b082d62961f20103d0a6dcea762adbb20a8d2f2306fc08b1ab9aace0a078ff55

Analysis

max time kernel
93s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
09/06/2024, 07:00

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General

Target

b082d62961f20103d0a6dcea762adbb20a8d2f2306fc08b1ab9aace0a078ff55.exe
Size

134KB
MD5

80963c169ed50449c9d3d899b9a3e197
SHA1

4bb5682d1e2783026ef4972ad20551fa0894f728
SHA256

b082d62961f20103d0a6dcea762adbb20a8d2f2306fc08b1ab9aace0a078ff55
SHA512

cc5463d036c8157db7b546997c33d571f4370f4a4ee05d74b0f7afa0f458c6de587ab57157688330e1e8a67133837d2a2a2e15d936e59ceb621b36a83ad1c53d
SSDEEP

1536:rF0AJELopHG9aa+9qX3apJzAKWYr0v7ioy6paK2AZqMIK7aGZh38Qp:riAyLN9aa+9U2rW1ip6pr2At7NZuQp

Score

9^/10

persistence upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 5 IoCs

resource	yara_rule
behavioral2/memory/5052-0-0x0000000000F80000-0x0000000000FA8000-memory.dmp	UPX
behavioral2/files/0x0008000000023403-3.dat	UPX
behavioral2/memory/3632-4-0x0000000000EB0000-0x0000000000ED8000-memory.dmp	UPX
behavioral2/memory/5052-5-0x0000000000F80000-0x0000000000FA8000-memory.dmp	UPX
behavioral2/memory/3632-7-0x0000000000EB0000-0x0000000000ED8000-memory.dmp	UPX

Executes dropped EXE 1 IoCs

pid	Process
3632	WwanSvc.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5052-0-0x0000000000F80000-0x0000000000FA8000-memory.dmp	upx
behavioral2/files/0x0008000000023403-3.dat	upx
behavioral2/memory/3632-4-0x0000000000EB0000-0x0000000000ED8000-memory.dmp	upx
behavioral2/memory/5052-5-0x0000000000F80000-0x0000000000FA8000-memory.dmp	upx
behavioral2/memory/3632-7-0x0000000000EB0000-0x0000000000ED8000-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"	b082d62961f20103d0a6dcea762adbb20a8d2f2306fc08b1ab9aace0a078ff55.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5052 wrote to memory of 3632	5052	b082d62961f20103d0a6dcea762adbb20a8d2f2306fc08b1ab9aace0a078ff55.exe	81
PID 5052 wrote to memory of 3632	5052	b082d62961f20103d0a6dcea762adbb20a8d2f2306fc08b1ab9aace0a078ff55.exe	81
PID 5052 wrote to memory of 3632	5052	b082d62961f20103d0a6dcea762adbb20a8d2f2306fc08b1ab9aace0a078ff55.exe	81

C:\Users\Admin\AppData\Local\Temp\b082d62961f20103d0a6dcea762adbb20a8d2f2306fc08b1ab9aace0a078ff55.exe
"C:\Users\Admin\AppData\Local\Temp\b082d62961f20103d0a6dcea762adbb20a8d2f2306fc08b1ab9aace0a078ff55.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:5052
- C:\ProgramData\Update\WwanSvc.exe
  "C:\ProgramData\Update\WwanSvc.exe" /run
  2⤵
  - Executes dropped EXE
  PID:3632

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
a8627de0b128fd3c45483159c4a6e198

SHA1
b355ba206845d5a1524cb6407d71662f3ea73318

SHA256
9779f2b01db789d5828f2128b356c6a4bbfa27dd6f31f323c9a36be6fff10c65

SHA512
95554b90e39d0676ef680ba44f5f384fd138eb49c14a29e0e922a5b484ee340a3bf057f6c5fa96bf2f6108192638cfbdebf930ccbffa7968748a62737c4725d5

Download Submit
memory/3632-4-0x0000000000EB0000-0x0000000000ED8000-memory.dmp

Filesize
160KB

Download
memory/3632-7-0x0000000000EB0000-0x0000000000ED8000-memory.dmp

Filesize
160KB

Download
memory/5052-0-0x0000000000F80000-0x0000000000FA8000-memory.dmp

Filesize
160KB

Download
memory/5052-5-0x0000000000F80000-0x0000000000FA8000-memory.dmp

Filesize
160KB

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads