89273a8239cf3021b0a54aebca686b679daf1764a4f33e6e4c4e4eaaa3b442a3

Analysis

max time kernel
119s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03/10/2024, 00:19

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General

Target

89273a8239cf3021b0a54aebca686b679daf1764a4f33e6e4c4e4eaaa3b442a3N.exe
Size

42KB
MD5

8f0d1145fae3226e71cb00bef0dee890
SHA1

085075f00d15916cc5654e882994f742013efc3b
SHA256

89273a8239cf3021b0a54aebca686b679daf1764a4f33e6e4c4e4eaaa3b442a3
SHA512

379a4a5d1e4dcf5c7956b0b2912919909adbae39dd0b8c62da080defbadd74bc3e9bd16cd53ac28ee72dcb4f1db783df7edf71f09a5a0b3d3b3334789367ea88
SSDEEP

768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAjUvJjWHJ:e6q10k0EFjed6rqJ+6vghzwYu7vih9G0

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2740	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2740	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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	89273a8239cf3021b0a54aebca686b679daf1764a4f33e6e4c4e4eaaa3b442a3N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	89273a8239cf3021b0a54aebca686b679daf1764a4f33e6e4c4e4eaaa3b442a3N.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.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	89273a8239cf3021b0a54aebca686b679daf1764a4f33e6e4c4e4eaaa3b442a3N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2636 wrote to memory of 2740	2636	89273a8239cf3021b0a54aebca686b679daf1764a4f33e6e4c4e4eaaa3b442a3N.exe	31
PID 2636 wrote to memory of 2740	2636	89273a8239cf3021b0a54aebca686b679daf1764a4f33e6e4c4e4eaaa3b442a3N.exe	31
PID 2636 wrote to memory of 2740	2636	89273a8239cf3021b0a54aebca686b679daf1764a4f33e6e4c4e4eaaa3b442a3N.exe	31
PID 2636 wrote to memory of 2740	2636	89273a8239cf3021b0a54aebca686b679daf1764a4f33e6e4c4e4eaaa3b442a3N.exe	31

C:\Users\Admin\AppData\Local\Temp\89273a8239cf3021b0a54aebca686b679daf1764a4f33e6e4c4e4eaaa3b442a3N.exe
"C:\Users\Admin\AppData\Local\Temp\89273a8239cf3021b0a54aebca686b679daf1764a4f33e6e4c4e4eaaa3b442a3N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2636
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:2740

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
42KB

MD5
b82e9a8e9db461c339a8e0acb108b9d8

SHA1
f56158ba10ba419faa2f74d78cfcff1faee20e48

SHA256
9ac05fa610e167f5074773ed15634c633eaa259859203eb7ceb1967b351a3d78

SHA512
08d14f772485fbf31ee190067b086872408600cf42547fc32796f2848ce5913454eafd8640e1dddbe602693b15fe1ff1df40d0059d25b3f5da135c96536bcb9b

Download Submit
memory/2636-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2636-3-0x0000000000220000-0x000000000022E000-memory.dmp

Filesize
56KB

Download
memory/2740-9-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2740-11-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads