92a019755bd77196c5d118d083c0744bcc75102451b639f1150892a7ef094596

Analysis

max time kernel
119s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
01/10/2024, 19:18

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General

Target

92a019755bd77196c5d118d083c0744bcc75102451b639f1150892a7ef094596N.exe
Size

65KB
MD5

ca984b94ec97ff0aa16f79ddb21d93a0
SHA1

ec3235043047498855d6b7be4d13245d48064fe2
SHA256

92a019755bd77196c5d118d083c0744bcc75102451b639f1150892a7ef094596
SHA512

73506efc1d0e618d657a22d12254e57e70a887094fd6cb25979e4fdfcc82a3e2f708fd7cb089d4e2c1a89e6ae3e70df5d53d57fd4b06e20de4b891c659fba204
SSDEEP

1536:NAo0Tj2d6rnJwwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAcBHUIFvSHbhqhJgvb6:NAoglOwvl4ulkP6vghzwYu7vih9GueIu

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2764	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2764	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"	92a019755bd77196c5d118d083c0744bcc75102451b639f1150892a7ef094596N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	92a019755bd77196c5d118d083c0744bcc75102451b639f1150892a7ef094596N.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.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	92a019755bd77196c5d118d083c0744bcc75102451b639f1150892a7ef094596N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2668 wrote to memory of 2764	2668	92a019755bd77196c5d118d083c0744bcc75102451b639f1150892a7ef094596N.exe	31
PID 2668 wrote to memory of 2764	2668	92a019755bd77196c5d118d083c0744bcc75102451b639f1150892a7ef094596N.exe	31
PID 2668 wrote to memory of 2764	2668	92a019755bd77196c5d118d083c0744bcc75102451b639f1150892a7ef094596N.exe	31
PID 2668 wrote to memory of 2764	2668	92a019755bd77196c5d118d083c0744bcc75102451b639f1150892a7ef094596N.exe	31

C:\Users\Admin\AppData\Local\Temp\92a019755bd77196c5d118d083c0744bcc75102451b639f1150892a7ef094596N.exe
"C:\Users\Admin\AppData\Local\Temp\92a019755bd77196c5d118d083c0744bcc75102451b639f1150892a7ef094596N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2668
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:2764

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
65KB

MD5
9b1195719ec05c93ea1777250f4a7ac8

SHA1
ccef0c4b9af22a9676cc11c2c11f91046441c8f6

SHA256
a3f51cb47ff6839342efcf88675949b6305cbc99fe4dd6256fdfe2fb7abf5f18

SHA512
5a26724671a215c92b0a799c1fcf19e7f37374f19c0c67425ceb809b38409a2571f660bccd9ab05c778e79dc5d24eb4e0f32ad2ec6ce6ac1c2c322f666c01191

Download Submit
memory/2668-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2668-3-0x00000000001B0000-0x00000000001BF000-memory.dmp

Filesize
60KB

Download
memory/2668-7-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2764-10-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads