ff5d41ef31f308f943f436ea842903b85c9532525b318441e85c2b913e487e1f

Analysis

max time kernel
144s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 15:29

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General

Target

ff5d41ef31f308f943f436ea842903b85c9532525b318441e85c2b913e487e1f.exe
Size

3.2MB
MD5

7cf7b081ae8d338791b985fa97fd6ce5
SHA1

8c692647a93ad7776cee8d49370f557f4cee8514
SHA256

ff5d41ef31f308f943f436ea842903b85c9532525b318441e85c2b913e487e1f
SHA512

f4a07121da959c1bc8c09f33ebc4d35b1de64c60efe8dc123d0221db1dad29d1c5fbf3d4af7b05b54e7bfb54f19b2834277a6ed3a7374a423a71cefe7b7e56b5
SSDEEP

98304:mHZWZAbrvGdksZI5a4OheQEq8YiwOBpIeWxvul:m5IkrvGdhZ4EHi1zwxa

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 1 IoCs

Processes:

ff5d41ef31f308f943f436ea842903b85c9532525b318441e85c2b913e487e1f.exe

pid process

4604 ff5d41ef31f308f943f436ea842903b85c9532525b318441e85c2b913e487e1f.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 4 IoCs

adware spyware

Modify Registry

T1112

Processes:

ff5d41ef31f308f943f436ea842903b85c9532525b318441e85c2b913e487e1f.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	ff5d41ef31f308f943f436ea842903b85c9532525b318441e85c2b913e487e1f.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	ff5d41ef31f308f943f436ea842903b85c9532525b318441e85c2b913e487e1f.exe
Key created	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Internet Explorer\IESettingSync	ff5d41ef31f308f943f436ea842903b85c9532525b318441e85c2b913e487e1f.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	ff5d41ef31f308f943f436ea842903b85c9532525b318441e85c2b913e487e1f.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

ff5d41ef31f308f943f436ea842903b85c9532525b318441e85c2b913e487e1f.exe

description pid process

Token: SeDebugPrivilege 4604 ff5d41ef31f308f943f436ea842903b85c9532525b318441e85c2b913e487e1f.exe

description	pid	process
Token: SeDebugPrivilege	4604	ff5d41ef31f308f943f436ea842903b85c9532525b318441e85c2b913e487e1f.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

ff5d41ef31f308f943f436ea842903b85c9532525b318441e85c2b913e487e1f.exe

pid	process
4604	ff5d41ef31f308f943f436ea842903b85c9532525b318441e85c2b913e487e1f.exe
4604	ff5d41ef31f308f943f436ea842903b85c9532525b318441e85c2b913e487e1f.exe

C:\Users\Admin\AppData\Local\Temp\ff5d41ef31f308f943f436ea842903b85c9532525b318441e85c2b913e487e1f.exe
"C:\Users\Admin\AppData\Local\Temp\ff5d41ef31f308f943f436ea842903b85c9532525b318441e85c2b913e487e1f.exe"
1⤵
- Loads dropped DLL
- Modifies Internet Explorer settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:4604

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\7z.dll

Filesize
893KB

MD5
04ad4b80880b32c94be8d0886482c774

SHA1
344faf61c3eb76f4a2fb6452e83ed16c9cce73e0

SHA256
a1e1d1f0fff4fcccfbdfa313f3bdfea4d3dfe2c2d9174a615bbc39a0a6929338

SHA512
3e3aaf01b769471b18126e443a721c9e9a0269e9f5e48d0a10251bc1ee309855bd71ede266caa6828b007359b21ba562c2a5a3469078760f564fb7bd43acabfb

Download Submit
memory/4604-132-0x0000000075580000-0x0000000075B31000-memory.dmp

Filesize
5.7MB

Download
memory/4604-134-0x0000000075580000-0x0000000075B31000-memory.dmp

Filesize
5.7MB

Download