2cba3a53b6f768ff778b83c59e09f4a15c3f1a8ed4f07539e304179ed6b1221f

Analysis

max time kernel
150s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
21/11/2022, 17:06

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2cba3a53b6f768ff778b83c59e09f4a15c3f1a8ed4f07539e304179ed6b1221f.exe
Size

53KB
MD5

3049db80087caf34c1ae3b094a7ca880
SHA1

f936609503eb51438b3d30d26e03c4fcae19785a
SHA256

2cba3a53b6f768ff778b83c59e09f4a15c3f1a8ed4f07539e304179ed6b1221f
SHA512

392c4727835b28c922fc2f8469c0321e29bd6c762159dab1e3fbfa3f892ed9141b994b5c5f60527c116c454d194788850bd5a69dbe0bb6dc4c79a26ea7051d33
SSDEEP

768:lU/Pl86Jgr/SuuEf+rG9WTnu2GB581M6HTjHHGqvtq1ssE71iwM4vYNK2qlXQHCv:0WWbrBJ/h2k9M4vY0lAHCCrk3eWO2

Score

8^/10

evasion persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4476	Explorer.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
2060	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-1-5-21-4060001867-1434967833-2212371794-1000\Control Panel\International\Geo\Nation	2cba3a53b6f768ff778b83c59e09f4a15c3f1a8ed4f07539e304179ed6b1221f.exe

Drops startup file 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ac439cebf616f4d8bde17b2a53a518ac.exe	Explorer.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ac439cebf616f4d8bde17b2a53a518ac.exe	Explorer.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-1-5-21-4060001867-1434967833-2212371794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ac439cebf616f4d8bde17b2a53a518ac = "\"C:\\ProgramData\\Explorer.exe\" .."	Explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ac439cebf616f4d8bde17b2a53a518ac = "\"C:\\ProgramData\\Explorer.exe\" .."	Explorer.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

pid	Process
4476	Explorer.exe
4476	Explorer.exe
4476	Explorer.exe
4476	Explorer.exe
4476	Explorer.exe
4476	Explorer.exe
4476	Explorer.exe
4476	Explorer.exe
4476	Explorer.exe
4476	Explorer.exe
4476	Explorer.exe
4476	Explorer.exe
4476	Explorer.exe
4476	Explorer.exe
4476	Explorer.exe
4476	Explorer.exe
4476	Explorer.exe
4476	Explorer.exe
4476	Explorer.exe
4476	Explorer.exe
4476	Explorer.exe
4476	Explorer.exe
4476	Explorer.exe
4476	Explorer.exe
4476	Explorer.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4476	Explorer.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2692 wrote to memory of 4476	2692	2cba3a53b6f768ff778b83c59e09f4a15c3f1a8ed4f07539e304179ed6b1221f.exe	82
PID 2692 wrote to memory of 4476	2692	2cba3a53b6f768ff778b83c59e09f4a15c3f1a8ed4f07539e304179ed6b1221f.exe	82
PID 2692 wrote to memory of 4476	2692	2cba3a53b6f768ff778b83c59e09f4a15c3f1a8ed4f07539e304179ed6b1221f.exe	82
PID 4476 wrote to memory of 2060	4476	Explorer.exe	83
PID 4476 wrote to memory of 2060	4476	Explorer.exe	83
PID 4476 wrote to memory of 2060	4476	Explorer.exe	83

C:\Users\Admin\AppData\Local\Temp\2cba3a53b6f768ff778b83c59e09f4a15c3f1a8ed4f07539e304179ed6b1221f.exe
"C:\Users\Admin\AppData\Local\Temp\2cba3a53b6f768ff778b83c59e09f4a15c3f1a8ed4f07539e304179ed6b1221f.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2692
- C:\ProgramData\Explorer.exe
  "C:\ProgramData\Explorer.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:4476
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\ProgramData\Explorer.exe" "Explorer.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:2060

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\ProgramData\Explorer.exe

Filesize
53KB

MD5
3049db80087caf34c1ae3b094a7ca880

SHA1
f936609503eb51438b3d30d26e03c4fcae19785a

SHA256
2cba3a53b6f768ff778b83c59e09f4a15c3f1a8ed4f07539e304179ed6b1221f

SHA512
392c4727835b28c922fc2f8469c0321e29bd6c762159dab1e3fbfa3f892ed9141b994b5c5f60527c116c454d194788850bd5a69dbe0bb6dc4c79a26ea7051d33

Download Submit
C:\ProgramData\Explorer.exe

Filesize
53KB

MD5
3049db80087caf34c1ae3b094a7ca880

SHA1
f936609503eb51438b3d30d26e03c4fcae19785a

SHA256
2cba3a53b6f768ff778b83c59e09f4a15c3f1a8ed4f07539e304179ed6b1221f

SHA512
392c4727835b28c922fc2f8469c0321e29bd6c762159dab1e3fbfa3f892ed9141b994b5c5f60527c116c454d194788850bd5a69dbe0bb6dc4c79a26ea7051d33

Download Submit
memory/2692-132-0x0000000074AB0000-0x0000000075061000-memory.dmp

Filesize
5.7MB

Download
memory/2692-137-0x0000000074AB0000-0x0000000075061000-memory.dmp

Filesize
5.7MB

Download
memory/4476-138-0x0000000074AB0000-0x0000000075061000-memory.dmp

Filesize
5.7MB

Download
memory/4476-139-0x0000000074AB0000-0x0000000075061000-memory.dmp

Filesize
5.7MB

Download