c516e5f1222f9daf95fefc1ded90bc5bfb68a7258ff465ddefb3105254db25f9

Analysis

max time kernel
178s
max time network
191s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
01-12-2022 18:04

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General

Target

c516e5f1222f9daf95fefc1ded90bc5bfb68a7258ff465ddefb3105254db25f9.exe
Size

798KB
MD5

c3c4403512db4c60b0f1d9dd9f0cadf4
SHA1

64cdae8d8d39779f8ba7d805343f05d23c5d5a86
SHA256

c516e5f1222f9daf95fefc1ded90bc5bfb68a7258ff465ddefb3105254db25f9
SHA512

09e6c12d34b79e40c1451c067d6094f401b66c7caea4ec35217e797a289e34610c62ce82cc1c73d9e8dbfb20f4587ec35cd4af120cc46b544b3147d743429059
SSDEEP

12288:sJwILF7o1pGhzMXE/ikCByVIluJnHJuBn5f9kFV4EAxPon4LA:sL7o1cVMXE/6PlIuLu/4PXc

Score

8^/10

evasion persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1840	server.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-1-5-21-4246620582-653642754-1174164128-1000\Software\Wine	server.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce	c516e5f1222f9daf95fefc1ded90bc5bfb68a7258ff465ddefb3105254db25f9.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	c516e5f1222f9daf95fefc1ded90bc5bfb68a7258ff465ddefb3105254db25f9.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4572 wrote to memory of 1840	4572	c516e5f1222f9daf95fefc1ded90bc5bfb68a7258ff465ddefb3105254db25f9.exe	83
PID 4572 wrote to memory of 1840	4572	c516e5f1222f9daf95fefc1ded90bc5bfb68a7258ff465ddefb3105254db25f9.exe	83
PID 4572 wrote to memory of 1840	4572	c516e5f1222f9daf95fefc1ded90bc5bfb68a7258ff465ddefb3105254db25f9.exe	83

C:\Users\Admin\AppData\Local\Temp\c516e5f1222f9daf95fefc1ded90bc5bfb68a7258ff465ddefb3105254db25f9.exe
"C:\Users\Admin\AppData\Local\Temp\c516e5f1222f9daf95fefc1ded90bc5bfb68a7258ff465ddefb3105254db25f9.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4572
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\server.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\server.exe
  2⤵
  - Executes dropped EXE
  - Identifies Wine through registry keys
  PID:1840

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

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

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\server.exe

Filesize
1.3MB

MD5
f807824d195f0adf6356a9c3da91e38c

SHA1
9213117f6ad643fac54146cc0e9a62094895926d

SHA256
a324ee3795737322008d9268db56b5172606923a805fbc370d90d06e0e52ff33

SHA512
027e661fcdb5857af1921d2a4db4b30eedccbddb4ef8ad55cb710f9855ffe86a60d9686460e62623943d42e5d5cab236a8442eaf07f445da2bd14e0bae87f8a5

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\server.exe

Filesize
1.3MB

MD5
f807824d195f0adf6356a9c3da91e38c

SHA1
9213117f6ad643fac54146cc0e9a62094895926d

SHA256
a324ee3795737322008d9268db56b5172606923a805fbc370d90d06e0e52ff33

SHA512
027e661fcdb5857af1921d2a4db4b30eedccbddb4ef8ad55cb710f9855ffe86a60d9686460e62623943d42e5d5cab236a8442eaf07f445da2bd14e0bae87f8a5

Download Submit
memory/1840-132-0x0000000000000000-mapping.dmp

Download
memory/1840-135-0x0000000000400000-0x000000000097A000-memory.dmp

Filesize
5.5MB

Download
memory/1840-136-0x0000000002800000-0x00000000028F0000-memory.dmp

Filesize
960KB

Download
memory/1840-137-0x0000000000400000-0x000000000097A000-memory.dmp

Filesize
5.5MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads