9334376013cec7d63bae23f99e5c0ffb26f2e9b9730e74495b4000725cdd6ef4

Analysis

max time kernel
150s
max time network
52s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
27-11-2022 15:28

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

9334376013cec7d63bae23f99e5c0ffb26f2e9b9730e74495b4000725cdd6ef4.exe
Size

917KB
MD5

6013b5dc4191ef309bce14e29d44f835
SHA1

01f0b39f373f146f7af7305fa4fed3fd5d68a00b
SHA256

9334376013cec7d63bae23f99e5c0ffb26f2e9b9730e74495b4000725cdd6ef4
SHA512

d2f1a0e8b99140bff02d0c2021953c51b57268644ce342e428253c12ed4429b3bac5d2222d0023180be65ceb32dbb25576a114186200142bf9905cc26022138f
SSDEEP

12288:b3bnX5kaPSU53TqdpA2L1/CpCD37qByX18ENW8sO/dsKQJFmgdX2Dg+ZEDp8pppF:btGL9VFX1FW0FLgX2Dg

Score

8^/10

evasion persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1676	System23.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
584	netsh.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\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\62911fde9b9b4c1a759a0fc924ff9b2c = "\"C:\\Users\\Admin\\AppData\\Roaming\\System23.exe\" .."	System23.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\62911fde9b9b4c1a759a0fc924ff9b2c = "\"C:\\Users\\Admin\\AppData\\Roaming\\System23.exe\" .."	System23.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 19 IoCs

description	pid	Process
Token: SeDebugPrivilege	1676	System23.exe
Token: 33	1676	System23.exe
Token: SeIncBasePriorityPrivilege	1676	System23.exe
Token: 33	1676	System23.exe
Token: SeIncBasePriorityPrivilege	1676	System23.exe
Token: 33	1676	System23.exe
Token: SeIncBasePriorityPrivilege	1676	System23.exe
Token: 33	1676	System23.exe
Token: SeIncBasePriorityPrivilege	1676	System23.exe
Token: 33	1676	System23.exe
Token: SeIncBasePriorityPrivilege	1676	System23.exe
Token: 33	1676	System23.exe
Token: SeIncBasePriorityPrivilege	1676	System23.exe
Token: 33	1676	System23.exe
Token: SeIncBasePriorityPrivilege	1676	System23.exe
Token: 33	1676	System23.exe
Token: SeIncBasePriorityPrivilege	1676	System23.exe
Token: 33	1676	System23.exe
Token: SeIncBasePriorityPrivilege	1676	System23.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 960 wrote to memory of 1676	960	9334376013cec7d63bae23f99e5c0ffb26f2e9b9730e74495b4000725cdd6ef4.exe	27
PID 960 wrote to memory of 1676	960	9334376013cec7d63bae23f99e5c0ffb26f2e9b9730e74495b4000725cdd6ef4.exe	27
PID 960 wrote to memory of 1676	960	9334376013cec7d63bae23f99e5c0ffb26f2e9b9730e74495b4000725cdd6ef4.exe	27
PID 1676 wrote to memory of 584	1676	System23.exe	28
PID 1676 wrote to memory of 584	1676	System23.exe	28
PID 1676 wrote to memory of 584	1676	System23.exe	28

C:\Users\Admin\AppData\Local\Temp\9334376013cec7d63bae23f99e5c0ffb26f2e9b9730e74495b4000725cdd6ef4.exe
"C:\Users\Admin\AppData\Local\Temp\9334376013cec7d63bae23f99e5c0ffb26f2e9b9730e74495b4000725cdd6ef4.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:960
- C:\Users\Admin\AppData\Roaming\System23.exe
  "C:\Users\Admin\AppData\Roaming\System23.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1676
- - C:\Windows\system32\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\System23.exe" "System23.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:584

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\System23.exe

Filesize
917KB

MD5
6013b5dc4191ef309bce14e29d44f835

SHA1
01f0b39f373f146f7af7305fa4fed3fd5d68a00b

SHA256
9334376013cec7d63bae23f99e5c0ffb26f2e9b9730e74495b4000725cdd6ef4

SHA512
d2f1a0e8b99140bff02d0c2021953c51b57268644ce342e428253c12ed4429b3bac5d2222d0023180be65ceb32dbb25576a114186200142bf9905cc26022138f

Download Submit
C:\Users\Admin\AppData\Roaming\System23.exe

Filesize
917KB

MD5
6013b5dc4191ef309bce14e29d44f835

SHA1
01f0b39f373f146f7af7305fa4fed3fd5d68a00b

SHA256
9334376013cec7d63bae23f99e5c0ffb26f2e9b9730e74495b4000725cdd6ef4

SHA512
d2f1a0e8b99140bff02d0c2021953c51b57268644ce342e428253c12ed4429b3bac5d2222d0023180be65ceb32dbb25576a114186200142bf9905cc26022138f

Download Submit
memory/584-62-0x0000000000000000-mapping.dmp

Download
memory/960-54-0x0000000000250000-0x000000000033C000-memory.dmp

Filesize
944KB

Download
memory/960-55-0x0000000000660000-0x0000000000668000-memory.dmp

Filesize
32KB

Download
memory/960-56-0x0000000000670000-0x000000000067E000-memory.dmp

Filesize
56KB

Download
memory/960-57-0x000007FEFC011000-0x000007FEFC013000-memory.dmp

Filesize
8KB

Download
memory/1676-58-0x0000000000000000-mapping.dmp

Download
memory/1676-61-0x0000000001300000-0x00000000013EC000-memory.dmp

Filesize
944KB

Download