2643b5d2aa78a1784f5d59bb71e00283af5bc81f4ff7c14b5d3532bffcf03221

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
29/12/2023, 18:30

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General

Target

0083b07dba712fd09d10ea70c3eb5491.exe
Size

536KB
MD5

0083b07dba712fd09d10ea70c3eb5491
SHA1

b18251868a1afba068b4462e452a7ec424f614ab
SHA256

2643b5d2aa78a1784f5d59bb71e00283af5bc81f4ff7c14b5d3532bffcf03221
SHA512

368de9e2179c3ae7ed12b197ca32500c89c59cb37dd824cedd9115e7dcf1b04c2ff70e296ba81038d1eca0eb68aa5b2029a9196f502cef9c1ddeede3ab066b3f
SSDEEP

12288:6MMnMMMMMUQEXhRgxrdXtzGcApWZehcZ4UScVQ2pt:6MMnMMMMMnSh+xfaVpWZScocVQ2pt

Score

8^/10

evasion persistence

Malware Config

Signatures

Disables Task Manager via registry modification
evasion

Executes dropped EXE 1 IoCs

pid	Process
3044	BOxnsLJoBqtiUfF.exe

Loads dropped DLL 1 IoCs

pid	Process
3040	0083b07dba712fd09d10ea70c3eb5491.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Windows\CurrentVersion\Run\BOxnsLJoBqtiUfF = "C:\\ProgramData\\BOxnsLJoBqtiUfF.exe"	0083b07dba712fd09d10ea70c3eb5491.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-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\Download	0083b07dba712fd09d10ea70c3eb5491.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Internet Explorer\Download\CheckExeSignatures = "no"	0083b07dba712fd09d10ea70c3eb5491.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3040	0083b07dba712fd09d10ea70c3eb5491.exe
3040	0083b07dba712fd09d10ea70c3eb5491.exe
3044	BOxnsLJoBqtiUfF.exe
3044	BOxnsLJoBqtiUfF.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3040	0083b07dba712fd09d10ea70c3eb5491.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3040 wrote to memory of 3044	3040	0083b07dba712fd09d10ea70c3eb5491.exe	28
PID 3040 wrote to memory of 3044	3040	0083b07dba712fd09d10ea70c3eb5491.exe	28
PID 3040 wrote to memory of 3044	3040	0083b07dba712fd09d10ea70c3eb5491.exe	28
PID 3040 wrote to memory of 3044	3040	0083b07dba712fd09d10ea70c3eb5491.exe	28

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableTaskMgr = "1"	0083b07dba712fd09d10ea70c3eb5491.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System	0083b07dba712fd09d10ea70c3eb5491.exe

C:\Users\Admin\AppData\Local\Temp\0083b07dba712fd09d10ea70c3eb5491.exe
"C:\Users\Admin\AppData\Local\Temp\0083b07dba712fd09d10ea70c3eb5491.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
- System policy modification
PID:3040
- C:\ProgramData\BOxnsLJoBqtiUfF.exe
  "C:\ProgramData\BOxnsLJoBqtiUfF.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  PID:3044

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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:\ProgramData\BOxnsLJoBqtiUfF.exe

Filesize
209KB

MD5
a4abb918997969cf59ecfd2a599b2fb8

SHA1
2d0086f1193429543f87263cc56eca17dd567fe0

SHA256
dde49e92c44529e60309104da4b3b2f81b83f97baeea0c657cb1e06f962a58be

SHA512
5686a2bd29ee7fdabcae8cfe4b52d240252bbd1ba1c303aba6aef15c5337d29e3f3d8a7a9c63847a0f3687cb60679e5aa2c7de47465d6e89e730c928c3e92598

Download Submit
\ProgramData\BOxnsLJoBqtiUfF.exe

Filesize
140KB

MD5
3f769a57418ee4240d8882907afe57dd

SHA1
0f9de316f66419be8ca1184ffbdb9f7176131e6a

SHA256
378fc6242a0475f4fee09f3d01c8ba6fa4dba246e46e1b0ed04f4f01884508ea

SHA512
04c860b72e410de3af8245e7b56f56e585aca63c4e04b5ecfde60674ead52861625baed6cb8d1320232570633c500e8cc0e23603654a7c59b878273e50abc057

Download Submit
memory/3040-0-0x00000000020B0000-0x0000000002240000-memory.dmp

Filesize
1.6MB

Download
memory/3040-1-0x0000000000400000-0x000000000067B000-memory.dmp

Filesize
2.5MB

Download
memory/3040-11-0x0000000000400000-0x000000000067B000-memory.dmp

Filesize
2.5MB

Download
memory/3044-8-0x0000000000400000-0x000000000067B000-memory.dmp

Filesize
2.5MB

Download