redline | 3e2324a1984b7bbd91cd330f430920aac22d48750048e6573b707848bc72bffd

Analysis

max time kernel
153s
max time network
153s
platform
windows7_x64
resource
win7-en-20211104
submitted
07/12/2021, 04:37

Sharing

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Report Analysis Logs

General

Target
2c191cdfeca70a70d60b8ba2bfbc71fb.exe
Size 318KB
Sample211207-e8t5kafhfl
SHA256 3e2324a1984b7bbd91cd330f430920aac22d48750048e6573b707848bc72bffd
MD5 2c191cdfeca70a70d60b8ba2bfbc71fb
SHA1 b780cd3e534fbf10ace5948ee9bed0c85607fc60
SHA512 f520a9490714f6c73e655574288b62ea4fb028b6239bb280a76813d98220ceb27bbbc0d9fe1957c3a23b08ad3af9665a2359523f41e1cc4ae9db1e92191edd49
MD5 SHA1 SHA512

Score

10^/10

redline smokeloader backdoor discovery infostealer spyware stealer trojan

Malware Config

Extracted

Family

smokeloader

Version

2020

http://rcacademy.at/upload/
http://e-lanpengeonline.com/upload/
http://vjcmvz.cn/upload/
http://galala.ru/upload/
http://witra.ru/upload/

rc4.i32

Extracted

Family

redline

195.133.47.114:38627

Signatures

RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
infostealer redline

RedLine Payload 5 IoCs

resource	yara_rule
behavioral1/memory/1788-78-0x0000000000B70000-0x0000000000BDE000-memory.dmp	family_redline
behavioral1/files/0x000700000001220a-96.dat	family_redline
behavioral1/files/0x000700000001220a-95.dat	family_redline
behavioral1/memory/1960-109-0x00000000010A0000-0x0000000001110000-memory.dmp	family_redline
behavioral1/memory/1368-145-0x0000000000980000-0x00000000009F0000-memory.dmp	family_redline

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Downloads MZ/PE file

Executes dropped EXE 7 IoCs

pid	Process
1656	A4C7.exe
1572	SmartClock.exe
1788	B8F4.exe
1724	CCD3.exe
1960	DB26.exe
484	E5B2.exe
1368	EDDD.exe

Deletes itself 1 IoCs

pid	Process
1244	Process not Found

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\SmartClock.lnk	A4C7.exe

Loads dropped DLL 9 IoCs

pid	Process
1656	A4C7.exe
1656	A4C7.exe
1656	A4C7.exe
1244	Process not Found
1616	WerFault.exe
1616	WerFault.exe
1616	WerFault.exe
1616	WerFault.exe
1616	WerFault.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs

pid	Process
1788	B8F4.exe
1960	DB26.exe
1368	EDDD.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1616	484	WerFault.exe	34

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	2c191cdfeca70a70d60b8ba2bfbc71fb.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	2c191cdfeca70a70d60b8ba2bfbc71fb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	2c191cdfeca70a70d60b8ba2bfbc71fb.exe

Modifies Internet Explorer settings 1 TTPs 22 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-103686315-404690609-2047157615-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{319F5741-5718-11EC-8F58-CE5848A428EA} = "0"	iexplore.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1572	SmartClock.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1512	2c191cdfeca70a70d60b8ba2bfbc71fb.exe
1512	2c191cdfeca70a70d60b8ba2bfbc71fb.exe
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
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1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1244	Process not Found

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
1512	2c191cdfeca70a70d60b8ba2bfbc71fb.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	1616	WerFault.exe
Token: SeShutdownPrivilege	1244	Process not Found
Token: SeDebugPrivilege	1788	B8F4.exe
Token: SeDebugPrivilege	1724	CCD3.exe
Token: SeDebugPrivilege	1960	DB26.exe
Token: SeShutdownPrivilege	1244	Process not Found

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
1244	Process not Found
1244	Process not Found
1244	Process not Found
1244	Process not Found

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1472	iexplore.exe
1472	iexplore.exe

Suspicious use of WriteProcessMemory 47 IoCs

description	pid	Process	procid_target
PID 1244 wrote to memory of 1656	1244	Process not Found	28
PID 1244 wrote to memory of 1656	1244	Process not Found	28
PID 1244 wrote to memory of 1656	1244	Process not Found	28
PID 1244 wrote to memory of 1656	1244	Process not Found	28
PID 1656 wrote to memory of 1572	1656	A4C7.exe	29
PID 1656 wrote to memory of 1572	1656	A4C7.exe	29
PID 1656 wrote to memory of 1572	1656	A4C7.exe	29
PID 1656 wrote to memory of 1572	1656	A4C7.exe	29
PID 1244 wrote to memory of 1788	1244	Process not Found	30
PID 1244 wrote to memory of 1788	1244	Process not Found	30
PID 1244 wrote to memory of 1788	1244	Process not Found	30
PID 1244 wrote to memory of 1788	1244	Process not Found	30
PID 1244 wrote to memory of 1788	1244	Process not Found	30
PID 1244 wrote to memory of 1788	1244	Process not Found	30
PID 1244 wrote to memory of 1788	1244	Process not Found	30
PID 1244 wrote to memory of 1724	1244	Process not Found	31
PID 1244 wrote to memory of 1724	1244	Process not Found	31
PID 1244 wrote to memory of 1724	1244	Process not Found	31
PID 1244 wrote to memory of 1724	1244	Process not Found	31
PID 1244 wrote to memory of 1960	1244	Process not Found	32
PID 1244 wrote to memory of 1960	1244	Process not Found	32
PID 1244 wrote to memory of 1960	1244	Process not Found	32
PID 1244 wrote to memory of 1960	1244	Process not Found	32
PID 1244 wrote to memory of 1960	1244	Process not Found	32
PID 1244 wrote to memory of 1960	1244	Process not Found	32
PID 1244 wrote to memory of 1960	1244	Process not Found	32
PID 1244 wrote to memory of 484	1244	Process not Found	34
PID 1244 wrote to memory of 484	1244	Process not Found	34
PID 1244 wrote to memory of 484	1244	Process not Found	34
PID 484 wrote to memory of 1616	484	E5B2.exe	35
PID 484 wrote to memory of 1616	484	E5B2.exe	35
PID 484 wrote to memory of 1616	484	E5B2.exe	35
PID 1244 wrote to memory of 1368	1244	Process not Found	36
PID 1244 wrote to memory of 1368	1244	Process not Found	36
PID 1244 wrote to memory of 1368	1244	Process not Found	36
PID 1244 wrote to memory of 1368	1244	Process not Found	36
PID 1244 wrote to memory of 1368	1244	Process not Found	36
PID 1244 wrote to memory of 1368	1244	Process not Found	36
PID 1244 wrote to memory of 1368	1244	Process not Found	36
PID 1724 wrote to memory of 1472	1724	CCD3.exe	37
PID 1724 wrote to memory of 1472	1724	CCD3.exe	37
PID 1724 wrote to memory of 1472	1724	CCD3.exe	37
PID 1724 wrote to memory of 1472	1724	CCD3.exe	37
PID 1472 wrote to memory of 1952	1472	iexplore.exe	39
PID 1472 wrote to memory of 1952	1472	iexplore.exe	39
PID 1472 wrote to memory of 1952	1472	iexplore.exe	39
PID 1472 wrote to memory of 1952	1472	iexplore.exe	39

C:\Users\Admin\AppData\Local\Temp\2c191cdfeca70a70d60b8ba2bfbc71fb.exe
"C:\Users\Admin\AppData\Local\Temp\2c191cdfeca70a70d60b8ba2bfbc71fb.exe"
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1512

C:\Users\Admin\AppData\Local\Temp\A4C7.exe
C:\Users\Admin\AppData\Local\Temp\A4C7.exe
1⤵
- Executes dropped EXE
- Drops startup file
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1656
- C:\Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe
  "C:\Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: AddClipboardFormatListener
  PID:1572

C:\Users\Admin\AppData\Local\Temp\B8F4.exe
C:\Users\Admin\AppData\Local\Temp\B8F4.exe
1⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
PID:1788

C:\Users\Admin\AppData\Local\Temp\CCD3.exe
C:\Users\Admin\AppData\Local\Temp\CCD3.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1724
- C:\Program Files\Internet Explorer\iexplore.exe
  "C:\Program Files\Internet Explorer\iexplore.exe" https://lnnk.in/hHb3
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1472
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1472 CREDAT:275457 /prefetch:2
    3⤵
    PID:1952

C:\Users\Admin\AppData\Local\Temp\DB26.exe
C:\Users\Admin\AppData\Local\Temp\DB26.exe
1⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
PID:1960

C:\Users\Admin\AppData\Local\Temp\E5B2.exe
C:\Users\Admin\AppData\Local\Temp\E5B2.exe
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:484
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 484 -s 116
  2⤵
  - Loads dropped DLL
  - Program crash
  - Suspicious use of AdjustPrivilegeToken
  PID:1616

C:\Users\Admin\AppData\Local\Temp\EDDD.exe
C:\Users\Admin\AppData\Local\Temp\EDDD.exe
1⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
PID:1368

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Web Service

T1102

Credential Access

Credentials in Files

T1081

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1244-59-0x00000000021E0000-0x00000000021F6000-memory.dmp

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memory/1368-149-0x0000000076730000-0x0000000076777000-memory.dmp

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memory/1368-152-0x0000000075890000-0x00000000759EC000-memory.dmp

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memory/1368-156-0x0000000074AC0000-0x0000000074B40000-memory.dmp

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memory/1368-155-0x00000000757A0000-0x000000007582F000-memory.dmp

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memory/1368-153-0x0000000000980000-0x0000000000981000-memory.dmp

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memory/1368-144-0x0000000075560000-0x00000000755AA000-memory.dmp

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memory/1368-159-0x0000000075EF0000-0x0000000075F25000-memory.dmp

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memory/1368-160-0x00000000001D0000-0x0000000000215000-memory.dmp

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memory/1368-161-0x00000000006F0000-0x00000000006F1000-memory.dmp

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memory/1368-165-0x000000006EBD0000-0x000000006ED60000-memory.dmp

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memory/1368-158-0x00000000741D0000-0x00000000741E7000-memory.dmp

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memory/1368-145-0x0000000000980000-0x00000000009F0000-memory.dmp

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memory/1368-148-0x0000000076950000-0x00000000769FC000-memory.dmp

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memory/1368-150-0x0000000077820000-0x0000000077877000-memory.dmp

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memory/1368-157-0x0000000076A20000-0x000000007766A000-memory.dmp

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memory/1368-146-0x0000000000100000-0x0000000000101000-memory.dmp

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memory/1512-58-0x0000000000400000-0x00000000004D1000-memory.dmp

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memory/1512-57-0x0000000000020000-0x0000000000029000-memory.dmp

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memory/1512-55-0x00000000006C8000-0x00000000006D9000-memory.dmp

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memory/1512-56-0x0000000076A21000-0x0000000076A23000-memory.dmp

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memory/1572-91-0x0000000000718000-0x0000000000798000-memory.dmp

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memory/1572-99-0x0000000000400000-0x0000000000541000-memory.dmp

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memory/1616-139-0x0000000001E20000-0x0000000001E21000-memory.dmp

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memory/1616-130-0x000007FEFC3C1000-0x000007FEFC3C3000-memory.dmp

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memory/1656-71-0x0000000000400000-0x0000000000541000-memory.dmp

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memory/1656-70-0x00000000002E0000-0x0000000000371000-memory.dmp

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memory/1656-62-0x0000000000618000-0x0000000000698000-memory.dmp

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memory/1724-101-0x00000000048F0000-0x00000000048F1000-memory.dmp

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memory/1724-97-0x0000000000BF0000-0x0000000000BF1000-memory.dmp

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memory/1788-81-0x0000000076950000-0x00000000769FC000-memory.dmp

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memory/1788-86-0x0000000075890000-0x00000000759EC000-memory.dmp

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memory/1788-77-0x0000000075560000-0x00000000755AA000-memory.dmp

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memory/1788-78-0x0000000000B70000-0x0000000000BDE000-memory.dmp

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memory/1788-79-0x0000000000100000-0x0000000000101000-memory.dmp

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memory/1788-82-0x0000000000190000-0x00000000001D5000-memory.dmp

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memory/1788-83-0x0000000076730000-0x0000000076777000-memory.dmp

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memory/1788-84-0x0000000077820000-0x0000000077877000-memory.dmp

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memory/1788-133-0x000000006EBD0000-0x000000006ED60000-memory.dmp

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memory/1788-137-0x000000006DA30000-0x000000006DA47000-memory.dmp

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memory/1788-87-0x0000000000B70000-0x0000000000B71000-memory.dmp

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memory/1788-89-0x00000000757A0000-0x000000007582F000-memory.dmp

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memory/1788-100-0x0000000004CF0000-0x0000000004CF1000-memory.dmp

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memory/1788-93-0x0000000076A20000-0x000000007766A000-memory.dmp

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memory/1788-102-0x00000000741D0000-0x00000000741E7000-memory.dmp

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memory/1788-103-0x0000000075EF0000-0x0000000075F25000-memory.dmp

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memory/1960-125-0x0000000004A80000-0x0000000004A81000-memory.dmp

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memory/1960-120-0x0000000074AC0000-0x0000000074B40000-memory.dmp

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memory/1960-110-0x00000000002D0000-0x00000000002D1000-memory.dmp

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memory/1960-112-0x0000000076950000-0x00000000769FC000-memory.dmp

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memory/1960-113-0x0000000076730000-0x0000000076777000-memory.dmp

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memory/1960-114-0x0000000077820000-0x0000000077877000-memory.dmp

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memory/1960-116-0x0000000075890000-0x00000000759EC000-memory.dmp

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memory/1960-108-0x0000000075560000-0x00000000755AA000-memory.dmp

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memory/1960-109-0x00000000010A0000-0x0000000001110000-memory.dmp

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memory/1960-117-0x00000000010A0000-0x00000000010A1000-memory.dmp

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memory/1960-119-0x00000000757A0000-0x000000007582F000-memory.dmp

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memory/1960-121-0x0000000076A20000-0x000000007766A000-memory.dmp

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memory/1960-122-0x00000000741D0000-0x00000000741E7000-memory.dmp

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memory/1960-162-0x000000006EBD0000-0x000000006ED60000-memory.dmp

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memory/1960-163-0x000000006DA30000-0x000000006DA47000-memory.dmp

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memory/1960-123-0x0000000075EF0000-0x0000000075F25000-memory.dmp

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memory/1960-124-0x0000000000280000-0x00000000002C5000-memory.dmp

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