edb531272693594f26e8a90739d70d0ef923a4d55166618d82d2f01ce99ad170

Analysis

max time kernel
119s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06-10-2024 02:50

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General

Target

edb531272693594f26e8a90739d70d0ef923a4d55166618d82d2f01ce99ad170N.exe
Size

64KB
MD5

254dc6011526114e90fdbd5fe5b06070
SHA1

7b2030b842566625284f6b74b17ff8907bd36220
SHA256

edb531272693594f26e8a90739d70d0ef923a4d55166618d82d2f01ce99ad170
SHA512

3f6d5272b427b98039364703a31b138133d0ee96e99601ad940f72c426dbd9884b09f09ba9fec64ee2060a8ad8c3b11c47668b40e2ab084917a061cb1cb9e73c
SSDEEP

1536:lAo0ej2d6rnJwwvlKlIUBP6vghzwYu7vih9GueIh9j2IoHAcBHUIFvSHbhqhJgv/:lAo1lOwvlKlXBP6vghzwYu7vih9GueI/

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2300	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2300	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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	edb531272693594f26e8a90739d70d0ef923a4d55166618d82d2f01ce99ad170N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	edb531272693594f26e8a90739d70d0ef923a4d55166618d82d2f01ce99ad170N.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	edb531272693594f26e8a90739d70d0ef923a4d55166618d82d2f01ce99ad170N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2280 wrote to memory of 2300	2280	edb531272693594f26e8a90739d70d0ef923a4d55166618d82d2f01ce99ad170N.exe	31
PID 2280 wrote to memory of 2300	2280	edb531272693594f26e8a90739d70d0ef923a4d55166618d82d2f01ce99ad170N.exe	31
PID 2280 wrote to memory of 2300	2280	edb531272693594f26e8a90739d70d0ef923a4d55166618d82d2f01ce99ad170N.exe	31
PID 2280 wrote to memory of 2300	2280	edb531272693594f26e8a90739d70d0ef923a4d55166618d82d2f01ce99ad170N.exe	31

C:\Users\Admin\AppData\Local\Temp\edb531272693594f26e8a90739d70d0ef923a4d55166618d82d2f01ce99ad170N.exe
"C:\Users\Admin\AppData\Local\Temp\edb531272693594f26e8a90739d70d0ef923a4d55166618d82d2f01ce99ad170N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2280
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:2300

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
f916bdd439741aae18903d11f26285c7

SHA1
9dccf195ffaa1981c1ea9e615987f02329d8995e

SHA256
6366655ee870464bc8fb9e47ef957a3c570fcd5c06cd60ecaaa345e128fc684f

SHA512
cb386db14924f059037429ba75d7caa55946af1511c680dc16fc29cced7adcc8a0ea5e4b0e952e20dcbffed5d8b378482692a6ad364c62c7440538439b469372

Download Submit
memory/2280-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2280-3-0x0000000000220000-0x000000000022F000-memory.dmp

Filesize
60KB

Download
memory/2300-8-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2300-10-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads