bitrat | 790ec551f63688e1dbeffa8e41660dca92a554e5960f8c8095b92b0b7e78fc99

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20230221-en
resource tags

arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
submitted
08-03-2023 02:06

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General

Target

88ab07c52703743422b32c40089601ed.exe
Size

72KB
MD5

88ab07c52703743422b32c40089601ed
SHA1

5c3bf16f3db88862a66e99912e6fb82e25ce3a10
SHA256

790ec551f63688e1dbeffa8e41660dca92a554e5960f8c8095b92b0b7e78fc99
SHA512

bf7dc6ba3c378c226bb2f9226219c2267f21c605c7ca28b1ba13f03e248e0a138f307ea4f3d5c84cb5f23af034094968fee1536b9e93bf24bfe70545f9ec68df
SSDEEP

192:G2pN99ZwLa9l7X4nuInO+++++++++++++++++++++++++++++++++++++++++++j:Gsv9WL4xmhZilZq4KCm+ApH1ThO/Ff

Score

10^/10

bitrat persistence trojan

Malware Config

Extracted

Family

bitrat

Version

1.38

pradeepprabhu705.hopto.org:312

Attributes

communication_password
827ccb0eea8a706c4c34a16891f84e7b
tor_process
tor

Signatures

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2805025096-2326403612-4231045514-1000\Control Panel\International\Geo\Nation	88ab07c52703743422b32c40089601ed.exe

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-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\opera = "\"C:\\Users\\Admin\\AppData\\Local\\opera.exe\""	88ab07c52703743422b32c40089601ed.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs

pid	Process
228	88ab07c52703743422b32c40089601ed.exe
228	88ab07c52703743422b32c40089601ed.exe
228	88ab07c52703743422b32c40089601ed.exe
228	88ab07c52703743422b32c40089601ed.exe
228	88ab07c52703743422b32c40089601ed.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1796 set thread context of 228	1796	88ab07c52703743422b32c40089601ed.exe	98

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3804	powershell.exe
3804	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1796	88ab07c52703743422b32c40089601ed.exe
Token: SeDebugPrivilege	3804	powershell.exe
Token: SeShutdownPrivilege	228	88ab07c52703743422b32c40089601ed.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
228	88ab07c52703743422b32c40089601ed.exe
228	88ab07c52703743422b32c40089601ed.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1796 wrote to memory of 3804	1796	88ab07c52703743422b32c40089601ed.exe	82
PID 1796 wrote to memory of 3804	1796	88ab07c52703743422b32c40089601ed.exe	82
PID 1796 wrote to memory of 3804	1796	88ab07c52703743422b32c40089601ed.exe	82
PID 1796 wrote to memory of 228	1796	88ab07c52703743422b32c40089601ed.exe	98
PID 1796 wrote to memory of 228	1796	88ab07c52703743422b32c40089601ed.exe	98
PID 1796 wrote to memory of 228	1796	88ab07c52703743422b32c40089601ed.exe	98
PID 1796 wrote to memory of 228	1796	88ab07c52703743422b32c40089601ed.exe	98
PID 1796 wrote to memory of 228	1796	88ab07c52703743422b32c40089601ed.exe	98
PID 1796 wrote to memory of 228	1796	88ab07c52703743422b32c40089601ed.exe	98
PID 1796 wrote to memory of 228	1796	88ab07c52703743422b32c40089601ed.exe	98
PID 1796 wrote to memory of 228	1796	88ab07c52703743422b32c40089601ed.exe	98
PID 1796 wrote to memory of 228	1796	88ab07c52703743422b32c40089601ed.exe	98
PID 1796 wrote to memory of 228	1796	88ab07c52703743422b32c40089601ed.exe	98
PID 1796 wrote to memory of 228	1796	88ab07c52703743422b32c40089601ed.exe	98

C:\Users\Admin\AppData\Local\Temp\88ab07c52703743422b32c40089601ed.exe
"C:\Users\Admin\AppData\Local\Temp\88ab07c52703743422b32c40089601ed.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1796
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMQAyADIA
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3804
- C:\Users\Admin\AppData\Local\Temp\88ab07c52703743422b32c40089601ed.exe
  C:\Users\Admin\AppData\Local\Temp\88ab07c52703743422b32c40089601ed.exe purecrypter.exe
  2⤵
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:228

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4mmpq3lj.ud5.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/228-173-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/228-175-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/228-185-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/228-164-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/228-165-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/228-183-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/228-180-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/228-179-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/228-178-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/228-177-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/228-176-0x0000000074E70000-0x0000000074EA9000-memory.dmp

Filesize
228KB

Download
memory/228-174-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/228-172-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/228-171-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/228-170-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/228-169-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/228-166-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/228-162-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/228-168-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/228-184-0x0000000000400000-0x00000000007CE000-memory.dmp

Filesize
3.8MB

Download
memory/1796-134-0x0000000004AE0000-0x0000000004AF0000-memory.dmp

Filesize
64KB

Download
memory/1796-135-0x0000000005900000-0x0000000005922000-memory.dmp

Filesize
136KB

Download
memory/1796-155-0x0000000004AE0000-0x0000000004AF0000-memory.dmp

Filesize
64KB

Download
memory/1796-133-0x0000000000120000-0x0000000000138000-memory.dmp

Filesize
96KB

Download
memory/3804-154-0x00000000034F0000-0x0000000003500000-memory.dmp

Filesize
64KB

Download
memory/3804-157-0x00000000034F0000-0x0000000003500000-memory.dmp

Filesize
64KB

Download
memory/3804-156-0x00000000034F0000-0x0000000003500000-memory.dmp

Filesize
64KB

Download
memory/3804-151-0x00000000068D0000-0x00000000068EE000-memory.dmp

Filesize
120KB

Download
memory/3804-152-0x0000000007FF0000-0x000000000866A000-memory.dmp

Filesize
6.5MB

Download
memory/3804-158-0x00000000034F0000-0x0000000003500000-memory.dmp

Filesize
64KB

Download
memory/3804-136-0x00000000032F0000-0x0000000003326000-memory.dmp

Filesize
216KB

Download
memory/3804-146-0x0000000006320000-0x0000000006386000-memory.dmp

Filesize
408KB

Download
memory/3804-137-0x0000000005BF0000-0x0000000006218000-memory.dmp

Filesize
6.2MB

Download
memory/3804-140-0x0000000005AD0000-0x0000000005B36000-memory.dmp

Filesize
408KB

Download
memory/3804-139-0x00000000034F0000-0x0000000003500000-memory.dmp

Filesize
64KB

Download
memory/3804-138-0x00000000034F0000-0x0000000003500000-memory.dmp

Filesize
64KB

Download
memory/3804-153-0x00000000079A0000-0x00000000079BA000-memory.dmp

Filesize
104KB

Download