redline | b3267fe44359c95ead6f29f956e959b3ff40c52c855e96a1134fb4cb5b93b6c1

General

Target

b3267fe44359c95ead6f29f956e959b3ff40c52c855e96a1134fb4cb5b93b6c1.exe
Size

480KB
MD5

66cb17ce6aa2a4f53a4e729dfc916202
SHA1

0a1be21785697d367a44c0cb65f20ae2adbe2af9
SHA256

b3267fe44359c95ead6f29f956e959b3ff40c52c855e96a1134fb4cb5b93b6c1
SHA512

a4679bed7b55b0eb04fee4e7b17d2a5f2c9c4ed67d70bc0e0b75a00e4068f8f70401465205323a06e5da789a837773b457c7ed5db624dbbc9240c3aaad4c6d55
SSDEEP

12288:jMruy90VrmM4qb9fR4BJXMBqCBQw6+RbLoZS:hyGmmb92BJXQqlTiLOS

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/0x0009000000023bbb-12.dat	family_redline
behavioral1/memory/3640-15-0x0000000000A10000-0x0000000000A42000-memory.dmp	family_redline

Redline family
redline

Executes dropped EXE 2 IoCs

pid	Process
2512	nPg09.exe
3640	bWX74.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\\\""	b3267fe44359c95ead6f29f956e959b3ff40c52c855e96a1134fb4cb5b93b6c1.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\\\""	nPg09.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	b3267fe44359c95ead6f29f956e959b3ff40c52c855e96a1134fb4cb5b93b6c1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nPg09.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bWX74.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1040 wrote to memory of 2512	1040	b3267fe44359c95ead6f29f956e959b3ff40c52c855e96a1134fb4cb5b93b6c1.exe	84
PID 1040 wrote to memory of 2512	1040	b3267fe44359c95ead6f29f956e959b3ff40c52c855e96a1134fb4cb5b93b6c1.exe	84
PID 1040 wrote to memory of 2512	1040	b3267fe44359c95ead6f29f956e959b3ff40c52c855e96a1134fb4cb5b93b6c1.exe	84
PID 2512 wrote to memory of 3640	2512	nPg09.exe	85
PID 2512 wrote to memory of 3640	2512	nPg09.exe	85
PID 2512 wrote to memory of 3640	2512	nPg09.exe	85

C:\Users\Admin\AppData\Local\Temp\b3267fe44359c95ead6f29f956e959b3ff40c52c855e96a1134fb4cb5b93b6c1.exe
"C:\Users\Admin\AppData\Local\Temp\b3267fe44359c95ead6f29f956e959b3ff40c52c855e96a1134fb4cb5b93b6c1.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1040
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nPg09.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\nPg09.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2512
- - C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bWX74.exe
    C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bWX74.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\nPg09.exe

Filesize
202KB

MD5
73a28d9eef73f40359aad3ed862b155b

SHA1
b63a44d56a14876e1b62d46063dd0f521d898274

SHA256
495e028299d025af1d62a50a9c7553575dae4d94fd8bcb117ce3e416eee80031

SHA512
947a0fcb62dbe89b281c6d92f6c70be658a910272bc576574cbd927f3b45704bb5a62d3e3dcf4f73327afc81cc2d78996add6b3dda1aff0718521f9b56e4c3ba

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\bWX74.exe

Filesize
175KB

MD5
a5f5c5d6291c7ae9e1d1b7ed1e551490

SHA1
3d06413341893b838549939e15f8f1eec423d71a

SHA256
1a09ce1cb64219a5d88e57845dc9ba6631efa06fccc8867ccf94eb132947563e

SHA512
d9b3ba67bdd615ee2ce91a29cd9cf6723464be27bf45186fd0e9559ff2b0e7c51b423cfc3e32b5e90955046fb75a34c4a8528df7294b6c831ca254a65d2b8ba2

Download Submit
memory/3640-14-0x00000000745BE000-0x00000000745BF000-memory.dmp

Filesize
4KB

Download
memory/3640-15-0x0000000000A10000-0x0000000000A42000-memory.dmp

Filesize
200KB

Download
memory/3640-16-0x0000000005970000-0x0000000005F88000-memory.dmp

Filesize
6.1MB

Download
memory/3640-17-0x00000000054F0000-0x00000000055FA000-memory.dmp

Filesize
1.0MB

Download
memory/3640-18-0x0000000005420000-0x0000000005432000-memory.dmp

Filesize
72KB

Download
memory/3640-19-0x0000000005480000-0x00000000054BC000-memory.dmp

Filesize
240KB

Download
memory/3640-20-0x0000000005600000-0x000000000564C000-memory.dmp

Filesize
304KB

Download
memory/3640-21-0x00000000745BE000-0x00000000745BF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads