bitrat | a23df5218fce91ebdca2d79333d24d47c6f6ffa553955f1f67f5749b3b7736d8

General

Target

8828ee50894765fc72e1cc4b13a86e1d.exe
Size

1.1MB
MD5

8828ee50894765fc72e1cc4b13a86e1d
SHA1

752067b8495fdc866dac4b58854ebf784d122740
SHA256

a23df5218fce91ebdca2d79333d24d47c6f6ffa553955f1f67f5749b3b7736d8
SHA512

bcaaf119f884eb450b03a71c9b533b338a40bb9c8bc7eccd0040baf76de57d3863f4b8b8d712a844e0c4b77d10ea91322601c9b4158dab1202210046fc9b3380

Score

10^/10

bitrat persistence trojan upx

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

nvwourhebv.con-ip.com:1880

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/536-145-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/536-146-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/536-147-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/536-148-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/536-149-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/536-152-0x0000000000400000-0x00000000007E4000-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:

8828ee50894765fc72e1cc4b13a86e1d.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\Control Panel\International\Geo\Nation	8828ee50894765fc72e1cc4b13a86e1d.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

8828ee50894765fc72e1cc4b13a86e1d.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\chrome = "\"C:\\Users\\Admin\\AppData\\Roaming\\Ziripfszn\\chrome.exe\""	8828ee50894765fc72e1cc4b13a86e1d.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs

Processes:

InstallUtil.exe

pid process

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

Processes:

8828ee50894765fc72e1cc4b13a86e1d.exe

description pid process target process

PID 4520 set thread context of 536 4520 8828ee50894765fc72e1cc4b13a86e1d.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
536	InstallUtil.exe
536	InstallUtil.exe
536	InstallUtil.exe
536	InstallUtil.exe
536	InstallUtil.exe

description	pid	process	target process
PID 4520 set thread context of 536	4520	8828ee50894765fc72e1cc4b13a86e1d.exe	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

Processes:

powershell.exe8828ee50894765fc72e1cc4b13a86e1d.exe

pid	process
2136	powershell.exe
2136	powershell.exe
4520	8828ee50894765fc72e1cc4b13a86e1d.exe
4520	8828ee50894765fc72e1cc4b13a86e1d.exe
4520	8828ee50894765fc72e1cc4b13a86e1d.exe
4520	8828ee50894765fc72e1cc4b13a86e1d.exe
4520	8828ee50894765fc72e1cc4b13a86e1d.exe
4520	8828ee50894765fc72e1cc4b13a86e1d.exe
4520	8828ee50894765fc72e1cc4b13a86e1d.exe
4520	8828ee50894765fc72e1cc4b13a86e1d.exe
4520	8828ee50894765fc72e1cc4b13a86e1d.exe
4520	8828ee50894765fc72e1cc4b13a86e1d.exe
4520	8828ee50894765fc72e1cc4b13a86e1d.exe
4520	8828ee50894765fc72e1cc4b13a86e1d.exe
4520	8828ee50894765fc72e1cc4b13a86e1d.exe
4520	8828ee50894765fc72e1cc4b13a86e1d.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

8828ee50894765fc72e1cc4b13a86e1d.exepowershell.exeInstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	4520	8828ee50894765fc72e1cc4b13a86e1d.exe
Token: SeDebugPrivilege	2136	powershell.exe
Token: SeShutdownPrivilege	536	InstallUtil.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

InstallUtil.exe

pid process

536 InstallUtil.exe
536 InstallUtil.exe

pid	process
536	InstallUtil.exe
536	InstallUtil.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

8828ee50894765fc72e1cc4b13a86e1d.exe

description	pid	process	target process
PID 4520 wrote to memory of 2136	4520	8828ee50894765fc72e1cc4b13a86e1d.exe	powershell.exe
PID 4520 wrote to memory of 2136	4520	8828ee50894765fc72e1cc4b13a86e1d.exe	powershell.exe
PID 4520 wrote to memory of 2136	4520	8828ee50894765fc72e1cc4b13a86e1d.exe	powershell.exe
PID 4520 wrote to memory of 4912	4520	8828ee50894765fc72e1cc4b13a86e1d.exe	InstallUtil.exe
PID 4520 wrote to memory of 4912	4520	8828ee50894765fc72e1cc4b13a86e1d.exe	InstallUtil.exe
PID 4520 wrote to memory of 4912	4520	8828ee50894765fc72e1cc4b13a86e1d.exe	InstallUtil.exe
PID 4520 wrote to memory of 3456	4520	8828ee50894765fc72e1cc4b13a86e1d.exe	InstallUtil.exe
PID 4520 wrote to memory of 3456	4520	8828ee50894765fc72e1cc4b13a86e1d.exe	InstallUtil.exe
PID 4520 wrote to memory of 3456	4520	8828ee50894765fc72e1cc4b13a86e1d.exe	InstallUtil.exe
PID 4520 wrote to memory of 5100	4520	8828ee50894765fc72e1cc4b13a86e1d.exe	InstallUtil.exe
PID 4520 wrote to memory of 5100	4520	8828ee50894765fc72e1cc4b13a86e1d.exe	InstallUtil.exe
PID 4520 wrote to memory of 5100	4520	8828ee50894765fc72e1cc4b13a86e1d.exe	InstallUtil.exe
PID 4520 wrote to memory of 536	4520	8828ee50894765fc72e1cc4b13a86e1d.exe	InstallUtil.exe
PID 4520 wrote to memory of 536	4520	8828ee50894765fc72e1cc4b13a86e1d.exe	InstallUtil.exe
PID 4520 wrote to memory of 536	4520	8828ee50894765fc72e1cc4b13a86e1d.exe	InstallUtil.exe
PID 4520 wrote to memory of 536	4520	8828ee50894765fc72e1cc4b13a86e1d.exe	InstallUtil.exe
PID 4520 wrote to memory of 536	4520	8828ee50894765fc72e1cc4b13a86e1d.exe	InstallUtil.exe
PID 4520 wrote to memory of 536	4520	8828ee50894765fc72e1cc4b13a86e1d.exe	InstallUtil.exe
PID 4520 wrote to memory of 536	4520	8828ee50894765fc72e1cc4b13a86e1d.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\8828ee50894765fc72e1cc4b13a86e1d.exe
"C:\Users\Admin\AppData\Local\Temp\8828ee50894765fc72e1cc4b13a86e1d.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:4520

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:2136

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
2⤵
PID:4912

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
2⤵
PID:3456

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
2⤵
PID:5100

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:536

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/536-144-0x0000000000000000-mapping.dmp

Download
memory/536-155-0x0000000075390000-0x00000000753C9000-memory.dmp

Filesize
228KB

Download
memory/536-154-0x0000000075600000-0x0000000075639000-memory.dmp

Filesize
228KB

Download
memory/536-153-0x0000000075280000-0x00000000752B9000-memory.dmp

Filesize
228KB

Download
memory/536-152-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/536-151-0x0000000075600000-0x0000000075639000-memory.dmp

Filesize
228KB

Download
memory/536-150-0x0000000075280000-0x00000000752B9000-memory.dmp

Filesize
228KB

Download
memory/536-149-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/536-148-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/536-147-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/536-146-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/536-145-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/2136-136-0x0000000005860000-0x00000000058C6000-memory.dmp

Filesize
408KB

Download
memory/2136-137-0x0000000005940000-0x00000000059A6000-memory.dmp

Filesize
408KB

Download
memory/2136-133-0x0000000000000000-mapping.dmp

Download
memory/2136-134-0x00000000029B0000-0x00000000029E6000-memory.dmp

Filesize
216KB

Download
memory/2136-140-0x0000000006510000-0x000000000652A000-memory.dmp

Filesize
104KB

Download
memory/2136-139-0x0000000007850000-0x0000000007ECA000-memory.dmp

Filesize
6.5MB

Download
memory/2136-138-0x0000000006010000-0x000000000602E000-memory.dmp

Filesize
120KB

Download
memory/2136-135-0x0000000005130000-0x0000000005758000-memory.dmp

Filesize
6.2MB

Download
memory/3456-142-0x0000000000000000-mapping.dmp

Download
memory/4520-130-0x00000000000D0000-0x00000000001F2000-memory.dmp

Filesize
1.1MB

Download
memory/4520-132-0x00000000062F0000-0x0000000006312000-memory.dmp

Filesize
136KB

Download
memory/4520-131-0x0000000005140000-0x00000000056E4000-memory.dmp

Filesize
5.6MB

Download
memory/4912-141-0x0000000000000000-mapping.dmp

Download
memory/5100-143-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads