bitrat | 870529ce8a6938063220619a4635b6bde6bf9bc18cc735a0157bc4ea24187ac4

Analysis

max time kernel
150s
max time network
150s
platform
windows10_x64
resource
win10v20210410
submitted
09/08/2021, 18:06

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General

Target
B490CB2051120FAE80AF8E0474F240C0.exe
Size 2.1MB
Sample210809-emymj7jsts
SHA256 870529ce8a6938063220619a4635b6bde6bf9bc18cc735a0157bc4ea24187ac4
MD5 b490cb2051120fae80af8e0474f240c0
SHA1 86fa25338ff3a67671290f5736e5bee3aaf08f4d
SHA512 2e99eedcbcefc2283eee86aff1d6b857da733b2f367a584707ae71fb67d2bd955a908e50f34b779264f914d99bf10db3f8c834dabce567aa3afedbac0ca79ff2
MD5 SHA1 SHA512

Score

10^/10

bitrat xenarmor password persistence recovery spyware stealer 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 3 IoCs

resource	yara_rule
behavioral2/memory/2736-127-0x000000000068A488-mapping.dmp	family_bitrat
behavioral2/memory/2736-126-0x0000000000400000-0x00000000007CE000-memory.dmp	family_bitrat
behavioral2/memory/2736-128-0x0000000000400000-0x00000000007CE000-memory.dmp	family_bitrat

XenArmor Suite
XenArmor is as suite of password recovery tools for various application.
recovery password xenarmor

ACProtect 1.3x - 1.4x DLL software 2 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000100000001ab70-134.dat	acprotect
behavioral2/files/0x000100000001ab70-135.dat	acprotect

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2184-129-0x0000000000400000-0x00000000008DC000-memory.dmp	upx
behavioral2/memory/2184-131-0x0000000000400000-0x00000000008DC000-memory.dmp	upx

Loads dropped DLL 1 IoCs

pid	Process
2108	B490CB2051120FAE80AF8E0474F240C0.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 1 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\msdtc = "\"C:\\Users\\Admin\\AppData\\Local\\msdtc.exe\""	B490CB2051120FAE80AF8E0474F240C0.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs

pid	Process
2736	B490CB2051120FAE80AF8E0474F240C0.exe
2736	B490CB2051120FAE80AF8E0474F240C0.exe
2736	B490CB2051120FAE80AF8E0474F240C0.exe
2736	B490CB2051120FAE80AF8E0474F240C0.exe
2736	B490CB2051120FAE80AF8E0474F240C0.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3172 set thread context of 2736	3172	B490CB2051120FAE80AF8E0474F240C0.exe	79
PID 2736 set thread context of 2184	2736	B490CB2051120FAE80AF8E0474F240C0.exe	80
PID 2184 set thread context of 2108	2184	B490CB2051120FAE80AF8E0474F240C0.exe	81

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3172	B490CB2051120FAE80AF8E0474F240C0.exe
3172	B490CB2051120FAE80AF8E0474F240C0.exe
2108	B490CB2051120FAE80AF8E0474F240C0.exe
2108	B490CB2051120FAE80AF8E0474F240C0.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3172	B490CB2051120FAE80AF8E0474F240C0.exe
Token: SeShutdownPrivilege	2736	B490CB2051120FAE80AF8E0474F240C0.exe
Token: SeDebugPrivilege	2108	B490CB2051120FAE80AF8E0474F240C0.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2736	B490CB2051120FAE80AF8E0474F240C0.exe
2736	B490CB2051120FAE80AF8E0474F240C0.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 3172 wrote to memory of 2736	3172	B490CB2051120FAE80AF8E0474F240C0.exe	79
PID 3172 wrote to memory of 2736	3172	B490CB2051120FAE80AF8E0474F240C0.exe	79
PID 3172 wrote to memory of 2736	3172	B490CB2051120FAE80AF8E0474F240C0.exe	79
PID 3172 wrote to memory of 2736	3172	B490CB2051120FAE80AF8E0474F240C0.exe	79
PID 3172 wrote to memory of 2736	3172	B490CB2051120FAE80AF8E0474F240C0.exe	79
PID 3172 wrote to memory of 2736	3172	B490CB2051120FAE80AF8E0474F240C0.exe	79
PID 3172 wrote to memory of 2736	3172	B490CB2051120FAE80AF8E0474F240C0.exe	79
PID 3172 wrote to memory of 2736	3172	B490CB2051120FAE80AF8E0474F240C0.exe	79
PID 3172 wrote to memory of 2736	3172	B490CB2051120FAE80AF8E0474F240C0.exe	79
PID 3172 wrote to memory of 2736	3172	B490CB2051120FAE80AF8E0474F240C0.exe	79
PID 3172 wrote to memory of 2736	3172	B490CB2051120FAE80AF8E0474F240C0.exe	79
PID 2736 wrote to memory of 2184	2736	B490CB2051120FAE80AF8E0474F240C0.exe	80
PID 2736 wrote to memory of 2184	2736	B490CB2051120FAE80AF8E0474F240C0.exe	80
PID 2736 wrote to memory of 2184	2736	B490CB2051120FAE80AF8E0474F240C0.exe	80
PID 2736 wrote to memory of 2184	2736	B490CB2051120FAE80AF8E0474F240C0.exe	80
PID 2736 wrote to memory of 2184	2736	B490CB2051120FAE80AF8E0474F240C0.exe	80
PID 2736 wrote to memory of 2184	2736	B490CB2051120FAE80AF8E0474F240C0.exe	80
PID 2736 wrote to memory of 2184	2736	B490CB2051120FAE80AF8E0474F240C0.exe	80
PID 2736 wrote to memory of 2184	2736	B490CB2051120FAE80AF8E0474F240C0.exe	80
PID 2184 wrote to memory of 2108	2184	B490CB2051120FAE80AF8E0474F240C0.exe	81
PID 2184 wrote to memory of 2108	2184	B490CB2051120FAE80AF8E0474F240C0.exe	81
PID 2184 wrote to memory of 2108	2184	B490CB2051120FAE80AF8E0474F240C0.exe	81
PID 2184 wrote to memory of 2108	2184	B490CB2051120FAE80AF8E0474F240C0.exe	81
PID 2184 wrote to memory of 2108	2184	B490CB2051120FAE80AF8E0474F240C0.exe	81
PID 2184 wrote to memory of 2108	2184	B490CB2051120FAE80AF8E0474F240C0.exe	81
PID 2184 wrote to memory of 2108	2184	B490CB2051120FAE80AF8E0474F240C0.exe	81
PID 2184 wrote to memory of 2108	2184	B490CB2051120FAE80AF8E0474F240C0.exe	81

C:\Users\Admin\AppData\Local\Temp\B490CB2051120FAE80AF8E0474F240C0.exe
"C:\Users\Admin\AppData\Local\Temp\B490CB2051120FAE80AF8E0474F240C0.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3172
- C:\Users\Admin\AppData\Local\Temp\B490CB2051120FAE80AF8E0474F240C0.exe
  C:\Users\Admin\AppData\Local\Temp\B490CB2051120FAE80AF8E0474F240C0.exe
  2⤵
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious use of SetThreadContext
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2736
- - C:\Users\Admin\AppData\Local\Temp\B490CB2051120FAE80AF8E0474F240C0.exe
    -a "C:\Users\Admin\AppData\Local\822c72ef\plg\cCB8bZY3.json"
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:2184
  - - C:\Users\Admin\AppData\Local\Temp\B490CB2051120FAE80AF8E0474F240C0.exe
      -a "C:\Users\Admin\AppData\Local\Temp\unk.xml"
      4⤵
      Loads dropped DLL
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:2108

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

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/2108-136-0x0000000000400000-0x00000000006FE000-memory.dmp

Download

memory/2108-132-0x0000000000400000-0x00000000006FE000-memory.dmp

Download

memory/2184-129-0x0000000000400000-0x00000000008DC000-memory.dmp

Download

memory/2184-131-0x0000000000400000-0x00000000008DC000-memory.dmp

Download

memory/2736-128-0x0000000000400000-0x00000000007CE000-memory.dmp

Download

memory/2736-126-0x0000000000400000-0x00000000007CE000-memory.dmp

Download

memory/3172-114-0x0000000000BA0000-0x0000000000BA1000-memory.dmp

Download

memory/3172-125-0x00000000030A0000-0x000000000310B000-memory.dmp

Download

memory/3172-120-0x0000000007C30000-0x0000000007E39000-memory.dmp

Download

memory/3172-119-0x0000000005610000-0x0000000005611000-memory.dmp

Download

memory/3172-118-0x00000000055F0000-0x00000000055F1000-memory.dmp

Download

memory/3172-117-0x0000000005760000-0x0000000005761000-memory.dmp

Download

memory/3172-116-0x0000000005C60000-0x0000000005C61000-memory.dmp

Download