redline | f12479fbc3f4dc601987efa1d1e9f636872fe5f463b12a99486aafe4698f52df

General

Target

f12479fbc3f4dc601987efa1d1e9f636872fe5f463b12a99486aafe4698f52df.exe
Size

469KB
MD5

ee1d12250bfc05c6b4ff35846717f7db
SHA1

51c7a28b4e583e3fec1337677c746992a42c4ed1
SHA256

f12479fbc3f4dc601987efa1d1e9f636872fe5f463b12a99486aafe4698f52df
SHA512

b64bedc241e6a067d572911e1db29ad9deb40600602550a5e8c2bc60ea82bf71e46b963af306bd02b0b502fef54eaa4c89eb7e2671358f62fa11b7190bf63ddc
SSDEEP

6144:KRy+bnr+rp0yN90QEl7bYWfSqwGrGTP4UC4Us6WhxMnAE/4LzwpAib2RtukPs7yW:/MrLy90jVLGj4UC4cAE/4Pwp/iPYySz

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/0x0008000000023c88-12.dat	family_redline
behavioral1/memory/2316-15-0x0000000000D00000-0x0000000000D32000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 2 IoCs

pid	Process
2024	nYP60.exe
2316	bII35.exe

Adds Run key to start application 2 TTPs 2 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\\\""	f12479fbc3f4dc601987efa1d1e9f636872fe5f463b12a99486aafe4698f52df.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\\\""	nYP60.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	f12479fbc3f4dc601987efa1d1e9f636872fe5f463b12a99486aafe4698f52df.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nYP60.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bII35.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3856 wrote to memory of 2024	3856	f12479fbc3f4dc601987efa1d1e9f636872fe5f463b12a99486aafe4698f52df.exe	83
PID 3856 wrote to memory of 2024	3856	f12479fbc3f4dc601987efa1d1e9f636872fe5f463b12a99486aafe4698f52df.exe	83
PID 3856 wrote to memory of 2024	3856	f12479fbc3f4dc601987efa1d1e9f636872fe5f463b12a99486aafe4698f52df.exe	83
PID 2024 wrote to memory of 2316	2024	nYP60.exe	84
PID 2024 wrote to memory of 2316	2024	nYP60.exe	84
PID 2024 wrote to memory of 2316	2024	nYP60.exe	84

C:\Users\Admin\AppData\Local\Temp\f12479fbc3f4dc601987efa1d1e9f636872fe5f463b12a99486aafe4698f52df.exe
"C:\Users\Admin\AppData\Local\Temp\f12479fbc3f4dc601987efa1d1e9f636872fe5f463b12a99486aafe4698f52df.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3856
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nYP60.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nYP60.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2024
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bII35.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bII35.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2316

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\nYP60.exe

Filesize
202KB

MD5
4f95cefcfb2fe472517ac816c1b61d7d

SHA1
0cf589488f20c35e5d8b76b99251c969fdba9e4a

SHA256
562ecc596c6ba385f701feb3dbbc701d5155f09a0d5602afa25c2aaa9664cbad

SHA512
e845f090d4c5375bfdd6ea87676fa346aaf2c7f661963216e43d5d0cc06caa19f0b707c9a762e7e7c1fe9a12ff4e874f91e84948a585343cdd46042dd22e5851

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bII35.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
memory/2316-14-0x000000007405E000-0x000000007405F000-memory.dmp

Filesize
4KB

Download
memory/2316-15-0x0000000000D00000-0x0000000000D32000-memory.dmp

Filesize
200KB

Download
memory/2316-16-0x0000000005B90000-0x00000000061A8000-memory.dmp

Filesize
6.1MB

Download
memory/2316-17-0x00000000056C0000-0x00000000057CA000-memory.dmp

Filesize
1.0MB

Download
memory/2316-18-0x00000000055D0000-0x00000000055E2000-memory.dmp

Filesize
72KB

Download
memory/2316-19-0x0000000005630000-0x000000000566C000-memory.dmp

Filesize
240KB

Download
memory/2316-20-0x0000000005670000-0x00000000056BC000-memory.dmp

Filesize
304KB

Download
memory/2316-21-0x000000007405E000-0x000000007405F000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads