35d9fe4c58e1a5e6f8cea6dbb5769d706148dc0b1340b377e9c821d7b4ea5761

Analysis

max time kernel
149s
max time network
120s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
28/08/2024, 20:52

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General

Target

35d9fe4c58e1a5e6f8cea6dbb5769d706148dc0b1340b377e9c821d7b4ea5761.exe
Size

46KB
MD5

773caae464b1ef16c14bd1875c40ac45
SHA1

f914846319b6e2e807995c3054f620f9c30ba98c
SHA256

35d9fe4c58e1a5e6f8cea6dbb5769d706148dc0b1340b377e9c821d7b4ea5761
SHA512

ad5ff8e9198cb4954adf93790b8d9fac48e1f70e64b3d9945eadff446b1949ae04466e99d939d85d97cb18354b97dcc5a372615d2a40dde1830e6a377baa7f2a
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wYVFl2g5coW58dO0xXHV2EfKYfdhNhX:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wY3

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1988	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
1988	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-1-5-21-1385883288-3042840365-2734249351-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	35d9fe4c58e1a5e6f8cea6dbb5769d706148dc0b1340b377e9c821d7b4ea5761.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	35d9fe4c58e1a5e6f8cea6dbb5769d706148dc0b1340b377e9c821d7b4ea5761.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	35d9fe4c58e1a5e6f8cea6dbb5769d706148dc0b1340b377e9c821d7b4ea5761.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2116 wrote to memory of 1988	2116	35d9fe4c58e1a5e6f8cea6dbb5769d706148dc0b1340b377e9c821d7b4ea5761.exe	30
PID 2116 wrote to memory of 1988	2116	35d9fe4c58e1a5e6f8cea6dbb5769d706148dc0b1340b377e9c821d7b4ea5761.exe	30
PID 2116 wrote to memory of 1988	2116	35d9fe4c58e1a5e6f8cea6dbb5769d706148dc0b1340b377e9c821d7b4ea5761.exe	30
PID 2116 wrote to memory of 1988	2116	35d9fe4c58e1a5e6f8cea6dbb5769d706148dc0b1340b377e9c821d7b4ea5761.exe	30

C:\Users\Admin\AppData\Local\Temp\35d9fe4c58e1a5e6f8cea6dbb5769d706148dc0b1340b377e9c821d7b4ea5761.exe
"C:\Users\Admin\AppData\Local\Temp\35d9fe4c58e1a5e6f8cea6dbb5769d706148dc0b1340b377e9c821d7b4ea5761.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2116
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:1988

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
47KB

MD5
d248ef82f889088518d5b7a5640855e6

SHA1
14c195c60108cda6404579c94814a58844d4e9c1

SHA256
06807990958a6fbbeb2f901087c1e2752427aca2909ccd985ec84e5f0410d3a3

SHA512
e41002a86c13e4ef7416749ab7bcaa157e17e9cb7bf5495e4ac37c3c54448fa5f89ee2659b44496adb64ecb156c98727fbaf43984de3d955773c0b4503d35bf1

Download Submit
memory/1988-9-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2116-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2116-3-0x0000000000220000-0x0000000000223000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads