795489639cbc4dd219b46f2a4c815f4ef619a7903aeb958218edd15e6e32887e

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-09-2024 06:32

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General

Target

795489639cbc4dd219b46f2a4c815f4ef619a7903aeb958218edd15e6e32887eN.exe
Size

43KB
MD5

ff65c6005e48d197639747435a7323c0
SHA1

49e99beb7dc2b6dd8146b44b9db6dbe7b3dadef8
SHA256

795489639cbc4dd219b46f2a4c815f4ef619a7903aeb958218edd15e6e32887e
SHA512

8159364f8ca8d80b29f3c42ec5f72a487a542dd7e1c06904a41b84135dcf7118b0ef76b1262945484d30bb88a2dbb1b04329d9b1360be1aaa1832abcb097324b
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNh/:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYf

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
376	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
376	microsofthelp.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\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	795489639cbc4dd219b46f2a4c815f4ef619a7903aeb958218edd15e6e32887eN.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	795489639cbc4dd219b46f2a4c815f4ef619a7903aeb958218edd15e6e32887eN.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	795489639cbc4dd219b46f2a4c815f4ef619a7903aeb958218edd15e6e32887eN.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1968 wrote to memory of 376	1968	795489639cbc4dd219b46f2a4c815f4ef619a7903aeb958218edd15e6e32887eN.exe	31
PID 1968 wrote to memory of 376	1968	795489639cbc4dd219b46f2a4c815f4ef619a7903aeb958218edd15e6e32887eN.exe	31
PID 1968 wrote to memory of 376	1968	795489639cbc4dd219b46f2a4c815f4ef619a7903aeb958218edd15e6e32887eN.exe	31
PID 1968 wrote to memory of 376	1968	795489639cbc4dd219b46f2a4c815f4ef619a7903aeb958218edd15e6e32887eN.exe	31

C:\Users\Admin\AppData\Local\Temp\795489639cbc4dd219b46f2a4c815f4ef619a7903aeb958218edd15e6e32887eN.exe
"C:\Users\Admin\AppData\Local\Temp\795489639cbc4dd219b46f2a4c815f4ef619a7903aeb958218edd15e6e32887eN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1968
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:376

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:\Windows\microsofthelp.exe

Filesize
43KB

MD5
b8baf8c8969e2e79a8a82f5bff9a3fb8

SHA1
74cb8b2ad245fc520e5eba3133b87b9975c3fee9

SHA256
4c295ae5a60666b54a388439f68ed31c995b79e79145c9d56cbb606a791de615

SHA512
3865c94431adadd132c5cfce4979c3a06370274d72d37e2f25ff7b18ff549eef43530dde49911191d5ac51a24cf16523dd789722bbe8ba706ec46111921e0b9a

Download Submit
memory/376-8-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/376-10-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1968-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1968-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads