8d3f84db2d4da058e86a7bc180036e6b0e418375fe2652ebe263a22bc2421da0

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05/10/2024, 21:33

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General

Target

8d3f84db2d4da058e86a7bc180036e6b0e418375fe2652ebe263a22bc2421da0N.exe
Size

40KB
MD5

02cf9afbccd9a4856b6834a5980217e0
SHA1

24603a1c319406373712d44017529c6d5d9218ae
SHA256

8d3f84db2d4da058e86a7bc180036e6b0e418375fe2652ebe263a22bc2421da0
SHA512

d50a2951fb9235b257891e12b072df619fc590e8ed84b7b040871a3750fe592e2948ca05a7ff232ed08807a381f2b989a5ef1a2dd453cbe2c73d6b491ed76b49
SSDEEP

768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAjU+Emkc4:e6q10k0EFjed6rqJ+6vghzwYu7vih9Gh

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
1632	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
1632	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"	8d3f84db2d4da058e86a7bc180036e6b0e418375fe2652ebe263a22bc2421da0N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe
File created	C:\Windows\microsofthelp.exe	8d3f84db2d4da058e86a7bc180036e6b0e418375fe2652ebe263a22bc2421da0N.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	8d3f84db2d4da058e86a7bc180036e6b0e418375fe2652ebe263a22bc2421da0N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1640 wrote to memory of 1632	1640	8d3f84db2d4da058e86a7bc180036e6b0e418375fe2652ebe263a22bc2421da0N.exe	30
PID 1640 wrote to memory of 1632	1640	8d3f84db2d4da058e86a7bc180036e6b0e418375fe2652ebe263a22bc2421da0N.exe	30
PID 1640 wrote to memory of 1632	1640	8d3f84db2d4da058e86a7bc180036e6b0e418375fe2652ebe263a22bc2421da0N.exe	30
PID 1640 wrote to memory of 1632	1640	8d3f84db2d4da058e86a7bc180036e6b0e418375fe2652ebe263a22bc2421da0N.exe	30

C:\Users\Admin\AppData\Local\Temp\8d3f84db2d4da058e86a7bc180036e6b0e418375fe2652ebe263a22bc2421da0N.exe
"C:\Users\Admin\AppData\Local\Temp\8d3f84db2d4da058e86a7bc180036e6b0e418375fe2652ebe263a22bc2421da0N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1640
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:1632

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
97e3be1b5023dda2fb25fdcb71812639

SHA1
fd1f9809cea8f6db94116d86126c6ebbccf586bc

SHA256
a5a016af262739a2410d4b2b01b823c3db5a7230eca2dfbb9c404fa1917d4c5a

SHA512
ad3d9ea5d6bece333f18fac39dc8df74de5e3099738c839cadac1f089e5cffa9f112696d82f8b0d4199dffa649f062e55e08bf914ad7a0af9b02e008bccde73c

Download Submit
memory/1632-9-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1632-11-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1640-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1640-7-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads