a6c10b4c454db2300d66ca172aa14ebbad0dfc86bebcb02c90f7fb8457871c16

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
05/09/2024, 01:56

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General

Target

a89543d1989aee8cc009795dac2cbc20N.exe
Size

41KB
MD5

a89543d1989aee8cc009795dac2cbc20
SHA1

94b6d11c63891b9ac17e95411ec7b238df1c287b
SHA256

a6c10b4c454db2300d66ca172aa14ebbad0dfc86bebcb02c90f7fb8457871c16
SHA512

c9c24930b775a68e104af9fd2624f38e68b7bb8c091f4ed64a962ecb85f56e79cc7e9753a79e6e235eb086dfbed294c955792c4f7280d5be92858a9d529270ac
SSDEEP

768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAjU+Eh6In:e6q10k0EFjed6rqJ+6vghzwYu7vih9GT

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2280	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2280	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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	a89543d1989aee8cc009795dac2cbc20N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	a89543d1989aee8cc009795dac2cbc20N.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	a89543d1989aee8cc009795dac2cbc20N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2668 wrote to memory of 2280	2668	a89543d1989aee8cc009795dac2cbc20N.exe	31
PID 2668 wrote to memory of 2280	2668	a89543d1989aee8cc009795dac2cbc20N.exe	31
PID 2668 wrote to memory of 2280	2668	a89543d1989aee8cc009795dac2cbc20N.exe	31
PID 2668 wrote to memory of 2280	2668	a89543d1989aee8cc009795dac2cbc20N.exe	31

C:\Users\Admin\AppData\Local\Temp\a89543d1989aee8cc009795dac2cbc20N.exe
"C:\Users\Admin\AppData\Local\Temp\a89543d1989aee8cc009795dac2cbc20N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2668
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:2280

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
ebcd9c1355466199f954ec0fd68051e1

SHA1
5aa536c0b5299627386ee7a742f55bb977af147d

SHA256
7b4654f25d260489638f85d8e452e12edc47f7261bd955186c69e196d8b9e396

SHA512
73da4e87938d038cd3719bd73097208956a117d6502e5dfc7da0a60ed7a75b9d3efc17e298c84eed049498bba91978f261e6d918de6a937c9ec9cb4cedb7262b

Download Submit
memory/2280-9-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2280-11-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2668-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2668-7-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads