2643b5d2aa78a1784f5d59bb71e00283af5bc81f4ff7c14b5d3532bffcf03221

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Control Panel\International\Geo\Nation	0083b07dba712fd09d10ea70c3eb5491.exe

Executes dropped EXE 1 IoCs

pid	Process
428	BOxnsLJoBqtiUfF.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-1-5-21-1232405761-1209240240-3206092754-1000\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-1-5-21-1232405761-1209240240-3206092754-1000\Software\Microsoft\Internet Explorer\Download	0083b07dba712fd09d10ea70c3eb5491.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Download\CheckExeSignatures = "no"	0083b07dba712fd09d10ea70c3eb5491.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
3680	0083b07dba712fd09d10ea70c3eb5491.exe
3680	0083b07dba712fd09d10ea70c3eb5491.exe
3680	0083b07dba712fd09d10ea70c3eb5491.exe
3680	0083b07dba712fd09d10ea70c3eb5491.exe
428	BOxnsLJoBqtiUfF.exe
428	BOxnsLJoBqtiUfF.exe
428	BOxnsLJoBqtiUfF.exe
428	BOxnsLJoBqtiUfF.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
3680	0083b07dba712fd09d10ea70c3eb5491.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3680 wrote to memory of 428	3680	0083b07dba712fd09d10ea70c3eb5491.exe	24
PID 3680 wrote to memory of 428	3680	0083b07dba712fd09d10ea70c3eb5491.exe	24
PID 3680 wrote to memory of 428	3680	0083b07dba712fd09d10ea70c3eb5491.exe	24

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

T1112

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

C:\Users\Admin\AppData\Local\Temp\0083b07dba712fd09d10ea70c3eb5491.exe
"C:\Users\Admin\AppData\Local\Temp\0083b07dba712fd09d10ea70c3eb5491.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
- System policy modification
PID:3680
- C:\ProgramData\BOxnsLJoBqtiUfF.exe
  "C:\ProgramData\BOxnsLJoBqtiUfF.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  PID:428

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/428-13-0x0000000000400000-0x000000000067B000-memory.dmp

Filesize
2.5MB

Download
memory/3680-1-0x0000000000400000-0x000000000067B000-memory.dmp

Filesize
2.5MB

Download
memory/3680-0-0x00000000025A0000-0x0000000002740000-memory.dmp

Filesize
1.6MB

Download
memory/3680-14-0x0000000000400000-0x000000000067B000-memory.dmp

Filesize
2.5MB

Download