fe8c86095397635bfbc612c50e9d365607c904aef8f94151a59c01ea6f65a552

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
12/06/2024, 07:27

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General

Target

fe8c86095397635bfbc612c50e9d365607c904aef8f94151a59c01ea6f65a552.exe
Size

134KB
MD5

94e7c44026616a36ad658e2d93ec77ee
SHA1

71e645d14569d3acf51e64d39eb30cc098c27b58
SHA256

fe8c86095397635bfbc612c50e9d365607c904aef8f94151a59c01ea6f65a552
SHA512

c2b3cc328b9d787b0e5a722aec3c3d2ad02b60054dfa55b586bca757aedbfec380097990f4a9fe23799f7ac5b875c567f1465044d2fda93395d5eaca6ab36a22
SSDEEP

1536:rF0AJELopHG9aa+9qX3apJzAKWYr0v7ioy6paK2AZqMIK7aGZh38QZ:riAyLN9aa+9U2rW1ip6pr2At7NZuQZ

Score

9^/10

persistence upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 7 IoCs

resource	yara_rule
behavioral1/memory/2268-0-0x0000000000840000-0x0000000000868000-memory.dmp	UPX
behavioral1/files/0x000b000000012303-6.dat	UPX
behavioral1/memory/956-7-0x0000000000020000-0x0000000000048000-memory.dmp	UPX
behavioral1/memory/2268-4-0x0000000000200000-0x0000000000228000-memory.dmp	UPX
behavioral1/memory/2268-8-0x0000000000840000-0x0000000000868000-memory.dmp	UPX
behavioral1/memory/956-9-0x0000000000020000-0x0000000000048000-memory.dmp	UPX
behavioral1/memory/2268-10-0x0000000000840000-0x0000000000868000-memory.dmp	UPX

Executes dropped EXE 1 IoCs

pid	Process
956	WwanSvc.exe

Loads dropped DLL 1 IoCs

pid	Process
2268	fe8c86095397635bfbc612c50e9d365607c904aef8f94151a59c01ea6f65a552.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2268-0-0x0000000000840000-0x0000000000868000-memory.dmp	upx
behavioral1/files/0x000b000000012303-6.dat	upx
behavioral1/memory/956-7-0x0000000000020000-0x0000000000048000-memory.dmp	upx
behavioral1/memory/2268-4-0x0000000000200000-0x0000000000228000-memory.dmp	upx
behavioral1/memory/2268-8-0x0000000000840000-0x0000000000868000-memory.dmp	upx
behavioral1/memory/956-9-0x0000000000020000-0x0000000000048000-memory.dmp	upx
behavioral1/memory/2268-10-0x0000000000840000-0x0000000000868000-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"	fe8c86095397635bfbc612c50e9d365607c904aef8f94151a59c01ea6f65a552.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2268 wrote to memory of 956	2268	fe8c86095397635bfbc612c50e9d365607c904aef8f94151a59c01ea6f65a552.exe	28
PID 2268 wrote to memory of 956	2268	fe8c86095397635bfbc612c50e9d365607c904aef8f94151a59c01ea6f65a552.exe	28
PID 2268 wrote to memory of 956	2268	fe8c86095397635bfbc612c50e9d365607c904aef8f94151a59c01ea6f65a552.exe	28
PID 2268 wrote to memory of 956	2268	fe8c86095397635bfbc612c50e9d365607c904aef8f94151a59c01ea6f65a552.exe	28

C:\Users\Admin\AppData\Local\Temp\fe8c86095397635bfbc612c50e9d365607c904aef8f94151a59c01ea6f65a552.exe
"C:\Users\Admin\AppData\Local\Temp\fe8c86095397635bfbc612c50e9d365607c904aef8f94151a59c01ea6f65a552.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2268
- C:\ProgramData\Update\WwanSvc.exe
  "C:\ProgramData\Update\WwanSvc.exe" /run
  2⤵
  - Executes dropped EXE
  PID:956

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
a0f9fb47578a9d267d1c171a9580ad6d

SHA1
1c2d9b3c83f1e408fa70ef0626aad66599d3aaba

SHA256
051fb5d1bb7ac930a76aa737c6d39d15f77a11d984a7986ad98d5cbe8244324b

SHA512
8336ffec18cd311bf4e40272bc668929c8cdb2b36496ca7ba6a530a539878cd5387ac5237f2368c979819da4e67e1d84ff46f92972eb238b904863943bd7c2e1

Download Submit
memory/956-7-0x0000000000020000-0x0000000000048000-memory.dmp

Filesize
160KB

Download
memory/956-9-0x0000000000020000-0x0000000000048000-memory.dmp

Filesize
160KB

Download
memory/2268-0-0x0000000000840000-0x0000000000868000-memory.dmp

Filesize
160KB

Download
memory/2268-4-0x0000000000200000-0x0000000000228000-memory.dmp

Filesize
160KB

Download
memory/2268-8-0x0000000000840000-0x0000000000868000-memory.dmp

Filesize
160KB

Download
memory/2268-10-0x0000000000840000-0x0000000000868000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads