73dff0c07107da7dc8a00037509cd10f277dfef01884d62ffbcb40faf6e8e826

General

Target

73dff0c07107da7dc8a00037509cd10f277dfef01884d62ffbcb40faf6e8e826.exe
Size

43KB
MD5

c494de9e9a77b07ad0ae470b6e68a20e
SHA1

f4ed93992928e2da478ca70d61dc6fc25f6bb6a7
SHA256

73dff0c07107da7dc8a00037509cd10f277dfef01884d62ffbcb40faf6e8e826
SHA512

ae85cd6f2c87ba4c7b5c63688541dc8b83166f7ba4d86e86908c1e8f6fff749109b0811fcbc9b85c502f6a8c08f758f8634c30aefa1528df6de3d02002925b2d
SSDEEP

768:9UdNT8uX2d5SogqD0rK9GTW2Es5E1v6HatjHX8qvtG1GlIL19x2N/UT6HCCjPkaW:K6GvUmaxTitj2xHCCrk

Score

8^/10

evasion persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

ssh.exe

pid process

2240 ssh.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

4764 netsh.exe

pid	process
4764	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:

73dff0c07107da7dc8a00037509cd10f277dfef01884d62ffbcb40faf6e8e826.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	73dff0c07107da7dc8a00037509cd10f277dfef01884d62ffbcb40faf6e8e826.exe

Drops startup file 2 IoCs

Processes:

ssh.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\a6bb7bf955d6f8e836accef2364db9c4.exe	ssh.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\a6bb7bf955d6f8e836accef2364db9c4.exe	ssh.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

ssh.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\a6bb7bf955d6f8e836accef2364db9c4 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\ssh.exe\" .."	ssh.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\a6bb7bf955d6f8e836accef2364db9c4 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\ssh.exe\" .."	ssh.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 25 IoCs

Processes:

ssh.exe

pid	process
2240	ssh.exe
2240	ssh.exe
2240	ssh.exe
2240	ssh.exe
2240	ssh.exe
2240	ssh.exe
2240	ssh.exe
2240	ssh.exe
2240	ssh.exe
2240	ssh.exe
2240	ssh.exe
2240	ssh.exe
2240	ssh.exe
2240	ssh.exe
2240	ssh.exe
2240	ssh.exe
2240	ssh.exe
2240	ssh.exe
2240	ssh.exe
2240	ssh.exe
2240	ssh.exe
2240	ssh.exe
2240	ssh.exe
2240	ssh.exe
2240	ssh.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

ssh.exe

description pid process

Token: SeDebugPrivilege 2240 ssh.exe

description	pid	process
Token: SeDebugPrivilege	2240	ssh.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

73dff0c07107da7dc8a00037509cd10f277dfef01884d62ffbcb40faf6e8e826.exessh.exe

description	pid	process	target process
PID 3524 wrote to memory of 2240	3524	73dff0c07107da7dc8a00037509cd10f277dfef01884d62ffbcb40faf6e8e826.exe	ssh.exe
PID 3524 wrote to memory of 2240	3524	73dff0c07107da7dc8a00037509cd10f277dfef01884d62ffbcb40faf6e8e826.exe	ssh.exe
PID 3524 wrote to memory of 2240	3524	73dff0c07107da7dc8a00037509cd10f277dfef01884d62ffbcb40faf6e8e826.exe	ssh.exe
PID 2240 wrote to memory of 4764	2240	ssh.exe	netsh.exe
PID 2240 wrote to memory of 4764	2240	ssh.exe	netsh.exe
PID 2240 wrote to memory of 4764	2240	ssh.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\73dff0c07107da7dc8a00037509cd10f277dfef01884d62ffbcb40faf6e8e826.exe
"C:\Users\Admin\AppData\Local\Temp\73dff0c07107da7dc8a00037509cd10f277dfef01884d62ffbcb40faf6e8e826.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3524

C:\Users\Admin\AppData\Local\Temp\ssh.exe
"C:\Users\Admin\AppData\Local\Temp\ssh.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2240

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\ssh.exe" "ssh.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:4764

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\ssh.exe
Filesize
43KB

MD5
c494de9e9a77b07ad0ae470b6e68a20e

SHA1
f4ed93992928e2da478ca70d61dc6fc25f6bb6a7

SHA256
73dff0c07107da7dc8a00037509cd10f277dfef01884d62ffbcb40faf6e8e826

SHA512
ae85cd6f2c87ba4c7b5c63688541dc8b83166f7ba4d86e86908c1e8f6fff749109b0811fcbc9b85c502f6a8c08f758f8634c30aefa1528df6de3d02002925b2d

Download Submit
C:\Users\Admin\AppData\Local\Temp\ssh.exe
Filesize
43KB

MD5
c494de9e9a77b07ad0ae470b6e68a20e

SHA1
f4ed93992928e2da478ca70d61dc6fc25f6bb6a7

SHA256
73dff0c07107da7dc8a00037509cd10f277dfef01884d62ffbcb40faf6e8e826

SHA512
ae85cd6f2c87ba4c7b5c63688541dc8b83166f7ba4d86e86908c1e8f6fff749109b0811fcbc9b85c502f6a8c08f758f8634c30aefa1528df6de3d02002925b2d

Download Submit
memory/2240-133-0x0000000000000000-mapping.dmp

Download
memory/2240-138-0x0000000074F70000-0x0000000075521000-memory.dmp

Filesize
5.7MB

Download
memory/2240-139-0x0000000074F70000-0x0000000075521000-memory.dmp

Filesize
5.7MB

Download
memory/3524-132-0x0000000074F70000-0x0000000075521000-memory.dmp

Filesize
5.7MB

Download
memory/3524-136-0x0000000074F70000-0x0000000075521000-memory.dmp

Filesize
5.7MB

Download
memory/4764-137-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads