5bc994b8094275853b84ed9b78bf23627167305723f5157b059456b2e4e6035f

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
22/05/2024, 22:07

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General

Target

5bc994b8094275853b84ed9b78bf23627167305723f5157b059456b2e4e6035f.exe
Size

134KB
MD5

5de1125e08f2a9c4ab621e5b341953ea
SHA1

85d14b7561b520c369508aee8aba128612887ea2
SHA256

5bc994b8094275853b84ed9b78bf23627167305723f5157b059456b2e4e6035f
SHA512

31c717bb05d06cef91f303f1efd2ff6ed0163b60bf5c79f4ef8544567770b75e33e410066fd71b870ea6b452462ebd6d5daef3cd2ef85d22ab9231729fea2be6
SSDEEP

1536:rF0AJELopHG9aa+9qX3apJzAKWYr0v7ioy6paK2AZqMIK7aGZh38Qu:riAyLN9aa+9U2rW1ip6pr2At7NZuQu

Score

9^/10

persistence upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 5 IoCs

resource	yara_rule
behavioral1/memory/2244-1-0x0000000000E30000-0x0000000000E58000-memory.dmp	UPX
behavioral1/files/0x0031000000015d12-2.dat	UPX
behavioral1/memory/2060-7-0x00000000000C0000-0x00000000000E8000-memory.dmp	UPX
behavioral1/memory/2060-9-0x00000000000C0000-0x00000000000E8000-memory.dmp	UPX
behavioral1/memory/2244-10-0x0000000000E30000-0x0000000000E58000-memory.dmp	UPX

Executes dropped EXE 1 IoCs

pid	Process
2060	WwanSvc.exe

Loads dropped DLL 1 IoCs

pid	Process
2244	5bc994b8094275853b84ed9b78bf23627167305723f5157b059456b2e4e6035f.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2244-1-0x0000000000E30000-0x0000000000E58000-memory.dmp	upx
behavioral1/files/0x0031000000015d12-2.dat	upx
behavioral1/memory/2060-7-0x00000000000C0000-0x00000000000E8000-memory.dmp	upx
behavioral1/memory/2060-9-0x00000000000C0000-0x00000000000E8000-memory.dmp	upx
behavioral1/memory/2244-10-0x0000000000E30000-0x0000000000E58000-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"	5bc994b8094275853b84ed9b78bf23627167305723f5157b059456b2e4e6035f.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2244 wrote to memory of 2060	2244	5bc994b8094275853b84ed9b78bf23627167305723f5157b059456b2e4e6035f.exe	28
PID 2244 wrote to memory of 2060	2244	5bc994b8094275853b84ed9b78bf23627167305723f5157b059456b2e4e6035f.exe	28
PID 2244 wrote to memory of 2060	2244	5bc994b8094275853b84ed9b78bf23627167305723f5157b059456b2e4e6035f.exe	28
PID 2244 wrote to memory of 2060	2244	5bc994b8094275853b84ed9b78bf23627167305723f5157b059456b2e4e6035f.exe	28

C:\Users\Admin\AppData\Local\Temp\5bc994b8094275853b84ed9b78bf23627167305723f5157b059456b2e4e6035f.exe
"C:\Users\Admin\AppData\Local\Temp\5bc994b8094275853b84ed9b78bf23627167305723f5157b059456b2e4e6035f.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2244
- C:\ProgramData\Update\WwanSvc.exe
  "C:\ProgramData\Update\WwanSvc.exe" /run
  2⤵
  - Executes dropped EXE
  PID:2060

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
be5db7b9cf4342e452f97fbed85d0657

SHA1
8e00843768f6dbc51ee8b4ce7de4d784fc495d79

SHA256
fe674c04c5235fc2596f7390c70cf5071631dc93a073595a0bcbe67ee7dbe7ce

SHA512
8db74d34ca884bd7c5236b744d7a1ab83a33ff7c5cdf68aaa53f76298b5f59cf709932ba7a0e335ab5df247c9fa94edd050f23f5275e6f6b1f5f840c01ba47da

Download Submit
memory/2060-7-0x00000000000C0000-0x00000000000E8000-memory.dmp

Filesize
160KB

Download
memory/2060-9-0x00000000000C0000-0x00000000000E8000-memory.dmp

Filesize
160KB

Download
memory/2244-1-0x0000000000E30000-0x0000000000E58000-memory.dmp

Filesize
160KB

Download
memory/2244-6-0x00000000000F0000-0x0000000000118000-memory.dmp

Filesize
160KB

Download
memory/2244-8-0x00000000000F0000-0x0000000000118000-memory.dmp

Filesize
160KB

Download
memory/2244-10-0x0000000000E30000-0x0000000000E58000-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