a898e418e698700f0a13ba22c57182f33925d77e2dbe5a65975d0c306923c7c2

Analysis

max time kernel
149s
max time network
125s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
24-08-2024 00:45

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General

Target

a898e418e698700f0a13ba22c57182f33925d77e2dbe5a65975d0c306923c7c2.exe
Size

62KB
MD5

1d74d5a3aeed8449c43312c628998428
SHA1

a8aebac73a4166a0a507c63811d62c67689c54fc
SHA256

a898e418e698700f0a13ba22c57182f33925d77e2dbe5a65975d0c306923c7c2
SHA512

5bf57b0736d21513f03e221d9446fbe5c7333f13dc34dcb60489142f66ff3dde8dd3b0b3e55ead35c32d575bc177b0fdda28763332a8c2a64d98c086a7cea8ef
SSDEEP

1536:NAo0Tj2d6rnJwwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAcBHUIFvSHhhhThshy+:NAoglOwvl4ulkP6vghzwYu7vih9GueI+

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2760	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2760	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-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	a898e418e698700f0a13ba22c57182f33925d77e2dbe5a65975d0c306923c7c2.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	a898e418e698700f0a13ba22c57182f33925d77e2dbe5a65975d0c306923c7c2.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	a898e418e698700f0a13ba22c57182f33925d77e2dbe5a65975d0c306923c7c2.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2688 wrote to memory of 2760	2688	a898e418e698700f0a13ba22c57182f33925d77e2dbe5a65975d0c306923c7c2.exe	30
PID 2688 wrote to memory of 2760	2688	a898e418e698700f0a13ba22c57182f33925d77e2dbe5a65975d0c306923c7c2.exe	30
PID 2688 wrote to memory of 2760	2688	a898e418e698700f0a13ba22c57182f33925d77e2dbe5a65975d0c306923c7c2.exe	30
PID 2688 wrote to memory of 2760	2688	a898e418e698700f0a13ba22c57182f33925d77e2dbe5a65975d0c306923c7c2.exe	30

C:\Users\Admin\AppData\Local\Temp\a898e418e698700f0a13ba22c57182f33925d77e2dbe5a65975d0c306923c7c2.exe
"C:\Users\Admin\AppData\Local\Temp\a898e418e698700f0a13ba22c57182f33925d77e2dbe5a65975d0c306923c7c2.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2688
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:2760

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
62KB

MD5
d96a027d2326a100fb55c69e2c66fdec

SHA1
a5f3854e38e4cb7e50a9ef9340bece626b4448c4

SHA256
edfba3dad27f5c8f7d542c76009ce7f1cea479ae0621d2a2e5c23c0030dedc43

SHA512
8a28f4a72b92fd0ba3263c2273698f2f21fd7a5fe62ba200959c547df46c254479a9e0e7df800dab9f11c61686f690c34f357f71eca853ad6d8c5d006cb7551c

Download Submit
memory/2688-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2688-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2760-9-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads