0a19b38f1a48573d1670d87bd5efcf673481078c5e773a7e601baf2d3616bc18

Analysis

max time kernel
119s
max time network
19s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
01-08-2024 21:30

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General

Target

059c42b36424822fb33d3867efa57e10N.exe
Size

47KB
MD5

059c42b36424822fb33d3867efa57e10
SHA1

278af9fb87135cdf92abb295a8dc623b6d7fa377
SHA256

0a19b38f1a48573d1670d87bd5efcf673481078c5e773a7e601baf2d3616bc18
SHA512

0893f01d503c3875202259a4fdd4276cafbbe3e8d4a0f2d2cc4253d67185b99cf971e83f53b04f58f2d985a479c8cb1e65c4903cf23c6f01c10e1159218ace9b
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhF:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYl

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1820	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
1820	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-1-5-21-2257386474-3982792636-3902186748-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	059c42b36424822fb33d3867efa57e10N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	059c42b36424822fb33d3867efa57e10N.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	059c42b36424822fb33d3867efa57e10N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 400 wrote to memory of 1820	400	059c42b36424822fb33d3867efa57e10N.exe	29
PID 400 wrote to memory of 1820	400	059c42b36424822fb33d3867efa57e10N.exe	29
PID 400 wrote to memory of 1820	400	059c42b36424822fb33d3867efa57e10N.exe	29
PID 400 wrote to memory of 1820	400	059c42b36424822fb33d3867efa57e10N.exe	29

C:\Users\Admin\AppData\Local\Temp\059c42b36424822fb33d3867efa57e10N.exe
"C:\Users\Admin\AppData\Local\Temp\059c42b36424822fb33d3867efa57e10N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:400
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:1820

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
48KB

MD5
04a4ad5c4c3d750b82cbc92303650f9d

SHA1
a45b035f8336303aa3051bfa67eae4e2f03f563d

SHA256
3680f134cab324cfd1e90c0dc3cb85aedcf477c05f829edc3313577cb23fd639

SHA512
90bb6c120bd107dc703a5a7b082d0fb037920589673e08305e2abb2e0a2a4e60d8065db2d3ff2f912bbb3c02e964b230ff70d0aab9ace48b3872fce8ff60a91b

Download Submit
memory/400-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1820-7-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads