bitrat | b152d8eb3429cc766add38acd8cfe35f6a67f071e9c534b679d1b8ab5f9771d3

General

Target

b68542cfc28fcfae0313042956a7bf72.exe
Size

3.1MB
MD5

b68542cfc28fcfae0313042956a7bf72
SHA1

245eddeb197886aaa3d2eefb12ad4b074462b299
SHA256

b152d8eb3429cc766add38acd8cfe35f6a67f071e9c534b679d1b8ab5f9771d3
SHA512

855d457c2c0df22890bb2c0616a4edc5cd832d181be39b3e9e1495a3ec94640c367312a1fbb7450cd01f56bb1b149e1209fb5d8685f98070aee0cccc7fa47bf7

Score

10^/10

bitrat xenarmor password persistence recovery suricata trojan upx

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

62.197.136.15:5103

Attributes

communication_password
e10adc3949ba59abbe56e057f20f883e
tor_process
tor

Signatures

BitRAT
BitRAT is a remote access tool written in C++ and uses leaked source code from other families.
trojan bitrat
XenArmor Suite
XenArmor is as suite of password recovery tools for various application.
recovery password xenarmor
suricata: ET MALWARE Observed Malicious SSL Cert (BitRAT CnC)
suricata: ET MALWARE Observed Malicious SSL Cert (BitRAT CnC)
suricata

ACProtect 1.3x - 1.4x DLL software 2 IoCs

Detects file using ACProtect software.

Processes:

resource	yara_rule
\Windows\Microsoft.NET\Framework\v4.0.30319\Unknown.dll	acprotect
C:\Windows\Microsoft.NET\Framework\v4.0.30319\Unknown.dll	acprotect

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/880-84-0x0000000000400000-0x00000000008DC000-memory.dmp	upx
behavioral1/memory/880-86-0x0000000000400000-0x00000000008DC000-memory.dmp	upx
behavioral1/memory/880-87-0x0000000000400000-0x00000000008DC000-memory.dmp	upx
behavioral1/memory/880-90-0x0000000000400000-0x00000000008DC000-memory.dmp	upx
behavioral1/memory/880-91-0x0000000000400000-0x00000000008DC000-memory.dmp	upx
behavioral1/memory/880-100-0x0000000000400000-0x00000000008DC000-memory.dmp	upx

Loads dropped DLL 1 IoCs

Processes:

MSBuild.exe

pid process

964 MSBuild.exe

pid	process
964	MSBuild.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

b68542cfc28fcfae0313042956a7bf72.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run\updater = "\"C:\\Users\\Admin\\AppData\\Roaming\\Google\\updater.exe\""	b68542cfc28fcfae0313042956a7bf72.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs

Processes:

MSBuild.exe

pid process

676 MSBuild.exe
676 MSBuild.exe
676 MSBuild.exe
676 MSBuild.exe
676 MSBuild.exe

pid	process
676	MSBuild.exe
676	MSBuild.exe
676	MSBuild.exe
676	MSBuild.exe
676	MSBuild.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

b68542cfc28fcfae0313042956a7bf72.exeMSBuild.exeMSBuild.exe

description	pid	process	target process
PID 1756 set thread context of 676	1756	b68542cfc28fcfae0313042956a7bf72.exe	MSBuild.exe
PID 676 set thread context of 880	676	MSBuild.exe	MSBuild.exe
PID 880 set thread context of 964	880	MSBuild.exe	MSBuild.exe

Drops file in Windows directory 25 IoCs

Processes:

MSBuild.exe

description	ioc	process
File created	C:\Windows\Microsoft.NET\Framework\v4.0.30319\External\ComponentsExt\api-ms-win-crt-environment-l1-1-0.dll	MSBuild.exe
File created	C:\Windows\Microsoft.NET\Framework\v4.0.30319\External\ComponentsExt\api-ms-win-crt-heap-l1-1-0.dll	MSBuild.exe
File created	C:\Windows\Microsoft.NET\Framework\v4.0.30319\External\ComponentsExt\api-ms-win-crt-time-l1-1-0.dll	MSBuild.exe
File created	C:\Windows\Microsoft.NET\Framework\v4.0.30319\External\ComponentsExt\freebl3.dll	MSBuild.exe
File created	C:\Windows\Microsoft.NET\Framework\v4.0.30319\External\ComponentsExt\mozglue.dll	MSBuild.exe
File opened for modification	C:\Windows\Microsoft.NET\Framework\v4.0.30319\External	MSBuild.exe
File opened for modification	C:\Windows\Microsoft.NET\Framework\v4.0.30319\License.XenArmor	MSBuild.exe
File created	C:\Windows\Microsoft.NET\Framework\v4.0.30319\External\ComponentsExt\api-ms-win-crt-math-l1-1-0.dll	MSBuild.exe
File created	C:\Windows\Microsoft.NET\Framework\v4.0.30319\External\ComponentsExt\api-ms-win-crt-multibyte-l1-1-0.dll	MSBuild.exe
File created	C:\Windows\Microsoft.NET\Framework\v4.0.30319\External\ComponentsExt\api-ms-win-crt-runtime-l1-1-0.dll	MSBuild.exe
File created	C:\Windows\Microsoft.NET\Framework\v4.0.30319\External\ComponentsExt\msvcp140.dll	MSBuild.exe
File created	C:\Windows\Microsoft.NET\Framework\v4.0.30319\External\ComponentsExt\vcruntime140.dll	MSBuild.exe
File created	C:\Windows\Microsoft.NET\Framework\v4.0.30319\Unknown.dll	MSBuild.exe
File opened for modification	C:\Windows\Microsoft.NET\Framework\v4.0.30319\External\ComponentsExt	MSBuild.exe
File created	C:\Windows\Microsoft.NET\Framework\v4.0.30319\License.XenArmor	MSBuild.exe
File created	C:\Windows\Microsoft.NET\Framework\v4.0.30319\External\ComponentsExt\nss3.dll	MSBuild.exe
File created	C:\Windows\Microsoft.NET\Framework\v4.0.30319\External\ComponentsExt\softokn3.dll	MSBuild.exe
File opened for modification	C:\Windows\Microsoft.NET\Framework\v4.0.30319\Unknown.dll	MSBuild.exe
File created	C:\Windows\Microsoft.NET\Framework\v4.0.30319\External\ComponentsExt\api-ms-win-crt-conio-l1-1-0_not.dll	MSBuild.exe
File created	C:\Windows\Microsoft.NET\Framework\v4.0.30319\External\ComponentsExt\api-ms-win-crt-utility-l1-1-0.dll	MSBuild.exe
File created	C:\Windows\Microsoft.NET\Framework\v4.0.30319\External\ComponentsExt\api-ms-win-crt-locale-l1-1-0.dll	MSBuild.exe
File created	C:\Windows\Microsoft.NET\Framework\v4.0.30319\External\ComponentsExt\api-ms-win-crt-stdio-l1-1-0.dll	MSBuild.exe
File created	C:\Windows\Microsoft.NET\Framework\v4.0.30319\External\ComponentsExt\api-ms-win-crt-string-l1-1-0.dll	MSBuild.exe
File created	C:\Windows\Microsoft.NET\Framework\v4.0.30319\External\ComponentsExt\api-ms-win-crt-convert-l1-1-0.dll	MSBuild.exe
File created	C:\Windows\Microsoft.NET\Framework\v4.0.30319\External\ComponentsExt\api-ms-win-crt-filesystem-l1-1-0.dll	MSBuild.exe

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

System Information Discovery
T1082
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

2028 timeout.exe

pid	process
2028	timeout.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

b68542cfc28fcfae0313042956a7bf72.exe

pid	process
1756	b68542cfc28fcfae0313042956a7bf72.exe
1756	b68542cfc28fcfae0313042956a7bf72.exe
1756	b68542cfc28fcfae0313042956a7bf72.exe
1756	b68542cfc28fcfae0313042956a7bf72.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

b68542cfc28fcfae0313042956a7bf72.exeMSBuild.exe

description	pid	process
Token: SeDebugPrivilege	1756	b68542cfc28fcfae0313042956a7bf72.exe
Token: SeDebugPrivilege	676	MSBuild.exe
Token: SeShutdownPrivilege	676	MSBuild.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

MSBuild.exe

pid process

676 MSBuild.exe
676 MSBuild.exe

pid	process
676	MSBuild.exe
676	MSBuild.exe

Suspicious use of WriteProcessMemory 40 IoCs

Processes:

b68542cfc28fcfae0313042956a7bf72.execmd.exeMSBuild.exeMSBuild.exe

description	pid	process	target process
PID 1756 wrote to memory of 2032	1756	b68542cfc28fcfae0313042956a7bf72.exe	cmd.exe
PID 1756 wrote to memory of 2032	1756	b68542cfc28fcfae0313042956a7bf72.exe	cmd.exe
PID 1756 wrote to memory of 2032	1756	b68542cfc28fcfae0313042956a7bf72.exe	cmd.exe
PID 1756 wrote to memory of 2032	1756	b68542cfc28fcfae0313042956a7bf72.exe	cmd.exe
PID 2032 wrote to memory of 2028	2032	cmd.exe	timeout.exe
PID 2032 wrote to memory of 2028	2032	cmd.exe	timeout.exe
PID 2032 wrote to memory of 2028	2032	cmd.exe	timeout.exe
PID 2032 wrote to memory of 2028	2032	cmd.exe	timeout.exe
PID 1756 wrote to memory of 1920	1756	b68542cfc28fcfae0313042956a7bf72.exe	MSBuild.exe
PID 1756 wrote to memory of 1920	1756	b68542cfc28fcfae0313042956a7bf72.exe	MSBuild.exe
PID 1756 wrote to memory of 1920	1756	b68542cfc28fcfae0313042956a7bf72.exe	MSBuild.exe
PID 1756 wrote to memory of 1920	1756	b68542cfc28fcfae0313042956a7bf72.exe	MSBuild.exe
PID 1756 wrote to memory of 676	1756	b68542cfc28fcfae0313042956a7bf72.exe	MSBuild.exe
PID 1756 wrote to memory of 676	1756	b68542cfc28fcfae0313042956a7bf72.exe	MSBuild.exe
PID 1756 wrote to memory of 676	1756	b68542cfc28fcfae0313042956a7bf72.exe	MSBuild.exe
PID 1756 wrote to memory of 676	1756	b68542cfc28fcfae0313042956a7bf72.exe	MSBuild.exe
PID 1756 wrote to memory of 676	1756	b68542cfc28fcfae0313042956a7bf72.exe	MSBuild.exe
PID 1756 wrote to memory of 676	1756	b68542cfc28fcfae0313042956a7bf72.exe	MSBuild.exe
PID 1756 wrote to memory of 676	1756	b68542cfc28fcfae0313042956a7bf72.exe	MSBuild.exe
PID 1756 wrote to memory of 676	1756	b68542cfc28fcfae0313042956a7bf72.exe	MSBuild.exe
PID 1756 wrote to memory of 676	1756	b68542cfc28fcfae0313042956a7bf72.exe	MSBuild.exe
PID 1756 wrote to memory of 676	1756	b68542cfc28fcfae0313042956a7bf72.exe	MSBuild.exe
PID 1756 wrote to memory of 676	1756	b68542cfc28fcfae0313042956a7bf72.exe	MSBuild.exe
PID 1756 wrote to memory of 676	1756	b68542cfc28fcfae0313042956a7bf72.exe	MSBuild.exe
PID 676 wrote to memory of 880	676	MSBuild.exe	MSBuild.exe
PID 676 wrote to memory of 880	676	MSBuild.exe	MSBuild.exe
PID 676 wrote to memory of 880	676	MSBuild.exe	MSBuild.exe
PID 676 wrote to memory of 880	676	MSBuild.exe	MSBuild.exe
PID 676 wrote to memory of 880	676	MSBuild.exe	MSBuild.exe
PID 676 wrote to memory of 880	676	MSBuild.exe	MSBuild.exe
PID 676 wrote to memory of 880	676	MSBuild.exe	MSBuild.exe
PID 676 wrote to memory of 880	676	MSBuild.exe	MSBuild.exe
PID 880 wrote to memory of 964	880	MSBuild.exe	MSBuild.exe
PID 880 wrote to memory of 964	880	MSBuild.exe	MSBuild.exe
PID 880 wrote to memory of 964	880	MSBuild.exe	MSBuild.exe
PID 880 wrote to memory of 964	880	MSBuild.exe	MSBuild.exe
PID 880 wrote to memory of 964	880	MSBuild.exe	MSBuild.exe
PID 880 wrote to memory of 964	880	MSBuild.exe	MSBuild.exe
PID 880 wrote to memory of 964	880	MSBuild.exe	MSBuild.exe
PID 880 wrote to memory of 964	880	MSBuild.exe	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\b68542cfc28fcfae0313042956a7bf72.exe
"C:\Users\Admin\AppData\Local\Temp\b68542cfc28fcfae0313042956a7bf72.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1756
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c timeout 42
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2032
- - C:\Windows\SysWOW64\timeout.exe
    timeout 42
    3⤵
    - Delays execution with timeout.exe
    PID:2028
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  2⤵
  PID:1920
- 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
  - Suspicious use of SetThreadContext
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:676
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
    -a "C:\Users\Admin\AppData\Local\9e1a53f0\plg\67xLSq4r.json"
    3⤵
    - Suspicious use of SetThreadContext
    - Drops file in Windows directory
    - Suspicious use of WriteProcessMemory
    PID:880
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      -a "C:\Users\Admin\AppData\Local\Temp\unk.xml"
      4⤵
      Loads dropped DLL
      PID:964

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\Microsoft.NET\Framework\v4.0.30319\License.XenArmor

Filesize
104B

MD5
4f3bde9212e17ef18226866d6ac739b6

SHA1
732733bec8314beb81437e60876ffa75e72ae6cd

SHA256
212173a405c78d70f90e8ec0699a60ed2f4a9f3a8070de62eabd666c268fb174

SHA512
10b7cdae0b9a7b0f8e1bfc66a60675fa9b25c523864d5ae3da243f4e6e4c5194f3bd92af57ac956157442f66414bdd3393d0a1e5ba4ef0f192561e8524d4e744

Download Submit
C:\Windows\Microsoft.NET\Framework\v4.0.30319\Unknown.dll

Filesize
793KB

MD5
86114faba7e1ec4a667d2bcb2e23f024

SHA1
670df6e1ba1dc6bece046e8b2e573dd36748245e

SHA256
568da887725ccfdc4c5aae3ff66792fe60eca4e0818338f6a8434be66a6fe46d

SHA512
d26ee0da6ccd4022982cf848c46e40f6781b667e39d0c5daf5ea8d74c44e55c55a5f7590a4d2a60aa1911358ca783c4276a9b4e6311c4cea20df1ebd4f7f457f

Download Submit
\Windows\Microsoft.NET\Framework\v4.0.30319\Unknown.dll

Filesize
793KB

MD5
86114faba7e1ec4a667d2bcb2e23f024

SHA1
670df6e1ba1dc6bece046e8b2e573dd36748245e

SHA256
568da887725ccfdc4c5aae3ff66792fe60eca4e0818338f6a8434be66a6fe46d

SHA512
d26ee0da6ccd4022982cf848c46e40f6781b667e39d0c5daf5ea8d74c44e55c55a5f7590a4d2a60aa1911358ca783c4276a9b4e6311c4cea20df1ebd4f7f457f

Download Submit
memory/676-81-0x0000000000100000-0x000000000010A000-memory.dmp

Filesize
40KB

Download
memory/676-73-0x000000000068A488-mapping.dmp

Download
memory/676-69-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/676-60-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/676-61-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/676-63-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/676-65-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/676-67-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/676-82-0x0000000000100000-0x000000000010A000-memory.dmp

Filesize
40KB

Download
memory/676-70-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/676-72-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/676-80-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/676-75-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/676-77-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/676-78-0x0000000000100000-0x000000000010A000-memory.dmp

Filesize
40KB

Download
memory/676-79-0x0000000000100000-0x000000000010A000-memory.dmp

Filesize
40KB

Download
memory/880-90-0x0000000000400000-0x00000000008DC000-memory.dmp

Filesize
4.9MB

Download
memory/880-100-0x0000000000400000-0x00000000008DC000-memory.dmp

Filesize
4.9MB

Download
memory/880-83-0x0000000000400000-0x00000000008DC000-memory.dmp

Filesize
4.9MB

Download
memory/880-84-0x0000000000400000-0x00000000008DC000-memory.dmp

Filesize
4.9MB

Download
memory/880-91-0x0000000000400000-0x00000000008DC000-memory.dmp

Filesize
4.9MB

Download
memory/880-86-0x0000000000400000-0x00000000008DC000-memory.dmp

Filesize
4.9MB

Download
memory/880-87-0x0000000000400000-0x00000000008DC000-memory.dmp

Filesize
4.9MB

Download
memory/880-88-0x00000000008D9FE0-mapping.dmp

Download
memory/964-96-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/964-103-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/964-93-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/964-94-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/964-102-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/964-97-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/964-98-0x00000000006FC1D0-mapping.dmp

Download
memory/964-99-0x0000000000400000-0x00000000006FE000-memory.dmp

Filesize
3.0MB

Download
memory/1756-54-0x0000000000B00000-0x0000000000E1E000-memory.dmp

Filesize
3.1MB

Download
memory/1756-56-0x0000000009280000-0x0000000009494000-memory.dmp

Filesize
2.1MB

Download
memory/1756-57-0x0000000000350000-0x000000000039C000-memory.dmp

Filesize
304KB

Download
memory/1756-55-0x00000000750C1000-0x00000000750C3000-memory.dmp

Filesize
8KB

Download
memory/2028-59-0x0000000000000000-mapping.dmp

Download
memory/2032-58-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads