bitrat | 8a8510d2187fd728940e181d4439b0540b24a3ba120e5a2c2848de00a925a25a

General

Target

Autorización Tarjeta de Crédito CAIXA SAS.exe
Size

3.2MB
MD5

09bb05a14f96a008da82cc06277e65dc
SHA1

7e140dc2f7a70e016f95c216f621324264133b96
SHA256

8a8510d2187fd728940e181d4439b0540b24a3ba120e5a2c2848de00a925a25a
SHA512

6d61db479ee1c4b2454e1d8c19524a567cd3f9f84946593fa3c03932ff01bc02cfd80c82a0f9650e435babc0479857fe2c90460bf5effbe6f6d7a6a354dc18ec
SSDEEP

98304:tPvxQDFdz7aAXTiI0kKTC8Va7G7S/Vt9STf:tPvAxIkKO8U5LwT

Score

10^/10

bitrat persistence trojan upx

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

bendito.con-ip.com:3005

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/4984-143-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/4984-144-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/4984-145-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/4984-146-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/4984-147-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/4984-150-0x0000000000400000-0x00000000007E4000-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:

Autorización Tarjeta de Crédito CAIXA SAS.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	Autorización Tarjeta de Crédito CAIXA SAS.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Autorización Tarjeta de Crédito CAIXA SAS.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\chrome = "\"C:\\Users\\Admin\\AppData\\Roaming\\Mseapua\\chrome.exe\""	Autorización Tarjeta de Crédito CAIXA SAS.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs

Processes:

InstallUtil.exe

pid process

4984 InstallUtil.exe
4984 InstallUtil.exe
4984 InstallUtil.exe
4984 InstallUtil.exe
4984 InstallUtil.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

Autorización Tarjeta de Crédito CAIXA SAS.exe

description pid process target process

PID 3900 set thread context of 4984 3900 Autorización Tarjeta de Crédito CAIXA SAS.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
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exe

pid process

4800 powershell.exe
4800 powershell.exe

pid	process
4984	InstallUtil.exe
4984	InstallUtil.exe
4984	InstallUtil.exe
4984	InstallUtil.exe
4984	InstallUtil.exe

description	pid	process	target process
PID 3900 set thread context of 4984	3900	Autorización Tarjeta de Crédito CAIXA SAS.exe	InstallUtil.exe

pid	process
4800	powershell.exe
4800	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Autorización Tarjeta de Crédito CAIXA SAS.exepowershell.exeInstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	3900	Autorización Tarjeta de Crédito CAIXA SAS.exe
Token: SeDebugPrivilege	4800	powershell.exe
Token: SeShutdownPrivilege	4984	InstallUtil.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

InstallUtil.exe

pid process

4984 InstallUtil.exe
4984 InstallUtil.exe

pid	process
4984	InstallUtil.exe
4984	InstallUtil.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

Autorización Tarjeta de Crédito CAIXA SAS.exe

description	pid	process	target process
PID 3900 wrote to memory of 4800	3900	Autorización Tarjeta de Crédito CAIXA SAS.exe	powershell.exe
PID 3900 wrote to memory of 4800	3900	Autorización Tarjeta de Crédito CAIXA SAS.exe	powershell.exe
PID 3900 wrote to memory of 4800	3900	Autorización Tarjeta de Crédito CAIXA SAS.exe	powershell.exe
PID 3900 wrote to memory of 4984	3900	Autorización Tarjeta de Crédito CAIXA SAS.exe	InstallUtil.exe
PID 3900 wrote to memory of 4984	3900	Autorización Tarjeta de Crédito CAIXA SAS.exe	InstallUtil.exe
PID 3900 wrote to memory of 4984	3900	Autorización Tarjeta de Crédito CAIXA SAS.exe	InstallUtil.exe
PID 3900 wrote to memory of 4984	3900	Autorización Tarjeta de Crédito CAIXA SAS.exe	InstallUtil.exe
PID 3900 wrote to memory of 4984	3900	Autorización Tarjeta de Crédito CAIXA SAS.exe	InstallUtil.exe
PID 3900 wrote to memory of 4984	3900	Autorización Tarjeta de Crédito CAIXA SAS.exe	InstallUtil.exe
PID 3900 wrote to memory of 4984	3900	Autorización Tarjeta de Crédito CAIXA SAS.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\Autorización Tarjeta de Crédito CAIXA SAS.exe
"C:\Users\Admin\AppData\Local\Temp\Autorización Tarjeta de Crédito CAIXA SAS.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:3900

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:4800

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:4984

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

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Downloads

memory/3900-132-0x0000000000BC0000-0x0000000000F02000-memory.dmp

Filesize
3.3MB

Download
memory/3900-133-0x0000000005D70000-0x0000000005D92000-memory.dmp

Filesize
136KB

Download
memory/4800-134-0x0000000000000000-mapping.dmp

Download
memory/4800-135-0x0000000004900000-0x0000000004936000-memory.dmp

Filesize
216KB

Download
memory/4800-136-0x0000000004FC0000-0x00000000055E8000-memory.dmp

Filesize
6.2MB

Download
memory/4800-137-0x0000000005660000-0x00000000056C6000-memory.dmp

Filesize
408KB

Download
memory/4800-138-0x00000000057D0000-0x0000000005836000-memory.dmp

Filesize
408KB

Download
memory/4800-139-0x0000000005ED0000-0x0000000005EEE000-memory.dmp

Filesize
120KB

Download
memory/4800-140-0x0000000007540000-0x0000000007BBA000-memory.dmp

Filesize
6.5MB

Download
memory/4800-141-0x00000000063E0000-0x00000000063FA000-memory.dmp

Filesize
104KB

Download
memory/4984-142-0x0000000000000000-mapping.dmp

Download
memory/4984-143-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/4984-144-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/4984-145-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/4984-146-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/4984-147-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/4984-148-0x0000000074310000-0x0000000074349000-memory.dmp

Filesize
228KB

Download
memory/4984-149-0x0000000074690000-0x00000000746C9000-memory.dmp

Filesize
228KB

Download
memory/4984-150-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/4984-151-0x0000000074310000-0x0000000074349000-memory.dmp

Filesize
228KB

Download
memory/4984-152-0x0000000074690000-0x00000000746C9000-memory.dmp

Filesize
228KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads