d5417884e04b9658ee24e380cbf1a9dda61d591ad79f7a8c3593dd26e4e0f504

Analysis

max time kernel
30s
max time network
20s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
15-07-2024 01:32

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General

Target

593cef5a4ba0c0716370666779a24f50N.exe
Size

134KB
MD5

593cef5a4ba0c0716370666779a24f50
SHA1

13acf94e369f23ee09d4bea580ab1af7b7ecd506
SHA256

d5417884e04b9658ee24e380cbf1a9dda61d591ad79f7a8c3593dd26e4e0f504
SHA512

41272faf1ea8e984adaf2f8f23504a6a9bf9e18f27dbc3a22b260a0b6af93b92031273c0210bcf3f3d278a840e45cd743d3141660b8f319bebb7355fcb8e6eb4
SSDEEP

1536:rF0AJELopHG9aa+9qX3apJzAKWYr0v7ioy6paK2AZqMIK7aGZh38Qh:riAyLN9aa+9U2rW1ip6pr2At7NZuQh

Score

7^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2828	WwanSvc.exe

Loads dropped DLL 1 IoCs

pid	Process
2788	593cef5a4ba0c0716370666779a24f50N.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2788-1-0x00000000001B0000-0x00000000001D8000-memory.dmp	upx
behavioral1/files/0x0008000000016c31-2.dat	upx
behavioral1/memory/2828-7-0x0000000000E30000-0x0000000000E58000-memory.dmp	upx
behavioral1/memory/2828-9-0x0000000000E30000-0x0000000000E58000-memory.dmp	upx
behavioral1/memory/2788-10-0x00000000001B0000-0x00000000001D8000-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\\WwanSvc.exe\" /run"	593cef5a4ba0c0716370666779a24f50N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2788 wrote to memory of 2828	2788	593cef5a4ba0c0716370666779a24f50N.exe	31
PID 2788 wrote to memory of 2828	2788	593cef5a4ba0c0716370666779a24f50N.exe	31
PID 2788 wrote to memory of 2828	2788	593cef5a4ba0c0716370666779a24f50N.exe	31
PID 2788 wrote to memory of 2828	2788	593cef5a4ba0c0716370666779a24f50N.exe	31

C:\Users\Admin\AppData\Local\Temp\593cef5a4ba0c0716370666779a24f50N.exe
"C:\Users\Admin\AppData\Local\Temp\593cef5a4ba0c0716370666779a24f50N.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2788
- C:\ProgramData\Update\WwanSvc.exe
  "C:\ProgramData\Update\WwanSvc.exe" /run
  2⤵
  - Executes dropped EXE
  PID:2828

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\ProgramData\Update\WwanSvc.exe

Filesize
134KB

MD5
b4825a89d41bd0c5128a0e6c047b3976

SHA1
c3e268ac5a80c5bb8ca14c1c9f8e9e7440697394

SHA256
0d038b0091dfd6e0b57dcda6802e828461ce3e766ad421a91c6a448e8d84c4ef

SHA512
d76b8b68c84805dc173425700b81f03b403acb2403409dac3e6c6f6b96185b7497c71f826dc866458c5949de74b9252e31e03db78e5e8da41fe4effc4ec40128

Download Submit
memory/2788-1-0x00000000001B0000-0x00000000001D8000-memory.dmp

Filesize
160KB

Download
memory/2788-6-0x0000000000100000-0x0000000000128000-memory.dmp

Filesize
160KB

Download
memory/2788-8-0x0000000000100000-0x0000000000128000-memory.dmp

Filesize
160KB

Download
memory/2788-10-0x00000000001B0000-0x00000000001D8000-memory.dmp

Filesize
160KB

Download
memory/2828-7-0x0000000000E30000-0x0000000000E58000-memory.dmp

Filesize
160KB

Download
memory/2828-9-0x0000000000E30000-0x0000000000E58000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads