a2bd29f589c56f5ac4ce512fe4ce2381986373120a7798ffa2b7cd53b85d4186

Analysis

max time kernel
145s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
23-05-2024 01:15

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General

Target

a2bd29f589c56f5ac4ce512fe4ce2381986373120a7798ffa2b7cd53b85d4186.exe
Size

134KB
MD5

c53a4dd39ad3253082f3b01d41630b96
SHA1

2dadd09d265481fb596ad20d5a279996bc9d82a5
SHA256

a2bd29f589c56f5ac4ce512fe4ce2381986373120a7798ffa2b7cd53b85d4186
SHA512

5a7b908070c09b745d4c1f0bee3f9e70d4f15a65f9e5c2c15e872c436ecdbf8671026ffb59fbb05ce2ee25982b7b58c7c1e690a2e5b9e5c77ee09b1481744d30
SSDEEP

1536:rF0AJELopHG9aa+9qX3apJzAKWYr0v7ioy6paK2AZqMIK7aGZh38Qy:riAyLN9aa+9U2rW1ip6pr2At7NZuQy

Score

9^/10

persistence upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 5 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1940-0-0x0000000000190000-0x00000000001B8000-memory.dmp	UPX
C:\ProgramData\Update\WwanSvc.exe	UPX
behavioral2/memory/1032-6-0x0000000000D10000-0x0000000000D38000-memory.dmp	UPX
behavioral2/memory/1940-4-0x0000000000190000-0x00000000001B8000-memory.dmp	UPX
behavioral2/memory/1032-7-0x0000000000D10000-0x0000000000D38000-memory.dmp	UPX

Executes dropped EXE 1 IoCs

Processes:

WwanSvc.exe

pid process

1032 WwanSvc.exe

pid	process
1032	WwanSvc.exe

UPX packed file 5 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/1940-0-0x0000000000190000-0x00000000001B8000-memory.dmp	upx
C:\ProgramData\Update\WwanSvc.exe	upx
behavioral2/memory/1032-6-0x0000000000D10000-0x0000000000D38000-memory.dmp	upx
behavioral2/memory/1940-4-0x0000000000190000-0x00000000001B8000-memory.dmp	upx
behavioral2/memory/1032-7-0x0000000000D10000-0x0000000000D38000-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:

a2bd29f589c56f5ac4ce512fe4ce2381986373120a7798ffa2b7cd53b85d4186.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Window Update = "\"C:\\ProgramData\\Update\\WwanSvc.exe\" /run"	a2bd29f589c56f5ac4ce512fe4ce2381986373120a7798ffa2b7cd53b85d4186.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

a2bd29f589c56f5ac4ce512fe4ce2381986373120a7798ffa2b7cd53b85d4186.exe

description	pid	process	target process
PID 1940 wrote to memory of 1032	1940	a2bd29f589c56f5ac4ce512fe4ce2381986373120a7798ffa2b7cd53b85d4186.exe	WwanSvc.exe
PID 1940 wrote to memory of 1032	1940	a2bd29f589c56f5ac4ce512fe4ce2381986373120a7798ffa2b7cd53b85d4186.exe	WwanSvc.exe
PID 1940 wrote to memory of 1032	1940	a2bd29f589c56f5ac4ce512fe4ce2381986373120a7798ffa2b7cd53b85d4186.exe	WwanSvc.exe

C:\Users\Admin\AppData\Local\Temp\a2bd29f589c56f5ac4ce512fe4ce2381986373120a7798ffa2b7cd53b85d4186.exe
"C:\Users\Admin\AppData\Local\Temp\a2bd29f589c56f5ac4ce512fe4ce2381986373120a7798ffa2b7cd53b85d4186.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1940

C:\ProgramData\Update\WwanSvc.exe
"C:\ProgramData\Update\WwanSvc.exe" /run
2⤵
- Executes dropped EXE
PID:1032

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

C:\ProgramData\Update\WwanSvc.exe

Filesize
134KB

MD5
80dda7312c497ca6ad1d212ba6f37480

SHA1
866f5d734d95835900b5d9abe751039503d58fb4

SHA256
d71999c021a1ae40e2fd831392140b6e71b841732ddccbaf9c0f8490db22bfb1

SHA512
11a59b6c84b82074a59990b2e2fea40ea705235255c0eee212ebda19fbdf4e06b879fc0216e33388eb67e995450740cecfb5a0badf544cc14bec64298bc1f5a2

Download Submit
memory/1032-6-0x0000000000D10000-0x0000000000D38000-memory.dmp

Filesize
160KB

Download
memory/1032-7-0x0000000000D10000-0x0000000000D38000-memory.dmp

Filesize
160KB

Download
memory/1940-0-0x0000000000190000-0x00000000001B8000-memory.dmp

Filesize
160KB

Download
memory/1940-4-0x0000000000190000-0x00000000001B8000-memory.dmp

Filesize
160KB

Download