c761958043e3ea6655d7a8439579c864605680634a416b3b69dd41ccca69f158

Analysis

max time kernel
119s
max time network
17s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
21/08/2024, 21:03

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General

Target

ab2cbd0c36989b91c5520b194c0f30c0N.exe
Size

52KB
MD5

ab2cbd0c36989b91c5520b194c0f30c0
SHA1

647ba6ab2850642fce75976752186095363593ee
SHA256

c761958043e3ea6655d7a8439579c864605680634a416b3b69dd41ccca69f158
SHA512

559e5ce2d7b3276c7169215f5b5224d94dfbe0e4fbfe0f8e355329ba36c787e0c797ac7f81ae1aff78e4fdcd4cd7c8e2ac86d566e6605e7141b0c58f35eee868
SSDEEP

1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhID:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYVt

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1720	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
1720	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-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	ab2cbd0c36989b91c5520b194c0f30c0N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	ab2cbd0c36989b91c5520b194c0f30c0N.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	ab2cbd0c36989b91c5520b194c0f30c0N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2520 wrote to memory of 1720	2520	ab2cbd0c36989b91c5520b194c0f30c0N.exe	30
PID 2520 wrote to memory of 1720	2520	ab2cbd0c36989b91c5520b194c0f30c0N.exe	30
PID 2520 wrote to memory of 1720	2520	ab2cbd0c36989b91c5520b194c0f30c0N.exe	30
PID 2520 wrote to memory of 1720	2520	ab2cbd0c36989b91c5520b194c0f30c0N.exe	30

C:\Users\Admin\AppData\Local\Temp\ab2cbd0c36989b91c5520b194c0f30c0N.exe
"C:\Users\Admin\AppData\Local\Temp\ab2cbd0c36989b91c5520b194c0f30c0N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2520
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:1720

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
52KB

MD5
5b43de7076d1b7d959b0a38028beb226

SHA1
01c70d922815d8ee2fad3390c1fa4a1d02ab9ebc

SHA256
b3874a2b3a0c46f0c6c685e437c9a30b5c5e0014b9156abdf9863a738133daa3

SHA512
ba7e346b118a8b6fc84384baaf1c83b0ded1bf3aca329e8617a3d0927b0dc6362874ea1efeb7d519c31a64d394745fc8953b829222683d84d8e1b31b37e73045

Download Submit
memory/1720-9-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2520-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2520-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads