832844688a4199bfff145ec64d59492a72772d1ea254a913d9a4d38d438d04bd

General

Target

832844688a4199bfff145ec64d59492a72772d1ea254a913d9a4d38d438d04bd.exe
Size

1.2MB
MD5

f1d484afa90b50c5a5d4552d87a4ea1a
SHA1

c0f7cbec80db02dc08395f072b07bdcd9e29d7b4
SHA256

832844688a4199bfff145ec64d59492a72772d1ea254a913d9a4d38d438d04bd
SHA512

24fab820edf076b75fab614edc190ada27ebd4487974b49bf2d309e6e5c0034a34b373beb6fbeb25ccbf65899c0a60b9d6b328ff731837ee38af3a63e11b7516
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

4272 winlogon.exe
4768 winlogon.exe
2132 winlogon.exe
4700 winlogon.exe

pid	process
4272	winlogon.exe
4768	winlogon.exe
2132	winlogon.exe
4700	winlogon.exe

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/2228-134-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral2/memory/2228-136-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral2/memory/2228-137-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral2/memory/2228-140-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral2/memory/2228-147-0x0000000000400000-0x000000000041C000-memory.dmp	upx
behavioral2/memory/4768-154-0x0000000000400000-0x000000000041C000-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:

832844688a4199bfff145ec64d59492a72772d1ea254a913d9a4d38d438d04bd.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	832844688a4199bfff145ec64d59492a72772d1ea254a913d9a4d38d438d04bd.exe

Suspicious use of SetThreadContext 4 IoCs

Processes:

832844688a4199bfff145ec64d59492a72772d1ea254a913d9a4d38d438d04bd.exewinlogon.exewinlogon.exe

description	pid	process	target process
PID 2356 set thread context of 2228	2356	832844688a4199bfff145ec64d59492a72772d1ea254a913d9a4d38d438d04bd.exe	832844688a4199bfff145ec64d59492a72772d1ea254a913d9a4d38d438d04bd.exe
PID 4272 set thread context of 4768	4272	winlogon.exe	winlogon.exe
PID 4768 set thread context of 2132	4768	winlogon.exe	winlogon.exe
PID 4768 set thread context of 4700	4768	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

4464 4700 WerFault.exe winlogon.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

832844688a4199bfff145ec64d59492a72772d1ea254a913d9a4d38d438d04bd.exewinlogon.exe

pid process

2228 832844688a4199bfff145ec64d59492a72772d1ea254a913d9a4d38d438d04bd.exe
4768 winlogon.exe

pid	pid_target	process	target process
4464	4700	WerFault.exe	winlogon.exe

pid	process
2228	832844688a4199bfff145ec64d59492a72772d1ea254a913d9a4d38d438d04bd.exe
4768	winlogon.exe

Suspicious use of WriteProcessMemory 41 IoCs

Processes:

832844688a4199bfff145ec64d59492a72772d1ea254a913d9a4d38d438d04bd.exe832844688a4199bfff145ec64d59492a72772d1ea254a913d9a4d38d438d04bd.exewinlogon.exewinlogon.exe

description	pid	process	target process
PID 2356 wrote to memory of 1944	2356	832844688a4199bfff145ec64d59492a72772d1ea254a913d9a4d38d438d04bd.exe	svchost.exe
PID 2356 wrote to memory of 1944	2356	832844688a4199bfff145ec64d59492a72772d1ea254a913d9a4d38d438d04bd.exe	svchost.exe
PID 2356 wrote to memory of 1944	2356	832844688a4199bfff145ec64d59492a72772d1ea254a913d9a4d38d438d04bd.exe	svchost.exe
PID 2356 wrote to memory of 2228	2356	832844688a4199bfff145ec64d59492a72772d1ea254a913d9a4d38d438d04bd.exe	832844688a4199bfff145ec64d59492a72772d1ea254a913d9a4d38d438d04bd.exe
PID 2356 wrote to memory of 2228	2356	832844688a4199bfff145ec64d59492a72772d1ea254a913d9a4d38d438d04bd.exe	832844688a4199bfff145ec64d59492a72772d1ea254a913d9a4d38d438d04bd.exe
PID 2356 wrote to memory of 2228	2356	832844688a4199bfff145ec64d59492a72772d1ea254a913d9a4d38d438d04bd.exe	832844688a4199bfff145ec64d59492a72772d1ea254a913d9a4d38d438d04bd.exe
PID 2356 wrote to memory of 2228	2356	832844688a4199bfff145ec64d59492a72772d1ea254a913d9a4d38d438d04bd.exe	832844688a4199bfff145ec64d59492a72772d1ea254a913d9a4d38d438d04bd.exe
PID 2356 wrote to memory of 2228	2356	832844688a4199bfff145ec64d59492a72772d1ea254a913d9a4d38d438d04bd.exe	832844688a4199bfff145ec64d59492a72772d1ea254a913d9a4d38d438d04bd.exe
PID 2356 wrote to memory of 2228	2356	832844688a4199bfff145ec64d59492a72772d1ea254a913d9a4d38d438d04bd.exe	832844688a4199bfff145ec64d59492a72772d1ea254a913d9a4d38d438d04bd.exe
PID 2356 wrote to memory of 2228	2356	832844688a4199bfff145ec64d59492a72772d1ea254a913d9a4d38d438d04bd.exe	832844688a4199bfff145ec64d59492a72772d1ea254a913d9a4d38d438d04bd.exe
PID 2356 wrote to memory of 2228	2356	832844688a4199bfff145ec64d59492a72772d1ea254a913d9a4d38d438d04bd.exe	832844688a4199bfff145ec64d59492a72772d1ea254a913d9a4d38d438d04bd.exe
PID 2228 wrote to memory of 4272	2228	832844688a4199bfff145ec64d59492a72772d1ea254a913d9a4d38d438d04bd.exe	winlogon.exe
PID 2228 wrote to memory of 4272	2228	832844688a4199bfff145ec64d59492a72772d1ea254a913d9a4d38d438d04bd.exe	winlogon.exe
PID 2228 wrote to memory of 4272	2228	832844688a4199bfff145ec64d59492a72772d1ea254a913d9a4d38d438d04bd.exe	winlogon.exe
PID 4272 wrote to memory of 4968	4272	winlogon.exe	svchost.exe
PID 4272 wrote to memory of 4968	4272	winlogon.exe	svchost.exe
PID 4272 wrote to memory of 4968	4272	winlogon.exe	svchost.exe
PID 4272 wrote to memory of 4768	4272	winlogon.exe	winlogon.exe
PID 4272 wrote to memory of 4768	4272	winlogon.exe	winlogon.exe
PID 4272 wrote to memory of 4768	4272	winlogon.exe	winlogon.exe
PID 4272 wrote to memory of 4768	4272	winlogon.exe	winlogon.exe
PID 4272 wrote to memory of 4768	4272	winlogon.exe	winlogon.exe
PID 4272 wrote to memory of 4768	4272	winlogon.exe	winlogon.exe
PID 4272 wrote to memory of 4768	4272	winlogon.exe	winlogon.exe
PID 4272 wrote to memory of 4768	4272	winlogon.exe	winlogon.exe
PID 4768 wrote to memory of 2132	4768	winlogon.exe	winlogon.exe
PID 4768 wrote to memory of 2132	4768	winlogon.exe	winlogon.exe
PID 4768 wrote to memory of 2132	4768	winlogon.exe	winlogon.exe
PID 4768 wrote to memory of 2132	4768	winlogon.exe	winlogon.exe
PID 4768 wrote to memory of 2132	4768	winlogon.exe	winlogon.exe
PID 4768 wrote to memory of 2132	4768	winlogon.exe	winlogon.exe
PID 4768 wrote to memory of 2132	4768	winlogon.exe	winlogon.exe
PID 4768 wrote to memory of 2132	4768	winlogon.exe	winlogon.exe
PID 4768 wrote to memory of 4700	4768	winlogon.exe	winlogon.exe
PID 4768 wrote to memory of 4700	4768	winlogon.exe	winlogon.exe
PID 4768 wrote to memory of 4700	4768	winlogon.exe	winlogon.exe
PID 4768 wrote to memory of 4700	4768	winlogon.exe	winlogon.exe
PID 4768 wrote to memory of 4700	4768	winlogon.exe	winlogon.exe
PID 4768 wrote to memory of 4700	4768	winlogon.exe	winlogon.exe
PID 4768 wrote to memory of 4700	4768	winlogon.exe	winlogon.exe
PID 4768 wrote to memory of 4700	4768	winlogon.exe	winlogon.exe

C:\Users\Admin\AppData\Local\Temp\832844688a4199bfff145ec64d59492a72772d1ea254a913d9a4d38d438d04bd.exe
"C:\Users\Admin\AppData\Local\Temp\832844688a4199bfff145ec64d59492a72772d1ea254a913d9a4d38d438d04bd.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2356

C:\Windows\SysWOW64\svchost.exe
C:\Windows\system32\\svchost.exe
2⤵
PID:1944

C:\Users\Admin\AppData\Local\Temp\832844688a4199bfff145ec64d59492a72772d1ea254a913d9a4d38d438d04bd.exe
2⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2228

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:4272

C:\Windows\SysWOW64\svchost.exe
C:\Windows\system32\\svchost.exe
4⤵
PID:4968

C:\Users\Admin\E696D64614\winlogon.exe
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4768

C:\Users\Admin\E696D64614\winlogon.exe
"C:\Users\Admin\E696D64614\winlogon.exe"
5⤵
- Executes dropped EXE
PID:2132

C:\Users\Admin\E696D64614\winlogon.exe
"C:\Users\Admin\E696D64614\winlogon.exe"
5⤵
- Executes dropped EXE
PID:4700

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4700 -s 12
6⤵
- Program crash
PID:4464

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2132 -ip 2132
1⤵
PID:4012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4700 -ip 4700
1⤵
PID:956

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

C:\Users\Admin\E696D64614\winlogon.exe
Filesize
1.2MB

MD5
f1d484afa90b50c5a5d4552d87a4ea1a

SHA1
c0f7cbec80db02dc08395f072b07bdcd9e29d7b4

SHA256
832844688a4199bfff145ec64d59492a72772d1ea254a913d9a4d38d438d04bd

SHA512
24fab820edf076b75fab614edc190ada27ebd4487974b49bf2d309e6e5c0034a34b373beb6fbeb25ccbf65899c0a60b9d6b328ff731837ee38af3a63e11b7516

Download Submit
C:\Users\Admin\E696D64614\winlogon.exe
Filesize
1.2MB

MD5
f1d484afa90b50c5a5d4552d87a4ea1a

SHA1
c0f7cbec80db02dc08395f072b07bdcd9e29d7b4

SHA256
832844688a4199bfff145ec64d59492a72772d1ea254a913d9a4d38d438d04bd

SHA512
24fab820edf076b75fab614edc190ada27ebd4487974b49bf2d309e6e5c0034a34b373beb6fbeb25ccbf65899c0a60b9d6b328ff731837ee38af3a63e11b7516

Download Submit
C:\Users\Admin\E696D64614\winlogon.exe
Filesize
1.2MB

MD5
f1d484afa90b50c5a5d4552d87a4ea1a

SHA1
c0f7cbec80db02dc08395f072b07bdcd9e29d7b4

SHA256
832844688a4199bfff145ec64d59492a72772d1ea254a913d9a4d38d438d04bd

SHA512
24fab820edf076b75fab614edc190ada27ebd4487974b49bf2d309e6e5c0034a34b373beb6fbeb25ccbf65899c0a60b9d6b328ff731837ee38af3a63e11b7516

Download Submit
C:\Users\Admin\E696D64614\winlogon.exe
Filesize
1.2MB

MD5
f1d484afa90b50c5a5d4552d87a4ea1a

SHA1
c0f7cbec80db02dc08395f072b07bdcd9e29d7b4

SHA256
832844688a4199bfff145ec64d59492a72772d1ea254a913d9a4d38d438d04bd

SHA512
24fab820edf076b75fab614edc190ada27ebd4487974b49bf2d309e6e5c0034a34b373beb6fbeb25ccbf65899c0a60b9d6b328ff731837ee38af3a63e11b7516

Download Submit
C:\Users\Admin\E696D64614\winlogon.exe
Filesize
1.2MB

MD5
f1d484afa90b50c5a5d4552d87a4ea1a

SHA1
c0f7cbec80db02dc08395f072b07bdcd9e29d7b4

SHA256
832844688a4199bfff145ec64d59492a72772d1ea254a913d9a4d38d438d04bd

SHA512
24fab820edf076b75fab614edc190ada27ebd4487974b49bf2d309e6e5c0034a34b373beb6fbeb25ccbf65899c0a60b9d6b328ff731837ee38af3a63e11b7516

Download Submit
memory/1944-132-0x0000000000000000-mapping.dmp

Download
memory/2132-155-0x0000000000000000-mapping.dmp

Download
memory/2228-133-0x0000000000000000-mapping.dmp

Download
memory/2228-134-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2228-136-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2228-147-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2228-140-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2228-137-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/4272-141-0x0000000000000000-mapping.dmp

Download
memory/4700-158-0x0000000000000000-mapping.dmp

Download
memory/4768-145-0x0000000000000000-mapping.dmp

Download
memory/4768-154-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/4968-144-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads