8a319aa88a3219ba3101dd4f1cbd41aff3f2bd2bf385f7232556df4c3ef19969

Analysis

max time kernel
149s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07/09/2024, 13:39

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General

Target

$R1/unins000.exe
Size

705KB
MD5

26ee6f06a21fbdf0de18cebd85853bbd
SHA1

e64a373a4c928e3f84174f9d75a286e038d259ff
SHA256

b916906a58e78b9b6c1a4672c12740549a81f57bc1b6bfe8ccef320013eaaa6e
SHA512

599ec361109b861d5cf8e87e20161d050e5a69c5e31bef2ed01d1a6ad441fd69eb21df8ee433a9e07889abe1ffdbb41a8f48182e0ea51c16711c91d679859522
SSDEEP

12288:MuA/arACiIrPe37lzH6A64EGYHuXsr5aER+gjrNAFR9FXsvy8duXEx9ZT:MN/arRiIrPe37lzH6A604cs1aEcdFXGJ

Score

7^/10

discovery

Malware Config

Signatures

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-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	_iu14D2N.tmp

Deletes itself 1 IoCs

pid	Process
4720	_iu14D2N.tmp

Executes dropped EXE 1 IoCs

pid	Process
4720	_iu14D2N.tmp

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	unins000.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	_iu14D2N.tmp
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4720	_iu14D2N.tmp

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3596 wrote to memory of 4720	3596	unins000.exe	85
PID 3596 wrote to memory of 4720	3596	unins000.exe	85
PID 3596 wrote to memory of 4720	3596	unins000.exe	85
PID 4720 wrote to memory of 1912	4720	_iu14D2N.tmp	93
PID 4720 wrote to memory of 1912	4720	_iu14D2N.tmp	93
PID 4720 wrote to memory of 1912	4720	_iu14D2N.tmp	93
PID 1912 wrote to memory of 1928	1912	cmd.exe	95
PID 1912 wrote to memory of 1928	1912	cmd.exe	95
PID 1912 wrote to memory of 1928	1912	cmd.exe	95

C:\Users\Admin\AppData\Local\Temp\$R1\unins000.exe
"C:\Users\Admin\AppData\Local\Temp\$R1\unins000.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3596
- C:\Users\Admin\AppData\Local\Temp\_iu14D2N.tmp
  "C:\Users\Admin\AppData\Local\Temp\_iu14D2N.tmp" /SECONDPHASE="C:\Users\Admin\AppData\Local\Temp\$R1\unins000.exe" /FIRSTPHASEWND=$A0066
  2⤵
  - Checks computer location settings
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4720
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c regsvr32.exe /u /s "C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\QStatSrv.dll"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1912
  - - C:\Windows\SysWOW64\regsvr32.exe
      regsvr32.exe /u /s "C:\Users\Admin\AppData\Roaming\Microsoft\Internet Explorer\QStatSrv.dll"
      4⤵
      System Location Discovery: System Language Discovery
      PID:1928

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\_iu14D2N.tmp

Filesize
705KB

MD5
26ee6f06a21fbdf0de18cebd85853bbd

SHA1
e64a373a4c928e3f84174f9d75a286e038d259ff

SHA256
b916906a58e78b9b6c1a4672c12740549a81f57bc1b6bfe8ccef320013eaaa6e

SHA512
599ec361109b861d5cf8e87e20161d050e5a69c5e31bef2ed01d1a6ad441fd69eb21df8ee433a9e07889abe1ffdbb41a8f48182e0ea51c16711c91d679859522

Download Submit
memory/3596-0-0x0000000002350000-0x0000000002351000-memory.dmp

Filesize
4KB

Download
memory/3596-12-0x0000000000400000-0x00000000004BF000-memory.dmp

Filesize
764KB

Download
memory/4720-6-0x0000000000660000-0x0000000000661000-memory.dmp

Filesize
4KB

Download
memory/4720-13-0x0000000000400000-0x00000000004BF000-memory.dmp

Filesize
764KB

Download
memory/4720-14-0x0000000000660000-0x0000000000661000-memory.dmp

Filesize
4KB

Download
memory/4720-18-0x0000000000400000-0x00000000004BF000-memory.dmp

Filesize
764KB

Download