redline | cfa8061d81b20ebde3ff08a95311c6a3ab311f8fd89963dd0f62b733077c83a9

Analysis

max time kernel
149s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
05/05/2023, 19:42

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General

Target

cfa8061d81b20ebde3ff08a95311c6a3ab311f8fd89963dd0f62b733077c83a9.exe
Size

611KB
MD5

057e3f9865bf1eb0151ab3a472b61a48
SHA1

59950e90ecd85dcf5aa389c0125cd16f33dc1b4b
SHA256

cfa8061d81b20ebde3ff08a95311c6a3ab311f8fd89963dd0f62b733077c83a9
SHA512

9389b2f4fc0a5706ed551ea13eaf7c34f8913768e744e0fb6bb1730ee1e11f91a74949cd89756126e5828c118d4a62de724170011049b8eb0bc8feccf5432701
SSDEEP

12288:my90epyVocMsESHsrT7wwpMrYwq2CxjweEVdRItIeYu3:myeVVMsES2MSMr5Ixj+YYC

Score

10^/10

redline evasion infostealer persistence stealer trojan

Malware Config

Signatures

Detects Redline Stealer samples 1 IoCs

This rule detects the presence of Redline Stealer samples based on their unique strings.

stealer

resource	yara_rule
behavioral2/memory/224-950-0x0000000007A30000-0x0000000008048000-memory.dmp	redline_stealer

Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs

evasion trojan

Modify Registry

T1112

Modify Existing Service

T1031

Disabling Security Tools

T1089

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	80052430.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	80052430.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	80052430.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	80052430.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	80052430.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	80052430.exe

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

Executes dropped EXE 3 IoCs

pid	Process
4876	st549918.exe
4608	80052430.exe
224	kp384980.exe

Windows security modification 2 TTPs 1 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0"	80052430.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	cfa8061d81b20ebde3ff08a95311c6a3ab311f8fd89963dd0f62b733077c83a9.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	cfa8061d81b20ebde3ff08a95311c6a3ab311f8fd89963dd0f62b733077c83a9.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	st549918.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\""	st549918.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4608	80052430.exe
4608	80052430.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4608	80052430.exe
Token: SeDebugPrivilege	224	kp384980.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2704 wrote to memory of 4876	2704	cfa8061d81b20ebde3ff08a95311c6a3ab311f8fd89963dd0f62b733077c83a9.exe	85
PID 2704 wrote to memory of 4876	2704	cfa8061d81b20ebde3ff08a95311c6a3ab311f8fd89963dd0f62b733077c83a9.exe	85
PID 2704 wrote to memory of 4876	2704	cfa8061d81b20ebde3ff08a95311c6a3ab311f8fd89963dd0f62b733077c83a9.exe	85
PID 4876 wrote to memory of 4608	4876	st549918.exe	86
PID 4876 wrote to memory of 4608	4876	st549918.exe	86
PID 4876 wrote to memory of 224	4876	st549918.exe	87
PID 4876 wrote to memory of 224	4876	st549918.exe	87
PID 4876 wrote to memory of 224	4876	st549918.exe	87

C:\Users\Admin\AppData\Local\Temp\cfa8061d81b20ebde3ff08a95311c6a3ab311f8fd89963dd0f62b733077c83a9.exe
"C:\Users\Admin\AppData\Local\Temp\cfa8061d81b20ebde3ff08a95311c6a3ab311f8fd89963dd0f62b733077c83a9.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2704
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\st549918.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\st549918.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:4876
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\80052430.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\80052430.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4608
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kp384980.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kp384980.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:224

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Disabling Security Tools

T1089

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\st549918.exe

Filesize
458KB

MD5
58ababac2f82391ef02059add343a1ce

SHA1
46495e90ff9900fc9343ee3fb1701b129b52daac

SHA256
343040c443fe3d7a9dbc37cb79a572102d5b0af20d7c1f65c0405ddea64dcc31

SHA512
501e21b1fa1e9928914db922c6df885f11b2201da7f1fcfeb7e1cadca400488b8f6cc6ccf06e4b85ec21e9bc51d17d250e367c2ae49055ece6c292717c5dc2c0

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\st549918.exe

Filesize
458KB

MD5
58ababac2f82391ef02059add343a1ce

SHA1
46495e90ff9900fc9343ee3fb1701b129b52daac

SHA256
343040c443fe3d7a9dbc37cb79a572102d5b0af20d7c1f65c0405ddea64dcc31

SHA512
501e21b1fa1e9928914db922c6df885f11b2201da7f1fcfeb7e1cadca400488b8f6cc6ccf06e4b85ec21e9bc51d17d250e367c2ae49055ece6c292717c5dc2c0

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\80052430.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\80052430.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kp384980.exe

Filesize
459KB

MD5
fe8706d7417954b9ebdedc6b6a9a8837

SHA1
76ecf8dd60a846ea81dde076f519d002bdfffbab

SHA256
25ceeedbf12292a4e27f21f9420021a3c4fefb2b15261471ac6010bd4f98e4f5

SHA512
f7a7537d5b22778b11f19ac825dd4698bfb6beb16359906a7f29b3887bfaf8f6375f151da97ea5dce75da53c02ebbd2f378cebc23a594d8431a8ada880cf1015

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\kp384980.exe

Filesize
459KB

MD5
fe8706d7417954b9ebdedc6b6a9a8837

SHA1
76ecf8dd60a846ea81dde076f519d002bdfffbab

SHA256
25ceeedbf12292a4e27f21f9420021a3c4fefb2b15261471ac6010bd4f98e4f5

SHA512
f7a7537d5b22778b11f19ac825dd4698bfb6beb16359906a7f29b3887bfaf8f6375f151da97ea5dce75da53c02ebbd2f378cebc23a594d8431a8ada880cf1015

Download Submit
memory/224-153-0x00000000008F0000-0x0000000000936000-memory.dmp

Filesize
280KB

Download
memory/224-154-0x00000000050F0000-0x0000000005100000-memory.dmp

Filesize
64KB

Download
memory/224-155-0x00000000050F0000-0x0000000005100000-memory.dmp

Filesize
64KB

Download
memory/224-156-0x0000000005100000-0x00000000056A4000-memory.dmp

Filesize
5.6MB

Download
memory/224-157-0x0000000002960000-0x0000000002995000-memory.dmp

Filesize
212KB

Download
memory/224-160-0x0000000002960000-0x0000000002995000-memory.dmp

Filesize
212KB

Download
memory/224-158-0x0000000002960000-0x0000000002995000-memory.dmp

Filesize
212KB

Download
memory/224-162-0x0000000002960000-0x0000000002995000-memory.dmp

Filesize
212KB

Download
memory/224-164-0x0000000002960000-0x0000000002995000-memory.dmp

Filesize
212KB

Download
memory/224-166-0x0000000002960000-0x0000000002995000-memory.dmp

Filesize
212KB

Download
memory/224-170-0x0000000002960000-0x0000000002995000-memory.dmp

Filesize
212KB

Download
memory/224-168-0x0000000002960000-0x0000000002995000-memory.dmp

Filesize
212KB

Download
memory/224-172-0x0000000002960000-0x0000000002995000-memory.dmp

Filesize
212KB

Download
memory/224-174-0x00000000050F0000-0x0000000005100000-memory.dmp

Filesize
64KB

Download
memory/224-175-0x0000000002960000-0x0000000002995000-memory.dmp

Filesize
212KB

Download
memory/224-177-0x0000000002960000-0x0000000002995000-memory.dmp

Filesize
212KB

Download
memory/224-179-0x0000000002960000-0x0000000002995000-memory.dmp

Filesize
212KB

Download
memory/224-181-0x0000000002960000-0x0000000002995000-memory.dmp

Filesize
212KB

Download
memory/224-183-0x0000000002960000-0x0000000002995000-memory.dmp

Filesize
212KB

Download
memory/224-185-0x0000000002960000-0x0000000002995000-memory.dmp

Filesize
212KB

Download
memory/224-189-0x0000000002960000-0x0000000002995000-memory.dmp

Filesize
212KB

Download
memory/224-187-0x0000000002960000-0x0000000002995000-memory.dmp

Filesize
212KB

Download
memory/224-191-0x0000000002960000-0x0000000002995000-memory.dmp

Filesize
212KB

Download
memory/224-193-0x0000000002960000-0x0000000002995000-memory.dmp

Filesize
212KB

Download
memory/224-195-0x0000000002960000-0x0000000002995000-memory.dmp

Filesize
212KB

Download
memory/224-197-0x0000000002960000-0x0000000002995000-memory.dmp

Filesize
212KB

Download
memory/224-199-0x0000000002960000-0x0000000002995000-memory.dmp

Filesize
212KB

Download
memory/224-201-0x0000000002960000-0x0000000002995000-memory.dmp

Filesize
212KB

Download
memory/224-203-0x0000000002960000-0x0000000002995000-memory.dmp

Filesize
212KB

Download
memory/224-205-0x0000000002960000-0x0000000002995000-memory.dmp

Filesize
212KB

Download
memory/224-207-0x0000000002960000-0x0000000002995000-memory.dmp

Filesize
212KB

Download
memory/224-211-0x0000000002960000-0x0000000002995000-memory.dmp

Filesize
212KB

Download
memory/224-209-0x0000000002960000-0x0000000002995000-memory.dmp

Filesize
212KB

Download
memory/224-213-0x0000000002960000-0x0000000002995000-memory.dmp

Filesize
212KB

Download
memory/224-215-0x0000000002960000-0x0000000002995000-memory.dmp

Filesize
212KB

Download
memory/224-217-0x0000000002960000-0x0000000002995000-memory.dmp

Filesize
212KB

Download
memory/224-219-0x0000000002960000-0x0000000002995000-memory.dmp

Filesize
212KB

Download
memory/224-221-0x0000000002960000-0x0000000002995000-memory.dmp

Filesize
212KB

Download
memory/224-950-0x0000000007A30000-0x0000000008048000-memory.dmp

Filesize
6.1MB

Download
memory/224-951-0x0000000005010000-0x0000000005022000-memory.dmp

Filesize
72KB

Download
memory/224-952-0x0000000008050000-0x000000000815A000-memory.dmp

Filesize
1.0MB

Download
memory/224-953-0x00000000050F0000-0x0000000005100000-memory.dmp

Filesize
64KB

Download
memory/224-954-0x0000000005040000-0x000000000507C000-memory.dmp

Filesize
240KB

Download
memory/224-956-0x00000000050F0000-0x0000000005100000-memory.dmp

Filesize
64KB

Download
memory/224-957-0x00000000050F0000-0x0000000005100000-memory.dmp

Filesize
64KB

Download
memory/224-958-0x00000000050F0000-0x0000000005100000-memory.dmp

Filesize
64KB

Download
memory/224-959-0x00000000050F0000-0x0000000005100000-memory.dmp

Filesize
64KB

Download
memory/4608-147-0x0000000000BB0000-0x0000000000BBA000-memory.dmp

Filesize
40KB

Download