f51954e5f180fb4bc02c2ddd8c00d2ed4f2f28493ed538d09e01d4fe86f9a33f

Analysis

max time kernel
119s
max time network
18s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
17-10-2024 16:47

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General

Target

f51954e5f180fb4bc02c2ddd8c00d2ed4f2f28493ed538d09e01d4fe86f9a33fN.exe
Size

26KB
MD5

7c5f4b001c51d5289795dcc802b56800
SHA1

eaec1c3ec6659e1500ebcfa5a5842dbaac52a5a1
SHA256

f51954e5f180fb4bc02c2ddd8c00d2ed4f2f28493ed538d09e01d4fe86f9a33f
SHA512

e03bf810695fa697f3d85453b1073737ab1171b1a884b0866f814e94ffcb312c087c90aa33935c5745536014c2edc467ed9ff1d659eb1ca169327bf077c0b056
SSDEEP

768:DqPJtsA6C1VqahohtgVRNToV7TtRu8rM0wk7IEhGOrhuH6SmEdtjHihnmihFhHhY:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wkg

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3052	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
3052	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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	f51954e5f180fb4bc02c2ddd8c00d2ed4f2f28493ed538d09e01d4fe86f9a33fN.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	f51954e5f180fb4bc02c2ddd8c00d2ed4f2f28493ed538d09e01d4fe86f9a33fN.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	f51954e5f180fb4bc02c2ddd8c00d2ed4f2f28493ed538d09e01d4fe86f9a33fN.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1760 wrote to memory of 3052	1760	f51954e5f180fb4bc02c2ddd8c00d2ed4f2f28493ed538d09e01d4fe86f9a33fN.exe	30
PID 1760 wrote to memory of 3052	1760	f51954e5f180fb4bc02c2ddd8c00d2ed4f2f28493ed538d09e01d4fe86f9a33fN.exe	30
PID 1760 wrote to memory of 3052	1760	f51954e5f180fb4bc02c2ddd8c00d2ed4f2f28493ed538d09e01d4fe86f9a33fN.exe	30
PID 1760 wrote to memory of 3052	1760	f51954e5f180fb4bc02c2ddd8c00d2ed4f2f28493ed538d09e01d4fe86f9a33fN.exe	30

C:\Users\Admin\AppData\Local\Temp\f51954e5f180fb4bc02c2ddd8c00d2ed4f2f28493ed538d09e01d4fe86f9a33fN.exe
"C:\Users\Admin\AppData\Local\Temp\f51954e5f180fb4bc02c2ddd8c00d2ed4f2f28493ed538d09e01d4fe86f9a33fN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1760
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  PID:3052

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
26KB

MD5
46fbb9907bac08a1af8970dbc1f80887

SHA1
bdc277f85b3437f3360b2f11ee0cd0b7d5d83952

SHA256
7e30687b65ce670392d34ac5aad7b77e807e35f56aa35a5154346d542e3de976

SHA512
9c0db23d91fd1ff7684a03e310610ac242e6bda227608eaaf133d219ee3453e1394e01269e0fa9b3f151890fe7dc80bffd5336c1e6a740809646490bee3f2ecc

Download Submit
memory/1760-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1760-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/3052-9-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads