crimsonrat | 477147271a54e32ef184030393f17c30d68d4aeb8bd6202a225e354f1800b279

General

Target

477147271a54e32ef184030393f17c30d68d4aeb8bd6202a225e354f1800b279.exe
Size

220KB
MD5

3829791a486b0b9ccb80ffcb7177c19c
SHA1

63b775ca11d595d65b8dfa4215823e7cb98c55af
SHA256

477147271a54e32ef184030393f17c30d68d4aeb8bd6202a225e354f1800b279
SHA512

f1d6950caf18ae7b3f68c6cecded468a706a08ec6a33d6ea29d21f6d120badcb020ae89a3c0be2fadd64424cc931724dbda3b0bd0c4b23f161ab86bde57b4d66

Score

10^/10

crimsonrat rat

Malware Config

Signatures

CrimsonRAT Main Payload 2 IoCs

Processes:

resource	yara_rule
behavioral1/files/0x0008000000012307-58.dat	family_crimsonrat
behavioral1/files/0x0008000000012307-59.dat	family_crimsonrat

CrimsonRat
Crimson RAT is a malware linked to a Pakistani-linked threat actor.
rat crimsonrat

Executes dropped EXE 1 IoCs

Processes:

athvindaur.exe

pid	Process
1692	athvindaur.exe

Drops file in Program Files directory 2 IoCs

Processes:

477147271a54e32ef184030393f17c30d68d4aeb8bd6202a225e354f1800b279.exe

description	ioc	Process
File created	C:\PROGRA~3\Paints\athvindaur.exe	477147271a54e32ef184030393f17c30d68d4aeb8bd6202a225e354f1800b279.exe
File opened for modification	C:\PROGRA~3\Paints\athvindaur.exe	477147271a54e32ef184030393f17c30d68d4aeb8bd6202a225e354f1800b279.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

477147271a54e32ef184030393f17c30d68d4aeb8bd6202a225e354f1800b279.exe

pid	Process
700	477147271a54e32ef184030393f17c30d68d4aeb8bd6202a225e354f1800b279.exe
700	477147271a54e32ef184030393f17c30d68d4aeb8bd6202a225e354f1800b279.exe
700	477147271a54e32ef184030393f17c30d68d4aeb8bd6202a225e354f1800b279.exe
700	477147271a54e32ef184030393f17c30d68d4aeb8bd6202a225e354f1800b279.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

477147271a54e32ef184030393f17c30d68d4aeb8bd6202a225e354f1800b279.exe

description	pid	Process
Token: SeDebugPrivilege	700	477147271a54e32ef184030393f17c30d68d4aeb8bd6202a225e354f1800b279.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

477147271a54e32ef184030393f17c30d68d4aeb8bd6202a225e354f1800b279.exe

description	pid	Process	procid_target
PID 700 wrote to memory of 1692	700	477147271a54e32ef184030393f17c30d68d4aeb8bd6202a225e354f1800b279.exe	30
PID 700 wrote to memory of 1692	700	477147271a54e32ef184030393f17c30d68d4aeb8bd6202a225e354f1800b279.exe	30
PID 700 wrote to memory of 1692	700	477147271a54e32ef184030393f17c30d68d4aeb8bd6202a225e354f1800b279.exe	30

C:\Users\Admin\AppData\Local\Temp\477147271a54e32ef184030393f17c30d68d4aeb8bd6202a225e354f1800b279.exe
"C:\Users\Admin\AppData\Local\Temp\477147271a54e32ef184030393f17c30d68d4aeb8bd6202a225e354f1800b279.exe"
1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:700
- C:\ProgramData\Paints\athvindaur.exe
  "C:\ProgramData\Paints\athvindaur.exe"
  2⤵
  - Executes dropped EXE
  PID:1692

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\Paints\athvindaur.exe

Filesize
10.5MB

MD5
fdd625f11ae39b85d4c0f794e8570abe

SHA1
dc0fd09797ad2bed0111eb2c8d7f652acb0f875f

SHA256
e266a6d0f0b2284d8e100c6a61c7b46b4e5b78822ae37d74a3eb368b7405139f

SHA512
139debb3dfbd8c78434fd1af5b055cacc40da86bad2625f33b3e7a8e5165eb2be7a56a4f91591fff14d3b8db0139af512225d0a9851e869d3b11a1b06edcc48a

Download Submit
C:\ProgramData\Paints\athvindaur.exe

Filesize
10.5MB

MD5
fdd625f11ae39b85d4c0f794e8570abe

SHA1
dc0fd09797ad2bed0111eb2c8d7f652acb0f875f

SHA256
e266a6d0f0b2284d8e100c6a61c7b46b4e5b78822ae37d74a3eb368b7405139f

SHA512
139debb3dfbd8c78434fd1af5b055cacc40da86bad2625f33b3e7a8e5165eb2be7a56a4f91591fff14d3b8db0139af512225d0a9851e869d3b11a1b06edcc48a

Download Submit
memory/700-55-0x0000000000230000-0x0000000000232000-memory.dmp

Filesize
8KB

Download
memory/700-54-0x000007FEF2FC0000-0x000007FEF4056000-memory.dmp

Filesize
16.6MB

Download
memory/700-56-0x0000000000236000-0x0000000000255000-memory.dmp

Filesize
124KB

Download
memory/1692-57-0x0000000000000000-mapping.dmp

Download
memory/1692-60-0x000007FEF2FC0000-0x000007FEF4056000-memory.dmp

Filesize
16.6MB

Download
memory/1692-61-0x00000000029C0000-0x00000000029C2000-memory.dmp

Filesize
8KB

Download
memory/1692-62-0x00000000029C6000-0x00000000029E5000-memory.dmp

Filesize
124KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads