bitrat | fd10d12ae0088461e070fcc033fa0e28e5bd00cc4434e767b30b73d0560bae8d

General

Target
d29ed35f652d9460d8ebe1c99e194ca0.exe
Size 6KB
Sample210519-pcwjsdf3l2
SHA256 fd10d12ae0088461e070fcc033fa0e28e5bd00cc4434e767b30b73d0560bae8d
MD5 d29ed35f652d9460d8ebe1c99e194ca0
SHA1 246d21054e4eb5e0689c61456e2e26935709ff1a
SHA512 e96bffc739cdf12927f8f42544cc5b4500370c856c9a0fdb40b48331c61ea86dc859da6e99cb8238c44eefff7f2e62697258560feb8ddda21621553b59b626e0
MD5 SHA1 SHA512

Score

10^/10

bitrat trojan upx

Malware Config

Signatures

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

BitRAT Payload 1 IoCs

resource	yara_rule
behavioral2/memory/1476-121-0x00000000007E2380-mapping.dmp	family_bitrat

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1476-120-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/1476-122-0x0000000000400000-0x00000000007E4000-memory.dmp	upx

Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs

pid	Process
1476	MSBuild.exe
1476	MSBuild.exe
1476	MSBuild.exe
1476	MSBuild.exe
1476	MSBuild.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4436 set thread context of 1476	4436	d29ed35f652d9460d8ebe1c99e194ca0.exe	76

Modifies registry class 6 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000_Classes\ms-settings\shell\open\command	MSBuild.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000_Classes\ms-settings	MSBuild.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000_Classes\ms-settings\shell	MSBuild.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000_Classes\ms-settings\shell\open	MSBuild.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000_Classes\ms-settings\shell\open\command\ = "C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\MSBuild.exe -wdkill"	MSBuild.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000_Classes\ms-settings\shell\open\command\DelegateExecute	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4436	d29ed35f652d9460d8ebe1c99e194ca0.exe
Token: SeShutdownPrivilege	1476	MSBuild.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1476	MSBuild.exe
1476	MSBuild.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 4436 wrote to memory of 1476	4436	d29ed35f652d9460d8ebe1c99e194ca0.exe	76
PID 4436 wrote to memory of 1476	4436	d29ed35f652d9460d8ebe1c99e194ca0.exe	76
PID 4436 wrote to memory of 1476	4436	d29ed35f652d9460d8ebe1c99e194ca0.exe	76
PID 4436 wrote to memory of 1476	4436	d29ed35f652d9460d8ebe1c99e194ca0.exe	76
PID 4436 wrote to memory of 1476	4436	d29ed35f652d9460d8ebe1c99e194ca0.exe	76
PID 4436 wrote to memory of 1476	4436	d29ed35f652d9460d8ebe1c99e194ca0.exe	76
PID 4436 wrote to memory of 1476	4436	d29ed35f652d9460d8ebe1c99e194ca0.exe	76
PID 1476 wrote to memory of 2828	1476	MSBuild.exe	80
PID 1476 wrote to memory of 2828	1476	MSBuild.exe	80
PID 2828 wrote to memory of 4380	2828	fodhelper.exe	81
PID 2828 wrote to memory of 4380	2828	fodhelper.exe	81
PID 2828 wrote to memory of 4380	2828	fodhelper.exe	81
PID 1476 wrote to memory of 188	1476	MSBuild.exe	83
PID 1476 wrote to memory of 188	1476	MSBuild.exe	83
PID 188 wrote to memory of 4300	188	fodhelper.exe	84
PID 188 wrote to memory of 4300	188	fodhelper.exe	84
PID 188 wrote to memory of 4300	188	fodhelper.exe	84

C:\Users\Admin\AppData\Local\Temp\d29ed35f652d9460d8ebe1c99e194ca0.exe
"C:\Users\Admin\AppData\Local\Temp\d29ed35f652d9460d8ebe1c99e194ca0.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4436
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1476
- - C:\Windows\System32\fodhelper.exe
    "C:\Windows\System32\fodhelper.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2828
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe" -wdkill
      4⤵
      PID:4380
- - C:\Windows\System32\fodhelper.exe
    "C:\Windows\System32\fodhelper.exe"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:188
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe" -wdkill
      4⤵
      PID:4300

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1476-122-0x0000000000400000-0x00000000007E4000-memory.dmp

Download

memory/1476-120-0x0000000000400000-0x00000000007E4000-memory.dmp

Download

memory/4380-127-0x00000000056C0000-0x00000000056C1000-memory.dmp

Download

memory/4380-125-0x0000000000D00000-0x0000000000D01000-memory.dmp

Download

memory/4380-126-0x0000000005490000-0x0000000005491000-memory.dmp

Download

memory/4436-119-0x00000000075F0000-0x00000000075F1000-memory.dmp

Download

memory/4436-114-0x0000000000A40000-0x0000000000A41000-memory.dmp

Download

memory/4436-118-0x0000000007380000-0x0000000007548000-memory.dmp

Download

memory/4436-117-0x0000000005300000-0x0000000005301000-memory.dmp

Download

memory/4436-116-0x0000000005840000-0x0000000005841000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads