c3b44a4a23b1ac7df84b34dd2873a3ede288f8a64ec28b04daf7cb349e721d9f

Analysis

max time kernel
119s
max time network
16s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
06/10/2024, 07:38

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General

Target

c3b44a4a23b1ac7df84b34dd2873a3ede288f8a64ec28b04daf7cb349e721d9fN.exe
Size

78KB
MD5

e5437e4b02a33297f0cf4354af066980
SHA1

cc1e50150136f6d51dac8b3afd767a5bb33c2ebb
SHA256

c3b44a4a23b1ac7df84b34dd2873a3ede288f8a64ec28b04daf7cb349e721d9f
SHA512

77b732bf56ebc082f3e8ef974ffdacc6676b5a588b56aa67b58f44224e5507e2499a8a6bcb8edb1125c6de9ce204672b30b5a002e016ff6ba90529e2371629c4
SSDEEP

1536:86RAo0ej2d6rnJwwvlNlIUBvsI7hrhEh9cpDN43vBKMvWPqH5kYhpvEHchVvhA+v:xAo1lOwvlNlXBvsI7hrhEh9cpDN43vBP

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2584	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2584	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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	c3b44a4a23b1ac7df84b34dd2873a3ede288f8a64ec28b04daf7cb349e721d9fN.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	c3b44a4a23b1ac7df84b34dd2873a3ede288f8a64ec28b04daf7cb349e721d9fN.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.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	c3b44a4a23b1ac7df84b34dd2873a3ede288f8a64ec28b04daf7cb349e721d9fN.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 2584	2124	c3b44a4a23b1ac7df84b34dd2873a3ede288f8a64ec28b04daf7cb349e721d9fN.exe	29
PID 2124 wrote to memory of 2584	2124	c3b44a4a23b1ac7df84b34dd2873a3ede288f8a64ec28b04daf7cb349e721d9fN.exe	29
PID 2124 wrote to memory of 2584	2124	c3b44a4a23b1ac7df84b34dd2873a3ede288f8a64ec28b04daf7cb349e721d9fN.exe	29
PID 2124 wrote to memory of 2584	2124	c3b44a4a23b1ac7df84b34dd2873a3ede288f8a64ec28b04daf7cb349e721d9fN.exe	29

C:\Users\Admin\AppData\Local\Temp\c3b44a4a23b1ac7df84b34dd2873a3ede288f8a64ec28b04daf7cb349e721d9fN.exe
"C:\Users\Admin\AppData\Local\Temp\c3b44a4a23b1ac7df84b34dd2873a3ede288f8a64ec28b04daf7cb349e721d9fN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2124
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:2584

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
78KB

MD5
59e351293de94c9a7102aed04dacca6c

SHA1
7cbdb12efbc5b60ef511c7f4d3f132cd11eb8291

SHA256
388be7055c438879c5e1e56ce49f51284149e6d728b95866fc1d4f309e0ad511

SHA512
b49610009a221bea9fa7d427ef4dbb9543629e3e24777344cf3e6c474e2600f668d2cbe88c71d6fcb275f15f40ddb10900cf87a2447b216479effeeea00cf358

Download Submit
memory/2124-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2124-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2584-8-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2584-10-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads