redline | a8b65a49ad17d770535d8da19df62ffe8b4215b8dd41ef324d37122f3dc85bc3

General

Target

a8b65a49ad17d770535d8da19df62ffe8b4215b8dd41ef324d37122f3dc85bc3.exe
Size

479KB
MD5

09f057852c8747624931134e6bef92b6
SHA1

646d228a368105af06a68384d89022f9af3bfbb3
SHA256

a8b65a49ad17d770535d8da19df62ffe8b4215b8dd41ef324d37122f3dc85bc3
SHA512

ffcade3080b009f2d097ad7ea7660e4cb956d39f9fd153dabe55ffb52e1270a6a6c817662827114a8aaf1c8072b9ebc0cabbf353e8aba637babac2a5787f5355
SSDEEP

6144:KRy+bnr+0p0yN90QEtlXO3/CUJlEY5zbPsTmJTZeh1WhzHiuJs86UMUCJYgnY1l:3Mroy90tOvCUJb5zIgTI1qJIUMhyoYT

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/4412-190-0x0000000007390000-0x00000000079A8000-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\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	a8891627.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	a8891627.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	a8891627.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	a8891627.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	a8891627.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	a8891627.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
3252	v4847277.exe
2232	a8891627.exe
4412	b3556916.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	a8891627.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	a8891627.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	a8b65a49ad17d770535d8da19df62ffe8b4215b8dd41ef324d37122f3dc85bc3.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\\\""	a8b65a49ad17d770535d8da19df62ffe8b4215b8dd41ef324d37122f3dc85bc3.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	v4847277.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\\\""	v4847277.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2232	a8891627.exe
2232	a8891627.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2232	a8891627.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 540 wrote to memory of 3252	540	a8b65a49ad17d770535d8da19df62ffe8b4215b8dd41ef324d37122f3dc85bc3.exe	83
PID 540 wrote to memory of 3252	540	a8b65a49ad17d770535d8da19df62ffe8b4215b8dd41ef324d37122f3dc85bc3.exe	83
PID 540 wrote to memory of 3252	540	a8b65a49ad17d770535d8da19df62ffe8b4215b8dd41ef324d37122f3dc85bc3.exe	83
PID 3252 wrote to memory of 2232	3252	v4847277.exe	84
PID 3252 wrote to memory of 2232	3252	v4847277.exe	84
PID 3252 wrote to memory of 2232	3252	v4847277.exe	84
PID 3252 wrote to memory of 4412	3252	v4847277.exe	89
PID 3252 wrote to memory of 4412	3252	v4847277.exe	89
PID 3252 wrote to memory of 4412	3252	v4847277.exe	89

C:\Users\Admin\AppData\Local\Temp\a8b65a49ad17d770535d8da19df62ffe8b4215b8dd41ef324d37122f3dc85bc3.exe
"C:\Users\Admin\AppData\Local\Temp\a8b65a49ad17d770535d8da19df62ffe8b4215b8dd41ef324d37122f3dc85bc3.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:540
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v4847277.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v4847277.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of WriteProcessMemory
  PID:3252
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a8891627.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a8891627.exe
    3⤵
    - Modifies Windows Defender Real-time Protection settings
    - Executes dropped EXE
    - Windows security modification
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2232
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b3556916.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b3556916.exe
    3⤵
    - Executes dropped EXE
    PID:4412

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\v4847277.exe

Filesize
308KB

MD5
fb4efd4787f0da6f534a06ff16474592

SHA1
751cbd06fe6b9eb649b6ce1c4363832474476310

SHA256
9206a935e1c45ab26e10c913223f24c787af500b65619a84b8cacd4402241f3e

SHA512
dd67e28e7800378dc1e385ee1a8cd96067cdf8bbd5a325beb95e644ef036518be6fdd1445d5e4da8c9be8083dd6199244a79ce2f6c51f0d4ab28612a77d435ae

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v4847277.exe

Filesize
308KB

MD5
fb4efd4787f0da6f534a06ff16474592

SHA1
751cbd06fe6b9eb649b6ce1c4363832474476310

SHA256
9206a935e1c45ab26e10c913223f24c787af500b65619a84b8cacd4402241f3e

SHA512
dd67e28e7800378dc1e385ee1a8cd96067cdf8bbd5a325beb95e644ef036518be6fdd1445d5e4da8c9be8083dd6199244a79ce2f6c51f0d4ab28612a77d435ae

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a8891627.exe

Filesize
175KB

MD5
6a0abad6192cd4b27fcdc7f8489cf8c3

SHA1
3ddca548476cd46dd65f4a04bc4ff7fb7c79387c

SHA256
9be13efbe0233cf22b41e884304cc1573a253805c9e4f0ed07aca35655c6432b

SHA512
b8bd5fae9e23edbcd1d8c6b226ff4432af84ee65bc1f5b7279f7de40fb1679ec5c767b41e4f55eed2fe37d77a366e8bb077a94bcfd21c78463f640e4072d49c7

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\a8891627.exe

Filesize
175KB

MD5
6a0abad6192cd4b27fcdc7f8489cf8c3

SHA1
3ddca548476cd46dd65f4a04bc4ff7fb7c79387c

SHA256
9be13efbe0233cf22b41e884304cc1573a253805c9e4f0ed07aca35655c6432b

SHA512
b8bd5fae9e23edbcd1d8c6b226ff4432af84ee65bc1f5b7279f7de40fb1679ec5c767b41e4f55eed2fe37d77a366e8bb077a94bcfd21c78463f640e4072d49c7

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b3556916.exe

Filesize
136KB

MD5
e79498960ca98c198c485f69d117dc34

SHA1
24c8d310fe4e1d20cd7b30c8d5ba66a9c6875c8e

SHA256
fe226827a05fa12baaea68f4269120cffbbbcfb6e322b1fb2f7c9ac80064fdb2

SHA512
edfecba522d55486bbb43cc6526aa75ad1363b9ad641ca6b49f9599893f30b16204c3a394654ade9387062195f4fdbf3916222953540e7c4d27e2395a8726e4f

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\b3556916.exe

Filesize
136KB

MD5
e79498960ca98c198c485f69d117dc34

SHA1
24c8d310fe4e1d20cd7b30c8d5ba66a9c6875c8e

SHA256
fe226827a05fa12baaea68f4269120cffbbbcfb6e322b1fb2f7c9ac80064fdb2

SHA512
edfecba522d55486bbb43cc6526aa75ad1363b9ad641ca6b49f9599893f30b16204c3a394654ade9387062195f4fdbf3916222953540e7c4d27e2395a8726e4f

Download Submit
memory/2232-169-0x0000000002510000-0x0000000002522000-memory.dmp

Filesize
72KB

Download
memory/2232-179-0x0000000002510000-0x0000000002522000-memory.dmp

Filesize
72KB

Download
memory/2232-154-0x0000000002510000-0x0000000002522000-memory.dmp

Filesize
72KB

Download
memory/2232-155-0x0000000002510000-0x0000000002522000-memory.dmp

Filesize
72KB

Download
memory/2232-157-0x0000000002510000-0x0000000002522000-memory.dmp

Filesize
72KB

Download
memory/2232-159-0x0000000002510000-0x0000000002522000-memory.dmp

Filesize
72KB

Download
memory/2232-161-0x0000000002510000-0x0000000002522000-memory.dmp

Filesize
72KB

Download
memory/2232-163-0x0000000002510000-0x0000000002522000-memory.dmp

Filesize
72KB

Download
memory/2232-165-0x0000000002510000-0x0000000002522000-memory.dmp

Filesize
72KB

Download
memory/2232-167-0x0000000002510000-0x0000000002522000-memory.dmp

Filesize
72KB

Download
memory/2232-152-0x0000000000640000-0x0000000000650000-memory.dmp

Filesize
64KB

Download
memory/2232-171-0x0000000002510000-0x0000000002522000-memory.dmp

Filesize
72KB

Download
memory/2232-173-0x0000000002510000-0x0000000002522000-memory.dmp

Filesize
72KB

Download
memory/2232-175-0x0000000002510000-0x0000000002522000-memory.dmp

Filesize
72KB

Download
memory/2232-177-0x0000000002510000-0x0000000002522000-memory.dmp

Filesize
72KB

Download
memory/2232-153-0x0000000000640000-0x0000000000650000-memory.dmp

Filesize
64KB

Download
memory/2232-181-0x0000000002510000-0x0000000002522000-memory.dmp

Filesize
72KB

Download
memory/2232-182-0x0000000000640000-0x0000000000650000-memory.dmp

Filesize
64KB

Download
memory/2232-183-0x0000000000640000-0x0000000000650000-memory.dmp

Filesize
64KB

Download
memory/2232-184-0x0000000000640000-0x0000000000650000-memory.dmp

Filesize
64KB

Download
memory/2232-151-0x0000000000640000-0x0000000000650000-memory.dmp

Filesize
64KB

Download
memory/2232-150-0x00000000049D0000-0x0000000004F74000-memory.dmp

Filesize
5.6MB

Download
memory/4412-189-0x00000000000D0000-0x00000000000F8000-memory.dmp

Filesize
160KB

Download
memory/4412-190-0x0000000007390000-0x00000000079A8000-memory.dmp

Filesize
6.1MB

Download
memory/4412-191-0x0000000006DE0000-0x0000000006DF2000-memory.dmp

Filesize
72KB

Download
memory/4412-192-0x0000000006F10000-0x000000000701A000-memory.dmp

Filesize
1.0MB

Download
memory/4412-193-0x0000000006E40000-0x0000000006E7C000-memory.dmp

Filesize
240KB

Download
memory/4412-194-0x00000000071F0000-0x0000000007200000-memory.dmp

Filesize
64KB

Download
memory/4412-195-0x00000000071F0000-0x0000000007200000-memory.dmp

Filesize
64KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads