4d7be6d17aab1b01aaac33962db7174c4f4b9577b31243b5d80a6fa7b556b143

Analysis

max time kernel
152s
max time network
196s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
26-11-2022 22:50

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General

Target

4d7be6d17aab1b01aaac33962db7174c4f4b9577b31243b5d80a6fa7b556b143.exe
Size

1.0MB
MD5

115ee62139b95fb4e91c9ed43fcdabce
SHA1

b917f9a4c43532931ffd07038f7cae0f642ec56d
SHA256

4d7be6d17aab1b01aaac33962db7174c4f4b9577b31243b5d80a6fa7b556b143
SHA512

4f3566bca075898786d5a492a2423a9a0f633260dc5e9a07cb3e53a729f3f6df10b97b5cb54fafda846d46092cfe3835a91332c73a87a9a493c9edaf5e310439
SSDEEP

6144:b2GhN/AlMcTZQS5O/5PBDduZIqcCmWSuu:b2iNNcQS5s55oZsHu

Score

8^/10

evasion persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

msrosoft.exe

pid process

4908 msrosoft.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1140 netsh.exe

pid	process
1140	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:

4d7be6d17aab1b01aaac33962db7174c4f4b9577b31243b5d80a6fa7b556b143.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	4d7be6d17aab1b01aaac33962db7174c4f4b9577b31243b5d80a6fa7b556b143.exe

Drops startup file 2 IoCs

Processes:

msrosoft.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\99467913b8207478562fde93bdb6f7c3.exe	msrosoft.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\99467913b8207478562fde93bdb6f7c3.exe	msrosoft.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

msrosoft.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\99467913b8207478562fde93bdb6f7c3 = "\"C:\\Users\\Admin\\msrosoft.exe\" .."	msrosoft.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\99467913b8207478562fde93bdb6f7c3 = "\"C:\\Users\\Admin\\msrosoft.exe\" .."	msrosoft.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 23 IoCs

Processes:

msrosoft.exe

pid	process
4908	msrosoft.exe
4908	msrosoft.exe
4908	msrosoft.exe
4908	msrosoft.exe
4908	msrosoft.exe
4908	msrosoft.exe
4908	msrosoft.exe
4908	msrosoft.exe
4908	msrosoft.exe
4908	msrosoft.exe
4908	msrosoft.exe
4908	msrosoft.exe
4908	msrosoft.exe
4908	msrosoft.exe
4908	msrosoft.exe
4908	msrosoft.exe
4908	msrosoft.exe
4908	msrosoft.exe
4908	msrosoft.exe
4908	msrosoft.exe
4908	msrosoft.exe
4908	msrosoft.exe
4908	msrosoft.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

msrosoft.exe

description pid process

Token: SeDebugPrivilege 4908 msrosoft.exe

description	pid	process
Token: SeDebugPrivilege	4908	msrosoft.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

4d7be6d17aab1b01aaac33962db7174c4f4b9577b31243b5d80a6fa7b556b143.exemsrosoft.exe

description	pid	process	target process
PID 4284 wrote to memory of 4908	4284	4d7be6d17aab1b01aaac33962db7174c4f4b9577b31243b5d80a6fa7b556b143.exe	msrosoft.exe
PID 4284 wrote to memory of 4908	4284	4d7be6d17aab1b01aaac33962db7174c4f4b9577b31243b5d80a6fa7b556b143.exe	msrosoft.exe
PID 4908 wrote to memory of 1140	4908	msrosoft.exe	netsh.exe
PID 4908 wrote to memory of 1140	4908	msrosoft.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\4d7be6d17aab1b01aaac33962db7174c4f4b9577b31243b5d80a6fa7b556b143.exe
"C:\Users\Admin\AppData\Local\Temp\4d7be6d17aab1b01aaac33962db7174c4f4b9577b31243b5d80a6fa7b556b143.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4284

C:\Users\Admin\msrosoft.exe
"C:\Users\Admin\msrosoft.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:4908

C:\Windows\SYSTEM32\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\msrosoft.exe" "msrosoft.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:1140

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\msrosoft.exe
Filesize
1.0MB

MD5
115ee62139b95fb4e91c9ed43fcdabce

SHA1
b917f9a4c43532931ffd07038f7cae0f642ec56d

SHA256
4d7be6d17aab1b01aaac33962db7174c4f4b9577b31243b5d80a6fa7b556b143

SHA512
4f3566bca075898786d5a492a2423a9a0f633260dc5e9a07cb3e53a729f3f6df10b97b5cb54fafda846d46092cfe3835a91332c73a87a9a493c9edaf5e310439

Download Submit
C:\Users\Admin\msrosoft.exe
Filesize
1.0MB

MD5
115ee62139b95fb4e91c9ed43fcdabce

SHA1
b917f9a4c43532931ffd07038f7cae0f642ec56d

SHA256
4d7be6d17aab1b01aaac33962db7174c4f4b9577b31243b5d80a6fa7b556b143

SHA512
4f3566bca075898786d5a492a2423a9a0f633260dc5e9a07cb3e53a729f3f6df10b97b5cb54fafda846d46092cfe3835a91332c73a87a9a493c9edaf5e310439

Download Submit
memory/1140-137-0x0000000000000000-mapping.dmp

Download
memory/4284-132-0x000000001C600000-0x000000001D036000-memory.dmp

Filesize
10.2MB

Download
memory/4908-133-0x0000000000000000-mapping.dmp

Download
memory/4908-136-0x000000001C720000-0x000000001D156000-memory.dmp

Filesize
10.2MB

Download