e963c12bf3b1ee0edc47099a5dd88c2348c368719df71eba054d2f930840239d

Analysis

max time kernel
144s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 00:35

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General

Target

1d4a924a3c08cc820a0dd0543a528d02.exe
Size

40KB
MD5

1d4a924a3c08cc820a0dd0543a528d02
SHA1

05087a073ad9673ad88b173ff72be0c24db8c2bc
SHA256

e963c12bf3b1ee0edc47099a5dd88c2348c368719df71eba054d2f930840239d
SHA512

1ef310e2b251857d53dcc4830498aa6a47f95e7cf84cdcbfeb1ecd9aca464b3b8f672fcc23820ed0ed55a2b90bd4e6ededca3ee618ebcd6a0faeb6c2af421cd7
SSDEEP

384:0SBD9q934JbnoukusPW/6tusat4JEH1Vmu/pLTAlmQZzeT0pqfALXsKL+Nf:r9q93gbnoRus+/Sus47mv/cf

Score

7^/10

persistence

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-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation	1d4a924a3c08cc820a0dd0543a528d02.exe

Executes dropped EXE 1 IoCs

pid	Process
4556	winlogon.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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\yuERDpKxAj = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\\\winlogon.exe\""	1d4a924a3c08cc820a0dd0543a528d02.exe

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

System Information Discovery
T1082

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4556	winlogon.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2292	1d4a924a3c08cc820a0dd0543a528d02.exe
4556	winlogon.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2292 wrote to memory of 4556	2292	1d4a924a3c08cc820a0dd0543a528d02.exe	27
PID 2292 wrote to memory of 4556	2292	1d4a924a3c08cc820a0dd0543a528d02.exe	27
PID 2292 wrote to memory of 4556	2292	1d4a924a3c08cc820a0dd0543a528d02.exe	27

C:\Users\Admin\AppData\Local\Temp\1d4a924a3c08cc820a0dd0543a528d02.exe
"C:\Users\Admin\AppData\Local\Temp\1d4a924a3c08cc820a0dd0543a528d02.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2292
- C:\Users\Admin\AppData\Local\Temp\winlogon.exe
  "C:\Users\Admin\AppData\Local\Temp\winlogon.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  PID:4556

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

C:\Users\Admin\AppData\Local\Temp\winlogon.exe

Filesize
40KB

MD5
1d4a924a3c08cc820a0dd0543a528d02

SHA1
05087a073ad9673ad88b173ff72be0c24db8c2bc

SHA256
e963c12bf3b1ee0edc47099a5dd88c2348c368719df71eba054d2f930840239d

SHA512
1ef310e2b251857d53dcc4830498aa6a47f95e7cf84cdcbfeb1ecd9aca464b3b8f672fcc23820ed0ed55a2b90bd4e6ededca3ee618ebcd6a0faeb6c2af421cd7

Download Submit
memory/2292-1-0x0000000000E40000-0x0000000000E50000-memory.dmp

Filesize
64KB

Download
memory/2292-2-0x00000000748F0000-0x0000000074EA1000-memory.dmp

Filesize
5.7MB

Download
memory/2292-0-0x00000000748F0000-0x0000000074EA1000-memory.dmp

Filesize
5.7MB

Download
memory/2292-15-0x00000000748F0000-0x0000000074EA1000-memory.dmp

Filesize
5.7MB

Download
memory/4556-16-0x00000000748F0000-0x0000000074EA1000-memory.dmp

Filesize
5.7MB

Download
memory/4556-17-0x00000000748F0000-0x0000000074EA1000-memory.dmp

Filesize
5.7MB

Download
memory/4556-19-0x0000000001B30000-0x0000000001B40000-memory.dmp

Filesize
64KB

Download
memory/4556-18-0x00000000748F0000-0x0000000074EA1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads