c99af61d990dc07b887fb210a4b146fdfad2f898d7dc330f3c415847a21b49bf

Analysis

max time kernel
153s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
30/10/2022, 12:04

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General

Target

c99af61d990dc07b887fb210a4b146fdfad2f898d7dc330f3c415847a21b49bf.exe
Size

244KB
MD5

93b24cea65d6fc4291773038615c9280
SHA1

d473678cdb6a24839f59c933fee98fdd4b5b633c
SHA256

c99af61d990dc07b887fb210a4b146fdfad2f898d7dc330f3c415847a21b49bf
SHA512

ccc83724f4dae091b9a970062a500cfb5fbe10edbbc24e3280277b7567c67c6f8abe05d28c278bdfe2b7f3baee4284697a39684d0b23450ebb1c77bee1bb5e5a
SSDEEP

3072:RErORhH5uEQ8LhcdAOahTqeNani6yiDeMRB1osGfVR6965yUoK+n0AV8LR3kWeKU:Rdh5BvdcdmhmQK/lRdGt3+0AViCLrAh

Score

8^/10

evasion persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4296	Trojan.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
4448	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	c99af61d990dc07b887fb210a4b146fdfad2f898d7dc330f3c415847a21b49bf.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c7192e982641757f14f66356bb4cf303.exe	Trojan.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c7192e982641757f14f66356bb4cf303.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\c7192e982641757f14f66356bb4cf303 = "\"C:\\Users\\Admin\\Trojan.exe\" .."	Trojan.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\c7192e982641757f14f66356bb4cf303 = "\"C:\\Users\\Admin\\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
4296	Trojan.exe
4296	Trojan.exe
4296	Trojan.exe
4296	Trojan.exe
4296	Trojan.exe
4296	Trojan.exe
4296	Trojan.exe
4296	Trojan.exe
4296	Trojan.exe
4296	Trojan.exe
4296	Trojan.exe
4296	Trojan.exe
4296	Trojan.exe
4296	Trojan.exe
4296	Trojan.exe
4296	Trojan.exe
4296	Trojan.exe
4296	Trojan.exe
4296	Trojan.exe
4296	Trojan.exe
4296	Trojan.exe
4296	Trojan.exe
4296	Trojan.exe
4296	Trojan.exe
4296	Trojan.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4296	Trojan.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3292 wrote to memory of 4296	3292	c99af61d990dc07b887fb210a4b146fdfad2f898d7dc330f3c415847a21b49bf.exe	82
PID 3292 wrote to memory of 4296	3292	c99af61d990dc07b887fb210a4b146fdfad2f898d7dc330f3c415847a21b49bf.exe	82
PID 3292 wrote to memory of 4296	3292	c99af61d990dc07b887fb210a4b146fdfad2f898d7dc330f3c415847a21b49bf.exe	82
PID 4296 wrote to memory of 4448	4296	Trojan.exe	83
PID 4296 wrote to memory of 4448	4296	Trojan.exe	83
PID 4296 wrote to memory of 4448	4296	Trojan.exe	83

C:\Users\Admin\AppData\Local\Temp\c99af61d990dc07b887fb210a4b146fdfad2f898d7dc330f3c415847a21b49bf.exe
"C:\Users\Admin\AppData\Local\Temp\c99af61d990dc07b887fb210a4b146fdfad2f898d7dc330f3c415847a21b49bf.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3292
- C:\Users\Admin\Trojan.exe
  "C:\Users\Admin\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:4296
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\Trojan.exe" "Trojan.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:4448

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\Trojan.exe

Filesize
244KB

MD5
93b24cea65d6fc4291773038615c9280

SHA1
d473678cdb6a24839f59c933fee98fdd4b5b633c

SHA256
c99af61d990dc07b887fb210a4b146fdfad2f898d7dc330f3c415847a21b49bf

SHA512
ccc83724f4dae091b9a970062a500cfb5fbe10edbbc24e3280277b7567c67c6f8abe05d28c278bdfe2b7f3baee4284697a39684d0b23450ebb1c77bee1bb5e5a

Download Submit
C:\Users\Admin\Trojan.exe

Filesize
244KB

MD5
93b24cea65d6fc4291773038615c9280

SHA1
d473678cdb6a24839f59c933fee98fdd4b5b633c

SHA256
c99af61d990dc07b887fb210a4b146fdfad2f898d7dc330f3c415847a21b49bf

SHA512
ccc83724f4dae091b9a970062a500cfb5fbe10edbbc24e3280277b7567c67c6f8abe05d28c278bdfe2b7f3baee4284697a39684d0b23450ebb1c77bee1bb5e5a

Download Submit
memory/3292-132-0x0000000074A30000-0x0000000074FE1000-memory.dmp

Filesize
5.7MB

Download
memory/3292-138-0x0000000074A30000-0x0000000074FE1000-memory.dmp

Filesize
5.7MB

Download
memory/4296-137-0x0000000074A30000-0x0000000074FE1000-memory.dmp

Filesize
5.7MB

Download
memory/4296-139-0x0000000074A30000-0x0000000074FE1000-memory.dmp

Filesize
5.7MB

Download