bitrat | 8981df04c1b64c842953da435f3c026b3d2587817c08349d04c6021575f4b3c1

Analysis

max time kernel
145s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
20-12-2023 17:14

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General

Target

f3f766676d376e612866849cd7379c3d.exe
Size

4.3MB
MD5

f3f766676d376e612866849cd7379c3d
SHA1

a8d82e59f764ba99fd85fc34db8fe0797ad80794
SHA256

8981df04c1b64c842953da435f3c026b3d2587817c08349d04c6021575f4b3c1
SHA512

a5f926080ada8246476bade3d3b1b3e2a5ab0387766d4c56bcf7b5c3c503d83c31cf599a2b96777aa21c0eb311d0d8008c2d2c33d9bc9c6c9d7526d777bd85b9
SSDEEP

98304:3btAs3T/nMYpnnMhpkz04/zTpnhv34txJfpkJnZ/6QXEv:7rGM4yJhQDJ+516eEv

Score

10^/10

bitrat trojan

Malware Config

Extracted

Family

bitrat

Version

1.38

173.44.50.140:4550

Attributes

communication_password
9996535e07258a7bbfd8b132435c5962
tor_process
tor

Signatures

BitRAT
BitRAT is a remote access tool written in C++ and uses leaked source code from other families.
trojan bitrat

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4456 set thread context of 3688	4456	f3f766676d376e612866849cd7379c3d.exe	40

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4284	4456	WerFault.exe	15
3188	3688	WerFault.exe	40

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4456	f3f766676d376e612866849cd7379c3d.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4456 wrote to memory of 3688	4456	f3f766676d376e612866849cd7379c3d.exe	40
PID 4456 wrote to memory of 3688	4456	f3f766676d376e612866849cd7379c3d.exe	40
PID 4456 wrote to memory of 3688	4456	f3f766676d376e612866849cd7379c3d.exe	40
PID 4456 wrote to memory of 3688	4456	f3f766676d376e612866849cd7379c3d.exe	40
PID 4456 wrote to memory of 3688	4456	f3f766676d376e612866849cd7379c3d.exe	40
PID 4456 wrote to memory of 3688	4456	f3f766676d376e612866849cd7379c3d.exe	40
PID 4456 wrote to memory of 3688	4456	f3f766676d376e612866849cd7379c3d.exe	40
PID 4456 wrote to memory of 3688	4456	f3f766676d376e612866849cd7379c3d.exe	40
PID 4456 wrote to memory of 3688	4456	f3f766676d376e612866849cd7379c3d.exe	40
PID 4456 wrote to memory of 3688	4456	f3f766676d376e612866849cd7379c3d.exe	40
PID 4456 wrote to memory of 3688	4456	f3f766676d376e612866849cd7379c3d.exe	40

C:\Users\Admin\AppData\Local\Temp\f3f766676d376e612866849cd7379c3d.exe
"C:\Users\Admin\AppData\Local\Temp\f3f766676d376e612866849cd7379c3d.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4456
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:3688
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3688 -s 540
    3⤵
    - Program crash
    PID:3188
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4456 -s 1160
  2⤵
  - Program crash
  PID:4284

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4456 -ip 4456
1⤵
PID:540

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3688 -ip 3688
1⤵
PID:880

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/3688-7-0x0000000000B00000-0x0000000000ECE000-memory.dmp

Filesize
3.8MB

Download
memory/3688-11-0x0000000000B00000-0x0000000000ECE000-memory.dmp

Filesize
3.8MB

Download
memory/3688-16-0x0000000000B00000-0x0000000000ECE000-memory.dmp

Filesize
3.8MB

Download
memory/3688-15-0x0000000000B00000-0x0000000000ECE000-memory.dmp

Filesize
3.8MB

Download
memory/4456-1-0x0000000000DD0000-0x0000000001218000-memory.dmp

Filesize
4.3MB

Download
memory/4456-0-0x0000000074E60000-0x0000000075610000-memory.dmp

Filesize
7.7MB

Download
memory/4456-2-0x00000000059F0000-0x0000000005F94000-memory.dmp

Filesize
5.6MB

Download
memory/4456-3-0x00000000054E0000-0x0000000005572000-memory.dmp

Filesize
584KB

Download
memory/4456-4-0x0000000005380000-0x0000000005390000-memory.dmp

Filesize
64KB

Download
memory/4456-5-0x0000000005900000-0x000000000590A000-memory.dmp

Filesize
40KB

Download
memory/4456-17-0x0000000074E60000-0x0000000075610000-memory.dmp

Filesize
7.7MB

Download