bc67e25233da2a58e851dbaaf672f3f0903812935530a88fc69f563bb6a9eeb5

Analysis

max time kernel
149s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21/11/2024, 06:47

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General

Target

bc67e25233da2a58e851dbaaf672f3f0903812935530a88fc69f563bb6a9eeb5.exe
Size

61KB
MD5

0f531a775233027ca29eed566501d7f3
SHA1

45abc55baf06e23f325a525c773cccab3b59acfd
SHA256

bc67e25233da2a58e851dbaaf672f3f0903812935530a88fc69f563bb6a9eeb5
SHA512

906d2ca4287fd6c44c9601ac0139dee7212cdca378805dd74614f5d1681863ba9721f3729acbcd54a35831dc7634507db9ae65eaa40fab671958ff2f481ad02c
SSDEEP

1536:DqMA6C1VqaqhtgVRNToV7TtRu8rM0wYVFl2g5u58dO0xXHQEyYfdhNhFO5h3xhIK:+MA6C1VqaqhtgVRNToV7TtRu8rM0wYV0

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
3316	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
3316	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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	bc67e25233da2a58e851dbaaf672f3f0903812935530a88fc69f563bb6a9eeb5.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	bc67e25233da2a58e851dbaaf672f3f0903812935530a88fc69f563bb6a9eeb5.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	microsofthelp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bc67e25233da2a58e851dbaaf672f3f0903812935530a88fc69f563bb6a9eeb5.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1752 wrote to memory of 3316	1752	bc67e25233da2a58e851dbaaf672f3f0903812935530a88fc69f563bb6a9eeb5.exe	82
PID 1752 wrote to memory of 3316	1752	bc67e25233da2a58e851dbaaf672f3f0903812935530a88fc69f563bb6a9eeb5.exe	82
PID 1752 wrote to memory of 3316	1752	bc67e25233da2a58e851dbaaf672f3f0903812935530a88fc69f563bb6a9eeb5.exe	82

C:\Users\Admin\AppData\Local\Temp\bc67e25233da2a58e851dbaaf672f3f0903812935530a88fc69f563bb6a9eeb5.exe
"C:\Users\Admin\AppData\Local\Temp\bc67e25233da2a58e851dbaaf672f3f0903812935530a88fc69f563bb6a9eeb5.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1752
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3316

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
61KB

MD5
f2957f82cae5aa975ab1a24597b0d1c6

SHA1
8941c21a4619aee53bd8f5fdb0803039b2562d93

SHA256
6c8fa2138b5531a240bf2621d6ceaf9b7d8ba6881d7f21ca5d865b0c578e736a

SHA512
ffa09ff8009e31e8da45a1f03bc2102309067e42fa0963bf9a59c8b7052d44e533dc972bb20890972357c01f80baa2e09b789ca93d1f173a3d0ece191403ba42

Download Submit
memory/1752-0-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/1752-4-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download
memory/3316-6-0x0000000000400000-0x0000000000403000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads