6bb58cf16e20a15c24a100a5464e45d730ca6a82a5c839f0aa80bfef76feccd6

Analysis

max time kernel
150s
max time network
153s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
13/12/2022, 17:37

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General

Target
install-win64-11.5.8.exe
Size 751KB
Sample221213-v65fhsfc73
SHA256 6bb58cf16e20a15c24a100a5464e45d730ca6a82a5c839f0aa80bfef76feccd6
MD5 92001e1bc413b90de8af89dba3b63dda
SHA1 b092a1202a2008fbbeef9f7ba43a54aab0ba2738
SHA512 bca2a5d2dcc069ef533d879b8103f1e47faefbfd03c3a067d3f2804af1a90ebb1eae2bc55bab73372bdc42f2ab28982e522f0bc237b4cc5341ef39a75146375d
SSDEEP 3072:kahKyd2n3175939OLVOg7g5zTQpj4ptedjn2OMvEeC:kahOVmVJEJTQW3epn2O
MD5 SHA1 SHA512 SSDEEP

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2004	FORGET~2.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\Microsoft\Windows\CurrentVersion\RunOnce	install-win64-11.5.8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	install-win64-11.5.8.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2004	FORGET~2.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1724 wrote to memory of 2004	1724	install-win64-11.5.8.exe	28
PID 1724 wrote to memory of 2004	1724	install-win64-11.5.8.exe	28
PID 1724 wrote to memory of 2004	1724	install-win64-11.5.8.exe	28
PID 1724 wrote to memory of 2004	1724	install-win64-11.5.8.exe	28

C:\Users\Admin\AppData\Local\Temp\install-win64-11.5.8.exe
"C:\Users\Admin\AppData\Local\Temp\install-win64-11.5.8.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1724
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\FORGET~2.EXE
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\FORGET~2.EXE
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:2004

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

FORGET~2.EXE

Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\FORGET~2.EXE
Size 362.5MB
SHA256 19f8bba9fd799923ed45b1478083a22da57d03ad860995b6b2ea5259858a65b4
MD5 5d62afed04ebb5d2de1fd78c1c80335d
SHA1 f102401eaf54a46dc37713b6190ac27a2e682162
SHA512 a89b3136874fd28ac576aa7bd05b4220f70f005fbf5c5232344c36ead123f9fb03266097c56fe94101342a10fdfc8cb53e73851ce42a39a6552afa730e35c1bb
SSDEEP 1536:1WRDqbOkzV6DtmX3Q0wyzNOI/QEKSfjSPwxpbtedbXakn24Dl4z3AMvEftemVcl:SqFEtg3+yzTQIjzptedjn2OMvE1e8Y
MD5 SHA1 SHA512 SSDEEP

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