72c48f087bbd745336a908f1408bbebd999e2fdcdb672d8578ea3cbf03a69638

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
06/08/2024, 21:54

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General

Target

13ebb772a8e911a0f8996df1e39e5800N.exe
Size

40KB
MD5

13ebb772a8e911a0f8996df1e39e5800
SHA1

297eeae5d90e5a4fb1f0e4534191d46a08c79d2b
SHA256

72c48f087bbd745336a908f1408bbebd999e2fdcdb672d8578ea3cbf03a69638
SHA512

5c6afd967a6492a717b7de64bffe57ce23eaea5b27f23e303e68c7fef145e673ac07efd94c1eeadb3c096a597229b0678fec60df2cdd1236c3d8a2351f246fc4
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhw:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYQ

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2856	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2856	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-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	13ebb772a8e911a0f8996df1e39e5800N.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	13ebb772a8e911a0f8996df1e39e5800N.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	13ebb772a8e911a0f8996df1e39e5800N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2696 wrote to memory of 2856	2696	13ebb772a8e911a0f8996df1e39e5800N.exe	30
PID 2696 wrote to memory of 2856	2696	13ebb772a8e911a0f8996df1e39e5800N.exe	30
PID 2696 wrote to memory of 2856	2696	13ebb772a8e911a0f8996df1e39e5800N.exe	30
PID 2696 wrote to memory of 2856	2696	13ebb772a8e911a0f8996df1e39e5800N.exe	30

C:\Users\Admin\AppData\Local\Temp\13ebb772a8e911a0f8996df1e39e5800N.exe
"C:\Users\Admin\AppData\Local\Temp\13ebb772a8e911a0f8996df1e39e5800N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2696
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:2856

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
40KB

MD5
217b22303cf656c5447f37ea6f626578

SHA1
931272b7b30a1abb5247c4a363a46641b35c8e68

SHA256
d36cb5336d64710fcaf2cac3fb5ca7f3206b6387c380634d4834afe99ca2109b

SHA512
be613354080c904397ace52f41a8c250f761159eb619575fbf49e56d50bac760d788f200e8125c697a194a4ce91d7d52864d4990ae4d75848d7474ed858fe869

Download Submit
memory/2696-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2696-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads