d363851a7db560666b0c232584b079a9bc8f291b97b20c26c565539ab158573f

Analysis

max time kernel
167s
max time network
175s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
04/12/2022, 06:08

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General

Target

d363851a7db560666b0c232584b079a9bc8f291b97b20c26c565539ab158573f.exe
Size

66KB
MD5

04c1539ae554b3341b44f814ff886a1a
SHA1

5faa693187c889349fe54eeabb604b1ddfaeb18e
SHA256

d363851a7db560666b0c232584b079a9bc8f291b97b20c26c565539ab158573f
SHA512

90d44e208e272a9aee0df044c2cd8b6ee3b22742ef8d9d3938d823b120982fbcd282de293a64b9af8944d4a2dfe6f461105c7b394b2198845d46b556caa5ac97
SSDEEP

1536:0Lf8nkW7M6a+Zo6dkRuzYgO9ZgpG229xXqU2zc4tdxtf9i:ogkYTZpEucZ9rx9FL2xdH

Score

8^/10

evasion trojan upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2848	rundll32.exe

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1076-132-0x0000000000010000-0x0000000000040000-memory.dmp	upx
behavioral2/files/0x0007000000022e33-134.dat	upx
behavioral2/files/0x0007000000022e33-135.dat	upx
behavioral2/memory/2848-136-0x0000000000010000-0x0000000000040000-memory.dmp	upx
behavioral2/memory/1076-137-0x0000000000010000-0x0000000000040000-memory.dmp	upx
behavioral2/memory/2848-138-0x0000000000010000-0x0000000000040000-memory.dmp	upx

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	d363851a7db560666b0c232584b079a9bc8f291b97b20c26c565539ab158573f.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1076 wrote to memory of 2848	1076	d363851a7db560666b0c232584b079a9bc8f291b97b20c26c565539ab158573f.exe	80
PID 1076 wrote to memory of 2848	1076	d363851a7db560666b0c232584b079a9bc8f291b97b20c26c565539ab158573f.exe	80
PID 1076 wrote to memory of 2848	1076	d363851a7db560666b0c232584b079a9bc8f291b97b20c26c565539ab158573f.exe	80

C:\Users\Admin\AppData\Local\Temp\d363851a7db560666b0c232584b079a9bc8f291b97b20c26c565539ab158573f.exe
"C:\Users\Admin\AppData\Local\Temp\d363851a7db560666b0c232584b079a9bc8f291b97b20c26c565539ab158573f.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1076
- C:\Users\Admin\AppData\Local\Temp\rundll32.exe
  "C:\Users\Admin\AppData\Local\Temp\rundll32.exe" ENV
  2⤵
  - Executes dropped EXE
  - Checks whether UAC is enabled
  PID:2848

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\rundll32.exe

Filesize
66KB

MD5
04c1539ae554b3341b44f814ff886a1a

SHA1
5faa693187c889349fe54eeabb604b1ddfaeb18e

SHA256
d363851a7db560666b0c232584b079a9bc8f291b97b20c26c565539ab158573f

SHA512
90d44e208e272a9aee0df044c2cd8b6ee3b22742ef8d9d3938d823b120982fbcd282de293a64b9af8944d4a2dfe6f461105c7b394b2198845d46b556caa5ac97

Download Submit
C:\Users\Admin\AppData\Local\Temp\rundll32.exe

Filesize
66KB

MD5
04c1539ae554b3341b44f814ff886a1a

SHA1
5faa693187c889349fe54eeabb604b1ddfaeb18e

SHA256
d363851a7db560666b0c232584b079a9bc8f291b97b20c26c565539ab158573f

SHA512
90d44e208e272a9aee0df044c2cd8b6ee3b22742ef8d9d3938d823b120982fbcd282de293a64b9af8944d4a2dfe6f461105c7b394b2198845d46b556caa5ac97

Download Submit
memory/1076-132-0x0000000000010000-0x0000000000040000-memory.dmp

Filesize
192KB

Download
memory/1076-137-0x0000000000010000-0x0000000000040000-memory.dmp

Filesize
192KB

Download
memory/2848-136-0x0000000000010000-0x0000000000040000-memory.dmp

Filesize
192KB

Download
memory/2848-138-0x0000000000010000-0x0000000000040000-memory.dmp

Filesize
192KB

Download

Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads