cffc9f38b735b1416052dc94bb05f10518e5e7bff3329c6af0fea234f9d71e6b

Analysis

max time kernel
144s
max time network
134s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
26/12/2023, 05:09

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General

Target

56d39de5ab9a710c718893c9892f82a1.exe
Size

2.1MB
MD5

56d39de5ab9a710c718893c9892f82a1
SHA1

d6ddb0a2fda16180b2ccbd2f8533ec39d8df0750
SHA256

cffc9f38b735b1416052dc94bb05f10518e5e7bff3329c6af0fea234f9d71e6b
SHA512

654ae67641ed6f6e0d619e9bf2e40f068bb35bf2540c70f2a18ecc0bfde6e740addd90a5694446f2882e595492e6eb0344f558a51f9532073659cc5fee70dcf8
SSDEEP

49152:g+htcCi4I0V/ROqRFWk2ErQEySqgywGgTeVWw9ZchuYL0r/c:g+hvV/ROqR86yiDGRVYh3

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4700	server2w.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
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\\\""	56d39de5ab9a710c718893c9892f82a1.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3924 wrote to memory of 4700	3924	56d39de5ab9a710c718893c9892f82a1.exe	18
PID 3924 wrote to memory of 4700	3924	56d39de5ab9a710c718893c9892f82a1.exe	18
PID 3924 wrote to memory of 4700	3924	56d39de5ab9a710c718893c9892f82a1.exe	18

C:\Users\Admin\AppData\Local\Temp\56d39de5ab9a710c718893c9892f82a1.exe
"C:\Users\Admin\AppData\Local\Temp\56d39de5ab9a710c718893c9892f82a1.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3924
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\server2w.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\server2w.exe
  2⤵
  - Executes dropped EXE
  PID:4700

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\server2w.exe

Filesize
92KB

MD5
3e3667107dac3770e84f2f246e0ecb05

SHA1
74b0c99f1b561e701ca8d769158fa39655e48c7a

SHA256
8838d9efdcb52351e54af7ed403adfab35f24e9da4c4ecbaafd89391b40e5b8c

SHA512
2d40075c6666411d4beb3cb2a448be39f2dacd6f6b77551a679023b69c3f49166833784b05ab5ffad17b98bf3ae66700700c955bcae3c37114840013cc0d90ad

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads