redline | fbd3897a8092f3e205a9d7e5f4a0249467f71cf601458efcd8108eb22addb124

General

Target

fbd3897a8092f3e205a9d7e5f4a0249467f71cf601458efcd8108eb22addb124.exe
Size

1.1MB
MD5

4c569653f3b88f3f72090155f9e54008
SHA1

0fb943114d5869e6e00d56b086757cd422c0d988
SHA256

fbd3897a8092f3e205a9d7e5f4a0249467f71cf601458efcd8108eb22addb124
SHA512

ea987579cb35064c7db664be120b41b118ad7c921e1adf38dea3d238fc9b426471664627a6cfde879fa73490d0a86658747992e8fe3b26063014e0d813582016
SSDEEP

24576:YymuTpHaul+IQgvln5XXc+8mVD8k9Z/5LKPwP0zj8RZQ2:fHTp+IjsaVDbpK60zA

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/0x0008000000023ca4-19.dat	family_redline
behavioral1/memory/4416-21-0x00000000007F0000-0x000000000081A000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 3 IoCs

pid	Process
1608	x1907643.exe
2936	x7209813.exe
4416	f2214282.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\\\""	fbd3897a8092f3e205a9d7e5f4a0249467f71cf601458efcd8108eb22addb124.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\\\""	x1907643.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\\\""	x7209813.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	fbd3897a8092f3e205a9d7e5f4a0249467f71cf601458efcd8108eb22addb124.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	x1907643.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	x7209813.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f2214282.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4292 wrote to memory of 1608	4292	fbd3897a8092f3e205a9d7e5f4a0249467f71cf601458efcd8108eb22addb124.exe	83
PID 4292 wrote to memory of 1608	4292	fbd3897a8092f3e205a9d7e5f4a0249467f71cf601458efcd8108eb22addb124.exe	83
PID 4292 wrote to memory of 1608	4292	fbd3897a8092f3e205a9d7e5f4a0249467f71cf601458efcd8108eb22addb124.exe	83
PID 1608 wrote to memory of 2936	1608	x1907643.exe	84
PID 1608 wrote to memory of 2936	1608	x1907643.exe	84
PID 1608 wrote to memory of 2936	1608	x1907643.exe	84
PID 2936 wrote to memory of 4416	2936	x7209813.exe	85
PID 2936 wrote to memory of 4416	2936	x7209813.exe	85
PID 2936 wrote to memory of 4416	2936	x7209813.exe	85

C:\Users\Admin\AppData\Local\Temp\fbd3897a8092f3e205a9d7e5f4a0249467f71cf601458efcd8108eb22addb124.exe
"C:\Users\Admin\AppData\Local\Temp\fbd3897a8092f3e205a9d7e5f4a0249467f71cf601458efcd8108eb22addb124.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4292
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x1907643.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x1907643.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1608
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x7209813.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x7209813.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2936
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\f2214282.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\f2214282.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:4416

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\x1907643.exe

Filesize
747KB

MD5
1ce76ae24b22a0d3e88b3f74497b84c3

SHA1
cf8591d38f8d494ad229b3d2e9472e0e5ef33ad5

SHA256
c22b16f0c991779f97d28939433f7ac91457d10a3cba4d866c0c760ff2c12b40

SHA512
6439b2ffbcff8a372b33268603c0d273165c8f3cb3864b28f99d82ab1712fd2f2e2c92baec4e58be6c28afac5f2ba5baf59970d5e504f44ada0e46569a19a005

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x7209813.exe

Filesize
304KB

MD5
35a4126a43b67f19688175ab9d8ec65c

SHA1
8cdff516eab6efc995586778acf4c88c19a17430

SHA256
b804204f581d48716a8dd2e3f1fda2a4bccf5b69aae5583f17b020bde09a9a05

SHA512
590bb49bad3c5bfb43157a07e2c888cbae06a48317409dad28b0c7a318f7a9906bf368a9a8564b9375c475c66d5256a049c403583517cbadfa89205f402c97d5

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\f2214282.exe

Filesize
145KB

MD5
a3923d8f506f545173851784a109987f

SHA1
d72eab4df5ecae87f2f783548e4ae90c8f909241

SHA256
2f8dc1bae2da117b6c69fdc52250a0fb942163aa2d3a5213efc2089bd568106c

SHA512
bd65218b10057f6ec03083f0495e0382039df833dc4497c4e363cda75965d23087f23f923e4c1d149139f3a5ccdaf25bb9033bbb2f62d9637a1e37201052fac0

Download Submit
memory/4416-21-0x00000000007F0000-0x000000000081A000-memory.dmp

Filesize
168KB

Download
memory/4416-22-0x0000000005790000-0x0000000005DA8000-memory.dmp

Filesize
6.1MB

Download
memory/4416-23-0x00000000052C0000-0x00000000053CA000-memory.dmp

Filesize
1.0MB

Download
memory/4416-24-0x00000000051F0000-0x0000000005202000-memory.dmp

Filesize
72KB

Download
memory/4416-25-0x0000000005250000-0x000000000528C000-memory.dmp

Filesize
240KB

Download
memory/4416-26-0x00000000053D0000-0x000000000541C000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads