bdb19c83eda7b8a232d970a155f429020b83f2c4273dcee84b0af0b00fff011b

Analysis

max time kernel
149s
max time network
51s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-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
behavioral2/memory/4624-0-0x00000000006C0000-0x00000000006E8000-memory.dmp	UPX
behavioral2/files/0x000b000000023b95-3.dat	UPX
behavioral2/memory/3224-5-0x0000000000740000-0x0000000000768000-memory.dmp	UPX
behavioral2/memory/4624-6-0x00000000006C0000-0x00000000006E8000-memory.dmp	UPX
behavioral2/memory/3224-7-0x0000000000740000-0x0000000000768000-memory.dmp	UPX

Executes dropped EXE 1 IoCs

pid	Process
3224	WwanSvc.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4624-0-0x00000000006C0000-0x00000000006E8000-memory.dmp	upx
behavioral2/files/0x000b000000023b95-3.dat	upx
behavioral2/memory/3224-5-0x0000000000740000-0x0000000000768000-memory.dmp	upx
behavioral2/memory/4624-6-0x00000000006C0000-0x00000000006E8000-memory.dmp	upx
behavioral2/memory/3224-7-0x0000000000740000-0x0000000000768000-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 3 IoCs

description	pid	Process	procid_target
PID 4624 wrote to memory of 3224	4624	bdb19c83eda7b8a232d970a155f429020b83f2c4273dcee84b0af0b00fff011b.exe	83
PID 4624 wrote to memory of 3224	4624	bdb19c83eda7b8a232d970a155f429020b83f2c4273dcee84b0af0b00fff011b.exe	83
PID 4624 wrote to memory of 3224	4624	bdb19c83eda7b8a232d970a155f429020b83f2c4273dcee84b0af0b00fff011b.exe	83

C:\Users\Admin\AppData\Local\Temp\bdb19c83eda7b8a232d970a155f429020b83f2c4273dcee84b0af0b00fff011b.exe
"C:\Users\Admin\AppData\Local\Temp\bdb19c83eda7b8a232d970a155f429020b83f2c4273dcee84b0af0b00fff011b.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4624
- C:\ProgramData\Update\WwanSvc.exe
  "C:\ProgramData\Update\WwanSvc.exe" /run
  2⤵
  - Executes dropped EXE
  PID:3224

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

C:\ProgramData\Update\WwanSvc.exe

Filesize
134KB

MD5
643c82f04c456edba610968741b14df5

SHA1
13b0008acb99a36b08c2dac62b2d84b94bff08f7

SHA256
9977bdd26c65399d470022f450d8548b53905f23dd51a2df7ed42669be92f736

SHA512
6d1221eba438835e7bd4bfc4f83553c6f402882a340054655fc8c63e451eda2d49201b1a4856503bef5aa77ff479e43ec714d435504f7fe1fa6109920f9ef041

Download Submit
memory/3224-5-0x0000000000740000-0x0000000000768000-memory.dmp

Filesize
160KB

Download
memory/3224-7-0x0000000000740000-0x0000000000768000-memory.dmp

Filesize
160KB

Download
memory/4624-0-0x00000000006C0000-0x00000000006E8000-memory.dmp

Filesize
160KB

Download
memory/4624-6-0x00000000006C0000-0x00000000006E8000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads