7a77fc2cf4b7a03dead9c35214815e08af9c286f6f8f594deef787bd69528619

Analysis

max time kernel
119s
max time network
16s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
01/10/2024, 04:53

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General

Target

7a77fc2cf4b7a03dead9c35214815e08af9c286f6f8f594deef787bd69528619N.exe
Size

24KB
MD5

378f466e9495439993898b2f5af7ea90
SHA1

a2edab1365ec87f624c3abe2bcd418888efa7079
SHA256

7a77fc2cf4b7a03dead9c35214815e08af9c286f6f8f594deef787bd69528619
SHA512

3d23dbef42fcc51ddc66bb755955a37106319a12e6e0bd9d6a0c362359fc860b761308abf6ac68bd91376c206413903ab3c6eb92766b4ee07612ccc0820e266e
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wk7IErqyEOGNFbuSxhLIsyChphihZhY:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wk6

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2304	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2304	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-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	7a77fc2cf4b7a03dead9c35214815e08af9c286f6f8f594deef787bd69528619N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	7a77fc2cf4b7a03dead9c35214815e08af9c286f6f8f594deef787bd69528619N.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	7a77fc2cf4b7a03dead9c35214815e08af9c286f6f8f594deef787bd69528619N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3060 wrote to memory of 2304	3060	7a77fc2cf4b7a03dead9c35214815e08af9c286f6f8f594deef787bd69528619N.exe	30
PID 3060 wrote to memory of 2304	3060	7a77fc2cf4b7a03dead9c35214815e08af9c286f6f8f594deef787bd69528619N.exe	30
PID 3060 wrote to memory of 2304	3060	7a77fc2cf4b7a03dead9c35214815e08af9c286f6f8f594deef787bd69528619N.exe	30
PID 3060 wrote to memory of 2304	3060	7a77fc2cf4b7a03dead9c35214815e08af9c286f6f8f594deef787bd69528619N.exe	30

C:\Users\Admin\AppData\Local\Temp\7a77fc2cf4b7a03dead9c35214815e08af9c286f6f8f594deef787bd69528619N.exe
"C:\Users\Admin\AppData\Local\Temp\7a77fc2cf4b7a03dead9c35214815e08af9c286f6f8f594deef787bd69528619N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3060
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:2304

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
24KB

MD5
f02d38d8655dd91628cd5a893662e977

SHA1
c9c0b86a9d2b18751e9be007bcffd3f0d5e793ab

SHA256
00267a54432c029f7c46e5a0652feb740c0bf70c01dec1d96cd8dd8eee67eb5a

SHA512
dd4b330e5b39b3257114cdf1c96d782ce4defa9e691415c192b2ef3748a8dc58613fd94f20eccd220b0f82f4fa1ee3ed4464088159ae684d1c697e6e069acaa3

Download Submit
memory/2304-8-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2304-10-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/3060-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/3060-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads