a206a328558e6bf5f770ce48e0b379d2fa0a79846de66ba9a8b864b02d75f187

General

Target

a206a328558e6bf5f770ce48e0b379d2fa0a79846de66ba9a8b864b02d75f187.exe
Size

461KB
MD5

a24a3b0b05139f148ccc7ca0af3483c1
SHA1

367089a4d30d9015fc17a62e3f03054be51dc8b2
SHA256

a206a328558e6bf5f770ce48e0b379d2fa0a79846de66ba9a8b864b02d75f187
SHA512

abab10cb74a1e529c30f5356d325862a493606df7d688ad7f4f6db926747673037dfd60ca8ae8de1bec93ecbc48a8405f1664a12bd707cd772a00f9c6bc6afd8
SSDEEP

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

Score

8^/10

upx

Malware Config

Signatures

Executes dropped EXE 3 IoCs

Processes:

winlogon.exewinlogon.exewinlogon.exe

pid process

2432 winlogon.exe
1592 winlogon.exe
4512 winlogon.exe

pid	process
2432	winlogon.exe
1592	winlogon.exe
4512	winlogon.exe

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/1808-134-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral2/memory/1808-136-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral2/memory/1808-137-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral2/memory/1808-140-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral2/memory/1592-153-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral2/memory/1808-154-0x0000000000400000-0x000000000041C000-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:

a206a328558e6bf5f770ce48e0b379d2fa0a79846de66ba9a8b864b02d75f187.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Control Panel\International\Geo\Nation	a206a328558e6bf5f770ce48e0b379d2fa0a79846de66ba9a8b864b02d75f187.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

a206a328558e6bf5f770ce48e0b379d2fa0a79846de66ba9a8b864b02d75f187.exewinlogon.exewinlogon.exe

description	pid	process	target process
PID 1356 set thread context of 1808	1356	a206a328558e6bf5f770ce48e0b379d2fa0a79846de66ba9a8b864b02d75f187.exe	a206a328558e6bf5f770ce48e0b379d2fa0a79846de66ba9a8b864b02d75f187.exe
PID 2432 set thread context of 1592	2432	winlogon.exe	winlogon.exe
PID 1592 set thread context of 4512	1592	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 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4176 4512 WerFault.exe winlogon.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

a206a328558e6bf5f770ce48e0b379d2fa0a79846de66ba9a8b864b02d75f187.exewinlogon.exe

pid process

1808 a206a328558e6bf5f770ce48e0b379d2fa0a79846de66ba9a8b864b02d75f187.exe
1592 winlogon.exe

pid	pid_target	process	target process
4176	4512	WerFault.exe	winlogon.exe

pid	process
1808	a206a328558e6bf5f770ce48e0b379d2fa0a79846de66ba9a8b864b02d75f187.exe
1592	winlogon.exe

Suspicious use of WriteProcessMemory 33 IoCs

Processes:

a206a328558e6bf5f770ce48e0b379d2fa0a79846de66ba9a8b864b02d75f187.exea206a328558e6bf5f770ce48e0b379d2fa0a79846de66ba9a8b864b02d75f187.exewinlogon.exewinlogon.exe

description	pid	process	target process
PID 1356 wrote to memory of 3824	1356	a206a328558e6bf5f770ce48e0b379d2fa0a79846de66ba9a8b864b02d75f187.exe	svchost.exe
PID 1356 wrote to memory of 3824	1356	a206a328558e6bf5f770ce48e0b379d2fa0a79846de66ba9a8b864b02d75f187.exe	svchost.exe
PID 1356 wrote to memory of 3824	1356	a206a328558e6bf5f770ce48e0b379d2fa0a79846de66ba9a8b864b02d75f187.exe	svchost.exe
PID 1356 wrote to memory of 1808	1356	a206a328558e6bf5f770ce48e0b379d2fa0a79846de66ba9a8b864b02d75f187.exe	a206a328558e6bf5f770ce48e0b379d2fa0a79846de66ba9a8b864b02d75f187.exe
PID 1356 wrote to memory of 1808	1356	a206a328558e6bf5f770ce48e0b379d2fa0a79846de66ba9a8b864b02d75f187.exe	a206a328558e6bf5f770ce48e0b379d2fa0a79846de66ba9a8b864b02d75f187.exe
PID 1356 wrote to memory of 1808	1356	a206a328558e6bf5f770ce48e0b379d2fa0a79846de66ba9a8b864b02d75f187.exe	a206a328558e6bf5f770ce48e0b379d2fa0a79846de66ba9a8b864b02d75f187.exe
PID 1356 wrote to memory of 1808	1356	a206a328558e6bf5f770ce48e0b379d2fa0a79846de66ba9a8b864b02d75f187.exe	a206a328558e6bf5f770ce48e0b379d2fa0a79846de66ba9a8b864b02d75f187.exe
PID 1356 wrote to memory of 1808	1356	a206a328558e6bf5f770ce48e0b379d2fa0a79846de66ba9a8b864b02d75f187.exe	a206a328558e6bf5f770ce48e0b379d2fa0a79846de66ba9a8b864b02d75f187.exe
PID 1356 wrote to memory of 1808	1356	a206a328558e6bf5f770ce48e0b379d2fa0a79846de66ba9a8b864b02d75f187.exe	a206a328558e6bf5f770ce48e0b379d2fa0a79846de66ba9a8b864b02d75f187.exe
PID 1356 wrote to memory of 1808	1356	a206a328558e6bf5f770ce48e0b379d2fa0a79846de66ba9a8b864b02d75f187.exe	a206a328558e6bf5f770ce48e0b379d2fa0a79846de66ba9a8b864b02d75f187.exe
PID 1356 wrote to memory of 1808	1356	a206a328558e6bf5f770ce48e0b379d2fa0a79846de66ba9a8b864b02d75f187.exe	a206a328558e6bf5f770ce48e0b379d2fa0a79846de66ba9a8b864b02d75f187.exe
PID 1808 wrote to memory of 2432	1808	a206a328558e6bf5f770ce48e0b379d2fa0a79846de66ba9a8b864b02d75f187.exe	winlogon.exe
PID 1808 wrote to memory of 2432	1808	a206a328558e6bf5f770ce48e0b379d2fa0a79846de66ba9a8b864b02d75f187.exe	winlogon.exe
PID 1808 wrote to memory of 2432	1808	a206a328558e6bf5f770ce48e0b379d2fa0a79846de66ba9a8b864b02d75f187.exe	winlogon.exe
PID 2432 wrote to memory of 3476	2432	winlogon.exe	svchost.exe
PID 2432 wrote to memory of 3476	2432	winlogon.exe	svchost.exe
PID 2432 wrote to memory of 3476	2432	winlogon.exe	svchost.exe
PID 2432 wrote to memory of 1592	2432	winlogon.exe	winlogon.exe
PID 2432 wrote to memory of 1592	2432	winlogon.exe	winlogon.exe
PID 2432 wrote to memory of 1592	2432	winlogon.exe	winlogon.exe
PID 2432 wrote to memory of 1592	2432	winlogon.exe	winlogon.exe
PID 2432 wrote to memory of 1592	2432	winlogon.exe	winlogon.exe
PID 2432 wrote to memory of 1592	2432	winlogon.exe	winlogon.exe
PID 2432 wrote to memory of 1592	2432	winlogon.exe	winlogon.exe
PID 2432 wrote to memory of 1592	2432	winlogon.exe	winlogon.exe
PID 1592 wrote to memory of 4512	1592	winlogon.exe	winlogon.exe
PID 1592 wrote to memory of 4512	1592	winlogon.exe	winlogon.exe
PID 1592 wrote to memory of 4512	1592	winlogon.exe	winlogon.exe
PID 1592 wrote to memory of 4512	1592	winlogon.exe	winlogon.exe
PID 1592 wrote to memory of 4512	1592	winlogon.exe	winlogon.exe
PID 1592 wrote to memory of 4512	1592	winlogon.exe	winlogon.exe
PID 1592 wrote to memory of 4512	1592	winlogon.exe	winlogon.exe
PID 1592 wrote to memory of 4512	1592	winlogon.exe	winlogon.exe

C:\Users\Admin\AppData\Local\Temp\a206a328558e6bf5f770ce48e0b379d2fa0a79846de66ba9a8b864b02d75f187.exe
"C:\Users\Admin\AppData\Local\Temp\a206a328558e6bf5f770ce48e0b379d2fa0a79846de66ba9a8b864b02d75f187.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1356

C:\Windows\SysWOW64\svchost.exe
C:\Windows\system32\\svchost.exe
2⤵
PID:3824

C:\Users\Admin\AppData\Local\Temp\a206a328558e6bf5f770ce48e0b379d2fa0a79846de66ba9a8b864b02d75f187.exe
2⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1808

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:2432

C:\Windows\SysWOW64\svchost.exe
C:\Windows\system32\\svchost.exe
4⤵
PID:3476

C:\Users\Admin\E696D64614\winlogon.exe
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1592

C:\Users\Admin\E696D64614\winlogon.exe
"C:\Users\Admin\E696D64614\winlogon.exe"
5⤵
- Executes dropped EXE
PID:4512

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4512 -s 12
6⤵
- Program crash
PID:4176

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4512 -ip 4512
1⤵
PID:2200

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
461KB

MD5
a24a3b0b05139f148ccc7ca0af3483c1

SHA1
367089a4d30d9015fc17a62e3f03054be51dc8b2

SHA256
a206a328558e6bf5f770ce48e0b379d2fa0a79846de66ba9a8b864b02d75f187

SHA512
abab10cb74a1e529c30f5356d325862a493606df7d688ad7f4f6db926747673037dfd60ca8ae8de1bec93ecbc48a8405f1664a12bd707cd772a00f9c6bc6afd8

Download Submit
C:\Users\Admin\E696D64614\winlogon.exe
Filesize
461KB

MD5
a24a3b0b05139f148ccc7ca0af3483c1

SHA1
367089a4d30d9015fc17a62e3f03054be51dc8b2

SHA256
a206a328558e6bf5f770ce48e0b379d2fa0a79846de66ba9a8b864b02d75f187

SHA512
abab10cb74a1e529c30f5356d325862a493606df7d688ad7f4f6db926747673037dfd60ca8ae8de1bec93ecbc48a8405f1664a12bd707cd772a00f9c6bc6afd8

Download Submit
C:\Users\Admin\E696D64614\winlogon.exe
Filesize
461KB

MD5
a24a3b0b05139f148ccc7ca0af3483c1

SHA1
367089a4d30d9015fc17a62e3f03054be51dc8b2

SHA256
a206a328558e6bf5f770ce48e0b379d2fa0a79846de66ba9a8b864b02d75f187

SHA512
abab10cb74a1e529c30f5356d325862a493606df7d688ad7f4f6db926747673037dfd60ca8ae8de1bec93ecbc48a8405f1664a12bd707cd772a00f9c6bc6afd8

Download Submit
C:\Users\Admin\E696D64614\winlogon.exe
Filesize
461KB

MD5
a24a3b0b05139f148ccc7ca0af3483c1

SHA1
367089a4d30d9015fc17a62e3f03054be51dc8b2

SHA256
a206a328558e6bf5f770ce48e0b379d2fa0a79846de66ba9a8b864b02d75f187

SHA512
abab10cb74a1e529c30f5356d325862a493606df7d688ad7f4f6db926747673037dfd60ca8ae8de1bec93ecbc48a8405f1664a12bd707cd772a00f9c6bc6afd8

Download Submit
memory/1592-153-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1592-145-0x0000000000000000-mapping.dmp

Download
memory/1808-140-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1808-137-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1808-136-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1808-134-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1808-154-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1808-133-0x0000000000000000-mapping.dmp

Download
memory/2432-141-0x0000000000000000-mapping.dmp

Download
memory/3476-144-0x0000000000000000-mapping.dmp

Download
memory/3824-132-0x0000000000000000-mapping.dmp

Download
memory/4512-155-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads