7931d62d5ea0c90529c28b63a8ddb57481735ab94ff433f5945c38deb4dd01b2

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
22-05-2024 01:29

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General

Target

7931d62d5ea0c90529c28b63a8ddb57481735ab94ff433f5945c38deb4dd01b2.exe
Size

134KB
MD5

d63fcd8ee78f03c86522f606e16d426f
SHA1

70abe96603e543305fb2b49f3e19cab68722d593
SHA256

7931d62d5ea0c90529c28b63a8ddb57481735ab94ff433f5945c38deb4dd01b2
SHA512

96569cfbd20c18a26f79807852c318ade832f69fe2af678e99572429c4fee386905de85c7098c00b73023f9c529e474f6a404372e4f3ad266589712bc40a3b8f
SSDEEP

1536:rF0AJELopHG9aa+9qX3apJzAKWYr0v7ioy6paK2AZqMIK7aGZh38Qa:riAyLN9aa+9U2rW1ip6pr2At7NZuQa

Score

9^/10

persistence upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2876-0-0x0000000001100000-0x0000000001128000-memory.dmp	UPX
\ProgramData\Update\WwanSvc.exe	UPX
behavioral1/memory/2876-4-0x0000000000080000-0x00000000000A8000-memory.dmp	UPX
behavioral1/memory/2364-7-0x00000000008E0000-0x0000000000908000-memory.dmp	UPX
behavioral1/memory/2876-8-0x0000000001100000-0x0000000001128000-memory.dmp	UPX
behavioral1/memory/2876-9-0x0000000001100000-0x0000000001128000-memory.dmp	UPX

Executes dropped EXE 1 IoCs

Processes:

WwanSvc.exe

pid process

2364 WwanSvc.exe
Loads dropped DLL 1 IoCs

Processes:

7931d62d5ea0c90529c28b63a8ddb57481735ab94ff433f5945c38deb4dd01b2.exe

pid process

2876 7931d62d5ea0c90529c28b63a8ddb57481735ab94ff433f5945c38deb4dd01b2.exe

pid	process
2364	WwanSvc.exe

pid	process
2876	7931d62d5ea0c90529c28b63a8ddb57481735ab94ff433f5945c38deb4dd01b2.exe

UPX packed file 6 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2876-0-0x0000000001100000-0x0000000001128000-memory.dmp	upx
\ProgramData\Update\WwanSvc.exe	upx
behavioral1/memory/2876-4-0x0000000000080000-0x00000000000A8000-memory.dmp	upx
behavioral1/memory/2364-7-0x00000000008E0000-0x0000000000908000-memory.dmp	upx
behavioral1/memory/2876-8-0x0000000001100000-0x0000000001128000-memory.dmp	upx
behavioral1/memory/2876-9-0x0000000001100000-0x0000000001128000-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:

7931d62d5ea0c90529c28b63a8ddb57481735ab94ff433f5945c38deb4dd01b2.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Window Update = "\"C:\\ProgramData\\Update\\WwanSvc.exe\" /run"	7931d62d5ea0c90529c28b63a8ddb57481735ab94ff433f5945c38deb4dd01b2.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

7931d62d5ea0c90529c28b63a8ddb57481735ab94ff433f5945c38deb4dd01b2.exe

description	pid	process	target process
PID 2876 wrote to memory of 2364	2876	7931d62d5ea0c90529c28b63a8ddb57481735ab94ff433f5945c38deb4dd01b2.exe	WwanSvc.exe
PID 2876 wrote to memory of 2364	2876	7931d62d5ea0c90529c28b63a8ddb57481735ab94ff433f5945c38deb4dd01b2.exe	WwanSvc.exe
PID 2876 wrote to memory of 2364	2876	7931d62d5ea0c90529c28b63a8ddb57481735ab94ff433f5945c38deb4dd01b2.exe	WwanSvc.exe
PID 2876 wrote to memory of 2364	2876	7931d62d5ea0c90529c28b63a8ddb57481735ab94ff433f5945c38deb4dd01b2.exe	WwanSvc.exe

C:\Users\Admin\AppData\Local\Temp\7931d62d5ea0c90529c28b63a8ddb57481735ab94ff433f5945c38deb4dd01b2.exe
"C:\Users\Admin\AppData\Local\Temp\7931d62d5ea0c90529c28b63a8ddb57481735ab94ff433f5945c38deb4dd01b2.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2876

C:\ProgramData\Update\WwanSvc.exe
"C:\ProgramData\Update\WwanSvc.exe" /run
2⤵
- Executes dropped EXE
PID:2364

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
792de4527347d41be32ee958f663c2f7

SHA1
d5d19479f65145fb7a3b4dada102f5a168250b5c

SHA256
a15e3196c93514a250206aa87adf562e48f135ae8479182886dd217bf001b7af

SHA512
4a0b3e2eaf2aea5d9a8d77b013d3f0d713dc136c0cc2f335b125e4d79ed8c973eab4aa4a35f3cc51f409ff2b662b8db3c7bab40f5b192b8aa225bb64abbe6f9a

Download Submit
memory/2364-7-0x00000000008E0000-0x0000000000908000-memory.dmp

Filesize
160KB

Download
memory/2876-0-0x0000000001100000-0x0000000001128000-memory.dmp

Filesize
160KB

Download
memory/2876-4-0x0000000000080000-0x00000000000A8000-memory.dmp

Filesize
160KB

Download
memory/2876-8-0x0000000001100000-0x0000000001128000-memory.dmp

Filesize
160KB

Download
memory/2876-9-0x0000000001100000-0x0000000001128000-memory.dmp

Filesize
160KB

Download