ac6c33f851a80389428edacefb0ed9d1ad5e008676ff3bf909e0f357fb247608

Analysis

max time kernel
223s
max time network
253s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
25/11/2022, 21:01

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General

Target

ac6c33f851a80389428edacefb0ed9d1ad5e008676ff3bf909e0f357fb247608.exe
Size

43KB
MD5

d73660a8a86dd85ad70da0b475561a9c
SHA1

518fb94f6c87156f3e92ef2d48ceaf122cead363
SHA256

ac6c33f851a80389428edacefb0ed9d1ad5e008676ff3bf909e0f357fb247608
SHA512

02ff44136a34172882e24ed5e91026dda01335ff995c8f4d891c26fd3c41b1ca91878d1dc207bf7150127d0a6588c1cc6d931c59723955a7881c4cb1b1b6c5f5
SSDEEP

768:pO05/8+zaBGSkMWAbDrq9OT+2I45c1r6H8jHywqvtu1iR4r103aNzwrDHCCjPkak:XMmOnMKUgK9EaYHCCrk

Score

8^/10

evasion persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1116	Trojan.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
1732	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	ac6c33f851a80389428edacefb0ed9d1ad5e008676ff3bf909e0f357fb247608.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5cd8f17f4086744065eb0992a09e05a2.exe	Trojan.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5cd8f17f4086744065eb0992a09e05a2.exe	Trojan.exe

Adds Run key to start application 2 TTPs 1 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\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .."	Trojan.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
1116	Trojan.exe
1116	Trojan.exe
1116	Trojan.exe
1116	Trojan.exe
1116	Trojan.exe
1116	Trojan.exe
1116	Trojan.exe
1116	Trojan.exe
1116	Trojan.exe
1116	Trojan.exe
1116	Trojan.exe
1116	Trojan.exe
1116	Trojan.exe
1116	Trojan.exe
1116	Trojan.exe
1116	Trojan.exe
1116	Trojan.exe
1116	Trojan.exe
1116	Trojan.exe
1116	Trojan.exe
1116	Trojan.exe
1116	Trojan.exe
1116	Trojan.exe
1116	Trojan.exe
1116	Trojan.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1116	Trojan.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4904 wrote to memory of 1116	4904	ac6c33f851a80389428edacefb0ed9d1ad5e008676ff3bf909e0f357fb247608.exe	79
PID 4904 wrote to memory of 1116	4904	ac6c33f851a80389428edacefb0ed9d1ad5e008676ff3bf909e0f357fb247608.exe	79
PID 4904 wrote to memory of 1116	4904	ac6c33f851a80389428edacefb0ed9d1ad5e008676ff3bf909e0f357fb247608.exe	79
PID 1116 wrote to memory of 1732	1116	Trojan.exe	80
PID 1116 wrote to memory of 1732	1116	Trojan.exe	80
PID 1116 wrote to memory of 1732	1116	Trojan.exe	80

C:\Users\Admin\AppData\Local\Temp\ac6c33f851a80389428edacefb0ed9d1ad5e008676ff3bf909e0f357fb247608.exe
"C:\Users\Admin\AppData\Local\Temp\ac6c33f851a80389428edacefb0ed9d1ad5e008676ff3bf909e0f357fb247608.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4904
- C:\Users\Admin\AppData\Local\Temp\Trojan.exe
  "C:\Users\Admin\AppData\Local\Temp\Trojan.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:1116
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Trojan.exe" "Trojan.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:1732

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

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Downloads

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

Filesize
43KB

MD5
d73660a8a86dd85ad70da0b475561a9c

SHA1
518fb94f6c87156f3e92ef2d48ceaf122cead363

SHA256
ac6c33f851a80389428edacefb0ed9d1ad5e008676ff3bf909e0f357fb247608

SHA512
02ff44136a34172882e24ed5e91026dda01335ff995c8f4d891c26fd3c41b1ca91878d1dc207bf7150127d0a6588c1cc6d931c59723955a7881c4cb1b1b6c5f5

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

Filesize
43KB

MD5
d73660a8a86dd85ad70da0b475561a9c

SHA1
518fb94f6c87156f3e92ef2d48ceaf122cead363

SHA256
ac6c33f851a80389428edacefb0ed9d1ad5e008676ff3bf909e0f357fb247608

SHA512
02ff44136a34172882e24ed5e91026dda01335ff995c8f4d891c26fd3c41b1ca91878d1dc207bf7150127d0a6588c1cc6d931c59723955a7881c4cb1b1b6c5f5

Download Submit
memory/1116-138-0x0000000075170000-0x0000000075721000-memory.dmp

Filesize
5.7MB

Download
memory/1116-139-0x0000000075170000-0x0000000075721000-memory.dmp

Filesize
5.7MB

Download
memory/4904-132-0x0000000075170000-0x0000000075721000-memory.dmp

Filesize
5.7MB

Download
memory/4904-136-0x0000000075170000-0x0000000075721000-memory.dmp

Filesize
5.7MB

Download