5f1ca318ae668c02fe8ec384995e243a7d7a4d82de2f2803e5f01b9ecc8fce9d

Analysis

max time kernel
91s
max time network
24s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19/11/2024, 11:52

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General

Target

5f1ca318ae668c02fe8ec384995e243a7d7a4d82de2f2803e5f01b9ecc8fce9dN.exe
Size

94KB
MD5

6423f6245e7db0ef8f313a9751a557a0
SHA1

8c1b8b24710a2596542920efc2a4d8b9917e163e
SHA256

5f1ca318ae668c02fe8ec384995e243a7d7a4d82de2f2803e5f01b9ecc8fce9d
SHA512

78ceb19b58dec946398c762a095a1d2c4bb078e41c1528f90cf6729a488b5c865abd2a53f4042d456d369390993057c32995c2129acece553ad45184796fb0ad
SSDEEP

1536:skPjmPwvx3PtLBzGMlGO+eo+zCj4CFgjASG3KazRZICrWaGZh7LLx1t:skLmuftLBzfIOz4VSGaqJrWNZ1Lx1t

Score

7^/10

defense_evasion discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2684	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
1928	Wwansvc.exe

Loads dropped DLL 1 IoCs

pid	Process
2340	5f1ca318ae668c02fe8ec384995e243a7d7a4d82de2f2803e5f01b9ecc8fce9dN.exe

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"	5f1ca318ae668c02fe8ec384995e243a7d7a4d82de2f2803e5f01b9ecc8fce9dN.exe

Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 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	5f1ca318ae668c02fe8ec384995e243a7d7a4d82de2f2803e5f01b9ecc8fce9dN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Wwansvc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2340 wrote to memory of 1928	2340	5f1ca318ae668c02fe8ec384995e243a7d7a4d82de2f2803e5f01b9ecc8fce9dN.exe	31
PID 2340 wrote to memory of 1928	2340	5f1ca318ae668c02fe8ec384995e243a7d7a4d82de2f2803e5f01b9ecc8fce9dN.exe	31
PID 2340 wrote to memory of 1928	2340	5f1ca318ae668c02fe8ec384995e243a7d7a4d82de2f2803e5f01b9ecc8fce9dN.exe	31
PID 2340 wrote to memory of 1928	2340	5f1ca318ae668c02fe8ec384995e243a7d7a4d82de2f2803e5f01b9ecc8fce9dN.exe	31
PID 2340 wrote to memory of 2684	2340	5f1ca318ae668c02fe8ec384995e243a7d7a4d82de2f2803e5f01b9ecc8fce9dN.exe	32
PID 2340 wrote to memory of 2684	2340	5f1ca318ae668c02fe8ec384995e243a7d7a4d82de2f2803e5f01b9ecc8fce9dN.exe	32
PID 2340 wrote to memory of 2684	2340	5f1ca318ae668c02fe8ec384995e243a7d7a4d82de2f2803e5f01b9ecc8fce9dN.exe	32
PID 2340 wrote to memory of 2684	2340	5f1ca318ae668c02fe8ec384995e243a7d7a4d82de2f2803e5f01b9ecc8fce9dN.exe	32

C:\Users\Admin\AppData\Local\Temp\5f1ca318ae668c02fe8ec384995e243a7d7a4d82de2f2803e5f01b9ecc8fce9dN.exe
"C:\Users\Admin\AppData\Local\Temp\5f1ca318ae668c02fe8ec384995e243a7d7a4d82de2f2803e5f01b9ecc8fce9dN.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2340
- C:\ProgramData\Update\Wwansvc.exe
  "C:\ProgramData\Update\Wwansvc.exe" /run
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1928
- C:\windows\SysWOW64\cmd.exe
  "C:\windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\5f1ca318ae668c02fe8ec384995e243a7d7a4d82de2f2803e5f01b9ecc8fce9dN.exe" >> NUL
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2684

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

Indicator Removal

T1070

File Deletion

T1070.004

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\ProgramData\Update\Wwansvc.exe

Filesize
94KB

MD5
614a195b734f2603d9e69d375e4d700e

SHA1
f92ee61ccdee9c9ace936f068f6ac042e03a715a

SHA256
f571886bc6d18808a5772b5c60dbaa8a5411e4c3a7850a375d111655bfac153d

SHA512
45d337944fe26fa197a53d0228362be0fda7358344350358b775cb3bb19c69a9b0573a41fd82264ba7bcb20d4743b0df26a3f7ae109c601bf84789f52e015e5c

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads