339d1e54d957d1982fd84cb2146c24f379156ed94ffd6fac6e86806d8095d2e8

General

Target

339d1e54d957d1982fd84cb2146c24f379156ed94ffd6fac6e86806d8095d2e8.exe
Size

43KB
MD5

e9ec61fc8def56363871364a9af90e87
SHA1

bb227dc2d4abca5033e4ada392da8465f23db33f
SHA256

339d1e54d957d1982fd84cb2146c24f379156ed94ffd6fac6e86806d8095d2e8
SHA512

1aaf1a17e0e9a0ffe55301ed59799a7b5878700797f524c4a2ed87785e70b12c6dcd0cddc644262fd477d94c4c66dee8a17599a8f700fc3971c0926c7332c3ca
SSDEEP

768:pTe7nd8qhYz3S228PmrW96Te2+p581R6HijH+EqvtK1EXoB1T1kNtuPmHCCjPkaH:Gm6Hh0KQWvhkZHCCrk

Score

8^/10

evasion persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

svch.exe

pid process

536 svch.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

872 netsh.exe

pid	process
536	svch.exe

pid	process
872	netsh.exe

Drops startup file 2 IoCs

Processes:

svch.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\3d7799564c49ca2fb2f556a9f4a8d17a.exe	svch.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\3d7799564c49ca2fb2f556a9f4a8d17a.exe	svch.exe

Loads dropped DLL 1 IoCs

Processes:

339d1e54d957d1982fd84cb2146c24f379156ed94ffd6fac6e86806d8095d2e8.exe

pid process

976 339d1e54d957d1982fd84cb2146c24f379156ed94ffd6fac6e86806d8095d2e8.exe

pid	process
976	339d1e54d957d1982fd84cb2146c24f379156ed94ffd6fac6e86806d8095d2e8.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

svch.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\3d7799564c49ca2fb2f556a9f4a8d17a = "\"C:\\Users\\Admin\\AppData\\Roaming\\svch.exe\" .."	svch.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\3d7799564c49ca2fb2f556a9f4a8d17a = "\"C:\\Users\\Admin\\AppData\\Roaming\\svch.exe\" .."	svch.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 1 IoCs

Processes:

svch.exe

pid process

536 svch.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

svch.exe

description pid process

Token: SeDebugPrivilege 536 svch.exe

pid	process
536	svch.exe

description	pid	process
Token: SeDebugPrivilege	536	svch.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

339d1e54d957d1982fd84cb2146c24f379156ed94ffd6fac6e86806d8095d2e8.exesvch.exe

description	pid	process	target process
PID 976 wrote to memory of 536	976	339d1e54d957d1982fd84cb2146c24f379156ed94ffd6fac6e86806d8095d2e8.exe	svch.exe
PID 976 wrote to memory of 536	976	339d1e54d957d1982fd84cb2146c24f379156ed94ffd6fac6e86806d8095d2e8.exe	svch.exe
PID 976 wrote to memory of 536	976	339d1e54d957d1982fd84cb2146c24f379156ed94ffd6fac6e86806d8095d2e8.exe	svch.exe
PID 976 wrote to memory of 536	976	339d1e54d957d1982fd84cb2146c24f379156ed94ffd6fac6e86806d8095d2e8.exe	svch.exe
PID 536 wrote to memory of 872	536	svch.exe	netsh.exe
PID 536 wrote to memory of 872	536	svch.exe	netsh.exe
PID 536 wrote to memory of 872	536	svch.exe	netsh.exe
PID 536 wrote to memory of 872	536	svch.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\339d1e54d957d1982fd84cb2146c24f379156ed94ffd6fac6e86806d8095d2e8.exe
"C:\Users\Admin\AppData\Local\Temp\339d1e54d957d1982fd84cb2146c24f379156ed94ffd6fac6e86806d8095d2e8.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:976

C:\Users\Admin\AppData\Roaming\svch.exe
"C:\Users\Admin\AppData\Roaming\svch.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:536

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\svch.exe" "svch.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:872

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\svch.exe
Filesize
43KB

MD5
e9ec61fc8def56363871364a9af90e87

SHA1
bb227dc2d4abca5033e4ada392da8465f23db33f

SHA256
339d1e54d957d1982fd84cb2146c24f379156ed94ffd6fac6e86806d8095d2e8

SHA512
1aaf1a17e0e9a0ffe55301ed59799a7b5878700797f524c4a2ed87785e70b12c6dcd0cddc644262fd477d94c4c66dee8a17599a8f700fc3971c0926c7332c3ca

Download Submit
C:\Users\Admin\AppData\Roaming\svch.exe
Filesize
43KB

MD5
e9ec61fc8def56363871364a9af90e87

SHA1
bb227dc2d4abca5033e4ada392da8465f23db33f

SHA256
339d1e54d957d1982fd84cb2146c24f379156ed94ffd6fac6e86806d8095d2e8

SHA512
1aaf1a17e0e9a0ffe55301ed59799a7b5878700797f524c4a2ed87785e70b12c6dcd0cddc644262fd477d94c4c66dee8a17599a8f700fc3971c0926c7332c3ca

Download Submit
\Users\Admin\AppData\Roaming\svch.exe
Filesize
43KB

MD5
e9ec61fc8def56363871364a9af90e87

SHA1
bb227dc2d4abca5033e4ada392da8465f23db33f

SHA256
339d1e54d957d1982fd84cb2146c24f379156ed94ffd6fac6e86806d8095d2e8

SHA512
1aaf1a17e0e9a0ffe55301ed59799a7b5878700797f524c4a2ed87785e70b12c6dcd0cddc644262fd477d94c4c66dee8a17599a8f700fc3971c0926c7332c3ca

Download Submit
memory/536-56-0x0000000000000000-mapping.dmp

Download
memory/536-64-0x0000000073EC0000-0x000000007446B000-memory.dmp

Filesize
5.7MB

Download
memory/536-65-0x0000000073EC0000-0x000000007446B000-memory.dmp

Filesize
5.7MB

Download
memory/872-62-0x0000000000000000-mapping.dmp

Download
memory/976-54-0x0000000075891000-0x0000000075893000-memory.dmp

Filesize
8KB

Download
memory/976-60-0x0000000073EC0000-0x000000007446B000-memory.dmp

Filesize
5.7MB

Download
memory/976-61-0x0000000073EC0000-0x000000007446B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads