bitrat | 023ffeb6a2cf7318bc93f4c944989dfaf0d583c1ed3140795fd0342410593d14

General

Target

039cf4716062ee3afde9a567a84987af.exe
Size

84KB
MD5

039cf4716062ee3afde9a567a84987af
SHA1

f26b7ea6ef6a645988a13677c04d38d10a6f9420
SHA256

023ffeb6a2cf7318bc93f4c944989dfaf0d583c1ed3140795fd0342410593d14
SHA512

4acedfc5fe7fab5c440bc909f28c463e8b3948ce36eacf09bd9e00b3a1a28fd4a49be55052bdd80ac46b8d0d256863b97f5e4e9db8b84328de82a064bd4f182a

Score

10^/10

bitrat persistence trojan upx

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

crueysaderf.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/636-144-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/636-145-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/636-146-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/636-147-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/636-148-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/636-151-0x0000000000400000-0x00000000007E4000-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:

039cf4716062ee3afde9a567a84987af.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1101907861-274115917-2188613224-1000\Control Panel\International\Geo\Nation	039cf4716062ee3afde9a567a84987af.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

039cf4716062ee3afde9a567a84987af.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\\Mlcxlzm\\chrome.exe\""	039cf4716062ee3afde9a567a84987af.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

InstallUtil.exe

pid process

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

Processes:

039cf4716062ee3afde9a567a84987af.exe

description pid process target process

PID 3588 set thread context of 636 3588 039cf4716062ee3afde9a567a84987af.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 4 IoCs

Processes:

powershell.exe039cf4716062ee3afde9a567a84987af.exe

pid process

3612 powershell.exe
3612 powershell.exe
3588 039cf4716062ee3afde9a567a84987af.exe
3588 039cf4716062ee3afde9a567a84987af.exe

pid	process
636	InstallUtil.exe
636	InstallUtil.exe
636	InstallUtil.exe
636	InstallUtil.exe

description	pid	process	target process
PID 3588 set thread context of 636	3588	039cf4716062ee3afde9a567a84987af.exe	InstallUtil.exe

pid	process
3612	powershell.exe
3612	powershell.exe
3588	039cf4716062ee3afde9a567a84987af.exe
3588	039cf4716062ee3afde9a567a84987af.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

039cf4716062ee3afde9a567a84987af.exepowershell.exeInstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	3588	039cf4716062ee3afde9a567a84987af.exe
Token: SeDebugPrivilege	3612	powershell.exe
Token: SeShutdownPrivilege	636	InstallUtil.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

InstallUtil.exe

pid process

636 InstallUtil.exe
636 InstallUtil.exe

pid	process
636	InstallUtil.exe
636	InstallUtil.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

039cf4716062ee3afde9a567a84987af.exe

description	pid	process	target process
PID 3588 wrote to memory of 3612	3588	039cf4716062ee3afde9a567a84987af.exe	powershell.exe
PID 3588 wrote to memory of 3612	3588	039cf4716062ee3afde9a567a84987af.exe	powershell.exe
PID 3588 wrote to memory of 3612	3588	039cf4716062ee3afde9a567a84987af.exe	powershell.exe
PID 3588 wrote to memory of 636	3588	039cf4716062ee3afde9a567a84987af.exe	InstallUtil.exe
PID 3588 wrote to memory of 636	3588	039cf4716062ee3afde9a567a84987af.exe	InstallUtil.exe
PID 3588 wrote to memory of 636	3588	039cf4716062ee3afde9a567a84987af.exe	InstallUtil.exe
PID 3588 wrote to memory of 636	3588	039cf4716062ee3afde9a567a84987af.exe	InstallUtil.exe
PID 3588 wrote to memory of 636	3588	039cf4716062ee3afde9a567a84987af.exe	InstallUtil.exe
PID 3588 wrote to memory of 636	3588	039cf4716062ee3afde9a567a84987af.exe	InstallUtil.exe
PID 3588 wrote to memory of 636	3588	039cf4716062ee3afde9a567a84987af.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\039cf4716062ee3afde9a567a84987af.exe
"C:\Users\Admin\AppData\Local\Temp\039cf4716062ee3afde9a567a84987af.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:3588

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:3612

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:636

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

Replay Monitor

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Downloads

memory/636-151-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/636-149-0x0000000075260000-0x0000000075299000-memory.dmp

Filesize
228KB

Download
memory/636-156-0x00000000755E0000-0x0000000075619000-memory.dmp

Filesize
228KB

Download
memory/636-143-0x0000000000000000-mapping.dmp

Download
memory/636-154-0x0000000075260000-0x0000000075299000-memory.dmp

Filesize
228KB

Download
memory/636-153-0x00000000755E0000-0x0000000075619000-memory.dmp

Filesize
228KB

Download
memory/636-152-0x00000000755E0000-0x0000000075619000-memory.dmp

Filesize
228KB

Download
memory/636-150-0x00000000755E0000-0x0000000075619000-memory.dmp

Filesize
228KB

Download
memory/636-144-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/636-147-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/636-146-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/636-145-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/636-157-0x00000000755E0000-0x0000000075619000-memory.dmp

Filesize
228KB

Download
memory/636-155-0x00000000755E0000-0x0000000075619000-memory.dmp

Filesize
228KB

Download
memory/636-148-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/3588-130-0x0000000000100000-0x000000000011A000-memory.dmp

Filesize
104KB

Download
memory/3588-132-0x0000000004980000-0x0000000004A12000-memory.dmp

Filesize
584KB

Download
memory/3588-133-0x0000000004B10000-0x0000000004B1A000-memory.dmp

Filesize
40KB

Download
memory/3588-134-0x000000000B1B0000-0x000000000B1D2000-memory.dmp

Filesize
136KB

Download
memory/3588-131-0x0000000004F30000-0x00000000054D4000-memory.dmp

Filesize
5.6MB

Download
memory/3612-137-0x0000000005990000-0x0000000005FB8000-memory.dmp

Filesize
6.2MB

Download
memory/3612-141-0x0000000007DB0000-0x000000000842A000-memory.dmp

Filesize
6.5MB

Download
memory/3612-138-0x00000000060C0000-0x0000000006126000-memory.dmp

Filesize
408KB

Download
memory/3612-135-0x0000000000000000-mapping.dmp

Download
memory/3612-136-0x00000000051A0000-0x00000000051D6000-memory.dmp

Filesize
216KB

Download
memory/3612-139-0x0000000006130000-0x0000000006196000-memory.dmp

Filesize
408KB

Download
memory/3612-140-0x0000000006770000-0x000000000678E000-memory.dmp

Filesize
120KB

Download
memory/3612-142-0x0000000006C80000-0x0000000006C9A000-memory.dmp

Filesize
104KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads