redline | 2c558f583ef12070ea83d6d7988c61bd3c8a60145013ba4b823cb30d8fe1e6c3

General

Target

2c558f583ef12070ea83d6d7988c61bd3c8a60145013ba4b823cb30d8fe1e6c3.exe
Size

476KB
MD5

552dc0022f8adf534460b34a01ed8c6f
SHA1

29f5f1cf735a2473058de493168ad5e2a446dd4a
SHA256

2c558f583ef12070ea83d6d7988c61bd3c8a60145013ba4b823cb30d8fe1e6c3
SHA512

5fe66b9f4818cdba0523b1831584e0c5cf4c7121431aeb1e14170dee2b7da697fb33374991bdf910e7966a002caaeb9ddd50858cd3bc059a2d9c23004517ea35
SSDEEP

12288:9MrIy90IHyVN5V0mlQ0z36tvg2RmV2Wm89:1ymVFC0L61gMXWL9

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/0x0008000000023cb3-12.dat	family_redline
behavioral1/memory/3640-15-0x00000000004F0000-0x0000000000522000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 2 IoCs

pid	Process
4424	nJW99.exe
3640	bSv47.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\\\""	2c558f583ef12070ea83d6d7988c61bd3c8a60145013ba4b823cb30d8fe1e6c3.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\\\""	nJW99.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	2c558f583ef12070ea83d6d7988c61bd3c8a60145013ba4b823cb30d8fe1e6c3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nJW99.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bSv47.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2760 wrote to memory of 4424	2760	2c558f583ef12070ea83d6d7988c61bd3c8a60145013ba4b823cb30d8fe1e6c3.exe	83
PID 2760 wrote to memory of 4424	2760	2c558f583ef12070ea83d6d7988c61bd3c8a60145013ba4b823cb30d8fe1e6c3.exe	83
PID 2760 wrote to memory of 4424	2760	2c558f583ef12070ea83d6d7988c61bd3c8a60145013ba4b823cb30d8fe1e6c3.exe	83
PID 4424 wrote to memory of 3640	4424	nJW99.exe	84
PID 4424 wrote to memory of 3640	4424	nJW99.exe	84
PID 4424 wrote to memory of 3640	4424	nJW99.exe	84

C:\Users\Admin\AppData\Local\Temp\2c558f583ef12070ea83d6d7988c61bd3c8a60145013ba4b823cb30d8fe1e6c3.exe
"C:\Users\Admin\AppData\Local\Temp\2c558f583ef12070ea83d6d7988c61bd3c8a60145013ba4b823cb30d8fe1e6c3.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2760
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nJW99.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nJW99.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4424
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bSv47.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bSv47.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3640

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\nJW99.exe

Filesize
202KB

MD5
2bf88c73165dabcc344513bd9ee97ee2

SHA1
11ffd144a0ebf9cc3ef4ea283613776cb0f3da86

SHA256
dcdff4a1bf231ee65cf7690a52ba7d660c35e54a48c7e810c07af23c94f3bd64

SHA512
6d5e0648684c0676c2a260b66e765dd1dd093f0da191be0da98157588494df52ea35ee11c0151f5f55491c283c0d692f079dce3c7e5244e34e95a6d01dd60820

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bSv47.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
memory/3640-14-0x000000007416E000-0x000000007416F000-memory.dmp

Filesize
4KB

Download
memory/3640-15-0x00000000004F0000-0x0000000000522000-memory.dmp

Filesize
200KB

Download
memory/3640-16-0x00000000054B0000-0x0000000005AC8000-memory.dmp

Filesize
6.1MB

Download
memory/3640-17-0x0000000004FD0000-0x00000000050DA000-memory.dmp

Filesize
1.0MB

Download
memory/3640-18-0x0000000004F00000-0x0000000004F12000-memory.dmp

Filesize
72KB

Download
memory/3640-19-0x0000000004F80000-0x0000000004FBC000-memory.dmp

Filesize
240KB

Download
memory/3640-20-0x00000000050E0000-0x000000000512C000-memory.dmp

Filesize
304KB

Download
memory/3640-21-0x000000007416E000-0x000000007416F000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads