fdc93c2afc504074773dc725e94ad26a4b079d561d9d0fe778c62793ebfd33dd

Analysis

max time kernel
132s
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
05/12/2022, 06:48

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General

Target

fdc93c2afc504074773dc725e94ad26a4b079d561d9d0fe778c62793ebfd33dd.exe
Size

163KB
MD5

32186eef9cf8f6327d0536b9fccc9758
SHA1

3407578c7a16c0fa84db5b2e11dbcecd1a02dcc4
SHA256

fdc93c2afc504074773dc725e94ad26a4b079d561d9d0fe778c62793ebfd33dd
SHA512

01d698cb3227327f6346551d9ef40de4949d35077f8012f886e9151cd7a0541969a1047fe7972eea78d9dfef96646e31c1c18ab0408a559fd9873b0bb910431c
SSDEEP

3072:cGu9BlfzWIbXWm+w0JT5iXB8JDDYc38p5ZiU+goWYsLbe330oAEX:c/0uo2B8JDDd8fZiLSLuko1

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2548	5.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	5.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	fdc93c2afc504074773dc725e94ad26a4b079d561d9d0fe778c62793ebfd33dd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	fdc93c2afc504074773dc725e94ad26a4b079d561d9d0fe778c62793ebfd33dd.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000_Classes\Local Settings	5.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	5.exe

NTFS ADS 1 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Local\Temp\4.exe:Zone.Identifier	5.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2548	5.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4656 wrote to memory of 2548	4656	fdc93c2afc504074773dc725e94ad26a4b079d561d9d0fe778c62793ebfd33dd.exe	80
PID 4656 wrote to memory of 2548	4656	fdc93c2afc504074773dc725e94ad26a4b079d561d9d0fe778c62793ebfd33dd.exe	80
PID 4656 wrote to memory of 2548	4656	fdc93c2afc504074773dc725e94ad26a4b079d561d9d0fe778c62793ebfd33dd.exe	80

C:\Users\Admin\AppData\Local\Temp\fdc93c2afc504074773dc725e94ad26a4b079d561d9d0fe778c62793ebfd33dd.exe
"C:\Users\Admin\AppData\Local\Temp\fdc93c2afc504074773dc725e94ad26a4b079d561d9d0fe778c62793ebfd33dd.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4656
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5.exe
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  - Modifies registry class
  - NTFS ADS
  - Suspicious use of SetWindowsHookEx
  PID:2548

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

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\IXP000.TMP\5.exe

Filesize
2.0MB

MD5
957562778ed56d0d741fba157b5e50e7

SHA1
32b9fe91d93012e529a7ad44add5363738d7e85e

SHA256
c85656a2b28a125db362ae02a1c623b136885e54681b36a7b86471e433d7c25d

SHA512
5ea21eeefedb704f425cfb8c3690a9222eaf675caadf52527e667ec8df672703a3e0f5f1a11c36e1118d746c1fe7d5d170e5f25dff1e0fb89712bfe0971ea6d8

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\5.exe

Filesize
2.0MB

MD5
957562778ed56d0d741fba157b5e50e7

SHA1
32b9fe91d93012e529a7ad44add5363738d7e85e

SHA256
c85656a2b28a125db362ae02a1c623b136885e54681b36a7b86471e433d7c25d

SHA512
5ea21eeefedb704f425cfb8c3690a9222eaf675caadf52527e667ec8df672703a3e0f5f1a11c36e1118d746c1fe7d5d170e5f25dff1e0fb89712bfe0971ea6d8

Download Submit