ac2f47391f9f25642096b4cff189b84a24d343e9d28266e2ecc27d3c7b638e68

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
05-08-2024 10:09

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General

Target

7bbbb19b9e93e8a724af01ff300413f0N.exe
Size

41KB
MD5

7bbbb19b9e93e8a724af01ff300413f0
SHA1

084f749f32946f12b767dfc389eb781fbef846c2
SHA256

ac2f47391f9f25642096b4cff189b84a24d343e9d28266e2ecc27d3c7b638e68
SHA512

0d4ce7ac9d7c00c833a83783416a9b721627356710d350a7ed5dae464eaf44dc37799716cfe0cbf597666c7ae8ef1857873a68da086d2a4b5b1366d83d25755e
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhn:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYH

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-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	7bbbb19b9e93e8a724af01ff300413f0N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	7bbbb19b9e93e8a724af01ff300413f0N.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	7bbbb19b9e93e8a724af01ff300413f0N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2536 wrote to memory of 2584	2536	7bbbb19b9e93e8a724af01ff300413f0N.exe	30
PID 2536 wrote to memory of 2584	2536	7bbbb19b9e93e8a724af01ff300413f0N.exe	30
PID 2536 wrote to memory of 2584	2536	7bbbb19b9e93e8a724af01ff300413f0N.exe	30
PID 2536 wrote to memory of 2584	2536	7bbbb19b9e93e8a724af01ff300413f0N.exe	30

C:\Users\Admin\AppData\Local\Temp\7bbbb19b9e93e8a724af01ff300413f0N.exe
"C:\Users\Admin\AppData\Local\Temp\7bbbb19b9e93e8a724af01ff300413f0N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2536
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  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
41KB

MD5
c13090b0c685343eccf5d132b2919994

SHA1
c8e4f304f4fb29c7ff3bf252ddf73b2ca159a9be

SHA256
9d41eaab29c7b37620d962a1d8fb1171cd64407b1872fd45b865537d6aa54ba7

SHA512
355cce856d16da024736f4dc62652f54aada3281f42c5d426e0463995a5eb17b1b70aff0ab2050487c8abc7abe8de0e75ab7fafd5e34cfa21b20a5ca1e17da78

Download Submit
memory/2536-3-0x0000000000220000-0x0000000000223000-memory.dmp

Filesize
12KB

Download
memory/2536-2-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads