830f4a4fb754456a84ac36ece453ef1d41a0d156af3f7ffbea2b89bab5d98e70

Analysis

max time kernel
119s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-09-2024 11:36

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General

Target

830f4a4fb754456a84ac36ece453ef1d41a0d156af3f7ffbea2b89bab5d98e70N.exe
Size

44KB
MD5

cdd88a25f401938aca85dc22cc08d080
SHA1

3fd552256917555ee09433635b8773a95c6baeff
SHA256

830f4a4fb754456a84ac36ece453ef1d41a0d156af3f7ffbea2b89bab5d98e70
SHA512

3004e8020bb60651ea5db641ad35100255056c5777e3fbcf6740089ea628bce12b5b6a5dbc1938269c310967a811eaec3a0c15bda507d4ed7e1bd964a87a0a06
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNh9:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYd

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2428	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2428	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"	830f4a4fb754456a84ac36ece453ef1d41a0d156af3f7ffbea2b89bab5d98e70N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	830f4a4fb754456a84ac36ece453ef1d41a0d156af3f7ffbea2b89bab5d98e70N.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	830f4a4fb754456a84ac36ece453ef1d41a0d156af3f7ffbea2b89bab5d98e70N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2540 wrote to memory of 2428	2540	830f4a4fb754456a84ac36ece453ef1d41a0d156af3f7ffbea2b89bab5d98e70N.exe	30
PID 2540 wrote to memory of 2428	2540	830f4a4fb754456a84ac36ece453ef1d41a0d156af3f7ffbea2b89bab5d98e70N.exe	30
PID 2540 wrote to memory of 2428	2540	830f4a4fb754456a84ac36ece453ef1d41a0d156af3f7ffbea2b89bab5d98e70N.exe	30
PID 2540 wrote to memory of 2428	2540	830f4a4fb754456a84ac36ece453ef1d41a0d156af3f7ffbea2b89bab5d98e70N.exe	30

C:\Users\Admin\AppData\Local\Temp\830f4a4fb754456a84ac36ece453ef1d41a0d156af3f7ffbea2b89bab5d98e70N.exe
"C:\Users\Admin\AppData\Local\Temp\830f4a4fb754456a84ac36ece453ef1d41a0d156af3f7ffbea2b89bab5d98e70N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2540
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:2428

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
44KB

MD5
381ab31a010f62e011662be5c3284eec

SHA1
0150055f9b6492e6b3ba6c7e100720a579989ba1

SHA256
e6333a47e1b299f3a4d503c8c8ff5765879e3aabc45a363ce3c2aac2fde1f65e

SHA512
289270608fa92df05198baedaaac1d8332f668466e926412d9baf7a2ea61c0acf63d9abc8f49704234ceaae760133a6bc317fa77b8a3e13a9ef98e44ab4cea1f

Download Submit
memory/2428-10-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2540-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2540-3-0x0000000000220000-0x0000000000223000-memory.dmp

Filesize
12KB

Download
memory/2540-7-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads