redline | d8a12da66c3b95e1f2dc9c7e5667a5baf7dbdbbaff01f342222dc696c07455fa

Resubmissions

10-05-2021 10:26

210510-51q2zwvjce 10

Analysis

max time kernel
104s
max time network
138s
platform
windows7_x64
resource
win7v20210408
submitted
10-05-2021 10:26

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General

Target

22F9967C010BF3B752D56BCDEE846BF5.exe
Size

612KB
MD5

22f9967c010bf3b752d56bcdee846bf5
SHA1

688b82c1eb648ee5eea04042da253d77c706f945
SHA256

d8a12da66c3b95e1f2dc9c7e5667a5baf7dbdbbaff01f342222dc696c07455fa
SHA512

b4dfd895af0f98de30d6446e847e3451c8d8fa7a6571aaac7db3c0fd40febc982e52035af709db3bba68b0e19037ee71443863b25ed3d5dcc13bb0375d69c3c6

Score

10^/10

redline source1 evasion infostealer spyware trojan

Malware Config

Extracted

Family

redline

Botnet

source1

199.195.251.96:43073

Signatures

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

RedLine Payload 3 IoCs

resource	yara_rule
behavioral1/memory/1752-73-0x00000000004163CE-mapping.dmp	family_redline
behavioral1/memory/1752-72-0x0000000000400000-0x000000000041C000-memory.dmp	family_redline
behavioral1/memory/1752-74-0x0000000000400000-0x000000000041C000-memory.dmp	family_redline

Executes dropped EXE 1 IoCs

pid	Process
1996	File.exe

Loads dropped DLL 4 IoCs

pid	Process
1688	22F9967C010BF3B752D56BCDEE846BF5.exe
1688	22F9967C010BF3B752D56BCDEE846BF5.exe
1688	22F9967C010BF3B752D56BCDEE846BF5.exe
1688	22F9967C010BF3B752D56BCDEE846BF5.exe

Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	22F9967C010BF3B752D56BCDEE846BF5.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1996 set thread context of 1752	1996	File.exe	27

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 35 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "327414337"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{69D48731-B18A-11EB-83FC-FEBA24881352} = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000529101d5c9814b4eb0f580b37542e45000000000020000000000106600000001000020000000531109fe5160d43c64044a648a2697856cb79d3b2f73c6b533ae9d3986635a95000000000e80000000020000200000003723a0a085714c7d29d188ce3c99e0426aec1b82d68d2c6cb2f3718acfb15dd1200000007c2941a21f9a0a5d2a73edb26632b8224f7d31aea7f834379d8d5f5ec09cbdd440000000e1e493a6486dafed43dc84688eff43b0ffde7e12639b17a9fd7a2da93cc2def6234dad396124fa7e00d85b7f61be1f87b5503bebaae5ea631ba2651821b901a0	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\DomainSuggestion	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = f073da429745d701	iexplore.exe

NTFS ADS 3 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Local\Temp\RarSFX0\fdjf.url:favicon	IEXPLORE.EXE
File created	C:\Users\Admin\AppData\Local\Temp\wwwA853.tmp\:favicon:$DATA	IEXPLORE.EXE
File created	C:\Users\Admin\AppData\Local\Temp\RarSFX0\fdjf.url\:favicon:$DATA	IEXPLORE.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1752	AddInProcess32.exe
1752	AddInProcess32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1996	File.exe
Token: SeDebugPrivilege	1752	AddInProcess32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1392	iexplore.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1392	iexplore.exe
1392	iexplore.exe
1520	IEXPLORE.EXE
1520	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1688 wrote to memory of 1996	1688	22F9967C010BF3B752D56BCDEE846BF5.exe	26
PID 1688 wrote to memory of 1996	1688	22F9967C010BF3B752D56BCDEE846BF5.exe	26
PID 1688 wrote to memory of 1996	1688	22F9967C010BF3B752D56BCDEE846BF5.exe	26
PID 1688 wrote to memory of 1996	1688	22F9967C010BF3B752D56BCDEE846BF5.exe	26
PID 1996 wrote to memory of 1752	1996	File.exe	27
PID 1996 wrote to memory of 1752	1996	File.exe	27
PID 1996 wrote to memory of 1752	1996	File.exe	27
PID 1996 wrote to memory of 1752	1996	File.exe	27
PID 1996 wrote to memory of 1752	1996	File.exe	27
PID 1996 wrote to memory of 1752	1996	File.exe	27
PID 1996 wrote to memory of 1752	1996	File.exe	27
PID 1996 wrote to memory of 1752	1996	File.exe	27
PID 1996 wrote to memory of 1752	1996	File.exe	27
PID 1392 wrote to memory of 1520	1392	iexplore.exe	30
PID 1392 wrote to memory of 1520	1392	iexplore.exe	30
PID 1392 wrote to memory of 1520	1392	iexplore.exe	30
PID 1392 wrote to memory of 1520	1392	iexplore.exe	30

C:\Users\Admin\AppData\Local\Temp\22F9967C010BF3B752D56BCDEE846BF5.exe
"C:\Users\Admin\AppData\Local\Temp\22F9967C010BF3B752D56BCDEE846BF5.exe"
1⤵
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious use of WriteProcessMemory
PID:1688
- C:\Users\Admin\AppData\Local\Temp\RarSFX0\File.exe
  "C:\Users\Admin\AppData\Local\Temp\RarSFX0\File.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1996
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
    C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1752

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1392
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1392 CREDAT:275457 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - NTFS ADS
  - Suspicious use of SetWindowsHookEx
  PID:1520

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

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/1392-77-0x000007FEFC2E1000-0x000007FEFC2E3000-memory.dmp

Filesize
8KB

Download
memory/1688-59-0x0000000075B31000-0x0000000075B33000-memory.dmp

Filesize
8KB

Download
memory/1752-76-0x0000000000A80000-0x0000000000A81000-memory.dmp

Filesize
4KB

Download
memory/1752-74-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1752-72-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1996-71-0x0000000000BD0000-0x0000000000BE6000-memory.dmp

Filesize
88KB

Download
memory/1996-70-0x0000000000740000-0x000000000077B000-memory.dmp

Filesize
236KB

Download
memory/1996-69-0x0000000000350000-0x0000000000351000-memory.dmp

Filesize
4KB

Download
memory/1996-67-0x00000000011E0000-0x00000000011E1000-memory.dmp

Filesize
4KB

Download