f242374e518229643caa67f314f06c47ed5d1ba6287a2168ac6f84b2578fdbb3

General

Target

f242374e518229643caa67f314f06c47ed5d1ba6287a2168ac6f84b2578fdbb3.exe
Size

192KB
MD5

f8b629eee798245f18f2b7415642993a
SHA1

3853e76f713d1274f6e897b4957a74bd9fcfd98e
SHA256

f242374e518229643caa67f314f06c47ed5d1ba6287a2168ac6f84b2578fdbb3
SHA512

eba6df3594fa71d806d0910fc740371fb0223cd200344315e2cc0a109db01abfc223a3053a57c9651ff0eadb3fbac66f39de6a5a9e1d231a0f2fd342816549fe
SSDEEP

3072:kAoU1Bieu+xxf0pTraRV5uH/QJillUd2KltjGSVVfKmw9y:1in+oTCG/z62+9+y

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

Processes:

winlog.exewinlog.exe

pid process

1212 winlog.exe
1136 winlog.exe

pid	process
1212	winlog.exe
1136	winlog.exe

Loads dropped DLL 2 IoCs

Processes:

f242374e518229643caa67f314f06c47ed5d1ba6287a2168ac6f84b2578fdbb3.exe

pid	process
1696	f242374e518229643caa67f314f06c47ed5d1ba6287a2168ac6f84b2578fdbb3.exe
1696	f242374e518229643caa67f314f06c47ed5d1ba6287a2168ac6f84b2578fdbb3.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

winlog.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	winlog.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\winlog.exe = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\winlog.exe"	winlog.exe

Enumerates connected drives 3 TTPs 22 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

winlog.exe

description	ioc	process
File opened (read-only)	\??\F:	winlog.exe
File opened (read-only)	\??\K:	winlog.exe
File opened (read-only)	\??\M:	winlog.exe
File opened (read-only)	\??\N:	winlog.exe
File opened (read-only)	\??\X:	winlog.exe
File opened (read-only)	\??\G:	winlog.exe
File opened (read-only)	\??\H:	winlog.exe
File opened (read-only)	\??\I:	winlog.exe
File opened (read-only)	\??\T:	winlog.exe
File opened (read-only)	\??\Y:	winlog.exe
File opened (read-only)	\??\S:	winlog.exe
File opened (read-only)	\??\V:	winlog.exe
File opened (read-only)	\??\Z:	winlog.exe
File opened (read-only)	\??\J:	winlog.exe
File opened (read-only)	\??\L:	winlog.exe
File opened (read-only)	\??\O:	winlog.exe
File opened (read-only)	\??\P:	winlog.exe
File opened (read-only)	\??\R:	winlog.exe
File opened (read-only)	\??\E:	winlog.exe
File opened (read-only)	\??\Q:	winlog.exe
File opened (read-only)	\??\U:	winlog.exe
File opened (read-only)	\??\W:	winlog.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

f242374e518229643caa67f314f06c47ed5d1ba6287a2168ac6f84b2578fdbb3.exewinlog.exe

description	pid	process	target process
PID 1996 set thread context of 1696	1996	f242374e518229643caa67f314f06c47ed5d1ba6287a2168ac6f84b2578fdbb3.exe	f242374e518229643caa67f314f06c47ed5d1ba6287a2168ac6f84b2578fdbb3.exe
PID 1212 set thread context of 1136	1212	winlog.exe	winlog.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 32 IoCs

Processes:

f242374e518229643caa67f314f06c47ed5d1ba6287a2168ac6f84b2578fdbb3.exef242374e518229643caa67f314f06c47ed5d1ba6287a2168ac6f84b2578fdbb3.exewinlog.exe

description	pid	process	target process
PID 1996 wrote to memory of 1696	1996	f242374e518229643caa67f314f06c47ed5d1ba6287a2168ac6f84b2578fdbb3.exe	f242374e518229643caa67f314f06c47ed5d1ba6287a2168ac6f84b2578fdbb3.exe
PID 1996 wrote to memory of 1696	1996	f242374e518229643caa67f314f06c47ed5d1ba6287a2168ac6f84b2578fdbb3.exe	f242374e518229643caa67f314f06c47ed5d1ba6287a2168ac6f84b2578fdbb3.exe
PID 1996 wrote to memory of 1696	1996	f242374e518229643caa67f314f06c47ed5d1ba6287a2168ac6f84b2578fdbb3.exe	f242374e518229643caa67f314f06c47ed5d1ba6287a2168ac6f84b2578fdbb3.exe
PID 1996 wrote to memory of 1696	1996	f242374e518229643caa67f314f06c47ed5d1ba6287a2168ac6f84b2578fdbb3.exe	f242374e518229643caa67f314f06c47ed5d1ba6287a2168ac6f84b2578fdbb3.exe
PID 1996 wrote to memory of 1696	1996	f242374e518229643caa67f314f06c47ed5d1ba6287a2168ac6f84b2578fdbb3.exe	f242374e518229643caa67f314f06c47ed5d1ba6287a2168ac6f84b2578fdbb3.exe
PID 1996 wrote to memory of 1696	1996	f242374e518229643caa67f314f06c47ed5d1ba6287a2168ac6f84b2578fdbb3.exe	f242374e518229643caa67f314f06c47ed5d1ba6287a2168ac6f84b2578fdbb3.exe
PID 1996 wrote to memory of 1696	1996	f242374e518229643caa67f314f06c47ed5d1ba6287a2168ac6f84b2578fdbb3.exe	f242374e518229643caa67f314f06c47ed5d1ba6287a2168ac6f84b2578fdbb3.exe
PID 1996 wrote to memory of 1696	1996	f242374e518229643caa67f314f06c47ed5d1ba6287a2168ac6f84b2578fdbb3.exe	f242374e518229643caa67f314f06c47ed5d1ba6287a2168ac6f84b2578fdbb3.exe
PID 1996 wrote to memory of 1696	1996	f242374e518229643caa67f314f06c47ed5d1ba6287a2168ac6f84b2578fdbb3.exe	f242374e518229643caa67f314f06c47ed5d1ba6287a2168ac6f84b2578fdbb3.exe
PID 1996 wrote to memory of 1696	1996	f242374e518229643caa67f314f06c47ed5d1ba6287a2168ac6f84b2578fdbb3.exe	f242374e518229643caa67f314f06c47ed5d1ba6287a2168ac6f84b2578fdbb3.exe
PID 1996 wrote to memory of 1696	1996	f242374e518229643caa67f314f06c47ed5d1ba6287a2168ac6f84b2578fdbb3.exe	f242374e518229643caa67f314f06c47ed5d1ba6287a2168ac6f84b2578fdbb3.exe
PID 1996 wrote to memory of 1696	1996	f242374e518229643caa67f314f06c47ed5d1ba6287a2168ac6f84b2578fdbb3.exe	f242374e518229643caa67f314f06c47ed5d1ba6287a2168ac6f84b2578fdbb3.exe
PID 1996 wrote to memory of 1696	1996	f242374e518229643caa67f314f06c47ed5d1ba6287a2168ac6f84b2578fdbb3.exe	f242374e518229643caa67f314f06c47ed5d1ba6287a2168ac6f84b2578fdbb3.exe
PID 1996 wrote to memory of 1696	1996	f242374e518229643caa67f314f06c47ed5d1ba6287a2168ac6f84b2578fdbb3.exe	f242374e518229643caa67f314f06c47ed5d1ba6287a2168ac6f84b2578fdbb3.exe
PID 1696 wrote to memory of 1212	1696	f242374e518229643caa67f314f06c47ed5d1ba6287a2168ac6f84b2578fdbb3.exe	winlog.exe
PID 1696 wrote to memory of 1212	1696	f242374e518229643caa67f314f06c47ed5d1ba6287a2168ac6f84b2578fdbb3.exe	winlog.exe
PID 1696 wrote to memory of 1212	1696	f242374e518229643caa67f314f06c47ed5d1ba6287a2168ac6f84b2578fdbb3.exe	winlog.exe
PID 1696 wrote to memory of 1212	1696	f242374e518229643caa67f314f06c47ed5d1ba6287a2168ac6f84b2578fdbb3.exe	winlog.exe
PID 1212 wrote to memory of 1136	1212	winlog.exe	winlog.exe
PID 1212 wrote to memory of 1136	1212	winlog.exe	winlog.exe
PID 1212 wrote to memory of 1136	1212	winlog.exe	winlog.exe
PID 1212 wrote to memory of 1136	1212	winlog.exe	winlog.exe
PID 1212 wrote to memory of 1136	1212	winlog.exe	winlog.exe
PID 1212 wrote to memory of 1136	1212	winlog.exe	winlog.exe
PID 1212 wrote to memory of 1136	1212	winlog.exe	winlog.exe
PID 1212 wrote to memory of 1136	1212	winlog.exe	winlog.exe
PID 1212 wrote to memory of 1136	1212	winlog.exe	winlog.exe
PID 1212 wrote to memory of 1136	1212	winlog.exe	winlog.exe
PID 1212 wrote to memory of 1136	1212	winlog.exe	winlog.exe
PID 1212 wrote to memory of 1136	1212	winlog.exe	winlog.exe
PID 1212 wrote to memory of 1136	1212	winlog.exe	winlog.exe
PID 1212 wrote to memory of 1136	1212	winlog.exe	winlog.exe

C:\Users\Admin\AppData\Local\Temp\f242374e518229643caa67f314f06c47ed5d1ba6287a2168ac6f84b2578fdbb3.exe
"C:\Users\Admin\AppData\Local\Temp\f242374e518229643caa67f314f06c47ed5d1ba6287a2168ac6f84b2578fdbb3.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1996

C:\Users\Admin\AppData\Local\Temp\f242374e518229643caa67f314f06c47ed5d1ba6287a2168ac6f84b2578fdbb3.exe
C:\Users\Admin\AppData\Local\Temp\f242374e518229643caa67f314f06c47ed5d1ba6287a2168ac6f84b2578fdbb3.exe
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1696

C:\Users\Admin\AppData\Roaming\Microsoft\winlog.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\winlog.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1212

C:\Users\Admin\AppData\Roaming\Microsoft\winlog.exe
C:\Users\Admin\AppData\Roaming\Microsoft\winlog.exe
4⤵
- Executes dropped EXE
- Adds Run key to start application
- Enumerates connected drives
PID:1136

Network

MITRE ATT&CK Matrix ATT&CK 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

Peripheral Device Discovery

1

T1120

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\winlog.exe
Filesize
192KB

MD5
f8b629eee798245f18f2b7415642993a

SHA1
3853e76f713d1274f6e897b4957a74bd9fcfd98e

SHA256
f242374e518229643caa67f314f06c47ed5d1ba6287a2168ac6f84b2578fdbb3

SHA512
eba6df3594fa71d806d0910fc740371fb0223cd200344315e2cc0a109db01abfc223a3053a57c9651ff0eadb3fbac66f39de6a5a9e1d231a0f2fd342816549fe

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\winlog.exe
Filesize
192KB

MD5
f8b629eee798245f18f2b7415642993a

SHA1
3853e76f713d1274f6e897b4957a74bd9fcfd98e

SHA256
f242374e518229643caa67f314f06c47ed5d1ba6287a2168ac6f84b2578fdbb3

SHA512
eba6df3594fa71d806d0910fc740371fb0223cd200344315e2cc0a109db01abfc223a3053a57c9651ff0eadb3fbac66f39de6a5a9e1d231a0f2fd342816549fe

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\winlog.exe
Filesize
192KB

MD5
f8b629eee798245f18f2b7415642993a

SHA1
3853e76f713d1274f6e897b4957a74bd9fcfd98e

SHA256
f242374e518229643caa67f314f06c47ed5d1ba6287a2168ac6f84b2578fdbb3

SHA512
eba6df3594fa71d806d0910fc740371fb0223cd200344315e2cc0a109db01abfc223a3053a57c9651ff0eadb3fbac66f39de6a5a9e1d231a0f2fd342816549fe

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\winlog.exe
Filesize
192KB

MD5
f8b629eee798245f18f2b7415642993a

SHA1
3853e76f713d1274f6e897b4957a74bd9fcfd98e

SHA256
f242374e518229643caa67f314f06c47ed5d1ba6287a2168ac6f84b2578fdbb3

SHA512
eba6df3594fa71d806d0910fc740371fb0223cd200344315e2cc0a109db01abfc223a3053a57c9651ff0eadb3fbac66f39de6a5a9e1d231a0f2fd342816549fe

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\winlog.exe
Filesize
192KB

MD5
f8b629eee798245f18f2b7415642993a

SHA1
3853e76f713d1274f6e897b4957a74bd9fcfd98e

SHA256
f242374e518229643caa67f314f06c47ed5d1ba6287a2168ac6f84b2578fdbb3

SHA512
eba6df3594fa71d806d0910fc740371fb0223cd200344315e2cc0a109db01abfc223a3053a57c9651ff0eadb3fbac66f39de6a5a9e1d231a0f2fd342816549fe

Download Submit
memory/1136-66-0x00000000114AE184-mapping.dmp

Download
memory/1136-70-0x0000000011490000-0x00000000114BA000-memory.dmp

Filesize
168KB

Download
memory/1136-71-0x0000000011490000-0x00000000114BA000-memory.dmp

Filesize
168KB

Download
memory/1136-72-0x0000000011490000-0x00000000114BA000-memory.dmp

Filesize
168KB

Download
memory/1212-62-0x0000000000000000-mapping.dmp

Download
memory/1696-59-0x0000000011490000-0x00000000114BA000-memory.dmp

Filesize
168KB

Download
memory/1696-58-0x0000000011490000-0x00000000114BA000-memory.dmp

Filesize
168KB

Download
memory/1696-54-0x0000000011490000-0x00000000114BA000-memory.dmp

Filesize
168KB

Download
memory/1696-57-0x0000000076171000-0x0000000076173000-memory.dmp

Filesize
8KB

Download
memory/1696-56-0x0000000011490000-0x00000000114BA000-memory.dmp

Filesize
168KB

Download
memory/1696-55-0x00000000114AE184-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads