dbcd7f58b8c902cb3ba1736c83fb0244d4f3c977293cb3779c8c58e956294b79

Analysis

max time kernel
142s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
10/03/2024, 07:03

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General

Target

bdfa67618e35ffb527e2872924df1d6e.dll
Size

626KB
MD5

bdfa67618e35ffb527e2872924df1d6e
SHA1

99484b6a9d63f795614f400c0613649edeadfdef
SHA256

dbcd7f58b8c902cb3ba1736c83fb0244d4f3c977293cb3779c8c58e956294b79
SHA512

c0e8aac869205bb0f1e4473eba59752c90d9a65f592176c683a74ec3cb7c0c36ef80806243e995df82e082feb4baeec4febfd3541d5ba69bc8c45c0f722fdfc3
SSDEEP

12288:Qos1REnzqLczCsJ6GUKwl22uizhWl46+lqTst/CtTB7yCPf/+PNTIZIl:e1+DGxldz46DlQs9k9yCP3+FTK

Score

7^/10

evasion themida

Malware Config

Signatures

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Wine	rundll32.exe

Themida packer 2 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral2/memory/2980-0-0x0000000074BF0000-0x0000000074D48000-memory.dmp	themida
behavioral2/memory/2980-3-0x0000000074BF0000-0x0000000074D48000-memory.dmp	themida

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2500 wrote to memory of 2980	2500	rundll32.exe	95
PID 2500 wrote to memory of 2980	2500	rundll32.exe	95
PID 2500 wrote to memory of 2980	2500	rundll32.exe	95

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bdfa67618e35ffb527e2872924df1d6e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2500
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bdfa67618e35ffb527e2872924df1d6e.dll,#1
  2⤵
  - Identifies Wine through registry keys
  PID:2980

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4136 --field-trial-handle=2744,i,16362475727591565961,3676688664819797550,262144 --variations-seed-version /prefetch:8
1⤵
PID:4156

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2980-0-0x0000000074BF0000-0x0000000074D48000-memory.dmp

Filesize
1.3MB

Download
memory/2980-1-0x0000000000B90000-0x0000000000C2D000-memory.dmp

Filesize
628KB

Download
memory/2980-2-0x00000000025B0000-0x000000000274E000-memory.dmp

Filesize
1.6MB

Download
memory/2980-3-0x0000000074BF0000-0x0000000074D48000-memory.dmp

Filesize
1.3MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads