607b41bdc0fc51dd3676d5ffa11d1cd9f3ba67762d3f4233327068754aff8799

Analysis

max time kernel
142s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
27/03/2024, 12:43

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General

Target

e1b1b16e6b5271a7b95ab7a99c11b992.exe
Size

2.3MB
MD5

e1b1b16e6b5271a7b95ab7a99c11b992
SHA1

0096ba72976dbf870ed5be602c6c60aad030c60f
SHA256

607b41bdc0fc51dd3676d5ffa11d1cd9f3ba67762d3f4233327068754aff8799
SHA512

e814be41f0a605c36f0c3c615cfe22191fb543a11a9f20b6a57599d5fe6849132fb403b4bbfd8a9b52ba76d3ac584636a5fbb9664fecda0b222ff2c801f12514
SSDEEP

49152:tWBQTR1zJeB9Y+ecr7/NAScKYhoomQ5ZXSE5PrnZKs9GIEFJGLnoy6nz4Wxmf44:KgHzwne07/NvcsHq5P7ZXGIzbovwP

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-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation	e1b1b16e6b5271a7b95ab7a99c11b992.exe

Executes dropped EXE 1 IoCs

pid	Process
1508	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-1-5-21-1497073144-2389943819-3385106915-1000\Software\Wine	rinst.exe

Themida packer 3 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral2/files/0x000600000002321b-16.dat	themida
behavioral2/memory/1508-21-0x0000000000400000-0x000000000052B000-memory.dmp	themida
behavioral2/memory/1508-24-0x0000000000400000-0x000000000052B000-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 1572 wrote to memory of 1508	1572	e1b1b16e6b5271a7b95ab7a99c11b992.exe	85
PID 1572 wrote to memory of 1508	1572	e1b1b16e6b5271a7b95ab7a99c11b992.exe	85
PID 1572 wrote to memory of 1508	1572	e1b1b16e6b5271a7b95ab7a99c11b992.exe	85

C:\Users\Admin\AppData\Local\Temp\e1b1b16e6b5271a7b95ab7a99c11b992.exe
"C:\Users\Admin\AppData\Local\Temp\e1b1b16e6b5271a7b95ab7a99c11b992.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1572
- 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:1508

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/1508-21-0x0000000000400000-0x000000000052B000-memory.dmp

Filesize
1.2MB

Download
memory/1508-24-0x0000000000400000-0x000000000052B000-memory.dmp

Filesize
1.2MB

Download
memory/1572-22-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads