redline | 5fc6ca1cf97e1b777cd1e3ee9f32fb41d22bba80bc52c6f03c01eb0004ec4d73

General

Target

5fc6ca1cf97e1b777cd1e3ee9f32fb41d22bba80bc52c6f03c01eb0004ec4d73.exe
Size

873KB
MD5

082c7c942c1f3643dac175b9ff966984
SHA1

a8dc1675219ade3f81632fc157d9d4c2c55d3190
SHA256

5fc6ca1cf97e1b777cd1e3ee9f32fb41d22bba80bc52c6f03c01eb0004ec4d73
SHA512

93f932d4e102897df36e180ce30ce717184351e69b3fa5639a6870ca4c7df7fde1943f95de1ba1a4f010562614b607436f195e1201827c8f62845771c5d24283
SSDEEP

24576:5yBgGooUeTk2Ysi9aAvCAIo17eG29Alri:smG5UeAsh8IoVeGOY

Score

10^/10

redline mixer discovery evasion infostealer persistence trojan

Malware Config

Extracted

Family

redline

Botnet

mixer

C2

185.161.248.75:4132

Attributes

auth_value
3668eba4f0cb1021a9e9ed55e76ed85e

Signatures

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

evasion trojan

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify Tools

T1562.001

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection	a8541407.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1"	a8541407.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1"	a8541407.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1"	a8541407.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	a8541407.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1"	a8541407.exe

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

RedLine payload 2 IoCs

resource	yara_rule
behavioral1/files/0x0007000000023c69-54.dat	family_redline
behavioral1/memory/2924-56-0x0000000000E70000-0x0000000000E9A000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 4 IoCs

pid	Process
2432	v3258603.exe
2988	v1613377.exe
1220	a8541407.exe
2924	b7026833.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	a8541407.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	a8541407.exe

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
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\\\""	5fc6ca1cf97e1b777cd1e3ee9f32fb41d22bba80bc52c6f03c01eb0004ec4d73.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\\\""	v3258603.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup2 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP002.TMP\\\""	v1613377.exe

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5fc6ca1cf97e1b777cd1e3ee9f32fb41d22bba80bc52c6f03c01eb0004ec4d73.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	v3258603.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	v1613377.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a8541407.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b7026833.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1220	a8541407.exe
1220	a8541407.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1220	a8541407.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2040 wrote to memory of 2432	2040	5fc6ca1cf97e1b777cd1e3ee9f32fb41d22bba80bc52c6f03c01eb0004ec4d73.exe	85
PID 2040 wrote to memory of 2432	2040	5fc6ca1cf97e1b777cd1e3ee9f32fb41d22bba80bc52c6f03c01eb0004ec4d73.exe	85
PID 2040 wrote to memory of 2432	2040	5fc6ca1cf97e1b777cd1e3ee9f32fb41d22bba80bc52c6f03c01eb0004ec4d73.exe	85
PID 2432 wrote to memory of 2988	2432	v3258603.exe	86
PID 2432 wrote to memory of 2988	2432	v3258603.exe	86
PID 2432 wrote to memory of 2988	2432	v3258603.exe	86
PID 2988 wrote to memory of 1220	2988	v1613377.exe	88
PID 2988 wrote to memory of 1220	2988	v1613377.exe	88
PID 2988 wrote to memory of 1220	2988	v1613377.exe	88
PID 2988 wrote to memory of 2924	2988	v1613377.exe	94
PID 2988 wrote to memory of 2924	2988	v1613377.exe	94
PID 2988 wrote to memory of 2924	2988	v1613377.exe	94

C:\Users\Admin\AppData\Local\Temp\5fc6ca1cf97e1b777cd1e3ee9f32fb41d22bba80bc52c6f03c01eb0004ec4d73.exe
"C:\Users\Admin\AppData\Local\Temp\5fc6ca1cf97e1b777cd1e3ee9f32fb41d22bba80bc52c6f03c01eb0004ec4d73.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2040
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v3258603.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v3258603.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2432
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v1613377.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v1613377.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2988
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\a8541407.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\a8541407.exe
      4⤵
      Modifies Windows Defender Real-time Protection settings
      Executes dropped EXE
      Windows security modification
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:1220
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\b7026833.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\b7026833.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:2924

