bitrat | 4de2cc756df96a38b545b8ca2d3961878b08fe4439c102c339c2fc16596c5423

General

Target

494ac754c467b6a3b3fc99a0d6c015b5.exe
Size

5.1MB
MD5

494ac754c467b6a3b3fc99a0d6c015b5
SHA1

a441b8fb0463c09dd2fede4427280a47bab7ce64
SHA256

4de2cc756df96a38b545b8ca2d3961878b08fe4439c102c339c2fc16596c5423
SHA512

5bf91836bf410bdd654dceb53bd7011b3211620606096a0bea0c89c96ea2195f7bd8c98a1b83b35a984e75a90059e59eb8493c2cc75ee99370d1c1bb1b62191b
SSDEEP

24576:h1kp8QPf2T4+eDjwnEPI+rfb0jq38SkUYvSmbMKVaUBXehOEAhqzuq5mbjNnYQbQ:LM1O7n7u69cZ4Sxc0+T5XY

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/4144-143-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/4144-144-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/4144-145-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/4144-146-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/4144-147-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/4144-150-0x0000000000400000-0x00000000007E4000-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:

494ac754c467b6a3b3fc99a0d6c015b5.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	494ac754c467b6a3b3fc99a0d6c015b5.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

494ac754c467b6a3b3fc99a0d6c015b5.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\chrome = "\"C:\\Users\\Admin\\AppData\\Roaming\\Ztdiqzaou\\chrome.exe\""	494ac754c467b6a3b3fc99a0d6c015b5.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs

Processes:

InstallUtil.exe

pid process

4144 InstallUtil.exe
4144 InstallUtil.exe
4144 InstallUtil.exe
4144 InstallUtil.exe
4144 InstallUtil.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

494ac754c467b6a3b3fc99a0d6c015b5.exe

description pid process target process

PID 5000 set thread context of 4144 5000 494ac754c467b6a3b3fc99a0d6c015b5.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

3636 powershell.exe
3636 powershell.exe

pid	process
4144	InstallUtil.exe
4144	InstallUtil.exe
4144	InstallUtil.exe
4144	InstallUtil.exe
4144	InstallUtil.exe

description	pid	process	target process
PID 5000 set thread context of 4144	5000	494ac754c467b6a3b3fc99a0d6c015b5.exe	InstallUtil.exe

pid	process
3636	powershell.exe
3636	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

powershell.exe494ac754c467b6a3b3fc99a0d6c015b5.exeInstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	3636	powershell.exe
Token: SeDebugPrivilege	5000	494ac754c467b6a3b3fc99a0d6c015b5.exe
Token: SeShutdownPrivilege	4144	InstallUtil.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

InstallUtil.exe

pid process

4144 InstallUtil.exe
4144 InstallUtil.exe

pid	process
4144	InstallUtil.exe
4144	InstallUtil.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

494ac754c467b6a3b3fc99a0d6c015b5.exe

description	pid	process	target process
PID 5000 wrote to memory of 3636	5000	494ac754c467b6a3b3fc99a0d6c015b5.exe	powershell.exe
PID 5000 wrote to memory of 3636	5000	494ac754c467b6a3b3fc99a0d6c015b5.exe	powershell.exe
PID 5000 wrote to memory of 3636	5000	494ac754c467b6a3b3fc99a0d6c015b5.exe	powershell.exe
PID 5000 wrote to memory of 4144	5000	494ac754c467b6a3b3fc99a0d6c015b5.exe	InstallUtil.exe
PID 5000 wrote to memory of 4144	5000	494ac754c467b6a3b3fc99a0d6c015b5.exe	InstallUtil.exe
PID 5000 wrote to memory of 4144	5000	494ac754c467b6a3b3fc99a0d6c015b5.exe	InstallUtil.exe
PID 5000 wrote to memory of 4144	5000	494ac754c467b6a3b3fc99a0d6c015b5.exe	InstallUtil.exe
PID 5000 wrote to memory of 4144	5000	494ac754c467b6a3b3fc99a0d6c015b5.exe	InstallUtil.exe
PID 5000 wrote to memory of 4144	5000	494ac754c467b6a3b3fc99a0d6c015b5.exe	InstallUtil.exe
PID 5000 wrote to memory of 4144	5000	494ac754c467b6a3b3fc99a0d6c015b5.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\494ac754c467b6a3b3fc99a0d6c015b5.exe
"C:\Users\Admin\AppData\Local\Temp\494ac754c467b6a3b3fc99a0d6c015b5.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:5000

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMQAwAA==
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3636

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:4144

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/3636-140-0x00000000075C0000-0x0000000007C3A000-memory.dmp

Filesize
6.5MB

Download
memory/3636-141-0x0000000006450000-0x000000000646A000-memory.dmp

Filesize
104KB

Download
memory/3636-134-0x0000000000000000-mapping.dmp

Download
memory/3636-135-0x0000000004990000-0x00000000049C6000-memory.dmp

Filesize
216KB

Download
memory/3636-136-0x00000000050B0000-0x00000000056D8000-memory.dmp

Filesize
6.2MB

Download
memory/3636-137-0x0000000005020000-0x0000000005086000-memory.dmp

Filesize
408KB

Download
memory/3636-138-0x00000000057E0000-0x0000000005846000-memory.dmp

Filesize
408KB

Download
memory/3636-139-0x0000000005F50000-0x0000000005F6E000-memory.dmp

Filesize
120KB

Download
memory/4144-142-0x0000000000000000-mapping.dmp

Download
memory/4144-143-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/4144-144-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/4144-145-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/4144-146-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/4144-147-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/4144-148-0x0000000074750000-0x0000000074789000-memory.dmp

Filesize
228KB

Download
memory/4144-149-0x0000000074AD0000-0x0000000074B09000-memory.dmp

Filesize
228KB

Download
memory/4144-150-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/4144-151-0x0000000074750000-0x0000000074789000-memory.dmp

Filesize
228KB

Download
memory/4144-152-0x0000000074AD0000-0x0000000074B09000-memory.dmp

Filesize
228KB

Download
memory/5000-133-0x00000000056B0000-0x00000000056D2000-memory.dmp

Filesize
136KB

Download
memory/5000-132-0x0000000000390000-0x00000000008B0000-memory.dmp

Filesize
5.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads