bitrat | 9015e5c60b8bd504c8fb6eff20e85f022ab7bdef3209c8743d328f23c864ec39

General

Target

Circular de Resolución No. 2901..exe
Size

3.1MB
MD5

ef60fcaf6ddedd0a3fdb93732cca0902
SHA1

e71d10f577df8a6d111f3571079bdfb583f30f62
SHA256

9015e5c60b8bd504c8fb6eff20e85f022ab7bdef3209c8743d328f23c864ec39
SHA512

1435bb539c6156b4e7d9000fa4f4a64403a70397d18c17f74cd1be5eac0570e44e92df4edcc48ea2a20487c8cccfe71fa374b5c2a8e55e5df0e9c7c6d7fe7afc
SSDEEP

98304:l9QHRIEF7KhO2fZzDnUEZ3QiVkc8JcDv:QHvUuO6c8JcD

Score

10^/10

bitrat persistence trojan upx

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

bendicion777.con-ip.com:7777

Attributes

communication_password
202cb962ac59075b964b07152d234b70
tor_process
tor

Signatures

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

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/1140-146-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/1140-147-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/1140-145-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/1140-149-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/1140-148-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/1140-152-0x0000000000400000-0x00000000007E4000-memory.dmp	upx

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

Processes:

Circular de Resolución No. 2901..exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	Circular de Resolución No. 2901..exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Circular de Resolución No. 2901..exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\chrome = "\"C:\\Users\\Admin\\AppData\\Roaming\\Ljqcjwv\\chrome.exe\""	Circular de Resolución No. 2901..exe

Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs

Processes:

InstallUtil.exe

pid process

1140 InstallUtil.exe
1140 InstallUtil.exe
1140 InstallUtil.exe
1140 InstallUtil.exe
1140 InstallUtil.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

Circular de Resolución No. 2901..exe

description pid process target process

PID 1220 set thread context of 1140 1220 Circular de Resolución No. 2901..exe InstallUtil.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

pid	process
1140	InstallUtil.exe
1140	InstallUtil.exe
1140	InstallUtil.exe
1140	InstallUtil.exe
1140	InstallUtil.exe

description	pid	process	target process
PID 1220 set thread context of 1140	1220	Circular de Resolución No. 2901..exe	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

powershell.exeCircular de Resolución No. 2901..exe

pid	process
1292	powershell.exe
1292	powershell.exe
1220	Circular de Resolución No. 2901..exe
1220	Circular de Resolución No. 2901..exe
1220	Circular de Resolución No. 2901..exe
1220	Circular de Resolución No. 2901..exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Circular de Resolución No. 2901..exepowershell.exeInstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	1220	Circular de Resolución No. 2901..exe
Token: SeDebugPrivilege	1292	powershell.exe
Token: SeShutdownPrivilege	1140	InstallUtil.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

InstallUtil.exe

pid process

1140 InstallUtil.exe
1140 InstallUtil.exe

pid	process
1140	InstallUtil.exe
1140	InstallUtil.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

Circular de Resolución No. 2901..exe

description	pid	process	target process
PID 1220 wrote to memory of 1292	1220	Circular de Resolución No. 2901..exe	powershell.exe
PID 1220 wrote to memory of 1292	1220	Circular de Resolución No. 2901..exe	powershell.exe
PID 1220 wrote to memory of 1292	1220	Circular de Resolución No. 2901..exe	powershell.exe
PID 1220 wrote to memory of 4824	1220	Circular de Resolución No. 2901..exe	InstallUtil.exe
PID 1220 wrote to memory of 4824	1220	Circular de Resolución No. 2901..exe	InstallUtil.exe
PID 1220 wrote to memory of 4824	1220	Circular de Resolución No. 2901..exe	InstallUtil.exe
PID 1220 wrote to memory of 2416	1220	Circular de Resolución No. 2901..exe	InstallUtil.exe
PID 1220 wrote to memory of 2416	1220	Circular de Resolución No. 2901..exe	InstallUtil.exe
PID 1220 wrote to memory of 2416	1220	Circular de Resolución No. 2901..exe	InstallUtil.exe
PID 1220 wrote to memory of 1140	1220	Circular de Resolución No. 2901..exe	InstallUtil.exe
PID 1220 wrote to memory of 1140	1220	Circular de Resolución No. 2901..exe	InstallUtil.exe
PID 1220 wrote to memory of 1140	1220	Circular de Resolución No. 2901..exe	InstallUtil.exe
PID 1220 wrote to memory of 1140	1220	Circular de Resolución No. 2901..exe	InstallUtil.exe
PID 1220 wrote to memory of 1140	1220	Circular de Resolución No. 2901..exe	InstallUtil.exe
PID 1220 wrote to memory of 1140	1220	Circular de Resolución No. 2901..exe	InstallUtil.exe
PID 1220 wrote to memory of 1140	1220	Circular de Resolución No. 2901..exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\Circular de Resolución No. 2901..exe
"C:\Users\Admin\AppData\Local\Temp\Circular de Resolución No. 2901..exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1220

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMgAwAA==
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1292

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
2⤵
PID:4824

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
2⤵
PID:2416

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1140

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1140-151-0x00000000753A0000-0x00000000753D9000-memory.dmp

Filesize
228KB

Download
memory/1140-154-0x00000000753A0000-0x00000000753D9000-memory.dmp

Filesize
228KB

Download
memory/1140-153-0x0000000075020000-0x0000000075059000-memory.dmp

Filesize
228KB

Download
memory/1140-152-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1140-146-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1140-150-0x0000000075020000-0x0000000075059000-memory.dmp

Filesize
228KB

Download
memory/1140-148-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1140-149-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1140-145-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1140-147-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1140-144-0x0000000000000000-mapping.dmp

Download
memory/1220-133-0x0000000005CC0000-0x0000000005CE2000-memory.dmp

Filesize
136KB

Download
memory/1220-132-0x0000000000D80000-0x0000000001098000-memory.dmp

Filesize
3.1MB

Download
memory/1292-137-0x0000000005BF0000-0x0000000005C56000-memory.dmp

Filesize
408KB

Download
memory/1292-141-0x00000000068E0000-0x00000000068FA000-memory.dmp

Filesize
104KB

Download
memory/1292-140-0x0000000007A20000-0x000000000809A000-memory.dmp

Filesize
6.5MB

Download
memory/1292-139-0x00000000063D0000-0x00000000063EE000-memory.dmp

Filesize
120KB

Download
memory/1292-138-0x0000000005D90000-0x0000000005DF6000-memory.dmp

Filesize
408KB

Download
memory/1292-136-0x00000000054C0000-0x0000000005AE8000-memory.dmp

Filesize
6.2MB

Download
memory/1292-135-0x0000000004E50000-0x0000000004E86000-memory.dmp

Filesize
216KB

Download
memory/1292-134-0x0000000000000000-mapping.dmp

Download
memory/2416-143-0x0000000000000000-mapping.dmp

Download
memory/4824-142-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads