bc1e53929011ab0453d02dc8d7ebbf7a31784e7e52cb330dd04829f19b6425fc

Analysis

max time kernel
119s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09/10/2024, 09:57

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General

Target

bc1e53929011ab0453d02dc8d7ebbf7a31784e7e52cb330dd04829f19b6425fcN.exe
Size

42KB
MD5

f2ae487f78f8bd783abf1dbe39116570
SHA1

fed7df7a6a9fea408cd1edd5ad052b008b0d4558
SHA256

bc1e53929011ab0453d02dc8d7ebbf7a31784e7e52cb330dd04829f19b6425fc
SHA512

612dc14e007057dad889769b897c5006ac141b3577a7932e941e7417eae34587c757fe11b50d46265e6f635e570598740a7b430016d19fd8d2323f8e561e396b
SSDEEP

768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAjUvJw3/n:e6q10k0EFjed6rqJ+6vghzwYu7vih9GQ

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
512	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
512	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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	bc1e53929011ab0453d02dc8d7ebbf7a31784e7e52cb330dd04829f19b6425fcN.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe
File created	C:\Windows\microsofthelp.exe	bc1e53929011ab0453d02dc8d7ebbf7a31784e7e52cb330dd04829f19b6425fcN.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	bc1e53929011ab0453d02dc8d7ebbf7a31784e7e52cb330dd04829f19b6425fcN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3428 wrote to memory of 512	3428	bc1e53929011ab0453d02dc8d7ebbf7a31784e7e52cb330dd04829f19b6425fcN.exe	84
PID 3428 wrote to memory of 512	3428	bc1e53929011ab0453d02dc8d7ebbf7a31784e7e52cb330dd04829f19b6425fcN.exe	84
PID 3428 wrote to memory of 512	3428	bc1e53929011ab0453d02dc8d7ebbf7a31784e7e52cb330dd04829f19b6425fcN.exe	84

C:\Users\Admin\AppData\Local\Temp\bc1e53929011ab0453d02dc8d7ebbf7a31784e7e52cb330dd04829f19b6425fcN.exe
"C:\Users\Admin\AppData\Local\Temp\bc1e53929011ab0453d02dc8d7ebbf7a31784e7e52cb330dd04829f19b6425fcN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3428
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  PID:512

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
9ff000139367ecbad8fc26b15737ff79

SHA1
711bea06d3580ea18cee154c2804e654b7bc5d0b

SHA256
0a7c2a6370346958c8cd9777dbceb4105d8780a646f7638b1b2d0dce14f02849

SHA512
1575fcacb9625197b69227292dc5a252d249f713fd44a0bfdbb582046ccdfd91fb6b06f60459dcfacd3164cdb7da028d8dafb910d303453af5430dca19abffe7

Download Submit
memory/512-7-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/3428-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/3428-5-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads