ef00a4884b826f0be00d05493281079483847a5d1565ddab5f4020854dc7dbb4

Analysis

max time kernel
120s
max time network
18s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
18/10/2024, 09:25

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General

Target

ef00a4884b826f0be00d05493281079483847a5d1565ddab5f4020854dc7dbb4N.exe
Size

42KB
MD5

cc72a1a7858131c290e15f48cf0d57f0
SHA1

3aad3ee395373f5ed060a159d85b2b5f72847dca
SHA256

ef00a4884b826f0be00d05493281079483847a5d1565ddab5f4020854dc7dbb4
SHA512

08d9d2460adc7da8acceccd7d878416805b7cc4990111fad671db1caa10bf13649ad890975d907e8a2ffc76f019a593c8b087bb1a0850f6cf0f2f4bb92f4f214
SSDEEP

768:ePyFZFASe0Ep0EpHZplRpqpd6rqxn4p6vghzwYu7vih9GueIh9j2IoHAjU+Emkc9:e6q10k0EFjed6rqJ+6vghzwYu7vih9GI

Score

7^/10

discovery persistence

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2124	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2124	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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	ef00a4884b826f0be00d05493281079483847a5d1565ddab5f4020854dc7dbb4N.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	ef00a4884b826f0be00d05493281079483847a5d1565ddab5f4020854dc7dbb4N.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	ef00a4884b826f0be00d05493281079483847a5d1565ddab5f4020854dc7dbb4N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 840 wrote to memory of 2124	840	ef00a4884b826f0be00d05493281079483847a5d1565ddab5f4020854dc7dbb4N.exe	29
PID 840 wrote to memory of 2124	840	ef00a4884b826f0be00d05493281079483847a5d1565ddab5f4020854dc7dbb4N.exe	29
PID 840 wrote to memory of 2124	840	ef00a4884b826f0be00d05493281079483847a5d1565ddab5f4020854dc7dbb4N.exe	29
PID 840 wrote to memory of 2124	840	ef00a4884b826f0be00d05493281079483847a5d1565ddab5f4020854dc7dbb4N.exe	29

C:\Users\Admin\AppData\Local\Temp\ef00a4884b826f0be00d05493281079483847a5d1565ddab5f4020854dc7dbb4N.exe
"C:\Users\Admin\AppData\Local\Temp\ef00a4884b826f0be00d05493281079483847a5d1565ddab5f4020854dc7dbb4N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:840
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:2124

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
43KB

MD5
d787170d5e4371081a43a4e348284dfc

SHA1
da0485a26faefd2fabc09df6eac5d74b014dd1d7

SHA256
6bc1efde0b9fce1d05e58765dc1643b9d5abd705980e72e961fbdcbd30db283c

SHA512
0b6622c34525035243f7540eab21002c30c7c270d7f9d45a7ec474594c262457ed8db3f2d5094391e6bd4b030cae90e0b1194d2c069acac8703b5952a7581cd3

Download Submit
memory/840-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/840-2-0x0000000000220000-0x000000000022E000-memory.dmp

Filesize
56KB

Download
memory/840-9-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/840-8-0x0000000000220000-0x000000000022E000-memory.dmp

Filesize
56KB

Download
memory/2124-11-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2124-13-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads