a2bd29f589c56f5ac4ce512fe4ce2381986373120a7798ffa2b7cd53b85d4186

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-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
behavioral1/memory/2432-0-0x0000000001210000-0x0000000001238000-memory.dmp	UPX
\ProgramData\Update\WwanSvc.exe	UPX
behavioral1/memory/2192-6-0x0000000000F40000-0x0000000000F68000-memory.dmp	UPX
behavioral1/memory/2432-7-0x0000000001210000-0x0000000001238000-memory.dmp	UPX
behavioral1/memory/2432-9-0x0000000001210000-0x0000000001238000-memory.dmp	UPX

Executes dropped EXE 1 IoCs

Processes:

WwanSvc.exe

pid process

2192 WwanSvc.exe
Loads dropped DLL 1 IoCs

Processes:

a2bd29f589c56f5ac4ce512fe4ce2381986373120a7798ffa2b7cd53b85d4186.exe

pid process

2432 a2bd29f589c56f5ac4ce512fe4ce2381986373120a7798ffa2b7cd53b85d4186.exe

pid	process
2192	WwanSvc.exe

pid	process
2432	a2bd29f589c56f5ac4ce512fe4ce2381986373120a7798ffa2b7cd53b85d4186.exe

UPX packed file 5 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/2432-0-0x0000000001210000-0x0000000001238000-memory.dmp	upx
\ProgramData\Update\WwanSvc.exe	upx
behavioral1/memory/2192-6-0x0000000000F40000-0x0000000000F68000-memory.dmp	upx
behavioral1/memory/2432-7-0x0000000001210000-0x0000000001238000-memory.dmp	upx
behavioral1/memory/2432-9-0x0000000001210000-0x0000000001238000-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 4 IoCs

Processes:

a2bd29f589c56f5ac4ce512fe4ce2381986373120a7798ffa2b7cd53b85d4186.exe

description	pid	process	target process
PID 2432 wrote to memory of 2192	2432	a2bd29f589c56f5ac4ce512fe4ce2381986373120a7798ffa2b7cd53b85d4186.exe	WwanSvc.exe
PID 2432 wrote to memory of 2192	2432	a2bd29f589c56f5ac4ce512fe4ce2381986373120a7798ffa2b7cd53b85d4186.exe	WwanSvc.exe
PID 2432 wrote to memory of 2192	2432	a2bd29f589c56f5ac4ce512fe4ce2381986373120a7798ffa2b7cd53b85d4186.exe	WwanSvc.exe
PID 2432 wrote to memory of 2192	2432	a2bd29f589c56f5ac4ce512fe4ce2381986373120a7798ffa2b7cd53b85d4186.exe	WwanSvc.exe

C:\Users\Admin\AppData\Local\Temp\a2bd29f589c56f5ac4ce512fe4ce2381986373120a7798ffa2b7cd53b85d4186.exe
"C:\Users\Admin\AppData\Local\Temp\a2bd29f589c56f5ac4ce512fe4ce2381986373120a7798ffa2b7cd53b85d4186.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2432

C:\ProgramData\Update\WwanSvc.exe
"C:\ProgramData\Update\WwanSvc.exe" /run
2⤵
- Executes dropped EXE
PID:2192

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
847ae77d16761879c695ee42cc08a650

SHA1
a50d3e3a4c581d1e8b518377c77df18ddade57e2

SHA256
2e497d8b3544e3912b076046f78c6e429ce621b3278e1f4291020474978043c5

SHA512
3bc9f7eeb3510e87d7bed50d7a5025e0b59bd65144523713b8dfe377f1826c40e19e7b90470ed2f2e14cced14f29eddbcf80d971a5e024600e583437cdf37de4

Download Submit
memory/2192-6-0x0000000000F40000-0x0000000000F68000-memory.dmp

Filesize
160KB

Download
memory/2432-0-0x0000000001210000-0x0000000001238000-memory.dmp

Filesize
160KB

Download
memory/2432-7-0x0000000001210000-0x0000000001238000-memory.dmp

Filesize
160KB

Download
memory/2432-8-0x0000000000F40000-0x0000000000F68000-memory.dmp

Filesize
160KB

Download
memory/2432-9-0x0000000001210000-0x0000000001238000-memory.dmp

Filesize
160KB

Download