649c75d99b6d8e237d8a8d0142796fcbfa7381674628201f474b58039144ec2a

Resubmissions

15-11-2024 18:05

241115-wpjcdsxrdy 10

11-11-2024 21:40

241111-1h6xbsxcql 10

03-12-2022 17:54

221203-wg4ncscc33 10

Analysis

max time kernel
291s
max time network
354s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
03-12-2022 17:54

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

d72aa8fe30b132afe13a9be90142550b530d9687aff41954bbd3503115f37489.exe
Size

87KB
MD5

769df9e877f419beb20a34515a4b211f
SHA1

8de6ec68b339a3f8761703b20a3cfe1c4370f532
SHA256

d72aa8fe30b132afe13a9be90142550b530d9687aff41954bbd3503115f37489
SHA512

ef19bd14aac3260be66a30ff21fedf181ece14fb67e76546fa41b6462f2514645c0c2cd0a6244be1b03af71459114c66f28bc588eabaab3d340071a80aa8d8ea
SSDEEP

1536:VpQKRk5UqXbkb2bM5XiE6cuR0Zng71jahYQeEmus8jcd3WWn7q:r6rkb2b6S3cuREn0ahZeEmr3WWn7q

Score

10^/10

Malware Config

Signatures

Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.

Processes:

rundll32.exe

description pid pid_target process target process

Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 440 4428 rundll32.exe

description	pid	pid_target	process	target process
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	440	4428	rundll32.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

Processes:

d72aa8fe30b132afe13a9be90142550b530d9687aff41954bbd3503115f37489.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	d72aa8fe30b132afe13a9be90142550b530d9687aff41954bbd3503115f37489.exe

Loads dropped DLL 1 IoCs

Processes:

rundll32.exe

pid process

2120 rundll32.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4080 2120 WerFault.exe rundll32.exe
Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.

Processes:

description flow ioc

HTTP User-Agent header 77 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

pid	process
2120	rundll32.exe

pid	pid_target	process	target process
4080	2120	WerFault.exe	rundll32.exe

description	flow	ioc
HTTP User-Agent header	77	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

d72aa8fe30b132afe13a9be90142550b530d9687aff41954bbd3503115f37489.exerundll32.exe

description	pid	process	target process
PID 5044 wrote to memory of 4404	5044	d72aa8fe30b132afe13a9be90142550b530d9687aff41954bbd3503115f37489.exe	d72aa8fe30b132afe13a9be90142550b530d9687aff41954bbd3503115f37489.exe
PID 5044 wrote to memory of 4404	5044	d72aa8fe30b132afe13a9be90142550b530d9687aff41954bbd3503115f37489.exe	d72aa8fe30b132afe13a9be90142550b530d9687aff41954bbd3503115f37489.exe
PID 5044 wrote to memory of 4404	5044	d72aa8fe30b132afe13a9be90142550b530d9687aff41954bbd3503115f37489.exe	d72aa8fe30b132afe13a9be90142550b530d9687aff41954bbd3503115f37489.exe
PID 440 wrote to memory of 2120	440	rundll32.exe	rundll32.exe
PID 440 wrote to memory of 2120	440	rundll32.exe	rundll32.exe
PID 440 wrote to memory of 2120	440	rundll32.exe	rundll32.exe

C:\Users\Admin\AppData\Local\Temp\d72aa8fe30b132afe13a9be90142550b530d9687aff41954bbd3503115f37489.exe
"C:\Users\Admin\AppData\Local\Temp\d72aa8fe30b132afe13a9be90142550b530d9687aff41954bbd3503115f37489.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:5044
- C:\Users\Admin\AppData\Local\Temp\d72aa8fe30b132afe13a9be90142550b530d9687aff41954bbd3503115f37489.exe
  "C:\Users\Admin\AppData\Local\Temp\d72aa8fe30b132afe13a9be90142550b530d9687aff41954bbd3503115f37489.exe" -q
  2⤵
  PID:4404

C:\Windows\system32\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Local\Temp\db.dll",open
1⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:440
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Local\Temp\db.dll",open
  2⤵
  - Loads dropped DLL
  PID:2120
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2120 -s 204
    3⤵
    - Program crash
    PID:4080

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2120 -ip 2120
1⤵
PID:1260

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\db.dat

Filesize
557KB

MD5
6f5100f5d8d2943c6501864c21c45542

SHA1
ad0bd5d65f09ea329d6abb665ef74b7d13060ea5

SHA256
6cbbc3fd7776ba8b5d2f4e6e33e510c7e71f56431500fe36da1da06ce9d8f177

SHA512
e4f8287fc8ebccc31a805e8c4cf71fefe4445c283e853b175930c29a8b42079522ef35f1c478282cf10c248e4d6f2ebdaf1a7c231cde75a7e84e76bafcaa42d4

Download Submit
C:\Users\Admin\AppData\Local\Temp\db.dll

Filesize
52KB

MD5
845a5f94673e266f80fae41538a94db1

SHA1
a8ed5ba958b94eb55a44f20a4791a58b76e91f0c

SHA256
3d73e4425bb7294f20ef86096504ab96d288bd70d2bc6a8361b629903f3b1d01

SHA512
f01450a61a6b2daec92fab31c9f153c76574f169f3fef2c6d0cf9283cf730a099c9b7c0cbc4ac44cc4d3c067565a49b8135aa85b745ea340a9d5f8c9dc5c3f81

Download Submit
C:\Users\Admin\AppData\Local\Temp\db.dll

Filesize
52KB

MD5
845a5f94673e266f80fae41538a94db1

SHA1
a8ed5ba958b94eb55a44f20a4791a58b76e91f0c

SHA256
3d73e4425bb7294f20ef86096504ab96d288bd70d2bc6a8361b629903f3b1d01

SHA512
f01450a61a6b2daec92fab31c9f153c76574f169f3fef2c6d0cf9283cf730a099c9b7c0cbc4ac44cc4d3c067565a49b8135aa85b745ea340a9d5f8c9dc5c3f81

Download Submit
memory/2120-134-0x0000000000000000-mapping.dmp

Download
memory/4404-132-0x0000000000000000-mapping.dmp

Download