redline | 9b9fbe39d9cbbe1660b5ec01fb01a32e5913502def2fdec4162c22a3737a76cb

General

Target

9b9fbe39d9cbbe1660b5ec01fb01a32e5913502def2fdec4162c22a3737a76cb.exe
Size

1.1MB
MD5

dc93f4cedfa49f3595bf2d04433f955d
SHA1

25d5f1e932daf3cc31c436dcb68dc81e3482be78
SHA256

9b9fbe39d9cbbe1660b5ec01fb01a32e5913502def2fdec4162c22a3737a76cb
SHA512

c88a379d1a32c6ff53832b5c608d23177494d21208fb7b211f189c57d234c01734db772e9344bc7b8e684ce59fb19d7a9ac20e003c9f712780b4a3232d8b7fc9
SSDEEP

24576:TyGL2Xu2d+XnA1WBinl0WzjM4JD+jawsloaLmDI:mGL2Xn6A1WglHJDsVsl/LE

Score

10^/10

redline doma discovery infostealer persistence

Malware Config

Extracted

Family

redline

Botnet

doma

C2

185.161.248.75:4132

Attributes

auth_value
8be53af7f78567706928d0abef953ef4

Signatures

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/0x0008000000023c6d-19.dat	family_redline
behavioral1/memory/424-21-0x0000000000B20000-0x0000000000B4A000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 3 IoCs

pid	Process
3880	x4982544.exe
384	x3694168.exe
424	f9887556.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\\\""	9b9fbe39d9cbbe1660b5ec01fb01a32e5913502def2fdec4162c22a3737a76cb.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\\\""	x4982544.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\\\""	x3694168.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	9b9fbe39d9cbbe1660b5ec01fb01a32e5913502def2fdec4162c22a3737a76cb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	x4982544.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	x3694168.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f9887556.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 732 wrote to memory of 3880	732	9b9fbe39d9cbbe1660b5ec01fb01a32e5913502def2fdec4162c22a3737a76cb.exe	83
PID 732 wrote to memory of 3880	732	9b9fbe39d9cbbe1660b5ec01fb01a32e5913502def2fdec4162c22a3737a76cb.exe	83
PID 732 wrote to memory of 3880	732	9b9fbe39d9cbbe1660b5ec01fb01a32e5913502def2fdec4162c22a3737a76cb.exe	83
PID 3880 wrote to memory of 384	3880	x4982544.exe	84
PID 3880 wrote to memory of 384	3880	x4982544.exe	84
PID 3880 wrote to memory of 384	3880	x4982544.exe	84
PID 384 wrote to memory of 424	384	x3694168.exe	85
PID 384 wrote to memory of 424	384	x3694168.exe	85
PID 384 wrote to memory of 424	384	x3694168.exe	85

C:\Users\Admin\AppData\Local\Temp\9b9fbe39d9cbbe1660b5ec01fb01a32e5913502def2fdec4162c22a3737a76cb.exe
"C:\Users\Admin\AppData\Local\Temp\9b9fbe39d9cbbe1660b5ec01fb01a32e5913502def2fdec4162c22a3737a76cb.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:732
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x4982544.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x4982544.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3880
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x3694168.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x3694168.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:384
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\f9887556.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\f9887556.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:424

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

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

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\x4982544.exe

Filesize
748KB

MD5
3171ab48d0918527f0a7d553a6fd0f5e

SHA1
92c24c4f4bf85803a85cb4ebb224124460d0af3a

SHA256
865ee661daec7ec3ba94843fba98489324df50ada597dc25962760561fa809e3

SHA512
59bd9c2918e208e6d40c866ed4574461cfc7b450d8e97b118dc02eac9b1292e15d8920b2641d18b1bf067ade1230172c5e82f66bdae2cd13fa7150e36a4e7f67

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x3694168.exe

Filesize
304KB

MD5
daee09ee0db5ba25b8511e583ce46576

SHA1
cfdbcc809f57348b1479914bd83c25b16706cea8

SHA256
f98599c5b5d7e68c11e0005e704a625166abc76133f8fa3460ddde3af8979d44

SHA512
7e8f469a5e07cb8480ebde6295e89d5ac129725e215cbdadce11b0e92103663fda14097fb99bf1a09c95bc77018ac35529f3e8f099f2877478f804406e9322a6

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\f9887556.exe

Filesize
145KB

MD5
b608631cf36b66745a8d4c1208222ba7

SHA1
9100768fac7996f1befd8e096a502256f03f0cc7

SHA256
364861aa088dd8143d4e485e3e8cfe0fcdb14832290d39a2ba7edede522ff9f3

SHA512
0459faca91eb492575c30bb3c0b995c05d9f70342d835442da906888cead07dca7900426fc1091edb0c377dc8cf3415caf2febd5279901247c504de254614c7f

Download Submit
memory/424-21-0x0000000000B20000-0x0000000000B4A000-memory.dmp

Filesize
168KB

Download
memory/424-22-0x0000000005930000-0x0000000005F48000-memory.dmp

Filesize
6.1MB

Download
memory/424-23-0x00000000054B0000-0x00000000055BA000-memory.dmp

Filesize
1.0MB

Download
memory/424-24-0x00000000053E0000-0x00000000053F2000-memory.dmp

Filesize
72KB

Download
memory/424-25-0x0000000005440000-0x000000000547C000-memory.dmp

Filesize
240KB

Download
memory/424-26-0x00000000055C0000-0x000000000560C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads