2e3f45822cf7b43f768af036fa247459992d77af618a9e9b62642f4c304a8982

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
02-10-2022 13:54

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General

Target

2e3f45822cf7b43f768af036fa247459992d77af618a9e9b62642f4c304a8982.exe
Size

246KB
MD5

4e606d760a245691f70c46259d5e01f0
SHA1

45453c475d44b1333b6770a9d7318bb5f8c27113
SHA256

2e3f45822cf7b43f768af036fa247459992d77af618a9e9b62642f4c304a8982
SHA512

ad7d06034310736d827f39a8c97467b1ced27dc337ac3d8c069971f565c199c5ac0cfc56ff2efdf868d1c1a53c05437e8565345c57ed70811e39d14ab1cd267a
SSDEEP

6144:rdqFZbqg773/n3lrcGSglDXn9yi3krkieL5KsovDHdTzqudBDo2NrvJy65eW1CXW:omc3lrcGSglDXn9DIBTH1Gf8Gpq9Tbl

Score

8^/10

evasion persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1664	Trojan.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
1468	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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	2e3f45822cf7b43f768af036fa247459992d77af618a9e9b62642f4c304a8982.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 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .."	Trojan.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\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
1664	Trojan.exe
1664	Trojan.exe
1664	Trojan.exe
1664	Trojan.exe
1664	Trojan.exe
1664	Trojan.exe
1664	Trojan.exe
1664	Trojan.exe
1664	Trojan.exe
1664	Trojan.exe
1664	Trojan.exe
1664	Trojan.exe
1664	Trojan.exe
1664	Trojan.exe
1664	Trojan.exe
1664	Trojan.exe
1664	Trojan.exe
1664	Trojan.exe
1664	Trojan.exe
1664	Trojan.exe
1664	Trojan.exe
1664	Trojan.exe
1664	Trojan.exe
1664	Trojan.exe
1664	Trojan.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1664	Trojan.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4920 wrote to memory of 1664	4920	2e3f45822cf7b43f768af036fa247459992d77af618a9e9b62642f4c304a8982.exe	83
PID 4920 wrote to memory of 1664	4920	2e3f45822cf7b43f768af036fa247459992d77af618a9e9b62642f4c304a8982.exe	83
PID 4920 wrote to memory of 1664	4920	2e3f45822cf7b43f768af036fa247459992d77af618a9e9b62642f4c304a8982.exe	83
PID 1664 wrote to memory of 1468	1664	Trojan.exe	84
PID 1664 wrote to memory of 1468	1664	Trojan.exe	84
PID 1664 wrote to memory of 1468	1664	Trojan.exe	84

C:\Users\Admin\AppData\Local\Temp\2e3f45822cf7b43f768af036fa247459992d77af618a9e9b62642f4c304a8982.exe
"C:\Users\Admin\AppData\Local\Temp\2e3f45822cf7b43f768af036fa247459992d77af618a9e9b62642f4c304a8982.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4920
- 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:1664
- - 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:1468

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
246KB

MD5
4e606d760a245691f70c46259d5e01f0

SHA1
45453c475d44b1333b6770a9d7318bb5f8c27113

SHA256
2e3f45822cf7b43f768af036fa247459992d77af618a9e9b62642f4c304a8982

SHA512
ad7d06034310736d827f39a8c97467b1ced27dc337ac3d8c069971f565c199c5ac0cfc56ff2efdf868d1c1a53c05437e8565345c57ed70811e39d14ab1cd267a

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

Filesize
246KB

MD5
4e606d760a245691f70c46259d5e01f0

SHA1
45453c475d44b1333b6770a9d7318bb5f8c27113

SHA256
2e3f45822cf7b43f768af036fa247459992d77af618a9e9b62642f4c304a8982

SHA512
ad7d06034310736d827f39a8c97467b1ced27dc337ac3d8c069971f565c199c5ac0cfc56ff2efdf868d1c1a53c05437e8565345c57ed70811e39d14ab1cd267a

Download Submit
memory/1664-137-0x00000000747E0000-0x0000000074D91000-memory.dmp

Filesize
5.7MB

Download
memory/1664-139-0x00000000747E0000-0x0000000074D91000-memory.dmp

Filesize
5.7MB

Download
memory/4920-132-0x00000000747E0000-0x0000000074D91000-memory.dmp

Filesize
5.7MB

Download
memory/4920-138-0x00000000747E0000-0x0000000074D91000-memory.dmp

Filesize
5.7MB

Download