6c74e50ceaa637126b99063629235109343c9d26a47b5600b8ab0d89d7718b8e

Analysis

max time kernel
0s
max time network
72s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
01-01-2024 10:20

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General

Target

1e567e801406427827e509bf37646d52.exe
Size

424KB
MD5

1e567e801406427827e509bf37646d52
SHA1

726221e2a319c2e6ce28117519239740d79dc04f
SHA256

6c74e50ceaa637126b99063629235109343c9d26a47b5600b8ab0d89d7718b8e
SHA512

ce2e4d5aa6dbe95a4f7729c5467cb6a639542e057c29aa7a0b28dc932d1076d52519739fe16097e69af195f2871b247aa226b6014c53ca633ea18f64483911ca
SSDEEP

12288:+isrem3UQJ50J8HCpiz71c2E1GvGc62e:+isrDo8iM15Gca

Score

8^/10

evasion persistence upx

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-1-5-21-768304381-2824894965-3840216961-1000\Control Panel\International\Geo\Nation	1e567e801406427827e509bf37646d52.exe

Executes dropped EXE 1 IoCs

pid	Process
4784	IwTQJSaLxi.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1132-2-0x0000000000600000-0x0000000000671000-memory.dmp	upx
behavioral2/memory/4784-21-0x0000000000600000-0x0000000000671000-memory.dmp	upx

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\IwTQJSaLxi = "C:\\ProgramData\\IwTQJSaLxi.exe"	1e567e801406427827e509bf37646d52.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
Set value (str)	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Download\CheckExeSignatures = "no"	1e567e801406427827e509bf37646d52.exe
Key created	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\Software\Microsoft\Internet Explorer\Download	1e567e801406427827e509bf37646d52.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1132	1e567e801406427827e509bf37646d52.exe
1132	1e567e801406427827e509bf37646d52.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1132 wrote to memory of 4784	1132	1e567e801406427827e509bf37646d52.exe	17
PID 1132 wrote to memory of 4784	1132	1e567e801406427827e509bf37646d52.exe	17
PID 1132 wrote to memory of 4784	1132	1e567e801406427827e509bf37646d52.exe	17

System policy modification 1 TTPs 2 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System	1e567e801406427827e509bf37646d52.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableTaskMgr = "1"	1e567e801406427827e509bf37646d52.exe

Views/modifies file attributes 1 TTPs 4 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
4360	attrib.exe
4792	attrib.exe
408	attrib.exe
3888	attrib.exe

C:\Users\Admin\AppData\Local\Temp\1e567e801406427827e509bf37646d52.exe
"C:\Users\Admin\AppData\Local\Temp\1e567e801406427827e509bf37646d52.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1132
- C:\ProgramData\IwTQJSaLxi.exe
  "C:\ProgramData\IwTQJSaLxi.exe"
  2⤵
  - Executes dropped EXE
  PID:4784
- - C:\Windows\SysWOW64\attrib.exe
    attrib +h "F:\*.*" /s /d
    3⤵
    - Views/modifies file attributes
    PID:4360
- - C:\Windows\SysWOW64\attrib.exe
    attrib +h "C:\*.*" /s /d
    3⤵
    - Views/modifies file attributes
    PID:4792
- - C:\Windows\SysWOW64\attrib.exe
    attrib +h "C:\ProgramData\Microsoft\Windows\Start Menu\*.* " /s /d
    3⤵
    - Views/modifies file attributes
    PID:408
- - C:\Windows\SysWOW64\attrib.exe
    attrib +h "C:\Users\Admin\*.* " /s /d
    3⤵
    - Views/modifies file attributes
    PID:3888

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

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1132-1-0x0000000000C50000-0x0000000000CAB000-memory.dmp

Filesize
364KB

Download
memory/1132-2-0x0000000000600000-0x0000000000671000-memory.dmp

Filesize
452KB

Download
memory/1132-0-0x0000000000600000-0x0000000000671000-memory.dmp

Filesize
452KB

Download
memory/1132-16-0x0000000000C50000-0x0000000000CAB000-memory.dmp

Filesize
364KB

Download
memory/4784-15-0x0000000000590000-0x00000000005EB000-memory.dmp

Filesize
364KB

Download
memory/4784-14-0x0000000000600000-0x0000000000671000-memory.dmp

Filesize
452KB

Download
memory/4784-21-0x0000000000600000-0x0000000000671000-memory.dmp

Filesize
452KB

Download