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Impair Defenses

2

T1562

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v3258603.exe

Filesize
477KB

MD5
e8694197ef769e29a786f2dadcd09954

SHA1
ffb352b884ffcb57501343d429e5edc4dc2001f6

SHA256
7fb6e2550d7471d4b84a6eb4ba454be1116a43b5c251861093bfe035880c7bb2

SHA512
fcd6724de7f0607a073559d967944b8cf34e9e60b574077274e13696e1c59e1c1127dfb5ad82b7bab943fd686879b3993c71c67ccafd9235aa15da8329ecb547

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v1613377.exe

Filesize
306KB

MD5
25c0186a75d113ced2a4c25d30dd25df

SHA1
87ad6c553d7127df7d6deb17358413f0af9d5225

SHA256
ad828d172697850a4001f4200920bf6cd5d6c4a777e42958eb594da3a0bbd6fd

SHA512
ee80cb88121df035e9124ef10a941bcb7f4305290e77b73bfd3dd45a048f729d5385975d069028e4b0b7c74e852b5dd5567aeec32bf812ed968cb66107be107b

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\a8541407.exe

Filesize
184KB

MD5
d4c640fb500618ad6c9fc5fe7d3e784d

SHA1
850df0880e1685ce709b44afbbb365cab4f0fec4

SHA256
a511ae2083565f7f66afa9902f2d6aaa5bdf56c8a148609bfe949880a74ff44b

SHA512
a28a51e937a11c9d72f7450b86469609d972a1e65c176bf92a47922eaf9cf72d3a49f0d40702f6f22bfd3f2c9f9e36edfefecdd263e1d49f3546f44d4817cecd

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\b7026833.exe

Filesize
145KB

MD5
85a564c9c7ae51b8f0c7d9e8b556ede5

SHA1
2f76fd3d45c946f42569a5996945ef4422dc97ec

SHA256
e815557ba4bc8adfb265999369ca70bfd318aca10f6417c1d107965b347822fd

SHA512
8f11a3e79cee6ebf29080a95549d223252274e49e3cfc294071b4e7bce32da4843684cb308318a91f4e3eaecd01e72be7e9040d47a5fad1a3d33c7a87e1bc498

Download Submit
memory/1220-49-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

Filesize
88KB

Download
memory/1220-31-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

Filesize
88KB

Download
memory/1220-51-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

Filesize
88KB

Download
memory/1220-22-0x0000000004B80000-0x0000000005124000-memory.dmp

Filesize
5.6MB

Download
memory/1220-47-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

Filesize
88KB

Download
memory/1220-46-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

Filesize
88KB

Download
memory/1220-43-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

Filesize
88KB

Download
memory/1220-41-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

Filesize
88KB

Download
memory/1220-39-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

Filesize
88KB

Download
memory/1220-36-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

Filesize
88KB

Download
memory/1220-34-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

Filesize
88KB

Download
memory/1220-23-0x0000000004AD0000-0x0000000004AEC000-memory.dmp

Filesize
112KB

Download
memory/1220-29-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

Filesize
88KB

Download
memory/1220-27-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

Filesize
88KB

Download
memory/1220-25-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

Filesize
88KB

Download
memory/1220-24-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

Filesize
88KB

Download
memory/1220-37-0x0000000004AD0000-0x0000000004AE6000-memory.dmp

Filesize
88KB

Download
memory/1220-21-0x0000000002410000-0x000000000242E000-memory.dmp

Filesize
120KB

Download
memory/2924-56-0x0000000000E70000-0x0000000000E9A000-memory.dmp

Filesize
168KB

Download
memory/2924-57-0x0000000005DC0000-0x00000000063D8000-memory.dmp

Filesize
6.1MB

Download
memory/2924-58-0x0000000005930000-0x0000000005A3A000-memory.dmp

Filesize
1.0MB

Download
memory/2924-59-0x0000000005860000-0x0000000005872000-memory.dmp

Filesize
72KB

Download
memory/2924-60-0x00000000058E0000-0x000000000591C000-memory.dmp

Filesize
240KB

Download
memory/2924-61-0x0000000005880000-0x00000000058CC000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads