4926da8f17642412e5c19c390aab3df0dcd09586d409c922c7c5d8d1ed8e9aab

Analysis

max time kernel
93s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
20/07/2024, 21:43

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General

Target

0ecf609ddcf3ace6e04121853f0b2f70N.exe
Size

134KB
MD5

0ecf609ddcf3ace6e04121853f0b2f70
SHA1

9000f2fbdce27a1e44adf2c91a673596a02eb484
SHA256

4926da8f17642412e5c19c390aab3df0dcd09586d409c922c7c5d8d1ed8e9aab
SHA512

7a170702339a9a47f3fce1dbd316522236b001b72a946ef2dff39a8d22db6086cb3f235efb2e331802a47b444d089a4c668f4393062e18f0c74c52c83148e1ba
SSDEEP

1536:YGYU/W2/HG6QMauSV3ixJHABLrmhH7i9eNOOg00GqMIK7aGZh3SO0:YfU/WF6QMauSuiWNi9eNOl0007NZIO0

Score

7^/10

persistence upx

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-1-5-21-464762018-485119342-1613148473-1000\Control Panel\International\Geo\Nation	0ecf609ddcf3ace6e04121853f0b2f70N.exe

Executes dropped EXE 1 IoCs

pid	Process
1556	wuauclt.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4756-0-0x00000000002A0000-0x00000000002C8000-memory.dmp	upx
behavioral2/files/0x000800000002344c-2.dat	upx
behavioral2/memory/1556-5-0x0000000000910000-0x0000000000938000-memory.dmp	upx
behavioral2/memory/4756-6-0x00000000002A0000-0x00000000002C8000-memory.dmp	upx
behavioral2/memory/1556-7-0x0000000000910000-0x0000000000938000-memory.dmp	upx
behavioral2/memory/4756-8-0x00000000002A0000-0x00000000002C8000-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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Window Update = "\"C:\\ProgramData\\Update\\wuauclt.exe\" /run"	0ecf609ddcf3ace6e04121853f0b2f70N.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4756 wrote to memory of 1556	4756	0ecf609ddcf3ace6e04121853f0b2f70N.exe	84
PID 4756 wrote to memory of 1556	4756	0ecf609ddcf3ace6e04121853f0b2f70N.exe	84
PID 4756 wrote to memory of 1556	4756	0ecf609ddcf3ace6e04121853f0b2f70N.exe	84
PID 4756 wrote to memory of 2248	4756	0ecf609ddcf3ace6e04121853f0b2f70N.exe	96
PID 4756 wrote to memory of 2248	4756	0ecf609ddcf3ace6e04121853f0b2f70N.exe	96
PID 4756 wrote to memory of 2248	4756	0ecf609ddcf3ace6e04121853f0b2f70N.exe	96

C:\Users\Admin\AppData\Local\Temp\0ecf609ddcf3ace6e04121853f0b2f70N.exe
"C:\Users\Admin\AppData\Local\Temp\0ecf609ddcf3ace6e04121853f0b2f70N.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4756
- C:\ProgramData\Update\wuauclt.exe
  "C:\ProgramData\Update\wuauclt.exe" /run
  2⤵
  - Executes dropped EXE
  PID:1556
- C:\windows\SysWOW64\cmd.exe
  "C:\windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\0ecf609ddcf3ace6e04121853f0b2f70N.exe" >> NUL
  2⤵
  PID:2248

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:\ProgramData\Update\wuauclt.exe

Filesize
134KB

MD5
21cda43379b82793ceada4e58e3c6268

SHA1
181f5afbe4aea4dba4719b2da7659ffdb504e0ae

SHA256
6be46431ba6411a1bcc5f300e9d8c923bcddd2cbbc35ec69e147579b0ab0ea8b

SHA512
a715a2ce0b1d5c823e7a8e5217a55ab87a4bfa0b06ade85eda25df7746de4a9c794faf33120aa49f5fdf8ec3938b703d344844fdcf12264a8cd98d787c468aa2

Download Submit
memory/1556-5-0x0000000000910000-0x0000000000938000-memory.dmp

Filesize
160KB

Download
memory/1556-7-0x0000000000910000-0x0000000000938000-memory.dmp

Filesize
160KB

Download
memory/4756-0-0x00000000002A0000-0x00000000002C8000-memory.dmp

Filesize
160KB

Download
memory/4756-6-0x00000000002A0000-0x00000000002C8000-memory.dmp

Filesize
160KB

Download
memory/4756-8-0x00000000002A0000-0x00000000002C8000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads