bfd66b8c04842a8117a081ac7e9ac1cd83480996428e137534df86939e712e76

Analysis

max time kernel
150s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
01/12/2022, 18:08

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General

Target

bfd66b8c04842a8117a081ac7e9ac1cd83480996428e137534df86939e712e76.exe
Size

40KB
MD5

7bed7c82efafe6fbbe811b9cdb7ef374
SHA1

253e75dd646496c947aea0270ab74110c5445419
SHA256

bfd66b8c04842a8117a081ac7e9ac1cd83480996428e137534df86939e712e76
SHA512

669c8c51c76907b2885ddcaa0d1bcb66c8aee493fec7217aa379f2f691b7a58bb745985f9b5debb87ccb15d8d4fd24b8490eebb9cf77f41fbbcaceb58145b1cd
SSDEEP

768:SI8KnBLmtqeOQhbq+WVGvbsLHCAQpBryb0A4T+Ko+OA5FRe:2KnheOoa0fryAT

Score

8^/10

evasion persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1232	Trojan.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
3644	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	bfd66b8c04842a8117a081ac7e9ac1cd83480996428e137534df86939e712e76.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\8515eb34d8f9de5af815466e9715b3e5.exe	Trojan.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\8515eb34d8f9de5af815466e9715b3e5.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\8515eb34d8f9de5af815466e9715b3e5 = "\"C:\\Users\\Admin\\AppData\\Roaming\\Trojan.exe\" .."	Trojan.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\8515eb34d8f9de5af815466e9715b3e5 = "\"C:\\Users\\Admin\\AppData\\Roaming\\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 23 IoCs

pid	Process
1232	Trojan.exe
1232	Trojan.exe
1232	Trojan.exe
1232	Trojan.exe
1232	Trojan.exe
1232	Trojan.exe
1232	Trojan.exe
1232	Trojan.exe
1232	Trojan.exe
1232	Trojan.exe
1232	Trojan.exe
1232	Trojan.exe
1232	Trojan.exe
1232	Trojan.exe
1232	Trojan.exe
1232	Trojan.exe
1232	Trojan.exe
1232	Trojan.exe
1232	Trojan.exe
1232	Trojan.exe
1232	Trojan.exe
1232	Trojan.exe
1232	Trojan.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1232	Trojan.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1200 wrote to memory of 1232	1200	bfd66b8c04842a8117a081ac7e9ac1cd83480996428e137534df86939e712e76.exe	79
PID 1200 wrote to memory of 1232	1200	bfd66b8c04842a8117a081ac7e9ac1cd83480996428e137534df86939e712e76.exe	79
PID 1200 wrote to memory of 1232	1200	bfd66b8c04842a8117a081ac7e9ac1cd83480996428e137534df86939e712e76.exe	79
PID 1232 wrote to memory of 3644	1232	Trojan.exe	80
PID 1232 wrote to memory of 3644	1232	Trojan.exe	80
PID 1232 wrote to memory of 3644	1232	Trojan.exe	80

C:\Users\Admin\AppData\Local\Temp\bfd66b8c04842a8117a081ac7e9ac1cd83480996428e137534df86939e712e76.exe
"C:\Users\Admin\AppData\Local\Temp\bfd66b8c04842a8117a081ac7e9ac1cd83480996428e137534df86939e712e76.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1200
- C:\Users\Admin\AppData\Roaming\Trojan.exe
  "C:\Users\Admin\AppData\Roaming\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:1232
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\Trojan.exe" "Trojan.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:3644

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\Roaming\Trojan.exe

Filesize
40KB

MD5
7bed7c82efafe6fbbe811b9cdb7ef374

SHA1
253e75dd646496c947aea0270ab74110c5445419

SHA256
bfd66b8c04842a8117a081ac7e9ac1cd83480996428e137534df86939e712e76

SHA512
669c8c51c76907b2885ddcaa0d1bcb66c8aee493fec7217aa379f2f691b7a58bb745985f9b5debb87ccb15d8d4fd24b8490eebb9cf77f41fbbcaceb58145b1cd

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

Filesize
40KB

MD5
7bed7c82efafe6fbbe811b9cdb7ef374

SHA1
253e75dd646496c947aea0270ab74110c5445419

SHA256
bfd66b8c04842a8117a081ac7e9ac1cd83480996428e137534df86939e712e76

SHA512
669c8c51c76907b2885ddcaa0d1bcb66c8aee493fec7217aa379f2f691b7a58bb745985f9b5debb87ccb15d8d4fd24b8490eebb9cf77f41fbbcaceb58145b1cd

Download Submit
memory/1200-132-0x0000000075470000-0x0000000075A21000-memory.dmp

Filesize
5.7MB

Download
memory/1200-138-0x0000000075470000-0x0000000075A21000-memory.dmp

Filesize
5.7MB

Download
memory/1232-136-0x0000000075470000-0x0000000075A21000-memory.dmp

Filesize
5.7MB

Download
memory/1232-139-0x0000000075470000-0x0000000075A21000-memory.dmp

Filesize
5.7MB

Download