e970ac3d6357717a65c200e092ad3c4749cc0ce5703d00f0b8d427da6b967506

Analysis

max time kernel
140s
max time network
140s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25-12-2023 19:49

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General

Target

39398049cbc1319a9474acd6266f98c0.exe
Size

464KB
MD5

39398049cbc1319a9474acd6266f98c0
SHA1

42df366dd76872bdf59e65ce71c9d29e3b985b0d
SHA256

e970ac3d6357717a65c200e092ad3c4749cc0ce5703d00f0b8d427da6b967506
SHA512

d542ba4c590a8db77a6b2853652a26df407e0d84bb26cea6f740750434129945c1bc6a61a0b57abf1271b94cd8dce165a8a9efb03a3e3db82112cb1990ffc9e8
SSDEEP

6144:REiaAPohiPJ4PMs6+wq8cYWNENqSpXNPA7Q42reFrEOpmmJg8+E1JP8TTPU:RvRowPbG18YENqSEQX6FhpFJg831sPU

Score

8^/10

Malware Config

Signatures

Manipulates Digital Signatures 1 TTPs 1 IoCs

Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to obtain their binary as valid.

SIP and Trust Provider Hijacking

T1553.003

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing\State = "146944"	s5v0k8qg6ZGVn91.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\PROGRA~3\s5v0k8qg6ZGVn91	s5v0k8qg6ZGVn91.exe

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Main	s5v0k8qg6ZGVn91.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3818056530-936619650-3554021955-1000\Software\Microsoft\Internet Explorer\Main\Use FormSuggest = "Yes"	s5v0k8qg6ZGVn91.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1416	39398049cbc1319a9474acd6266f98c0.exe
1416	39398049cbc1319a9474acd6266f98c0.exe
2384	s5v0k8qg6ZGVn91.exe
2384	s5v0k8qg6ZGVn91.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
1416	39398049cbc1319a9474acd6266f98c0.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2384	s5v0k8qg6ZGVn91.exe
2384	s5v0k8qg6ZGVn91.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
2384	s5v0k8qg6ZGVn91.exe

Suspicious use of SetWindowsHookEx 9 IoCs

pid	Process
1416	39398049cbc1319a9474acd6266f98c0.exe
2384	s5v0k8qg6ZGVn91.exe
2384	s5v0k8qg6ZGVn91.exe
2384	s5v0k8qg6ZGVn91.exe
2384	s5v0k8qg6ZGVn91.exe
2384	s5v0k8qg6ZGVn91.exe
2384	s5v0k8qg6ZGVn91.exe
2384	s5v0k8qg6ZGVn91.exe
2384	s5v0k8qg6ZGVn91.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1416 wrote to memory of 2384	1416	39398049cbc1319a9474acd6266f98c0.exe	28
PID 1416 wrote to memory of 2384	1416	39398049cbc1319a9474acd6266f98c0.exe	28
PID 1416 wrote to memory of 2384	1416	39398049cbc1319a9474acd6266f98c0.exe	28
PID 1416 wrote to memory of 2384	1416	39398049cbc1319a9474acd6266f98c0.exe	28

C:\Users\Admin\AppData\Local\Temp\39398049cbc1319a9474acd6266f98c0.exe
"C:\Users\Admin\AppData\Local\Temp\39398049cbc1319a9474acd6266f98c0.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1416
- C:\PROGRA~3\s5v0k8qg6ZGVn91.exe
  C:\PROGRA~3\s5v0k8qg6ZGVn91.exe
  2⤵
  - Manipulates Digital Signatures
  - Drops file in Program Files directory
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:2384

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Subvert Trust Controls

T1553

SIP and Trust Provider Hijacking

T1553.003

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1416-0-0x0000000002520000-0x00000000026B0000-memory.dmp

Filesize
1.6MB

Download
memory/1416-1-0x0000000000400000-0x00000000006D2000-memory.dmp

Filesize
2.8MB

Download
memory/1416-2-0x0000000000400000-0x00000000006D2000-memory.dmp

Filesize
2.8MB

Download
memory/2384-3-0x0000000000400000-0x00000000006D2000-memory.dmp

Filesize
2.8MB

Download
memory/2384-8-0x0000000000400000-0x00000000006D2000-memory.dmp

Filesize
2.8MB

Download
memory/2384-9-0x0000000000400000-0x00000000006D2000-memory.dmp

Filesize
2.8MB

Download
memory/2384-10-0x0000000000400000-0x00000000006D2000-memory.dmp

Filesize
2.8MB

Download
memory/2384-11-0x0000000000400000-0x00000000006D2000-memory.dmp

Filesize
2.8MB

Download
memory/2384-14-0x0000000000400000-0x00000000006D2000-memory.dmp

Filesize
2.8MB

Download