c8b41de669363ff7fecae244b46fcc2455cf09c10fd783815094659f912ee326

Resubmissions

28-03-2024 15:06

240328-sgx9sshb9x 10

28-03-2024 14:55

240328-sar47sha3x 10

Analysis

max time kernel
49s
max time network
17s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
28-03-2024 15:06

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General

Target

f8da280bb9f81028c14d1e156d6685cdb5f75219a60f645f72e520fb5e388712.exe
Size

15KB
MD5

aedb1ad5304921ac3883570ebb647a29
SHA1

eb91ca0baf1e7be6b538871714c727232a981acf
SHA256

f8da280bb9f81028c14d1e156d6685cdb5f75219a60f645f72e520fb5e388712
SHA512

6bbe14d668223b1b43e4ce9f7a75eb5892a2cd917b9e725edfda490113860a2ba8971cdbdef33e60a473fd0f831af1812ee6c4671f64be2c45958fa68fe4e88c
SSDEEP

384:nl+IiU+Xh2GFstXnzVmzN/Gv2utvWmIptYcFwVc03K:ox2GGtpG6NfctYcFwVc6K

Score

10^/10

persistence ransomware

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

Processes:

f8da280bb9f81028c14d1e156d6685cdb5f75219a60f645f72e520fb5e388712.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "empty"	f8da280bb9f81028c14d1e156d6685cdb5f75219a60f645f72e520fb5e388712.exe

Drops file in System32 directory 1 IoCs

Processes:

f8da280bb9f81028c14d1e156d6685cdb5f75219a60f645f72e520fb5e388712.exe

description	ioc	process
File created	C:\Windows\SysWOW64\Alo Minegames ransomware.exe	f8da280bb9f81028c14d1e156d6685cdb5f75219a60f645f72e520fb5e388712.exe

Sets desktop wallpaper using registry 2 TTPs 1 IoCs

ransomware

Defacement

T1491

Modify Registry

T1112

Processes:

f8da280bb9f81028c14d1e156d6685cdb5f75219a60f645f72e520fb5e388712.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Control Panel\Desktop\Wallpaper	f8da280bb9f81028c14d1e156d6685cdb5f75219a60f645f72e520fb5e388712.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

f8da280bb9f81028c14d1e156d6685cdb5f75219a60f645f72e520fb5e388712.exe

description pid process

Token: SeDebugPrivilege 2928 f8da280bb9f81028c14d1e156d6685cdb5f75219a60f645f72e520fb5e388712.exe

description	pid	process
Token: SeDebugPrivilege	2928	f8da280bb9f81028c14d1e156d6685cdb5f75219a60f645f72e520fb5e388712.exe

C:\Users\Admin\AppData\Local\Temp\f8da280bb9f81028c14d1e156d6685cdb5f75219a60f645f72e520fb5e388712.exe
"C:\Users\Admin\AppData\Local\Temp\f8da280bb9f81028c14d1e156d6685cdb5f75219a60f645f72e520fb5e388712.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in System32 directory
- Sets desktop wallpaper using registry
- Suspicious use of AdjustPrivilegeToken
PID:2928

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Defacement

T1491

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
68KB

MD5
29f65ba8e88c063813cc50a4ea544e93

SHA1
05a7040d5c127e68c25d81cc51271ffb8bef3568

SHA256
1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

SHA512
e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar28EB.tmp

Filesize
177KB

MD5
435a9ac180383f9fa094131b173a2f7b

SHA1
76944ea657a9db94f9a4bef38f88c46ed4166983

SHA256
67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

SHA512
1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

Download Submit
memory/2928-0-0x0000000000E90000-0x0000000000E9A000-memory.dmp

Filesize
40KB

Download
memory/2928-1-0x0000000074A50000-0x000000007513E000-memory.dmp

Filesize
6.9MB

Download
memory/2928-2-0x0000000004DB0000-0x0000000004DF0000-memory.dmp

Filesize
256KB

Download
memory/2928-40-0x0000000004DB0000-0x0000000004DF0000-memory.dmp

Filesize
256KB

Download
memory/2928-41-0x0000000074A50000-0x000000007513E000-memory.dmp

Filesize
6.9MB

Download