8e05202bc36b4823c49063de29834b15f8cb6d267496bff68c151c625324224f

General

Target

8e05202bc36b4823c49063de29834b15f8cb6d267496bff68c151c625324224f.exe
Size

1.4MB
MD5

baf24ad6e9cdf465368546b37bec7feb
SHA1

74452619896ebd654bb1c2c501de9a0bf8266056
SHA256

8e05202bc36b4823c49063de29834b15f8cb6d267496bff68c151c625324224f
SHA512

5b9403dbe0e784f9ed081d94131127b9a9e265c99ab072012f9f8bf8f32382105347f8b1d3ca2d6767122c541d6c7cc6601b04782c6331862722c5046cdc8176
SSDEEP

3072:iyf8n+BnNpiXN5U+M/hQuaCA3VMxDJAQO7LN:i/+BnNpCqP/hQuavirOH

Score

8^/10

upx

Malware Config

Signatures

Executes dropped EXE 4 IoCs

Processes:

winlogon.exewinlogon.exewinlogon.exewinlogon.exe

pid process

4884 winlogon.exe
4952 winlogon.exe
2064 winlogon.exe
4448 winlogon.exe

pid	process
4884	winlogon.exe
4952	winlogon.exe
2064	winlogon.exe
4448	winlogon.exe

UPX packed file 5 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/1500-134-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral2/memory/1500-136-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral2/memory/1500-137-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral2/memory/1500-144-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral2/memory/4952-156-0x0000000000400000-0x000000000041C000-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:

8e05202bc36b4823c49063de29834b15f8cb6d267496bff68c151c625324224f.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	8e05202bc36b4823c49063de29834b15f8cb6d267496bff68c151c625324224f.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

8e05202bc36b4823c49063de29834b15f8cb6d267496bff68c151c625324224f.exewinlogon.exewinlogon.exe

description	pid	process	target process
PID 644 set thread context of 1500	644	8e05202bc36b4823c49063de29834b15f8cb6d267496bff68c151c625324224f.exe	8e05202bc36b4823c49063de29834b15f8cb6d267496bff68c151c625324224f.exe
PID 4884 set thread context of 4952	4884	winlogon.exe	winlogon.exe
PID 4952 set thread context of 2064	4952	winlogon.exe	winlogon.exe
PID 4952 set thread context of 4448	4952	winlogon.exe	winlogon.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

3624 2064 WerFault.exe winlogon.exe
976 4448 WerFault.exe winlogon.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

8e05202bc36b4823c49063de29834b15f8cb6d267496bff68c151c625324224f.exewinlogon.exe

pid process

1500 8e05202bc36b4823c49063de29834b15f8cb6d267496bff68c151c625324224f.exe
4952 winlogon.exe

pid	pid_target	process	target process
3624	2064	WerFault.exe	winlogon.exe
976	4448	WerFault.exe	winlogon.exe

pid	process
1500	8e05202bc36b4823c49063de29834b15f8cb6d267496bff68c151c625324224f.exe
4952	winlogon.exe

Suspicious use of WriteProcessMemory 41 IoCs

Processes:

8e05202bc36b4823c49063de29834b15f8cb6d267496bff68c151c625324224f.exe8e05202bc36b4823c49063de29834b15f8cb6d267496bff68c151c625324224f.exewinlogon.exewinlogon.exe

description	pid	process	target process
PID 644 wrote to memory of 360	644	8e05202bc36b4823c49063de29834b15f8cb6d267496bff68c151c625324224f.exe	svchost.exe
PID 644 wrote to memory of 360	644	8e05202bc36b4823c49063de29834b15f8cb6d267496bff68c151c625324224f.exe	svchost.exe
PID 644 wrote to memory of 360	644	8e05202bc36b4823c49063de29834b15f8cb6d267496bff68c151c625324224f.exe	svchost.exe
PID 644 wrote to memory of 1500	644	8e05202bc36b4823c49063de29834b15f8cb6d267496bff68c151c625324224f.exe	8e05202bc36b4823c49063de29834b15f8cb6d267496bff68c151c625324224f.exe
PID 644 wrote to memory of 1500	644	8e05202bc36b4823c49063de29834b15f8cb6d267496bff68c151c625324224f.exe	8e05202bc36b4823c49063de29834b15f8cb6d267496bff68c151c625324224f.exe
PID 644 wrote to memory of 1500	644	8e05202bc36b4823c49063de29834b15f8cb6d267496bff68c151c625324224f.exe	8e05202bc36b4823c49063de29834b15f8cb6d267496bff68c151c625324224f.exe
PID 644 wrote to memory of 1500	644	8e05202bc36b4823c49063de29834b15f8cb6d267496bff68c151c625324224f.exe	8e05202bc36b4823c49063de29834b15f8cb6d267496bff68c151c625324224f.exe
PID 644 wrote to memory of 1500	644	8e05202bc36b4823c49063de29834b15f8cb6d267496bff68c151c625324224f.exe	8e05202bc36b4823c49063de29834b15f8cb6d267496bff68c151c625324224f.exe
PID 644 wrote to memory of 1500	644	8e05202bc36b4823c49063de29834b15f8cb6d267496bff68c151c625324224f.exe	8e05202bc36b4823c49063de29834b15f8cb6d267496bff68c151c625324224f.exe
PID 644 wrote to memory of 1500	644	8e05202bc36b4823c49063de29834b15f8cb6d267496bff68c151c625324224f.exe	8e05202bc36b4823c49063de29834b15f8cb6d267496bff68c151c625324224f.exe
PID 644 wrote to memory of 1500	644	8e05202bc36b4823c49063de29834b15f8cb6d267496bff68c151c625324224f.exe	8e05202bc36b4823c49063de29834b15f8cb6d267496bff68c151c625324224f.exe
PID 1500 wrote to memory of 4884	1500	8e05202bc36b4823c49063de29834b15f8cb6d267496bff68c151c625324224f.exe	winlogon.exe
PID 1500 wrote to memory of 4884	1500	8e05202bc36b4823c49063de29834b15f8cb6d267496bff68c151c625324224f.exe	winlogon.exe
PID 1500 wrote to memory of 4884	1500	8e05202bc36b4823c49063de29834b15f8cb6d267496bff68c151c625324224f.exe	winlogon.exe
PID 4884 wrote to memory of 4872	4884	winlogon.exe	svchost.exe
PID 4884 wrote to memory of 4872	4884	winlogon.exe	svchost.exe
PID 4884 wrote to memory of 4872	4884	winlogon.exe	svchost.exe
PID 4884 wrote to memory of 4952	4884	winlogon.exe	winlogon.exe
PID 4884 wrote to memory of 4952	4884	winlogon.exe	winlogon.exe
PID 4884 wrote to memory of 4952	4884	winlogon.exe	winlogon.exe
PID 4884 wrote to memory of 4952	4884	winlogon.exe	winlogon.exe
PID 4884 wrote to memory of 4952	4884	winlogon.exe	winlogon.exe
PID 4884 wrote to memory of 4952	4884	winlogon.exe	winlogon.exe
PID 4884 wrote to memory of 4952	4884	winlogon.exe	winlogon.exe
PID 4884 wrote to memory of 4952	4884	winlogon.exe	winlogon.exe
PID 4952 wrote to memory of 2064	4952	winlogon.exe	winlogon.exe
PID 4952 wrote to memory of 2064	4952	winlogon.exe	winlogon.exe
PID 4952 wrote to memory of 2064	4952	winlogon.exe	winlogon.exe
PID 4952 wrote to memory of 2064	4952	winlogon.exe	winlogon.exe
PID 4952 wrote to memory of 2064	4952	winlogon.exe	winlogon.exe
PID 4952 wrote to memory of 2064	4952	winlogon.exe	winlogon.exe
PID 4952 wrote to memory of 2064	4952	winlogon.exe	winlogon.exe
PID 4952 wrote to memory of 2064	4952	winlogon.exe	winlogon.exe
PID 4952 wrote to memory of 4448	4952	winlogon.exe	winlogon.exe
PID 4952 wrote to memory of 4448	4952	winlogon.exe	winlogon.exe
PID 4952 wrote to memory of 4448	4952	winlogon.exe	winlogon.exe
PID 4952 wrote to memory of 4448	4952	winlogon.exe	winlogon.exe
PID 4952 wrote to memory of 4448	4952	winlogon.exe	winlogon.exe
PID 4952 wrote to memory of 4448	4952	winlogon.exe	winlogon.exe
PID 4952 wrote to memory of 4448	4952	winlogon.exe	winlogon.exe
PID 4952 wrote to memory of 4448	4952	winlogon.exe	winlogon.exe

C:\Users\Admin\AppData\Local\Temp\8e05202bc36b4823c49063de29834b15f8cb6d267496bff68c151c625324224f.exe
"C:\Users\Admin\AppData\Local\Temp\8e05202bc36b4823c49063de29834b15f8cb6d267496bff68c151c625324224f.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:644

C:\Windows\SysWOW64\svchost.exe
C:\Windows\system32\\svchost.exe
2⤵
PID:360

C:\Users\Admin\AppData\Local\Temp\8e05202bc36b4823c49063de29834b15f8cb6d267496bff68c151c625324224f.exe
2⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1500

C:\Users\Admin\E696D64614\winlogon.exe
"C:\Users\Admin\E696D64614\winlogon.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4884

C:\Windows\SysWOW64\svchost.exe
C:\Windows\system32\\svchost.exe
4⤵
PID:4872

C:\Users\Admin\E696D64614\winlogon.exe
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4952

C:\Users\Admin\E696D64614\winlogon.exe
"C:\Users\Admin\E696D64614\winlogon.exe"
5⤵
- Executes dropped EXE
PID:2064

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2064 -s 12
6⤵
- Program crash
PID:3624

C:\Users\Admin\E696D64614\winlogon.exe
"C:\Users\Admin\E696D64614\winlogon.exe"
5⤵
- Executes dropped EXE
PID:4448

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4448 -s 12
6⤵
- Program crash
PID:976

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2064 -ip 2064
1⤵
PID:4804

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4448 -ip 4448
1⤵
PID:4288

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

C:\Users\Admin\E696D64614\winlogon.exe
Filesize
1.4MB

MD5
baf24ad6e9cdf465368546b37bec7feb

SHA1
74452619896ebd654bb1c2c501de9a0bf8266056

SHA256
8e05202bc36b4823c49063de29834b15f8cb6d267496bff68c151c625324224f

SHA512
5b9403dbe0e784f9ed081d94131127b9a9e265c99ab072012f9f8bf8f32382105347f8b1d3ca2d6767122c541d6c7cc6601b04782c6331862722c5046cdc8176

Download Submit
C:\Users\Admin\E696D64614\winlogon.exe
Filesize
1.4MB

MD5
baf24ad6e9cdf465368546b37bec7feb

SHA1
74452619896ebd654bb1c2c501de9a0bf8266056

SHA256
8e05202bc36b4823c49063de29834b15f8cb6d267496bff68c151c625324224f

SHA512
5b9403dbe0e784f9ed081d94131127b9a9e265c99ab072012f9f8bf8f32382105347f8b1d3ca2d6767122c541d6c7cc6601b04782c6331862722c5046cdc8176

Download Submit
C:\Users\Admin\E696D64614\winlogon.exe
Filesize
1.4MB

MD5
baf24ad6e9cdf465368546b37bec7feb

SHA1
74452619896ebd654bb1c2c501de9a0bf8266056

SHA256
8e05202bc36b4823c49063de29834b15f8cb6d267496bff68c151c625324224f

SHA512
5b9403dbe0e784f9ed081d94131127b9a9e265c99ab072012f9f8bf8f32382105347f8b1d3ca2d6767122c541d6c7cc6601b04782c6331862722c5046cdc8176

Download Submit
C:\Users\Admin\E696D64614\winlogon.exe
Filesize
1.4MB

MD5
baf24ad6e9cdf465368546b37bec7feb

SHA1
74452619896ebd654bb1c2c501de9a0bf8266056

SHA256
8e05202bc36b4823c49063de29834b15f8cb6d267496bff68c151c625324224f

SHA512
5b9403dbe0e784f9ed081d94131127b9a9e265c99ab072012f9f8bf8f32382105347f8b1d3ca2d6767122c541d6c7cc6601b04782c6331862722c5046cdc8176

Download Submit
C:\Users\Admin\E696D64614\winlogon.exe
Filesize
1.4MB

MD5
baf24ad6e9cdf465368546b37bec7feb

SHA1
74452619896ebd654bb1c2c501de9a0bf8266056

SHA256
8e05202bc36b4823c49063de29834b15f8cb6d267496bff68c151c625324224f

SHA512
5b9403dbe0e784f9ed081d94131127b9a9e265c99ab072012f9f8bf8f32382105347f8b1d3ca2d6767122c541d6c7cc6601b04782c6331862722c5046cdc8176

Download Submit
memory/360-132-0x0000000000000000-mapping.dmp

Download
memory/1500-133-0x0000000000000000-mapping.dmp

Download
memory/1500-134-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1500-136-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1500-137-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1500-144-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2064-153-0x0000000000000000-mapping.dmp

Download
memory/4448-157-0x0000000000000000-mapping.dmp

Download
memory/4872-143-0x0000000000000000-mapping.dmp

Download
memory/4884-140-0x0000000000000000-mapping.dmp

Download
memory/4952-145-0x0000000000000000-mapping.dmp

Download
memory/4952-156-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads