bdb19c83eda7b8a232d970a155f429020b83f2c4273dcee84b0af0b00fff011b

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
30/04/2024, 02:06

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General

Target

bdb19c83eda7b8a232d970a155f429020b83f2c4273dcee84b0af0b00fff011b.exe
Size

134KB
MD5

ae7c75fd8a35d69be8fde81792a30c5a
SHA1

e0e347d7f760b712f7c729b235f805a1dabb52bc
SHA256

bdb19c83eda7b8a232d970a155f429020b83f2c4273dcee84b0af0b00fff011b
SHA512

705b459fd356384b9c67c7a1c3bf6853eabeeaec0b53d3348598035b30058c9010273178b31ee3714091eec56c7cbd9e75b5f37116a1da636607b1fe37abcbb5
SSDEEP

1536:rF0AJELopHG9aa+9qX3apJzAKWYr0v7ioy6paK2AZqMIK7aGZh38Qs:riAyLN9aa+9U2rW1ip6pr2At7NZuQs

Score

9^/10

persistence upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 5 IoCs

resource	yara_rule
behavioral1/memory/2324-1-0x0000000000F70000-0x0000000000F98000-memory.dmp	UPX
behavioral1/files/0x003300000001416f-2.dat	UPX
behavioral1/memory/2324-4-0x00000000001D0000-0x00000000001F8000-memory.dmp	UPX
behavioral1/memory/1976-7-0x00000000011E0000-0x0000000001208000-memory.dmp	UPX
behavioral1/memory/2324-8-0x0000000000F70000-0x0000000000F98000-memory.dmp	UPX

Executes dropped EXE 1 IoCs

pid	Process
1976	WwanSvc.exe

Loads dropped DLL 1 IoCs

pid	Process
2324	bdb19c83eda7b8a232d970a155f429020b83f2c4273dcee84b0af0b00fff011b.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2324-1-0x0000000000F70000-0x0000000000F98000-memory.dmp	upx
behavioral1/files/0x003300000001416f-2.dat	upx
behavioral1/memory/2324-4-0x00000000001D0000-0x00000000001F8000-memory.dmp	upx
behavioral1/memory/1976-7-0x00000000011E0000-0x0000000001208000-memory.dmp	upx
behavioral1/memory/2324-8-0x0000000000F70000-0x0000000000F98000-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"	bdb19c83eda7b8a232d970a155f429020b83f2c4273dcee84b0af0b00fff011b.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2324 wrote to memory of 1976	2324	bdb19c83eda7b8a232d970a155f429020b83f2c4273dcee84b0af0b00fff011b.exe	28
PID 2324 wrote to memory of 1976	2324	bdb19c83eda7b8a232d970a155f429020b83f2c4273dcee84b0af0b00fff011b.exe	28
PID 2324 wrote to memory of 1976	2324	bdb19c83eda7b8a232d970a155f429020b83f2c4273dcee84b0af0b00fff011b.exe	28
PID 2324 wrote to memory of 1976	2324	bdb19c83eda7b8a232d970a155f429020b83f2c4273dcee84b0af0b00fff011b.exe	28

C:\Users\Admin\AppData\Local\Temp\bdb19c83eda7b8a232d970a155f429020b83f2c4273dcee84b0af0b00fff011b.exe
"C:\Users\Admin\AppData\Local\Temp\bdb19c83eda7b8a232d970a155f429020b83f2c4273dcee84b0af0b00fff011b.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2324
- C:\ProgramData\Update\WwanSvc.exe
  "C:\ProgramData\Update\WwanSvc.exe" /run
  2⤵
  - Executes dropped EXE
  PID:1976

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

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Downloads

\ProgramData\Update\WwanSvc.exe

Filesize
134KB

MD5
ee967b711c42e990391281a115d17535

SHA1
6d3dee6decd0e80ee033460b3949aef93c8b2514

SHA256
22e8892754bd7d19a68c76a49b1bfef2a2276f5c031fbd4f80d6289d71392261

SHA512
e08ef607567d97520e3f679333fa326c019cc06a3a71fcd3e5e0de617c2fc3aff44bb56039f3fa0eb5689f9fa12b978607728763e7f935364ed859eeaed574ff

Download Submit
memory/1976-7-0x00000000011E0000-0x0000000001208000-memory.dmp

Filesize
160KB

Download
memory/2324-1-0x0000000000F70000-0x0000000000F98000-memory.dmp

Filesize
160KB

Download
memory/2324-4-0x00000000001D0000-0x00000000001F8000-memory.dmp

Filesize
160KB

Download
memory/2324-8-0x0000000000F70000-0x0000000000F98000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads