5bfab23aa8655fda15f07e294e61e40a03cbba08b9341fd246110a426dbb1ea6

Analysis

max time kernel
150s
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
11/03/2024, 11:08

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General

Target

c06f8e06b571d480c80e6df87cda2b1b.exe
Size

2.6MB
MD5

c06f8e06b571d480c80e6df87cda2b1b
SHA1

e9654617e3871194391ecddbb1411e662e1fe061
SHA256

5bfab23aa8655fda15f07e294e61e40a03cbba08b9341fd246110a426dbb1ea6
SHA512

4c43d52d2211a3328cda59f20e05d35149dec8cfb67f61bac5fe31657d5b135929cb4c063637efaf622f510dfddcbc4941c0c269360e95bc380a6c60258c2aa3
SSDEEP

49152:IWqF9cdbC6MQoYz2iMVZKJFkAFY3QiWEtb4QH2AsSx7co0q33+:sF9++Tw2iywoQirtb4QH2AYq33+

Score

7^/10

evasion themida

Malware Config

Signatures

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-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation	c06f8e06b571d480c80e6df87cda2b1b.exe

Executes dropped EXE 1 IoCs

pid	Process
1712	rinst.exe

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-1-5-21-983155329-280873152-1838004294-1000\Software\Wine	rinst.exe

Themida packer 3 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral2/files/0x000700000002320a-16.dat	themida
behavioral2/memory/1712-21-0x0000000000400000-0x000000000052B000-memory.dmp	themida
behavioral2/memory/1712-24-0x0000000000400000-0x000000000052B000-memory.dmp	themida

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2388 wrote to memory of 1712	2388	c06f8e06b571d480c80e6df87cda2b1b.exe	91
PID 2388 wrote to memory of 1712	2388	c06f8e06b571d480c80e6df87cda2b1b.exe	91
PID 2388 wrote to memory of 1712	2388	c06f8e06b571d480c80e6df87cda2b1b.exe	91

C:\Users\Admin\AppData\Local\Temp\c06f8e06b571d480c80e6df87cda2b1b.exe
"C:\Users\Admin\AppData\Local\Temp\c06f8e06b571d480c80e6df87cda2b1b.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2388
- C:\Users\Admin\AppData\Local\Temp\RarSFX0\rinst.exe
  "C:\Users\Admin\AppData\Local\Temp\RarSFX0\rinst.exe"
  2⤵
  - Executes dropped EXE
  - Identifies Wine through registry keys
  PID:1712

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

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\RarSFX0\rinst.exe

Filesize
511KB

MD5
e436b13f39bd4a91416729d975f2d79e

SHA1
896536accf0e14080b3cf63dea816ec8f6b50c10

SHA256
8b0dd069a03d1039f106878c4f8eec508d84ba98811fdcb4425beb38a1452a77

SHA512
1fb796e3d64824284f15338e45f3d6bd5a1253359a8411d7a493a96de80af2b788d823411868bfaa16a5052b47e061010843341225124858904f80a01d43f491

Download Submit
memory/1712-21-0x0000000000400000-0x000000000052B000-memory.dmp

Filesize
1.2MB

Download
memory/1712-24-0x0000000000400000-0x000000000052B000-memory.dmp

Filesize
1.2MB

Download
memory/2388-22-0x0000000000400000-0x0000000000430000-memory.dmp

Filesize
192KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads