e6940e444a9422b867767ae2056f7844cdaa82304151b6023c03b3217c26f8b3

Analysis

max time kernel
120s
max time network
18s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
21-08-2024 14:31

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General

Target

e39edf6343902bd22dcf52922b00b3f0N.exe
Size

42KB
MD5

e39edf6343902bd22dcf52922b00b3f0
SHA1

7da77b4f9769029040845fcb2e4ff4a7bbd13c28
SHA256

e6940e444a9422b867767ae2056f7844cdaa82304151b6023c03b3217c26f8b3
SHA512

56d05ba8a36ee89f0aa61e1018b74abb98ff7b5f5595ba8188f04f7abeb2996424a4308ce5ec6ad91aed40e737028f4a7ef9b67c98baaba2b09efaa1c5268162
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhN:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYt

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2524	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2524	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-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	e39edf6343902bd22dcf52922b00b3f0N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	e39edf6343902bd22dcf52922b00b3f0N.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	e39edf6343902bd22dcf52922b00b3f0N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2064 wrote to memory of 2524	2064	e39edf6343902bd22dcf52922b00b3f0N.exe	29
PID 2064 wrote to memory of 2524	2064	e39edf6343902bd22dcf52922b00b3f0N.exe	29
PID 2064 wrote to memory of 2524	2064	e39edf6343902bd22dcf52922b00b3f0N.exe	29
PID 2064 wrote to memory of 2524	2064	e39edf6343902bd22dcf52922b00b3f0N.exe	29

C:\Users\Admin\AppData\Local\Temp\e39edf6343902bd22dcf52922b00b3f0N.exe
"C:\Users\Admin\AppData\Local\Temp\e39edf6343902bd22dcf52922b00b3f0N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2064
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:2524

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
42KB

MD5
b32d189709ced5307c22759a02852131

SHA1
f34772afe89188360ac96405d6c5ee05970896f1

SHA256
554c5c84ab33a70a792d412739882a4ad464f2005f1b4e819b69d601ce4dc698

SHA512
7c00c5e36e85425eaaa19668be0fce255ebd803182db5e23aa52cb78390bbc5340eeafe46486856bc2e14e3dad1a699ad9f692c64cf6d6d1c7ea800a21b9d909

Download Submit
memory/2064-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2064-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2524-8-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2524-10-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads