redline | 3c3883533442009efd0c3dd708890c45e7538cc00e964ae0674a3087389c6082

General

Target

3c3883533442009efd0c3dd708890c45e7538cc00e964ae0674a3087389c6082.exe
Size

376KB
MD5

6e02fd05bbe0db74f83aeccbfe9e49e9
SHA1

76c1b4423f9bb38b9cc5cdb911abab3a7214871e
SHA256

3c3883533442009efd0c3dd708890c45e7538cc00e964ae0674a3087389c6082
SHA512

776514b8af35f6f36f6b09127d23bf9794703e123407ac8cab2887e1b94b45c880a363335dc8cba8af81bf4bc7d602f07e5ff659502508b1b8d840b3cd9d6ecf
SSDEEP

6144:KHy+bnr+6p0yN90QEsU6Iv1y+EsS2FYdKrVeAqdbTF1gL5amKT0Inljq:xMr6y90UILEs8KReAq1Fu4mDInljq

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/1476-153-0x0000000008300000-0x0000000008918000-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
Key created	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection	a9629893.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	a9629893.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	a9629893.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	a9629893.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	a9629893.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	a9629893.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
1292	v2523044.exe
1172	a9629893.exe
1476	b3642225.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"	a9629893.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	3c3883533442009efd0c3dd708890c45e7538cc00e964ae0674a3087389c6082.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\\\""	3c3883533442009efd0c3dd708890c45e7538cc00e964ae0674a3087389c6082.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	v2523044.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\\\""	v2523044.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1172	a9629893.exe
1172	a9629893.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1172	a9629893.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4044 wrote to memory of 1292	4044	3c3883533442009efd0c3dd708890c45e7538cc00e964ae0674a3087389c6082.exe	84
PID 4044 wrote to memory of 1292	4044	3c3883533442009efd0c3dd708890c45e7538cc00e964ae0674a3087389c6082.exe	84
PID 4044 wrote to memory of 1292	4044	3c3883533442009efd0c3dd708890c45e7538cc00e964ae0674a3087389c6082.exe	84
PID 1292 wrote to memory of 1172	1292	v2523044.exe	85
PID 1292 wrote to memory of 1172	1292	v2523044.exe	85
PID 1292 wrote to memory of 1476	1292	v2523044.exe	90
PID 1292 wrote to memory of 1476	1292	v2523044.exe	90
PID 1292 wrote to memory of 1476	1292	v2523044.exe	90

C:\Users\Admin\AppData\Local\Temp\3c3883533442009efd0c3dd708890c45e7538cc00e964ae0674a3087389c6082.exe
"C:\Users\Admin\AppData\Local\Temp\3c3883533442009efd0c3dd708890c45e7538cc00e964ae0674a3087389c6082.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4044
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v2523044.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v2523044.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:1292
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a9629893.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a9629893.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1172
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b3642225.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b3642225.exe
    3⤵
    - Executes dropped EXE
    PID:1476

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Disabling Security Tools

Modify Registry

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\v2523044.exe

Filesize
204KB

MD5
31f894990c8f0349b444c5b68d6e1db2

SHA1
e41bfb2067bc479ab3e43cc397ad0307c50010af

SHA256
8f277a2f5c0ffd6bb5b1664f37802bcf15829a23c4b95b0869b369298ce86b80

SHA512
eb31fe5b89aa8ece9cf387799a026cb6403801ec72a49d2196e8881f110d1f2c093752bb4cf57f585d092fcea5cbc65c986272eb6b3ecd72b2698928dc863213

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v2523044.exe

Filesize
204KB

MD5
31f894990c8f0349b444c5b68d6e1db2

SHA1
e41bfb2067bc479ab3e43cc397ad0307c50010af

SHA256
8f277a2f5c0ffd6bb5b1664f37802bcf15829a23c4b95b0869b369298ce86b80

SHA512
eb31fe5b89aa8ece9cf387799a026cb6403801ec72a49d2196e8881f110d1f2c093752bb4cf57f585d092fcea5cbc65c986272eb6b3ecd72b2698928dc863213

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a9629893.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a9629893.exe

Filesize
11KB

MD5
7e93bacbbc33e6652e147e7fe07572a0

SHA1
421a7167da01c8da4dc4d5234ca3dd84e319e762

SHA256
850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

SHA512
250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b3642225.exe

Filesize
136KB

MD5
30d0ee0947be55272def37f502e40d83

SHA1
67dec087565870ddbba362f33bc909491d56f0d7

SHA256
876c00366d8cdda682030628307cbcbd8a90ffc831cb0176173207b36bf28514

SHA512
0b98ba7648398642441894a970d889d0d4769317531473def2decb847bdb9472b0b3671f96126ad7ad023d4a434cbcef8da7c8663df718dcf6ee3557874ad284

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b3642225.exe

Filesize
136KB

MD5
30d0ee0947be55272def37f502e40d83

SHA1
67dec087565870ddbba362f33bc909491d56f0d7

SHA256
876c00366d8cdda682030628307cbcbd8a90ffc831cb0176173207b36bf28514

SHA512
0b98ba7648398642441894a970d889d0d4769317531473def2decb847bdb9472b0b3671f96126ad7ad023d4a434cbcef8da7c8663df718dcf6ee3557874ad284

Download Submit
memory/1172-147-0x00000000000D0000-0x00000000000DA000-memory.dmp

Filesize
40KB

Download
memory/1476-152-0x0000000000EF0000-0x0000000000F18000-memory.dmp

Filesize
160KB

Download
memory/1476-153-0x0000000008300000-0x0000000008918000-memory.dmp

Filesize
6.1MB

Download
memory/1476-154-0x0000000007D40000-0x0000000007D52000-memory.dmp

Filesize
72KB

Download
memory/1476-155-0x0000000007E70000-0x0000000007F7A000-memory.dmp

Filesize
1.0MB

Download
memory/1476-156-0x0000000007DA0000-0x0000000007DDC000-memory.dmp

Filesize
240KB

Download
memory/1476-157-0x0000000007E00000-0x0000000007E10000-memory.dmp

Filesize
64KB

Download
memory/1476-158-0x0000000007E00000-0x0000000007E10000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads