bitrat | 4e3513b2d8f1b7e3ea6b81519675e8f0fffcda7d33ef15b7a6a0e23d8db10a26

General

Target

NUC 05001 33 33 001 2021 00049 00.exe
Size

4.5MB
MD5

70a5ee83354d6c164927075675bd9154
SHA1

bd7547e04ae2e83596678aea2e6b4c233661a720
SHA256

4e3513b2d8f1b7e3ea6b81519675e8f0fffcda7d33ef15b7a6a0e23d8db10a26
SHA512

733a1e8e44193ca695b993bafb6c5f66af7ec085bdf2fd77f2a6573f20b61ee0c39068db7694208cbf6018664602c59956337916a563f97accfe13c71a45adc4
SSDEEP

98304:oFTNKpbNPn8kmfoHcHUlWGUJPjIoO+LNRJ0dKGyLW8dSgHpC+n7:oFTuNNmQ8ClUxIF+LNoKGD8Q8N

Score

10^/10

bitrat persistence trojan upx

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

diosesamora.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/4020-146-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/4020-147-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/4020-148-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/4020-149-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/4020-150-0x0000000000400000-0x00000000007E4000-memory.dmp	upx
behavioral2/memory/4020-153-0x0000000000400000-0x00000000007E4000-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:

NUC 05001 33 33 001 2021 00049 00.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	NUC 05001 33 33 001 2021 00049 00.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

NUC 05001 33 33 001 2021 00049 00.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\\Hbvvcp\\chrome.exe\""	NUC 05001 33 33 001 2021 00049 00.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

NUC 05001 33 33 001 2021 00049 00.exe

pid	process
4020	NUC 05001 33 33 001 2021 00049 00.exe
4020	NUC 05001 33 33 001 2021 00049 00.exe
4020	NUC 05001 33 33 001 2021 00049 00.exe
4020	NUC 05001 33 33 001 2021 00049 00.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

NUC 05001 33 33 001 2021 00049 00.exe

description pid process target process

PID 1420 set thread context of 4020 1420 NUC 05001 33 33 001 2021 00049 00.exe NUC 05001 33 33 001 2021 00049 00.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	pid	process	target process
PID 1420 set thread context of 4020	1420	NUC 05001 33 33 001 2021 00049 00.exe	NUC 05001 33 33 001 2021 00049 00.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

powershell.exeNUC 05001 33 33 001 2021 00049 00.exepowershell.exe

pid	process
216	powershell.exe
216	powershell.exe
1420	NUC 05001 33 33 001 2021 00049 00.exe
2092	powershell.exe
2092	powershell.exe
1420	NUC 05001 33 33 001 2021 00049 00.exe
1420	NUC 05001 33 33 001 2021 00049 00.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

powershell.exeNUC 05001 33 33 001 2021 00049 00.exepowershell.exeNUC 05001 33 33 001 2021 00049 00.exe

description	pid	process
Token: SeDebugPrivilege	216	powershell.exe
Token: SeDebugPrivilege	1420	NUC 05001 33 33 001 2021 00049 00.exe
Token: SeDebugPrivilege	2092	powershell.exe
Token: SeShutdownPrivilege	4020	NUC 05001 33 33 001 2021 00049 00.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

NUC 05001 33 33 001 2021 00049 00.exe

pid process

4020 NUC 05001 33 33 001 2021 00049 00.exe
4020 NUC 05001 33 33 001 2021 00049 00.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

NUC 05001 33 33 001 2021 00049 00.exe

C:\Users\Admin\AppData\Local\Temp\NUC 05001 33 33 001 2021 00049 00.exe
"C:\Users\Admin\AppData\Local\Temp\NUC 05001 33 33 001 2021 00049 00.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:1420

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Start-Sleep -Seconds 30
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:216

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:2092

C:\Users\Admin\AppData\Local\Temp\NUC 05001 33 33 001 2021 00049 00.exe
"C:\Users\Admin\AppData\Local\Temp\NUC 05001 33 33 001 2021 00049 00.exe"
2⤵
PID:1380

C:\Users\Admin\AppData\Local\Temp\NUC 05001 33 33 001 2021 00049 00.exe
"C:\Users\Admin\AppData\Local\Temp\NUC 05001 33 33 001 2021 00049 00.exe"
2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4020

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

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache

Filesize
53KB

MD5
06ad34f9739c5159b4d92d702545bd49

SHA1
9152a0d4f153f3f40f7e606be75f81b582ee0c17

SHA256
474813b625f00710f29fa3b488235a6a22201851efb336bddf60d7d24a66bfba

SHA512
c272cd28ae164d465b779163ba9eca6a28261376414c6bbdfbd9f2128adb7f7ff1420e536b4d6000d0301ded2ec9036bc5c657588458bff41f176bdce8d74f92

Download Submit
memory/216-138-0x00000000056C0000-0x0000000005726000-memory.dmp

Filesize
408KB

Download
memory/216-134-0x00000000023E0000-0x0000000002416000-memory.dmp

Filesize
216KB

Download
memory/216-135-0x0000000004DC0000-0x00000000053E8000-memory.dmp

Filesize
6.2MB

Download
memory/216-136-0x0000000004D20000-0x0000000004D42000-memory.dmp

Filesize
136KB

Download
memory/216-137-0x0000000005560000-0x00000000055C6000-memory.dmp

Filesize
408KB

Download
memory/216-139-0x0000000005CD0000-0x0000000005CEE000-memory.dmp

Filesize
120KB

Download
memory/216-140-0x0000000007520000-0x0000000007B9A000-memory.dmp

Filesize
6.5MB

Download
memory/216-141-0x00000000061E0000-0x00000000061FA000-memory.dmp

Filesize
104KB

Download
memory/216-133-0x0000000000000000-mapping.dmp

Download
memory/1380-144-0x0000000000000000-mapping.dmp

Download
memory/1420-132-0x0000000000060000-0x00000000004E2000-memory.dmp

Filesize
4.5MB

Download
memory/2092-142-0x0000000000000000-mapping.dmp

Download
memory/4020-146-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/4020-154-0x0000000075070000-0x00000000750A9000-memory.dmp

Filesize
228KB

Download
memory/4020-147-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/4020-148-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/4020-149-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/4020-150-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/4020-151-0x0000000074CF0000-0x0000000074D29000-memory.dmp

Filesize
228KB

Download
memory/4020-152-0x0000000075070000-0x00000000750A9000-memory.dmp

Filesize
228KB

Download
memory/4020-153-0x0000000000400000-0x00000000007E4000-memory.dmp

Filesize
3.9MB

Download
memory/4020-145-0x0000000000000000-mapping.dmp

Download
memory/4020-155-0x0000000075070000-0x00000000750A9000-memory.dmp

Filesize
228KB

Download
memory/4020-156-0x0000000075070000-0x00000000750A9000-memory.dmp

Filesize
228KB

Download
memory/4020-157-0x0000000075070000-0x00000000750A9000-memory.dmp

Filesize
228KB

Download
memory/4020-158-0x0000000075070000-0x00000000750A9000-memory.dmp

Filesize
228KB

Download
memory/4020-159-0x0000000075070000-0x00000000750A9000-memory.dmp

Filesize
228KB

Download
memory/4020-160-0x0000000075070000-0x00000000750A9000-memory.dmp

Filesize
228KB

Download
memory/4020-161-0x0000000075070000-0x00000000750A9000-memory.dmp

Filesize
228KB

Download

description	pid	process	target process
PID 1420 wrote to memory of 216	1420	NUC 05001 33 33 001 2021 00049 00.exe	powershell.exe
PID 1420 wrote to memory of 216	1420	NUC 05001 33 33 001 2021 00049 00.exe	powershell.exe
PID 1420 wrote to memory of 216	1420	NUC 05001 33 33 001 2021 00049 00.exe	powershell.exe
PID 1420 wrote to memory of 2092	1420	NUC 05001 33 33 001 2021 00049 00.exe	powershell.exe
PID 1420 wrote to memory of 2092	1420	NUC 05001 33 33 001 2021 00049 00.exe	powershell.exe
PID 1420 wrote to memory of 2092	1420	NUC 05001 33 33 001 2021 00049 00.exe	powershell.exe
PID 1420 wrote to memory of 1380	1420	NUC 05001 33 33 001 2021 00049 00.exe	NUC 05001 33 33 001 2021 00049 00.exe
PID 1420 wrote to memory of 1380	1420	NUC 05001 33 33 001 2021 00049 00.exe	NUC 05001 33 33 001 2021 00049 00.exe
PID 1420 wrote to memory of 1380	1420	NUC 05001 33 33 001 2021 00049 00.exe	NUC 05001 33 33 001 2021 00049 00.exe
PID 1420 wrote to memory of 4020	1420	NUC 05001 33 33 001 2021 00049 00.exe	NUC 05001 33 33 001 2021 00049 00.exe
PID 1420 wrote to memory of 4020	1420	NUC 05001 33 33 001 2021 00049 00.exe	NUC 05001 33 33 001 2021 00049 00.exe
PID 1420 wrote to memory of 4020	1420	NUC 05001 33 33 001 2021 00049 00.exe	NUC 05001 33 33 001 2021 00049 00.exe
PID 1420 wrote to memory of 4020	1420	NUC 05001 33 33 001 2021 00049 00.exe	NUC 05001 33 33 001 2021 00049 00.exe
PID 1420 wrote to memory of 4020	1420	NUC 05001 33 33 001 2021 00049 00.exe	NUC 05001 33 33 001 2021 00049 00.exe
PID 1420 wrote to memory of 4020	1420	NUC 05001 33 33 001 2021 00049 00.exe	NUC 05001 33 33 001 2021 00049 00.exe
PID 1420 wrote to memory of 4020	1420	NUC 05001 33 33 001 2021 00049 00.exe	NUC 05001 33 33 001 2021 00049 00.exe

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads