b1ea2935f1d773cc114b46a631a94ed8a0f022da1a1502fcffb2e47327d68644

Analysis

max time kernel
151s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
19/10/2022, 21:55

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General

Target

b1ea2935f1d773cc114b46a631a94ed8a0f022da1a1502fcffb2e47327d68644.exe
Size

43KB
MD5

a0aa01263075ff64f97189f19c589ed0
SHA1

30a3a7b6564e74599b9b6bb5a6f4d0ec3784c395
SHA256

b1ea2935f1d773cc114b46a631a94ed8a0f022da1a1502fcffb2e47327d68644
SHA512

a38a802144c9483c82bb7603f8806476ef3502c004c211228f5e53871d1e0940ce81b44f69759e3a1e363a99736bdee9e75b2f4a275c4799d7df02a8bb6a09b0
SSDEEP

768:jvyu8041fT4S14uFVKrtY8VzCTXa7i64/NEPcLZOreFGFjHb5z/dHaZsOI0DYsXl:NodBoSJDYs/21S

Score

8^/10

evasion persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3304	Trojan.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
4264	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	b1ea2935f1d773cc114b46a631a94ed8a0f022da1a1502fcffb2e47327d68644.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-1-5-21-2629973501-4017243118-3254762364-1000\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 27 IoCs

pid	Process
3304	Trojan.exe
3304	Trojan.exe
3304	Trojan.exe
3304	Trojan.exe
3304	Trojan.exe
3304	Trojan.exe
3304	Trojan.exe
3304	Trojan.exe
3304	Trojan.exe
3304	Trojan.exe
3304	Trojan.exe
3304	Trojan.exe
3304	Trojan.exe
3304	Trojan.exe
3304	Trojan.exe
3304	Trojan.exe
3304	Trojan.exe
3304	Trojan.exe
3304	Trojan.exe
3304	Trojan.exe
3304	Trojan.exe
3304	Trojan.exe
3304	Trojan.exe
3304	Trojan.exe
3304	Trojan.exe
3304	Trojan.exe
3304	Trojan.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3304	Trojan.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2252 wrote to memory of 3304	2252	b1ea2935f1d773cc114b46a631a94ed8a0f022da1a1502fcffb2e47327d68644.exe	81
PID 2252 wrote to memory of 3304	2252	b1ea2935f1d773cc114b46a631a94ed8a0f022da1a1502fcffb2e47327d68644.exe	81
PID 2252 wrote to memory of 3304	2252	b1ea2935f1d773cc114b46a631a94ed8a0f022da1a1502fcffb2e47327d68644.exe	81
PID 3304 wrote to memory of 4264	3304	Trojan.exe	82
PID 3304 wrote to memory of 4264	3304	Trojan.exe	82
PID 3304 wrote to memory of 4264	3304	Trojan.exe	82

C:\Users\Admin\AppData\Local\Temp\b1ea2935f1d773cc114b46a631a94ed8a0f022da1a1502fcffb2e47327d68644.exe
"C:\Users\Admin\AppData\Local\Temp\b1ea2935f1d773cc114b46a631a94ed8a0f022da1a1502fcffb2e47327d68644.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2252
- 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:3304
- - 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:4264

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
a0aa01263075ff64f97189f19c589ed0

SHA1
30a3a7b6564e74599b9b6bb5a6f4d0ec3784c395

SHA256
b1ea2935f1d773cc114b46a631a94ed8a0f022da1a1502fcffb2e47327d68644

SHA512
a38a802144c9483c82bb7603f8806476ef3502c004c211228f5e53871d1e0940ce81b44f69759e3a1e363a99736bdee9e75b2f4a275c4799d7df02a8bb6a09b0

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

Filesize
43KB

MD5
a0aa01263075ff64f97189f19c589ed0

SHA1
30a3a7b6564e74599b9b6bb5a6f4d0ec3784c395

SHA256
b1ea2935f1d773cc114b46a631a94ed8a0f022da1a1502fcffb2e47327d68644

SHA512
a38a802144c9483c82bb7603f8806476ef3502c004c211228f5e53871d1e0940ce81b44f69759e3a1e363a99736bdee9e75b2f4a275c4799d7df02a8bb6a09b0

Download Submit
memory/2252-132-0x0000000075310000-0x00000000758C1000-memory.dmp

Filesize
5.7MB

Download
memory/2252-136-0x0000000075310000-0x00000000758C1000-memory.dmp

Filesize
5.7MB

Download
memory/3304-138-0x0000000075310000-0x00000000758C1000-memory.dmp

Filesize
5.7MB

Download
memory/3304-139-0x0000000075310000-0x00000000758C1000-memory.dmp

Filesize
5.7MB

Download