707c81984e055b8ef5bf439bec0449be52ea160180baf60df314abab53133937

General

Target

707c81984e055b8ef5bf439bec0449be52ea160180baf60df314abab53133937.exe
Size

128KB
MD5

6b4961bd714e87ac58bc94057c4729a0
SHA1

0f90067112fe4d6de159bb4170fafc4abf111907
SHA256

707c81984e055b8ef5bf439bec0449be52ea160180baf60df314abab53133937
SHA512

45887544f16f59dc6063ed96a7f3e04335120d08b0f7e6f20412e4fa6cbb6bd90b1a230af07508e6195bb381c1c2b92624a14a33b4d9bc4b075fe9cecebb9679
SSDEEP

3072:JIJO91gvrt/YObLz6tTs6b/KItLvYFdJIwFAd/LWxidvIuV:H1OtgWLGtfb/1lviIkAdEid5

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
2644	524.exe
2496	svchost.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
4960	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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	524.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\23556fb1360f366337f97c924e76ead3 = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\" .."	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\23556fb1360f366337f97c924e76ead3 = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\" .."	svchost.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 20 IoCs

pid	Process
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe
2496	svchost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2496	svchost.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3824 wrote to memory of 2644	3824	707c81984e055b8ef5bf439bec0449be52ea160180baf60df314abab53133937.exe	86
PID 3824 wrote to memory of 2644	3824	707c81984e055b8ef5bf439bec0449be52ea160180baf60df314abab53133937.exe	86
PID 2644 wrote to memory of 2496	2644	524.exe	87
PID 2644 wrote to memory of 2496	2644	524.exe	87
PID 2496 wrote to memory of 4960	2496	svchost.exe	88
PID 2496 wrote to memory of 4960	2496	svchost.exe	88

C:\Users\Admin\AppData\Local\Temp\707c81984e055b8ef5bf439bec0449be52ea160180baf60df314abab53133937.exe
"C:\Users\Admin\AppData\Local\Temp\707c81984e055b8ef5bf439bec0449be52ea160180baf60df314abab53133937.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3824
- C:\Users\Admin\AppData\Local\Temp\524.exe
  C:\Users\Admin\AppData\Local\Temp\524.exe
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:2644
- - C:\Users\Admin\AppData\Roaming\svchost.exe
    "C:\Users\Admin\AppData\Roaming\svchost.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2496
  - - C:\Windows\SYSTEM32\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\svchost.exe" "svchost.exe" ENABLE
      4⤵
      Modifies Windows Firewall
      PID:4960

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\524.exe

Filesize
79KB

MD5
424a710bce5c774f95b1e5bcf384ffa7

SHA1
d43e116ea93ec730f760c22c7b85ed94805f974f

SHA256
2051eb8988f73e300fd76fd59934d47dfa335afce0d71c6b46bba3c38e1fc33c

SHA512
46f537ab24ab75796cba3c002887d055672b3ecd6735ac8b98f078b073422573316f27fdabf0406e180f761a370d0da10afec242c82443e2eb31c72a9df56a7d

Download Submit
C:\Users\Admin\AppData\Local\Temp\524.exe

Filesize
79KB

MD5
424a710bce5c774f95b1e5bcf384ffa7

SHA1
d43e116ea93ec730f760c22c7b85ed94805f974f

SHA256
2051eb8988f73e300fd76fd59934d47dfa335afce0d71c6b46bba3c38e1fc33c

SHA512
46f537ab24ab75796cba3c002887d055672b3ecd6735ac8b98f078b073422573316f27fdabf0406e180f761a370d0da10afec242c82443e2eb31c72a9df56a7d

Download Submit
C:\Users\Admin\AppData\Roaming\svchost.exe

Filesize
79KB

MD5
424a710bce5c774f95b1e5bcf384ffa7

SHA1
d43e116ea93ec730f760c22c7b85ed94805f974f

SHA256
2051eb8988f73e300fd76fd59934d47dfa335afce0d71c6b46bba3c38e1fc33c

SHA512
46f537ab24ab75796cba3c002887d055672b3ecd6735ac8b98f078b073422573316f27fdabf0406e180f761a370d0da10afec242c82443e2eb31c72a9df56a7d

Download Submit
C:\Users\Admin\AppData\Roaming\svchost.exe

Filesize
79KB

MD5
424a710bce5c774f95b1e5bcf384ffa7

SHA1
d43e116ea93ec730f760c22c7b85ed94805f974f

SHA256
2051eb8988f73e300fd76fd59934d47dfa335afce0d71c6b46bba3c38e1fc33c

SHA512
46f537ab24ab75796cba3c002887d055672b3ecd6735ac8b98f078b073422573316f27fdabf0406e180f761a370d0da10afec242c82443e2eb31c72a9df56a7d

Download Submit
memory/2496-142-0x00007FFB52E70000-0x00007FFB53931000-memory.dmp

Filesize
10.8MB

Download
memory/2496-143-0x00007FFB52E70000-0x00007FFB53931000-memory.dmp

Filesize
10.8MB

Download
memory/2644-135-0x0000000000AF0000-0x0000000000B0A000-memory.dmp

Filesize
104KB

Download
memory/2644-136-0x00007FFB52E70000-0x00007FFB53931000-memory.dmp

Filesize
10.8MB

Download
memory/2644-140-0x00007FFB52E70000-0x00007FFB53931000-memory.dmp

Filesize
10.8MB

Download

Analysis

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