91e6640a2c9f97db51f4507973f1269a385e66bba1a8c83cd3252f623e899cab

General

Target

91e6640a2c9f97db51f4507973f1269a385e66bba1a8c83cd3252f623e899cab.exe
Size

384KB
MD5

22db5e69b1c46eda11681b649d150477
SHA1

494a86694800dab92006d9a406f80b3781587890
SHA256

91e6640a2c9f97db51f4507973f1269a385e66bba1a8c83cd3252f623e899cab
SHA512

00fa8a9e5eeea3492f57bbf2fdba01d972633278b26f50d01a8f27b2d2f0d0e5152d398a518480268e7cfe8557cac587a87c3195326c55fdcf409174b153971b
SSDEEP

6144:CEF3VpTPqTFp0hyA401oa+MVrXgEClb/Z+nUfy6dxRytD0HfO2N0i:X3Vp7eChaG4lbBrlx40HL

Score

8^/10

evasion persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

sesteml.exe

pid process

1804 sesteml.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1352 netsh.exe

pid	process
1352	netsh.exe

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:

91e6640a2c9f97db51f4507973f1269a385e66bba1a8c83cd3252f623e899cab.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	91e6640a2c9f97db51f4507973f1269a385e66bba1a8c83cd3252f623e899cab.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

91e6640a2c9f97db51f4507973f1269a385e66bba1a8c83cd3252f623e899cab.exesesteml.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ = "C:\\Users\\Admin\\AppData\\Local\\Download grand theft auto san andreas.exe"	91e6640a2c9f97db51f4507973f1269a385e66bba1a8c83cd3252f623e899cab.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ = "C:\\Users\\Admin\\AppData\\Local\\Download grand theft auto san andreas.exe"	sesteml.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1e0c24a5d9e94357e324f2da05a893d3 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\sesteml.exe\" .."	sesteml.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1e0c24a5d9e94357e324f2da05a893d3 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\sesteml.exe\" .."	sesteml.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 42 IoCs

Processes:

sesteml.exe

pid	process
1804	sesteml.exe
1804	sesteml.exe
1804	sesteml.exe
1804	sesteml.exe
1804	sesteml.exe
1804	sesteml.exe
1804	sesteml.exe
1804	sesteml.exe
1804	sesteml.exe
1804	sesteml.exe
1804	sesteml.exe
1804	sesteml.exe
1804	sesteml.exe
1804	sesteml.exe
1804	sesteml.exe
1804	sesteml.exe
1804	sesteml.exe
1804	sesteml.exe
1804	sesteml.exe
1804	sesteml.exe
1804	sesteml.exe
1804	sesteml.exe
1804	sesteml.exe
1804	sesteml.exe
1804	sesteml.exe
1804	sesteml.exe
1804	sesteml.exe
1804	sesteml.exe
1804	sesteml.exe
1804	sesteml.exe
1804	sesteml.exe
1804	sesteml.exe
1804	sesteml.exe
1804	sesteml.exe
1804	sesteml.exe
1804	sesteml.exe
1804	sesteml.exe
1804	sesteml.exe
1804	sesteml.exe
1804	sesteml.exe
1804	sesteml.exe
1804	sesteml.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

sesteml.exe

description pid process

Token: SeDebugPrivilege 1804 sesteml.exe

description	pid	process
Token: SeDebugPrivilege	1804	sesteml.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

91e6640a2c9f97db51f4507973f1269a385e66bba1a8c83cd3252f623e899cab.exesesteml.exe

description	pid	process	target process
PID 1760 wrote to memory of 1804	1760	91e6640a2c9f97db51f4507973f1269a385e66bba1a8c83cd3252f623e899cab.exe	sesteml.exe
PID 1760 wrote to memory of 1804	1760	91e6640a2c9f97db51f4507973f1269a385e66bba1a8c83cd3252f623e899cab.exe	sesteml.exe
PID 1804 wrote to memory of 1352	1804	sesteml.exe	netsh.exe
PID 1804 wrote to memory of 1352	1804	sesteml.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\91e6640a2c9f97db51f4507973f1269a385e66bba1a8c83cd3252f623e899cab.exe
"C:\Users\Admin\AppData\Local\Temp\91e6640a2c9f97db51f4507973f1269a385e66bba1a8c83cd3252f623e899cab.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1760

C:\Users\Admin\AppData\Local\Temp\sesteml.exe
"C:\Users\Admin\AppData\Local\Temp\sesteml.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1804

C:\Windows\SYSTEM32\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\sesteml.exe" "sesteml.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:1352

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\sesteml.exe
Filesize
384KB

MD5
22db5e69b1c46eda11681b649d150477

SHA1
494a86694800dab92006d9a406f80b3781587890

SHA256
91e6640a2c9f97db51f4507973f1269a385e66bba1a8c83cd3252f623e899cab

SHA512
00fa8a9e5eeea3492f57bbf2fdba01d972633278b26f50d01a8f27b2d2f0d0e5152d398a518480268e7cfe8557cac587a87c3195326c55fdcf409174b153971b

Download Submit
C:\Users\Admin\AppData\Local\Temp\sesteml.exe
Filesize
384KB

MD5
22db5e69b1c46eda11681b649d150477

SHA1
494a86694800dab92006d9a406f80b3781587890

SHA256
91e6640a2c9f97db51f4507973f1269a385e66bba1a8c83cd3252f623e899cab

SHA512
00fa8a9e5eeea3492f57bbf2fdba01d972633278b26f50d01a8f27b2d2f0d0e5152d398a518480268e7cfe8557cac587a87c3195326c55fdcf409174b153971b

Download Submit
memory/1352-137-0x0000000000000000-mapping.dmp

Download
memory/1760-132-0x00007FFA6CBF0000-0x00007FFA6D626000-memory.dmp

Filesize
10.2MB

Download
memory/1804-133-0x0000000000000000-mapping.dmp

Download
memory/1804-136-0x00007FFA6CBF0000-0x00007FFA6D626000-memory.dmp

Filesize
10.2MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads