111274933a113f395ee418bcc37d31ba3a5be706a72e505bac5a1a1775ad1281

Analysis

max time kernel
142s
max time network
125s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
24-01-2024 22:37

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General

Target

73077ca0726b451d2ccd933749a2ad1f.exe
Size

806KB
MD5

73077ca0726b451d2ccd933749a2ad1f
SHA1

c2e916294feee1d0658d0e245f70c19283f8681d
SHA256

111274933a113f395ee418bcc37d31ba3a5be706a72e505bac5a1a1775ad1281
SHA512

e6c26b63a5336745eeed68ea590bf77a30510f938e8fdaa3c1d9757b347c6640624e2730b9feaffbb894747eaa51d6dbbadb6e7c1f8df8e0218da64881facfbe
SSDEEP

24576:n46ozCP4l3cXdcD5O4+UU59oKHd0g4MtBTN/xb:n8WoedQ54UUHo80mZd

Score

7^/10

upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1372	setup.exe

Loads dropped DLL 1 IoCs

pid	Process
2252	73077ca0726b451d2ccd933749a2ad1f.exe

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2252-0-0x0000000000980000-0x0000000000BDE000-memory.dmp	upx
behavioral1/memory/2252-4-0x00000000026A0000-0x00000000028FE000-memory.dmp	upx
behavioral1/files/0x000c00000001492c-2.dat	upx
behavioral1/memory/2252-8-0x0000000000980000-0x0000000000BDE000-memory.dmp	upx
behavioral1/memory/1372-9-0x0000000001220000-0x000000000147E000-memory.dmp	upx
behavioral1/memory/1372-29-0x0000000001220000-0x000000000147E000-memory.dmp	upx

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 3 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\Main	setup.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	setup.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	setup.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1372	setup.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
1372	setup.exe

Suspicious use of SetWindowsHookEx 16 IoCs

pid	Process
2252	73077ca0726b451d2ccd933749a2ad1f.exe
2252	73077ca0726b451d2ccd933749a2ad1f.exe
1372	setup.exe
1372	setup.exe
1372	setup.exe
1372	setup.exe
1372	setup.exe
1372	setup.exe
1372	setup.exe
1372	setup.exe
1372	setup.exe
1372	setup.exe
1372	setup.exe
1372	setup.exe
1372	setup.exe
1372	setup.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2252 wrote to memory of 1372	2252	73077ca0726b451d2ccd933749a2ad1f.exe	28
PID 2252 wrote to memory of 1372	2252	73077ca0726b451d2ccd933749a2ad1f.exe	28
PID 2252 wrote to memory of 1372	2252	73077ca0726b451d2ccd933749a2ad1f.exe	28
PID 2252 wrote to memory of 1372	2252	73077ca0726b451d2ccd933749a2ad1f.exe	28
PID 2252 wrote to memory of 1372	2252	73077ca0726b451d2ccd933749a2ad1f.exe	28
PID 2252 wrote to memory of 1372	2252	73077ca0726b451d2ccd933749a2ad1f.exe	28
PID 2252 wrote to memory of 1372	2252	73077ca0726b451d2ccd933749a2ad1f.exe	28

C:\Users\Admin\AppData\Local\Temp\73077ca0726b451d2ccd933749a2ad1f.exe
"C:\Users\Admin\AppData\Local\Temp\73077ca0726b451d2ccd933749a2ad1f.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2252
- C:\Users\Admin\AppData\Local\Temp\setup.exe
  C:\Users\Admin\AppData\Local\Temp\setup.exe relaunch
  2⤵
  - Executes dropped EXE
  - Modifies Internet Explorer settings
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:1372

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\mkQVOYjJSK\intro_page.html

Filesize
15KB

MD5
60995d04e55f8d138cf5183e95942906

SHA1
d90f51dd6705b94d7d3915dad623f61a7654a410

SHA256
05b3464493d500473e1370aafd8c0b8db1678bd38353237141997607caf5c132

SHA512
3886ba8025d96b3ba1522def75b997aec503505c14ec3364bba93fa8a5509c792b44bc67a9afbfcc4af9047bad69ae7c9dfd61ec094079cf7ddf3838704af871

Download Submit
\Users\Admin\AppData\Local\Temp\setup.exe

Filesize
806KB

MD5
73077ca0726b451d2ccd933749a2ad1f

SHA1
c2e916294feee1d0658d0e245f70c19283f8681d

SHA256
111274933a113f395ee418bcc37d31ba3a5be706a72e505bac5a1a1775ad1281

SHA512
e6c26b63a5336745eeed68ea590bf77a30510f938e8fdaa3c1d9757b347c6640624e2730b9feaffbb894747eaa51d6dbbadb6e7c1f8df8e0218da64881facfbe

Download Submit
memory/1372-9-0x0000000001220000-0x000000000147E000-memory.dmp

Filesize
2.4MB

Download
memory/1372-29-0x0000000001220000-0x000000000147E000-memory.dmp

Filesize
2.4MB

Download
memory/2252-0-0x0000000000980000-0x0000000000BDE000-memory.dmp

Filesize
2.4MB

Download
memory/2252-4-0x00000000026A0000-0x00000000028FE000-memory.dmp

Filesize
2.4MB

Download
memory/2252-8-0x0000000000980000-0x0000000000BDE000-memory.dmp

Filesize
2.4MB

Download
memory/2252-31-0x00000000026A0000-0x00000000028FE000-memory.dmp

Filesize
2.4MB

Download