ee9dd70687ef98791daf0e7a06c437b373aa8589716dea602a5636cbeefe0b82

Analysis

max time kernel
31s
max time network
19s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
14/07/2024, 20:29

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General

Target

1703e2a6825e290c8da584c71e86cc60N.exe
Size

135KB
MD5

1703e2a6825e290c8da584c71e86cc60
SHA1

feafc890dff86816443abdf9dfa0b3a51f55b956
SHA256

ee9dd70687ef98791daf0e7a06c437b373aa8589716dea602a5636cbeefe0b82
SHA512

f1a8080e2b91cf297cd67e1ac6000372d8b4c0d889a6230e378b6eea084bda3132043e8afd45dc4a040af9bf1fcbdcae60b74bd9b883d94d8c838ecbb6c95f4d
SSDEEP

1536:YGYU/W2/HG6QMauSV3ixJHABLrmhH7i9eNOOg00GqMIK7aGZh3SOz:YfU/WF6QMauSuiWNi9eNOl0007NZIOz

Score

7^/10

persistence upx

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2132	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
1840	wuauclt.exe

Loads dropped DLL 1 IoCs

pid	Process
1140	1703e2a6825e290c8da584c71e86cc60N.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1140-1-0x0000000000330000-0x0000000000358000-memory.dmp	upx
behavioral1/files/0x0009000000018f82-5.dat	upx
behavioral1/memory/1840-7-0x00000000003D0000-0x00000000003F8000-memory.dmp	upx
behavioral1/memory/1840-9-0x00000000003D0000-0x00000000003F8000-memory.dmp	upx
behavioral1/memory/1140-10-0x0000000000330000-0x0000000000358000-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"	1703e2a6825e290c8da584c71e86cc60N.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1140 wrote to memory of 1840	1140	1703e2a6825e290c8da584c71e86cc60N.exe	30
PID 1140 wrote to memory of 1840	1140	1703e2a6825e290c8da584c71e86cc60N.exe	30
PID 1140 wrote to memory of 1840	1140	1703e2a6825e290c8da584c71e86cc60N.exe	30
PID 1140 wrote to memory of 1840	1140	1703e2a6825e290c8da584c71e86cc60N.exe	30
PID 1140 wrote to memory of 2132	1140	1703e2a6825e290c8da584c71e86cc60N.exe	31
PID 1140 wrote to memory of 2132	1140	1703e2a6825e290c8da584c71e86cc60N.exe	31
PID 1140 wrote to memory of 2132	1140	1703e2a6825e290c8da584c71e86cc60N.exe	31
PID 1140 wrote to memory of 2132	1140	1703e2a6825e290c8da584c71e86cc60N.exe	31

C:\Users\Admin\AppData\Local\Temp\1703e2a6825e290c8da584c71e86cc60N.exe
"C:\Users\Admin\AppData\Local\Temp\1703e2a6825e290c8da584c71e86cc60N.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1140
- C:\ProgramData\Update\wuauclt.exe
  "C:\ProgramData\Update\wuauclt.exe" /run
  2⤵
  - Executes dropped EXE
  PID:1840
- C:\windows\SysWOW64\cmd.exe
  "C:\windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\1703e2a6825e290c8da584c71e86cc60N.exe" >> NUL
  2⤵
  - Deletes itself
  PID:2132

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\Update\wuauclt.exe

Filesize
135KB

MD5
f9b6e5bd917e27d676f4efabd324dee0

SHA1
1a9a28d0180f730a8fc280a01845faff4c25b2fa

SHA256
9bd6ccc9a9b6e34777b441eb70309057243b58bbbbded09da5d0e7db18c4c8a0

SHA512
911ef8eeb9e956cd6618cf94be753f22e50ee4ec1dd3cdd58734154c7765fa254aabc96228d41f8470b30af74758c4e02fef6499aca4e4f2a00802a47614e7fe

Download Submit
memory/1140-1-0x0000000000330000-0x0000000000358000-memory.dmp

Filesize
160KB

Download
memory/1140-6-0x00000000003D0000-0x00000000003F8000-memory.dmp

Filesize
160KB

Download
memory/1140-8-0x00000000003D0000-0x00000000003F8000-memory.dmp

Filesize
160KB

Download
memory/1140-10-0x0000000000330000-0x0000000000358000-memory.dmp

Filesize
160KB

Download
memory/1840-7-0x00000000003D0000-0x00000000003F8000-memory.dmp

Filesize
160KB

Download
memory/1840-9-0x00000000003D0000-0x00000000003F8000-memory.dmp

Filesize
160KB

Download

Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads