fe8c86095397635bfbc612c50e9d365607c904aef8f94151a59c01ea6f65a552

Analysis

max time kernel
148s
max time network
100s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-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) 5 IoCs

resource	yara_rule
behavioral2/memory/2120-2-0x0000000000740000-0x0000000000768000-memory.dmp	UPX
behavioral2/files/0x00090000000233ed-3.dat	UPX
behavioral2/memory/2120-4-0x0000000000740000-0x0000000000768000-memory.dmp	UPX
behavioral2/memory/2596-5-0x0000000000AA0000-0x0000000000AC8000-memory.dmp	UPX
behavioral2/memory/2596-7-0x0000000000AA0000-0x0000000000AC8000-memory.dmp	UPX

Executes dropped EXE 1 IoCs

pid	Process
2596	WwanSvc.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2120-2-0x0000000000740000-0x0000000000768000-memory.dmp	upx
behavioral2/files/0x00090000000233ed-3.dat	upx
behavioral2/memory/2120-4-0x0000000000740000-0x0000000000768000-memory.dmp	upx
behavioral2/memory/2596-5-0x0000000000AA0000-0x0000000000AC8000-memory.dmp	upx
behavioral2/memory/2596-7-0x0000000000AA0000-0x0000000000AC8000-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 3 IoCs

description	pid	Process	procid_target
PID 2120 wrote to memory of 2596	2120	fe8c86095397635bfbc612c50e9d365607c904aef8f94151a59c01ea6f65a552.exe	81
PID 2120 wrote to memory of 2596	2120	fe8c86095397635bfbc612c50e9d365607c904aef8f94151a59c01ea6f65a552.exe	81
PID 2120 wrote to memory of 2596	2120	fe8c86095397635bfbc612c50e9d365607c904aef8f94151a59c01ea6f65a552.exe	81

C:\Users\Admin\AppData\Local\Temp\fe8c86095397635bfbc612c50e9d365607c904aef8f94151a59c01ea6f65a552.exe
"C:\Users\Admin\AppData\Local\Temp\fe8c86095397635bfbc612c50e9d365607c904aef8f94151a59c01ea6f65a552.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2120
- C:\ProgramData\Update\WwanSvc.exe
  "C:\ProgramData\Update\WwanSvc.exe" /run
  2⤵
  - Executes dropped EXE
  PID:2596

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
0fbe9e7b9a51724a94050fae22595213

SHA1
76bb458593166baf6f0d1b41f75eba82cc2843d9

SHA256
db82fd1f6da1c38d86921a2bfb976c0bbd04f1be9e474f5f849268ab77538039

SHA512
ae3ac3900bf83ecbb2fefe9c1bbba5e41bb89e2ccf8263ead73f28daac43c1710afe068adf19447f5e6b0fe59508c7acb53956915dd3de2b2c692dd0b3745b40

Download Submit
memory/2120-2-0x0000000000740000-0x0000000000768000-memory.dmp

Filesize
160KB

Download
memory/2120-4-0x0000000000740000-0x0000000000768000-memory.dmp

Filesize
160KB

Download
memory/2596-5-0x0000000000AA0000-0x0000000000AC8000-memory.dmp

Filesize
160KB

Download
memory/2596-7-0x0000000000AA0000-0x0000000000AC8000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads