4677a35d7f9992e22cfbc49699808de902ac391da4c05e9068df674169a2fea2

Analysis

max time kernel
133s
max time network
164s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-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) 5 IoCs

resource	yara_rule
behavioral2/memory/5112-0-0x0000000000200000-0x0000000000228000-memory.dmp	UPX
behavioral2/files/0x0008000000023263-3.dat	UPX
behavioral2/memory/1996-4-0x0000000000200000-0x0000000000228000-memory.dmp	UPX
behavioral2/memory/5112-6-0x0000000000200000-0x0000000000228000-memory.dmp	UPX
behavioral2/memory/1996-7-0x0000000000200000-0x0000000000228000-memory.dmp	UPX

Executes dropped EXE 1 IoCs

pid	Process
1996	WwanSvc.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5112-0-0x0000000000200000-0x0000000000228000-memory.dmp	upx
behavioral2/files/0x0008000000023263-3.dat	upx
behavioral2/memory/1996-4-0x0000000000200000-0x0000000000228000-memory.dmp	upx
behavioral2/memory/5112-6-0x0000000000200000-0x0000000000228000-memory.dmp	upx
behavioral2/memory/1996-7-0x0000000000200000-0x0000000000228000-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 3 IoCs

description	pid	Process	procid_target
PID 5112 wrote to memory of 1996	5112	4677a35d7f9992e22cfbc49699808de902ac391da4c05e9068df674169a2fea2.exe	91
PID 5112 wrote to memory of 1996	5112	4677a35d7f9992e22cfbc49699808de902ac391da4c05e9068df674169a2fea2.exe	91
PID 5112 wrote to memory of 1996	5112	4677a35d7f9992e22cfbc49699808de902ac391da4c05e9068df674169a2fea2.exe	91

C:\Users\Admin\AppData\Local\Temp\4677a35d7f9992e22cfbc49699808de902ac391da4c05e9068df674169a2fea2.exe
"C:\Users\Admin\AppData\Local\Temp\4677a35d7f9992e22cfbc49699808de902ac391da4c05e9068df674169a2fea2.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:5112
- C:\ProgramData\Update\WwanSvc.exe
  "C:\ProgramData\Update\WwanSvc.exe" /run
  2⤵
  - Executes dropped EXE
  PID:1996

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=2996 --field-trial-handle=3084,i,4016110471176367543,14287608422419064331,262144 --variations-seed-version /prefetch:8
1⤵
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

C:\ProgramData\Update\WwanSvc.exe

Filesize
134KB

MD5
2193a335abe96f7afbcea2c6d47f31da

SHA1
b944886f095f6c4c1bca8e559221742789321081

SHA256
f20c0382d5dc8dcf13a20cc0d28b9e757c59085f401d961bafecd7e2af00dda7

SHA512
a65e5a00b033a786915e65903b5587dd0c482e83b1989d3edc7ba6bf73678b37ddf085bbd9fbd2cd57d5bdec81ab1c43c8dc9d7c71594a5a3037e0e62319ddce

Download Submit
memory/1996-4-0x0000000000200000-0x0000000000228000-memory.dmp

Filesize
160KB

Download
memory/1996-7-0x0000000000200000-0x0000000000228000-memory.dmp

Filesize
160KB

Download
memory/5112-0-0x0000000000200000-0x0000000000228000-memory.dmp

Filesize
160KB

Download
memory/5112-6-0x0000000000200000-0x0000000000228000-memory.dmp

Filesize
160KB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads