4677a35d7f9992e22cfbc49699808de902ac391da4c05e9068df674169a2fea2

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
08/05/2024, 22:00

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General

Target

4677a35d7f9992e22cfbc49699808de902ac391da4c05e9068df674169a2fea2.exe
Size

134KB
MD5

003aa94b5d59d463ad71112c54a8d06c
SHA1

03cbd26d4465c120ffb882947524aa49f5898dbb
SHA256

4677a35d7f9992e22cfbc49699808de902ac391da4c05e9068df674169a2fea2
SHA512

30ae8f06f9f177b789b9db75c3469927daafe17c3c75974f24e4faaf1bbbf60c3b9257bd08e99720bd106143d7fb40dadcc6bd377a9ff041d4db583aeb45048d
SSDEEP

1536:rF0AJELopHG9aa+9qX3apJzAKWYr0v7ioy6paK2AZqMIK7aGZh38Qa:riAyLN9aa+9U2rW1ip6pr2At7NZuQa

Score

9^/10

persistence upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 6 IoCs

resource	yara_rule
behavioral1/memory/3000-1-0x0000000000E00000-0x0000000000E28000-memory.dmp	UPX
behavioral1/files/0x003400000001508a-2.dat	UPX
behavioral1/memory/3000-4-0x00000000000F0000-0x0000000000118000-memory.dmp	UPX
behavioral1/memory/1796-7-0x0000000000290000-0x00000000002B8000-memory.dmp	UPX
behavioral1/memory/1796-8-0x0000000000290000-0x00000000002B8000-memory.dmp	UPX
behavioral1/memory/3000-9-0x0000000000E00000-0x0000000000E28000-memory.dmp	UPX

Executes dropped EXE 1 IoCs

pid	Process
1796	WwanSvc.exe

Loads dropped DLL 1 IoCs

pid	Process
3000	4677a35d7f9992e22cfbc49699808de902ac391da4c05e9068df674169a2fea2.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3000-1-0x0000000000E00000-0x0000000000E28000-memory.dmp	upx
behavioral1/files/0x003400000001508a-2.dat	upx
behavioral1/memory/3000-4-0x00000000000F0000-0x0000000000118000-memory.dmp	upx
behavioral1/memory/1796-7-0x0000000000290000-0x00000000002B8000-memory.dmp	upx
behavioral1/memory/1796-8-0x0000000000290000-0x00000000002B8000-memory.dmp	upx
behavioral1/memory/3000-9-0x0000000000E00000-0x0000000000E28000-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"	4677a35d7f9992e22cfbc49699808de902ac391da4c05e9068df674169a2fea2.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3000 wrote to memory of 1796	3000	4677a35d7f9992e22cfbc49699808de902ac391da4c05e9068df674169a2fea2.exe	28
PID 3000 wrote to memory of 1796	3000	4677a35d7f9992e22cfbc49699808de902ac391da4c05e9068df674169a2fea2.exe	28
PID 3000 wrote to memory of 1796	3000	4677a35d7f9992e22cfbc49699808de902ac391da4c05e9068df674169a2fea2.exe	28
PID 3000 wrote to memory of 1796	3000	4677a35d7f9992e22cfbc49699808de902ac391da4c05e9068df674169a2fea2.exe	28

C:\Users\Admin\AppData\Local\Temp\4677a35d7f9992e22cfbc49699808de902ac391da4c05e9068df674169a2fea2.exe
"C:\Users\Admin\AppData\Local\Temp\4677a35d7f9992e22cfbc49699808de902ac391da4c05e9068df674169a2fea2.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3000
- C:\ProgramData\Update\WwanSvc.exe
  "C:\ProgramData\Update\WwanSvc.exe" /run
  2⤵
  - Executes dropped EXE
  PID:1796

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
d2bc426d62360eaf58ba81e72a549051

SHA1
d8b784fdee1cf552885a3f4a81e06fa5d4e8c8eb

SHA256
c9a12005f58538841a6329a12943eacd74d61912aa27174c0365d826bcb46c1a

SHA512
64c96edae7a29f8026bdf6c13429a33f2c0d48ddf99fc44000d94bf9b729e23bfbb01585ba03a6aed4c54c0cf8977ac56379994d94807660a419d17ca81d0c84

Download Submit
memory/1796-7-0x0000000000290000-0x00000000002B8000-memory.dmp

Filesize
160KB

Download
memory/1796-8-0x0000000000290000-0x00000000002B8000-memory.dmp

Filesize
160KB

Download
memory/3000-1-0x0000000000E00000-0x0000000000E28000-memory.dmp

Filesize
160KB

Download
memory/3000-4-0x00000000000F0000-0x0000000000118000-memory.dmp

Filesize
160KB

Download
memory/3000-9-0x0000000000E00000-0x0000000000E28000-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