d771d257d53aefed49c68c1e07503ef78ab9c770fa5e14df3b549ddd3cd10bff

Analysis

max time kernel
119s
max time network
17s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
19/11/2024, 16:13

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General

Target

d771d257d53aefed49c68c1e07503ef78ab9c770fa5e14df3b549ddd3cd10bffN.exe
Size

29KB
MD5

42461c993aa4cc4b9b4bc39aef7fa920
SHA1

fca94fac57a93590cf1542b2bd5f37ca18144381
SHA256

d771d257d53aefed49c68c1e07503ef78ab9c770fa5e14df3b549ddd3cd10bff
SHA512

322a2ee6fe525188a759ccb99be9e472699a2171a1ac4e0b7d1a4f7f12b1872ca6a3df6e57e182f468011e38fc53703f02bdcfcdc8af74e6df8e9c2c900e69f4
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wk7IErqyEOGNFbuSxhLIsv/orh2I46j:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wkl

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2080	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2080	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-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	d771d257d53aefed49c68c1e07503ef78ab9c770fa5e14df3b549ddd3cd10bffN.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	d771d257d53aefed49c68c1e07503ef78ab9c770fa5e14df3b549ddd3cd10bffN.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	d771d257d53aefed49c68c1e07503ef78ab9c770fa5e14df3b549ddd3cd10bffN.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1500 wrote to memory of 2080	1500	d771d257d53aefed49c68c1e07503ef78ab9c770fa5e14df3b549ddd3cd10bffN.exe	30
PID 1500 wrote to memory of 2080	1500	d771d257d53aefed49c68c1e07503ef78ab9c770fa5e14df3b549ddd3cd10bffN.exe	30
PID 1500 wrote to memory of 2080	1500	d771d257d53aefed49c68c1e07503ef78ab9c770fa5e14df3b549ddd3cd10bffN.exe	30
PID 1500 wrote to memory of 2080	1500	d771d257d53aefed49c68c1e07503ef78ab9c770fa5e14df3b549ddd3cd10bffN.exe	30

C:\Users\Admin\AppData\Local\Temp\d771d257d53aefed49c68c1e07503ef78ab9c770fa5e14df3b549ddd3cd10bffN.exe
"C:\Users\Admin\AppData\Local\Temp\d771d257d53aefed49c68c1e07503ef78ab9c770fa5e14df3b549ddd3cd10bffN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1500
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:2080

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
29KB

MD5
b1eb675ea07cec7a3dd7e92b9492dd25

SHA1
caa89ef0a8ac3248b68c41e0b0626750e594546b

SHA256
b381db1f5d8b7cfd1f03a240059015c4108ada5933f4cef9b44a1a7dbb0085e5

SHA512
8cc9c61063f92b3fc4cffe70fe486dc11f730f0df8e8281cd92549326b73b62d3ec3bc287304f83306d83b35d94a976e08dd34b334d2c790ad3d211cb8c13c07

Download Submit
memory/1500-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1500-8-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1500-6-0x0000000000220000-0x0000000000223000-memory.dmp

Filesize
12KB

Download
memory/2080-9-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/2080-11-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads