redline | a6f79eb0e148f13c05eaf9d673534559118ff03286cb5b7b0ab9f4bb538be1f7

General

Target

a6f79eb0e148f13c05eaf9d673534559118ff03286cb5b7b0ab9f4bb538be1f7.exe
Size

714KB
MD5

e0dc655fb225f7e0734cf4224f892441
SHA1

f9e35cf316ed1dce67f9d8e0cdcf9af4a0f584ff
SHA256

a6f79eb0e148f13c05eaf9d673534559118ff03286cb5b7b0ab9f4bb538be1f7
SHA512

56d8b35060717a70f36fccda8be4d64269ee8efa2b584f4aeb98c22247e92f57740d3091d23622d6eac6463392efd27240de22eb52265e14d07483b6c7bbcbcf
SSDEEP

12288:FMrsy90OQPCHZTruOGXEZS1F9nHNJMD5eE556D8KudzHwToMfUna3E23602:RyxQP8ZTGXEZ4FxED4E5E9udTwTocp36

Score

10^/10

redline fukia discovery infostealer persistence

Malware Config

Extracted

Family

redline

Botnet

fukia

C2

193.233.20.13:4136

Attributes

auth_value
e5783636fbd9e4f0cf9a017bce02e67e

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/0x0009000000023c35-19.dat	family_redline
behavioral1/memory/2468-21-0x0000000000890000-0x00000000008C2000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 3 IoCs

pid	Process
2428	szd37MO.exe
3792	soZ63uN.exe
2468	kpl09JP.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_cleanup2 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP002.TMP\\\""	soZ63uN.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\\\""	a6f79eb0e148f13c05eaf9d673534559118ff03286cb5b7b0ab9f4bb538be1f7.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\\\""	szd37MO.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	a6f79eb0e148f13c05eaf9d673534559118ff03286cb5b7b0ab9f4bb538be1f7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	szd37MO.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	soZ63uN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	kpl09JP.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3264 wrote to memory of 2428	3264	a6f79eb0e148f13c05eaf9d673534559118ff03286cb5b7b0ab9f4bb538be1f7.exe	83
PID 3264 wrote to memory of 2428	3264	a6f79eb0e148f13c05eaf9d673534559118ff03286cb5b7b0ab9f4bb538be1f7.exe	83
PID 3264 wrote to memory of 2428	3264	a6f79eb0e148f13c05eaf9d673534559118ff03286cb5b7b0ab9f4bb538be1f7.exe	83
PID 2428 wrote to memory of 3792	2428	szd37MO.exe	84
PID 2428 wrote to memory of 3792	2428	szd37MO.exe	84
PID 2428 wrote to memory of 3792	2428	szd37MO.exe	84
PID 3792 wrote to memory of 2468	3792	soZ63uN.exe	85
PID 3792 wrote to memory of 2468	3792	soZ63uN.exe	85
PID 3792 wrote to memory of 2468	3792	soZ63uN.exe	85

C:\Users\Admin\AppData\Local\Temp\a6f79eb0e148f13c05eaf9d673534559118ff03286cb5b7b0ab9f4bb538be1f7.exe
"C:\Users\Admin\AppData\Local\Temp\a6f79eb0e148f13c05eaf9d673534559118ff03286cb5b7b0ab9f4bb538be1f7.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3264
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\szd37MO.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\szd37MO.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2428
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\soZ63uN.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\soZ63uN.exe
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3792
  - - C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kpl09JP.exe
      C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kpl09JP.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      PID:2468

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\szd37MO.exe

Filesize
610KB

MD5
26e800b0febb59722cc345ae72b35200

SHA1
e9daef2205de851a02fe2b37948f88bff7cefb69

SHA256
9e7fb48fb1fd4c2b1d83290fc1eb4c9a4b502c972b09b683a804c93a8c92c1c0

SHA512
56c73bd350a16b7a7930c7634c2569912ec2d7eec126d6f97511cc34b604dff3a995a654da9208141fe14022b4e50eeab11e7f86b02c3e957db4b514cdfaa984

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\soZ63uN.exe

Filesize
286KB

MD5
d0f67ee69aa1bcdb779b0ac64043b7ed

SHA1
b39eac0ffcba4674384d12194042a32f79192400

SHA256
15e5eba5255fc21f3abd1d7a38f429dce4e31c4a80fbdb9e2bb35304a409725f

SHA512
564a4c3ad90b8bf236ade2fed1f3a163a350ea273d810d6b82535713043dbb297c6ad334f6588a49303abe32c901271bba42a9a86b9357c0f4d31b07894dc66e

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\kpl09JP.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
memory/2468-21-0x0000000000890000-0x00000000008C2000-memory.dmp

Filesize
200KB

Download
memory/2468-22-0x00000000057F0000-0x0000000005E08000-memory.dmp

Filesize
6.1MB

Download
memory/2468-23-0x0000000005370000-0x000000000547A000-memory.dmp

Filesize
1.0MB

Download
memory/2468-24-0x00000000052A0000-0x00000000052B2000-memory.dmp

Filesize
72KB

Download
memory/2468-25-0x0000000005300000-0x000000000533C000-memory.dmp

Filesize
240KB

Download
memory/2468-26-0x0000000005480000-0x00000000054CC000-memory.dmp

Filesize
304KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads