bitrat | b6315db7c3bb79d6ca4aa43ee3f71108951691bf91ce2ddecd8a8fa6035baee4

Analysis

max time kernel
144s
max time network
146s
platform
windows10_x64
resource
win10v20210410
submitted
27/05/2021, 10:38

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General

Target
file5.exe
Size 2.1MB
Sample210527-mb576kmkr2
SHA256 b6315db7c3bb79d6ca4aa43ee3f71108951691bf91ce2ddecd8a8fa6035baee4
MD5 478be88d93efdbb10a995c2db688892c
SHA1 e3c640886c8ef955bf07b78d9b9750a1b29bed33
SHA512 4c05436ca5c285038ac2110f6d1a755abf1be28a4cef49ebee22153a2ea7fa9c33cba61a87621c8b79f3e88c27cdd53a5ed16205cd2d29fdc568794451597368
MD5 SHA1 SHA512

Score

10^/10

bitrat persistence 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/1568-117-0x00000000007E2380-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/1568-116-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/1568-118-0x0000000000400000-0x00000000007E4000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\NuGet = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsNuGet\\NuGet.exe.exe"	file5.exe
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run	file5.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
1568	file5.EXE
1568	file5.EXE
1568	file5.EXE
1568	file5.EXE

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4012 set thread context of 1568	4012	file5.exe	74

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1568	file5.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
4012	file5.exe
1568	file5.EXE
1568	file5.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4012 wrote to memory of 1568	4012	file5.exe	74
PID 4012 wrote to memory of 1568	4012	file5.exe	74
PID 4012 wrote to memory of 1568	4012	file5.exe	74
PID 4012 wrote to memory of 1568	4012	file5.exe	74
PID 4012 wrote to memory of 1568	4012	file5.exe	74
PID 4012 wrote to memory of 1568	4012	file5.exe	74
PID 4012 wrote to memory of 1568	4012	file5.exe	74
PID 4012 wrote to memory of 1568	4012	file5.exe	74

C:\Users\Admin\AppData\Local\Temp\file5.exe
"C:\Users\Admin\AppData\Local\Temp\file5.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4012
- C:\Users\Admin\AppData\Local\Temp\file5.EXE
  "C:\Users\Admin\AppData\Local\Temp\file5.EXE"
  2⤵
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1568

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1568-116-0x0000000000400000-0x00000000007E4000-memory.dmp

Download

memory/1568-118-0x0000000000400000-0x00000000007E4000-memory.dmp