57af4a1abbfa11a54e2760cb3ecfeb46de229399ea01bbaf2031ea4d86e761ac

Analysis

max time kernel
119s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01/10/2024, 19:38

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General

Target

57af4a1abbfa11a54e2760cb3ecfeb46de229399ea01bbaf2031ea4d86e761acN.exe
Size

40KB
MD5

1c445f122e6a92c6783dfccd87cc5600
SHA1

f812bdf44f9f16c4f7ebd1ebec04a4d6d9af4fa4
SHA256

57af4a1abbfa11a54e2760cb3ecfeb46de229399ea01bbaf2031ea4d86e761ac
SHA512

9ff7c08643183e702beb94aa3b3ccee4a2f3751a21bb76fe4773cfda3372ae63285d2ce39f169a742e7482cf15c8311a8f4153ca9af0a97ba29e2b477257514b
SSDEEP

768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAjU+Eh6Im:e6q10k0EFjed6rqJ+6vghzwYu7vih9Ga

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
4984	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
4984	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-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	57af4a1abbfa11a54e2760cb3ecfeb46de229399ea01bbaf2031ea4d86e761acN.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	57af4a1abbfa11a54e2760cb3ecfeb46de229399ea01bbaf2031ea4d86e761acN.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	57af4a1abbfa11a54e2760cb3ecfeb46de229399ea01bbaf2031ea4d86e761acN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3548 wrote to memory of 4984	3548	57af4a1abbfa11a54e2760cb3ecfeb46de229399ea01bbaf2031ea4d86e761acN.exe	82
PID 3548 wrote to memory of 4984	3548	57af4a1abbfa11a54e2760cb3ecfeb46de229399ea01bbaf2031ea4d86e761acN.exe	82
PID 3548 wrote to memory of 4984	3548	57af4a1abbfa11a54e2760cb3ecfeb46de229399ea01bbaf2031ea4d86e761acN.exe	82

C:\Users\Admin\AppData\Local\Temp\57af4a1abbfa11a54e2760cb3ecfeb46de229399ea01bbaf2031ea4d86e761acN.exe
"C:\Users\Admin\AppData\Local\Temp\57af4a1abbfa11a54e2760cb3ecfeb46de229399ea01bbaf2031ea4d86e761acN.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3548
- 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:4984

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
40KB

MD5
e57916cceb0ade5b8bdd4578fce9b088

SHA1
3b79ab7c9625730e876b0fcc0da67aed0272a61b

SHA256
9d4f46a8a20efc1705a98186299afa24bf87a001814e1d3e71edeb00e7712970

SHA512
c0d5968b0aade40d9bd90412570f0e9d794638330f7ae4bd26e2c4a1ddc0610d8f47446195ae9eb6504bc24d09a05095779e1c5bae08e49d85ca00c461a7b312

Download Submit
memory/3548-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/3548-4-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/4984-6-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads