7e582db6235d3f86ca8ad9a6846355cbccf41eb1c81c5bf802b0f4bfede64fc0

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
22-05-2024 23:34

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General

Target

7e582db6235d3f86ca8ad9a6846355cbccf41eb1c81c5bf802b0f4bfede64fc0.exe
Size

134KB
MD5

3339c6b45e49f0de38eed59fd66186c1
SHA1

795cc5e686ff37681330b737c87cd02437f58b71
SHA256

7e582db6235d3f86ca8ad9a6846355cbccf41eb1c81c5bf802b0f4bfede64fc0
SHA512

f064f6a86ece99fea8d193f304898949211af0a57f596eaaa0e7ac37b9aed7a339a25fb4764f0765471626ab9d29c365bcf4c352e022becddd227c5fe5daeae5
SSDEEP

1536:rF0AJELopHG9aa+9qX3apJzAKWYr0v7ioy6paK2AZqMIK7aGZh38Qk:riAyLN9aa+9U2rW1ip6pr2At7NZuQk

Score

9^/10

persistence upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2328-0-0x0000000001230000-0x0000000001258000-memory.dmp	UPX
\ProgramData\Update\WwanSvc.exe	UPX
behavioral1/memory/1664-7-0x00000000009C0000-0x00000000009E8000-memory.dmp	UPX
behavioral1/memory/2328-8-0x0000000001230000-0x0000000001258000-memory.dmp	UPX
behavioral1/memory/2328-10-0x0000000001230000-0x0000000001258000-memory.dmp	UPX

Executes dropped EXE 1 IoCs

Processes:

WwanSvc.exe

pid process

1664 WwanSvc.exe
Loads dropped DLL 1 IoCs

Processes:

7e582db6235d3f86ca8ad9a6846355cbccf41eb1c81c5bf802b0f4bfede64fc0.exe

pid process

2328 7e582db6235d3f86ca8ad9a6846355cbccf41eb1c81c5bf802b0f4bfede64fc0.exe

pid	process
1664	WwanSvc.exe

pid	process
2328	7e582db6235d3f86ca8ad9a6846355cbccf41eb1c81c5bf802b0f4bfede64fc0.exe

UPX packed file 5 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2328-0-0x0000000001230000-0x0000000001258000-memory.dmp	upx
\ProgramData\Update\WwanSvc.exe	upx
behavioral1/memory/1664-7-0x00000000009C0000-0x00000000009E8000-memory.dmp	upx
behavioral1/memory/2328-8-0x0000000001230000-0x0000000001258000-memory.dmp	upx
behavioral1/memory/2328-10-0x0000000001230000-0x0000000001258000-memory.dmp	upx

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

7e582db6235d3f86ca8ad9a6846355cbccf41eb1c81c5bf802b0f4bfede64fc0.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Window Update = "\"C:\\ProgramData\\Update\\WwanSvc.exe\" /run"	7e582db6235d3f86ca8ad9a6846355cbccf41eb1c81c5bf802b0f4bfede64fc0.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

7e582db6235d3f86ca8ad9a6846355cbccf41eb1c81c5bf802b0f4bfede64fc0.exe

description	pid	process	target process
PID 2328 wrote to memory of 1664	2328	7e582db6235d3f86ca8ad9a6846355cbccf41eb1c81c5bf802b0f4bfede64fc0.exe	WwanSvc.exe
PID 2328 wrote to memory of 1664	2328	7e582db6235d3f86ca8ad9a6846355cbccf41eb1c81c5bf802b0f4bfede64fc0.exe	WwanSvc.exe
PID 2328 wrote to memory of 1664	2328	7e582db6235d3f86ca8ad9a6846355cbccf41eb1c81c5bf802b0f4bfede64fc0.exe	WwanSvc.exe
PID 2328 wrote to memory of 1664	2328	7e582db6235d3f86ca8ad9a6846355cbccf41eb1c81c5bf802b0f4bfede64fc0.exe	WwanSvc.exe

C:\Users\Admin\AppData\Local\Temp\7e582db6235d3f86ca8ad9a6846355cbccf41eb1c81c5bf802b0f4bfede64fc0.exe
"C:\Users\Admin\AppData\Local\Temp\7e582db6235d3f86ca8ad9a6846355cbccf41eb1c81c5bf802b0f4bfede64fc0.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2328

C:\ProgramData\Update\WwanSvc.exe
"C:\ProgramData\Update\WwanSvc.exe" /run
2⤵
- Executes dropped EXE
PID:1664

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

Replay Monitor

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Downloads

\ProgramData\Update\WwanSvc.exe

Filesize
134KB

MD5
679d6500e6c5842b997b4493a3154f3d

SHA1
a8475c5896bb2fc9992e0fbdd631bb9ada3c96ba

SHA256
0d089520b6dfb45ad919b93f83c58153b3e97766ef87333664cbc481dd3d9f5d

SHA512
72526638c856e3cea1981302418ebe0d0fedf80d67b9384c951ab63d517b683ed0c1bbe95635fc59a57833a7e05545d66ed4bdd3fd196d73f54f0cc2ef21db52

Download Submit
memory/1664-7-0x00000000009C0000-0x00000000009E8000-memory.dmp

Filesize
160KB

Download
memory/2328-0-0x0000000001230000-0x0000000001258000-memory.dmp

Filesize
160KB

Download
memory/2328-6-0x0000000000270000-0x0000000000298000-memory.dmp

Filesize
160KB

Download
memory/2328-8-0x0000000001230000-0x0000000001258000-memory.dmp

Filesize
160KB

Download
memory/2328-9-0x0000000000270000-0x0000000000298000-memory.dmp

Filesize
160KB

Download
memory/2328-10-0x0000000001230000-0x0000000001258000-memory.dmp

Filesize
160KB

Download