bitrat | f8740b5ac23ccea3c9041197ea5a63e2afdbd83515155cfc5567fba9b4ea434e

General

Target

importante boleta cita fisca.exe
Size

112KB
MD5

9af009465f81dd21e95c471f1cfcd4cb
SHA1

46a82157ffff18e722ec9bd9c6563b2daea7f05a
SHA256

f8740b5ac23ccea3c9041197ea5a63e2afdbd83515155cfc5567fba9b4ea434e
SHA512

3473591a4ae75f57859de9609ca0e16c9283b7ffcb603b29d410208a39fff1ce3d3284c3105b0d9062d1ba33a1e90029cbd72f07f3bad74820fe9b625aba8935

Score

10^/10

bitrat persistence suricata trojan upx

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

ejuejehth.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
suricata: ET MALWARE Observed Malicious SSL Cert (BitRAT CnC)
suricata: ET MALWARE Observed Malicious SSL Cert (BitRAT CnC)
suricata

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/1720-148-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/1720-149-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/1720-150-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/1720-151-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/1720-152-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/1720-155-0x0000000000400000-0x00000000007E4000-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:

importante boleta cita fisca.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation	importante boleta cita fisca.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

importante boleta cita fisca.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\chrome = "\"C:\\Users\\Admin\\AppData\\Roaming\\Mklwxcw\\chrome.exe\""	importante boleta cita fisca.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs

Processes:

InstallUtil.exe

pid process

1720 InstallUtil.exe
1720 InstallUtil.exe
1720 InstallUtil.exe
1720 InstallUtil.exe
1720 InstallUtil.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

importante boleta cita fisca.exe

description pid process target process

PID 1484 set thread context of 1720 1484 importante boleta cita fisca.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
1720	InstallUtil.exe
1720	InstallUtil.exe
1720	InstallUtil.exe
1720	InstallUtil.exe
1720	InstallUtil.exe

description	pid	process	target process
PID 1484 set thread context of 1720	1484	importante boleta cita fisca.exe	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

powershell.exepowershell.exeimportante boleta cita fisca.exe

pid	process
3372	powershell.exe
3372	powershell.exe
2164	powershell.exe
2164	powershell.exe
1484	importante boleta cita fisca.exe
1484	importante boleta cita fisca.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

powershell.exeimportante boleta cita fisca.exepowershell.exeInstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	3372	powershell.exe
Token: SeDebugPrivilege	1484	importante boleta cita fisca.exe
Token: SeDebugPrivilege	2164	powershell.exe
Token: SeShutdownPrivilege	1720	InstallUtil.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

InstallUtil.exe

pid process

1720 InstallUtil.exe
1720 InstallUtil.exe

pid	process
1720	InstallUtil.exe
1720	InstallUtil.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

importante boleta cita fisca.exe

description	pid	process	target process
PID 1484 wrote to memory of 3372	1484	importante boleta cita fisca.exe	powershell.exe
PID 1484 wrote to memory of 3372	1484	importante boleta cita fisca.exe	powershell.exe
PID 1484 wrote to memory of 3372	1484	importante boleta cita fisca.exe	powershell.exe
PID 1484 wrote to memory of 2164	1484	importante boleta cita fisca.exe	powershell.exe
PID 1484 wrote to memory of 2164	1484	importante boleta cita fisca.exe	powershell.exe
PID 1484 wrote to memory of 2164	1484	importante boleta cita fisca.exe	powershell.exe
PID 1484 wrote to memory of 1720	1484	importante boleta cita fisca.exe	InstallUtil.exe
PID 1484 wrote to memory of 1720	1484	importante boleta cita fisca.exe	InstallUtil.exe
PID 1484 wrote to memory of 1720	1484	importante boleta cita fisca.exe	InstallUtil.exe
PID 1484 wrote to memory of 1720	1484	importante boleta cita fisca.exe	InstallUtil.exe
PID 1484 wrote to memory of 1720	1484	importante boleta cita fisca.exe	InstallUtil.exe
PID 1484 wrote to memory of 1720	1484	importante boleta cita fisca.exe	InstallUtil.exe
PID 1484 wrote to memory of 1720	1484	importante boleta cita fisca.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\importante boleta cita fisca.exe
"C:\Users\Admin\AppData\Local\Temp\importante boleta cita fisca.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:1484

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3372

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:2164

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:1720

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache
Filesize
53KB

MD5
3337d66209faa998d52d781d0ff2d804

SHA1
6594b85a70f998f79f43cdf1ca56137997534156

SHA256
9b946b062865f68b9f0f43a011d33d7ea0926a3c8f78fb20d9cab6144314e1bd

SHA512
8bbd14bd73111f7b55712f5d1e1b727e41db8e6e0c1243ee6809ff32b509e52dec7af34c064151fb5beccd59dda434a3f83abe987c561a25abfbb4cbcf9c7f1f

Download Submit
memory/1484-130-0x0000000000120000-0x0000000000140000-memory.dmp

Filesize
128KB

Download
memory/1484-131-0x0000000005040000-0x00000000055E4000-memory.dmp

Filesize
5.6MB

Download
memory/1484-132-0x0000000004B30000-0x0000000004BC2000-memory.dmp

Filesize
584KB

Download
memory/1484-133-0x0000000004AE0000-0x0000000004AEA000-memory.dmp

Filesize
40KB

Download
memory/1720-154-0x0000000071150000-0x0000000071189000-memory.dmp

Filesize
228KB

Download
memory/1720-155-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1720-156-0x0000000075B20000-0x0000000075B59000-memory.dmp

Filesize
228KB

Download
memory/1720-147-0x0000000000000000-mapping.dmp

Download
memory/1720-153-0x0000000075B20000-0x0000000075B59000-memory.dmp

Filesize
228KB

Download
memory/1720-152-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1720-151-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1720-150-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1720-149-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1720-148-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/1720-157-0x0000000071150000-0x0000000071189000-memory.dmp

Filesize
228KB

Download
memory/2164-145-0x0000000000000000-mapping.dmp

Download
memory/3372-137-0x0000000005360000-0x0000000005382000-memory.dmp

Filesize
136KB

Download
memory/3372-144-0x0000000007740000-0x000000000775A000-memory.dmp

Filesize
104KB

Download
memory/3372-143-0x0000000007DA0000-0x000000000841A000-memory.dmp

Filesize
6.5MB

Download
memory/3372-142-0x0000000007430000-0x00000000074A6000-memory.dmp

Filesize
472KB

Download
memory/3372-141-0x0000000006880000-0x00000000068C4000-memory.dmp

Filesize
272KB

Download
memory/3372-140-0x0000000006390000-0x00000000063AE000-memory.dmp

Filesize
120KB

Download
memory/3372-139-0x0000000005CE0000-0x0000000005D46000-memory.dmp

Filesize
408KB

Download
memory/3372-138-0x0000000005B70000-0x0000000005BD6000-memory.dmp

Filesize
408KB

Download
memory/3372-136-0x0000000005540000-0x0000000005B68000-memory.dmp

Filesize
6.2MB

Download
memory/3372-135-0x00000000029E0000-0x0000000002A16000-memory.dmp

Filesize
216KB

Download
memory/3372-134-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads