de1894cf8ab1aa03065f0ca3d365c6acc957a373cb1b24ecd69724f11c9ecb18

Analysis

max time kernel
109s
max time network
112s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
25-07-2024 12:05

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General

Target

cead57818dc5eddb5a34347f4f81f8b0N.exe
Size

134KB
MD5

cead57818dc5eddb5a34347f4f81f8b0
SHA1

8497cc0640799f8d8564781867d95560dd8f9ffa
SHA256

de1894cf8ab1aa03065f0ca3d365c6acc957a373cb1b24ecd69724f11c9ecb18
SHA512

7818bb7b7f868916d1240b0cd6736560e3db6263e66c809cd5a54599456a5ae5b5b2d71b4a9ca2cf7847699adfe1540254c969126af6c398a709c9eef0da6af8
SSDEEP

1536:rF0AJELopHG9aa+9qX3apJzAKWYr0v7ioy6paK2AZqMIK7aGZh38QY:riAyLN9aa+9U2rW1ip6pr2At7NZuQY

Score

7^/10

discovery persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4268	WwanSvc.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1540-0-0x0000000000D40000-0x0000000000D68000-memory.dmp	upx
behavioral2/files/0x000800000002344f-3.dat	upx
behavioral2/memory/1540-5-0x0000000000D40000-0x0000000000D68000-memory.dmp	upx
behavioral2/memory/4268-6-0x0000000000610000-0x0000000000638000-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"	cead57818dc5eddb5a34347f4f81f8b0N.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cead57818dc5eddb5a34347f4f81f8b0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WwanSvc.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1540 wrote to memory of 4268	1540	cead57818dc5eddb5a34347f4f81f8b0N.exe	84
PID 1540 wrote to memory of 4268	1540	cead57818dc5eddb5a34347f4f81f8b0N.exe	84
PID 1540 wrote to memory of 4268	1540	cead57818dc5eddb5a34347f4f81f8b0N.exe	84

C:\Users\Admin\AppData\Local\Temp\cead57818dc5eddb5a34347f4f81f8b0N.exe
"C:\Users\Admin\AppData\Local\Temp\cead57818dc5eddb5a34347f4f81f8b0N.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1540
- C:\ProgramData\Update\WwanSvc.exe
  "C:\ProgramData\Update\WwanSvc.exe" /run
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4268

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\Update\WwanSvc.exe

Filesize
134KB

MD5
67da88c11a012d74f50c433526150f5e

SHA1
a08c88ca9ef57c0135a732d9d40adf21a4bb0576

SHA256
d41ad5f43d087ed73e3fb024685ea1a455d50b44a808e378bec0b07f8ffb3659

SHA512
4cd3fc5f4ca1e29e04d570c9309b011c29e656e31ab8f41c3fcd90a72b5812178392eb82904dd66f31d152a5082343e3354641ae06ffcf106c20765f0511560f

Download Submit
memory/1540-0-0x0000000000D40000-0x0000000000D68000-memory.dmp

Filesize
160KB

Download
memory/1540-5-0x0000000000D40000-0x0000000000D68000-memory.dmp

Filesize
160KB

Download
memory/4268-6-0x0000000000610000-0x0000000000638000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads