64b586b3c1ad5ef4fb644178403d06a277ea7725dc989fe8f880068f801b0ab3

Analysis

max time kernel
143s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/01/2024, 13:55

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General

Target

74dd30781f439b8ba87ff15e38e9feb7.exe
Size

24KB
MD5

74dd30781f439b8ba87ff15e38e9feb7
SHA1

69d0dfcab05663214b00cb4584493ac72a78a790
SHA256

64b586b3c1ad5ef4fb644178403d06a277ea7725dc989fe8f880068f801b0ab3
SHA512

b08910166d12f0d5d3327e37e877e23c5484a494c4d296a0f1210ac3e980022d3c672a476cd7b7081c6c481a080961cd58955c11e8e2bcbdc5ad7af5622d9864
SSDEEP

384:E3eVES+/xwGkRKJnJtlM61qmTTMVF9/q5f0:bGS+ZfbJnO8qYoAc

Score

6^/10

persistence

Malware Config

Signatures

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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Start GeekBuddy = "C:\\Program Files\\Common Files\\Microsoft Shared\\Web Folders\\1033\\spoolsv.exe"	74dd30781f439b8ba87ff15e38e9feb7.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared\Web Folders\1033\spoolsv.exe	74dd30781f439b8ba87ff15e38e9feb7.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
1164	tasklist.exe

Gathers network information 2 TTPs 2 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
2816	ipconfig.exe
4468	NETSTAT.EXE

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1164	tasklist.exe
Token: SeDebugPrivilege	4468	NETSTAT.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3600	74dd30781f439b8ba87ff15e38e9feb7.exe
3600	74dd30781f439b8ba87ff15e38e9feb7.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3600 wrote to memory of 3148	3600	74dd30781f439b8ba87ff15e38e9feb7.exe	85
PID 3600 wrote to memory of 3148	3600	74dd30781f439b8ba87ff15e38e9feb7.exe	85
PID 3600 wrote to memory of 3148	3600	74dd30781f439b8ba87ff15e38e9feb7.exe	85
PID 3148 wrote to memory of 4648	3148	cmd.exe	87
PID 3148 wrote to memory of 4648	3148	cmd.exe	87
PID 3148 wrote to memory of 4648	3148	cmd.exe	87
PID 3148 wrote to memory of 2816	3148	cmd.exe	89
PID 3148 wrote to memory of 2816	3148	cmd.exe	89
PID 3148 wrote to memory of 2816	3148	cmd.exe	89
PID 3148 wrote to memory of 1164	3148	cmd.exe	90
PID 3148 wrote to memory of 1164	3148	cmd.exe	90
PID 3148 wrote to memory of 1164	3148	cmd.exe	90
PID 3148 wrote to memory of 2084	3148	cmd.exe	94
PID 3148 wrote to memory of 2084	3148	cmd.exe	94
PID 3148 wrote to memory of 2084	3148	cmd.exe	94
PID 2084 wrote to memory of 1604	2084	net.exe	95
PID 2084 wrote to memory of 1604	2084	net.exe	95
PID 2084 wrote to memory of 1604	2084	net.exe	95
PID 3148 wrote to memory of 4468	3148	cmd.exe	96
PID 3148 wrote to memory of 4468	3148	cmd.exe	96
PID 3148 wrote to memory of 4468	3148	cmd.exe	96

C:\Users\Admin\AppData\Local\Temp\74dd30781f439b8ba87ff15e38e9feb7.exe
"C:\Users\Admin\AppData\Local\Temp\74dd30781f439b8ba87ff15e38e9feb7.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3600
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ver >c:\windows\temp\flash.log & cmd /c set >>c:\windows\temp\flash.log & ipconfig /all >>c:\windows\temp\flash.log & tasklist >>c:\windows\temp\flash.log & net start>>c:\windows\temp\flash.log & netstat -an >>c:\windows\temp\flash.log
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3148
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c set
    3⤵
    PID:4648
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:2816
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:1164
- - C:\Windows\SysWOW64\net.exe
    net start
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2084
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start
      4⤵
      PID:1604
- - C:\Windows\SysWOW64\NETSTAT.EXE
    netstat -an
    3⤵
    - Gathers network information
    - Suspicious use of AdjustPrivilegeToken
    PID:4468

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

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

Process Discovery

T1057

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\??\c:\windows\temp\flash.log

Filesize
14KB

MD5
bdc4a087a6193f4f13241fcaf8d9107d

SHA1
2b86b98a329f63fd74d58463acfc43fe1ebf63fa

SHA256
3bf40a3974c7975863c4d86dc67b26b0c3712937913c1aac4b17db4f26d2ab74

SHA512
58e49933c197047ab714b60acf51ee0fd33217ae63fb3a3e476603ea3f28cd46bc10facae0bef914b8597f7c664bae6f3fb36dd1c94d03ccafdb065607240952

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads