bitrat | 18f501c16c958abd19fafa10b1fb5baac2387a51807eb9229fa1cbe4a663b9b6

General

Target

LIXVoWXPPCyc5Jy.exe
Size

2.5MB
MD5

cef6d09b553a93f81942da9838b1ac57
SHA1

c32fbf54b54dadabbae600645c417c163234daf5
SHA256

d9aa21479a1a55d57839aee6310cd6853b2bc5215337aa72316a96f7be7ff3e5
SHA512

05ed612b7d2e14b034a391d45b578e0eda2b52be3b8eeccb3534872de61d05d95b4b3e7f10bfa01ef6913d29a24404c8cf635c804f9fbe2820321078d1007928
SSDEEP

49152:SoSto6fCl0KeaNs68/bXvlM28MTVTc6hhCkJNV8VicCFiO1:S9+0P9/rBRVTpIkJN+YcLO

Score

10^/10

bitrat trojan upx

Malware Config

Extracted

Family

bitrat

Version

1.34

C2

curtisusa.hopto.org:5215

Attributes

communication_password
ee342c2505c08512ed898d3855498f1a
tor_process
tor

Signatures

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

UPX packed file 24 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral5/memory/2492-17-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral5/memory/2492-18-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral5/memory/2492-16-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral5/memory/2492-15-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral5/memory/2492-11-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral5/memory/2492-12-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral5/memory/2492-19-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral5/memory/2492-21-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral5/memory/2492-22-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral5/memory/2492-28-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral5/memory/2492-30-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral5/memory/2492-29-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral5/memory/2492-31-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral5/memory/2492-32-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral5/memory/2492-33-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral5/memory/2492-34-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral5/memory/2492-35-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral5/memory/2492-36-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral5/memory/2492-37-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral5/memory/2492-38-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral5/memory/2492-39-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral5/memory/2492-40-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral5/memory/2492-41-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral5/memory/2492-42-0x0000000000400000-0x00000000007E4000-memory.dmp	upx

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
2492	MSBuild.exe
2492	MSBuild.exe
2492	MSBuild.exe
2492	MSBuild.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1932 set thread context of 2492	1932	LIXVoWXPPCyc5Jy.exe	32

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

System Information Discovery
T1082

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2520	schtasks.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2492	MSBuild.exe
Token: SeShutdownPrivilege	2492	MSBuild.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2492	MSBuild.exe
2492	MSBuild.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1932 wrote to memory of 2520	1932	LIXVoWXPPCyc5Jy.exe	30
PID 1932 wrote to memory of 2520	1932	LIXVoWXPPCyc5Jy.exe	30
PID 1932 wrote to memory of 2520	1932	LIXVoWXPPCyc5Jy.exe	30
PID 1932 wrote to memory of 2520	1932	LIXVoWXPPCyc5Jy.exe	30
PID 1932 wrote to memory of 2492	1932	LIXVoWXPPCyc5Jy.exe	32
PID 1932 wrote to memory of 2492	1932	LIXVoWXPPCyc5Jy.exe	32
PID 1932 wrote to memory of 2492	1932	LIXVoWXPPCyc5Jy.exe	32
PID 1932 wrote to memory of 2492	1932	LIXVoWXPPCyc5Jy.exe	32
PID 1932 wrote to memory of 2492	1932	LIXVoWXPPCyc5Jy.exe	32
PID 1932 wrote to memory of 2492	1932	LIXVoWXPPCyc5Jy.exe	32
PID 1932 wrote to memory of 2492	1932	LIXVoWXPPCyc5Jy.exe	32
PID 1932 wrote to memory of 2492	1932	LIXVoWXPPCyc5Jy.exe	32

C:\Users\Admin\AppData\Local\Temp\LIXVoWXPPCyc5Jy.exe
"C:\Users\Admin\AppData\Local\Temp\LIXVoWXPPCyc5Jy.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1932
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AGbGTkAzcl" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE3CA.tmp"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:2520
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
  "{path}"
  2⤵
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2492

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

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:\Users\Admin\AppData\Local\Temp\tmpE3CA.tmp

Filesize
1KB

MD5
e954ac93c04da27a9c76004f4264577f

SHA1
0145b5e9030744c5a5ef447c8d809e1f67f83239

SHA256
bd6d4198504e847efd8f900b8666b2606a225736de94f27e89aea51e73267ebb

SHA512
bf02f02590eb012e6f90103d3b90b0ec2ff88cebb537be4c655380ea404fa97a15e935ccb365d4819e5f0117e9f9f7fa17e08e00c767d8358a89f54f076cf0d7

Download Submit
memory/1932-0-0x0000000074E71000-0x0000000074E72000-memory.dmp

Filesize
4KB

Download
memory/1932-1-0x0000000074E70000-0x000000007541B000-memory.dmp

Filesize
5.7MB

Download
memory/1932-2-0x0000000074E70000-0x000000007541B000-memory.dmp

Filesize
5.7MB

Download
memory/1932-3-0x0000000074E70000-0x000000007541B000-memory.dmp

Filesize
5.7MB

Download
memory/1932-4-0x0000000074E70000-0x000000007541B000-memory.dmp

Filesize
5.7MB

Download
memory/1932-5-0x0000000074E70000-0x000000007541B000-memory.dmp

Filesize
5.7MB

Download
memory/1932-20-0x0000000074E70000-0x000000007541B000-memory.dmp

Filesize
5.7MB

Download
memory/2492-17-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2492-29-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2492-16-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2492-15-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2492-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2492-11-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2492-12-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2492-19-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2492-10-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2492-21-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2492-22-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2492-28-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2492-30-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2492-18-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2492-31-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2492-32-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2492-33-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2492-34-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2492-35-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2492-36-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2492-37-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2492-38-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2492-39-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2492-40-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2492-41-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2492-42-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads