33f043312c6c19078478d8d511bda5658bd2833dece84b8bcc65f883d846c0bb

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25-01-2024 17:49

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General

Target

75224889052303d6957df2a245c8f1c6.exe
Size

24KB
MD5

75224889052303d6957df2a245c8f1c6
SHA1

79d79d01d5a4cb2d175756b20357ee8266eee9d4
SHA256

33f043312c6c19078478d8d511bda5658bd2833dece84b8bcc65f883d846c0bb
SHA512

60a4635db483f1229e7658bb84089e9ae8e03297aafd49ff887f3aad00384460e7b087f2b5e67de4d0d55ca5456d227f63a0b35f3bfa85fb70cb16a1b8b95e4a
SSDEEP

384:E3eVES+/xwGkRKJ0gDrOUlM61qmTTMVF9/q5h0:bGS+ZfbJLWUO8qYoA+

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"	75224889052303d6957df2a245c8f1c6.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	75224889052303d6957df2a245c8f1c6.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
1660	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
2200	ipconfig.exe
2796	NETSTAT.EXE

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1660	tasklist.exe
Token: SeDebugPrivilege	2796	NETSTAT.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2536	75224889052303d6957df2a245c8f1c6.exe
2536	75224889052303d6957df2a245c8f1c6.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2536 wrote to memory of 2204	2536	75224889052303d6957df2a245c8f1c6.exe	28
PID 2536 wrote to memory of 2204	2536	75224889052303d6957df2a245c8f1c6.exe	28
PID 2536 wrote to memory of 2204	2536	75224889052303d6957df2a245c8f1c6.exe	28
PID 2536 wrote to memory of 2204	2536	75224889052303d6957df2a245c8f1c6.exe	28
PID 2204 wrote to memory of 2188	2204	cmd.exe	30
PID 2204 wrote to memory of 2188	2204	cmd.exe	30
PID 2204 wrote to memory of 2188	2204	cmd.exe	30
PID 2204 wrote to memory of 2188	2204	cmd.exe	30
PID 2204 wrote to memory of 2200	2204	cmd.exe	31
PID 2204 wrote to memory of 2200	2204	cmd.exe	31
PID 2204 wrote to memory of 2200	2204	cmd.exe	31
PID 2204 wrote to memory of 2200	2204	cmd.exe	31
PID 2204 wrote to memory of 1660	2204	cmd.exe	32
PID 2204 wrote to memory of 1660	2204	cmd.exe	32
PID 2204 wrote to memory of 1660	2204	cmd.exe	32
PID 2204 wrote to memory of 1660	2204	cmd.exe	32
PID 2204 wrote to memory of 2772	2204	cmd.exe	34
PID 2204 wrote to memory of 2772	2204	cmd.exe	34
PID 2204 wrote to memory of 2772	2204	cmd.exe	34
PID 2204 wrote to memory of 2772	2204	cmd.exe	34
PID 2772 wrote to memory of 2776	2772	net.exe	35
PID 2772 wrote to memory of 2776	2772	net.exe	35
PID 2772 wrote to memory of 2776	2772	net.exe	35
PID 2772 wrote to memory of 2776	2772	net.exe	35
PID 2204 wrote to memory of 2796	2204	cmd.exe	36
PID 2204 wrote to memory of 2796	2204	cmd.exe	36
PID 2204 wrote to memory of 2796	2204	cmd.exe	36
PID 2204 wrote to memory of 2796	2204	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\75224889052303d6957df2a245c8f1c6.exe
"C:\Users\Admin\AppData\Local\Temp\75224889052303d6957df2a245c8f1c6.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2536
- 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:2204
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c set
    3⤵
    PID:2188
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:2200
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:1660
- - C:\Windows\SysWOW64\net.exe
    net start
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2772
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start
      4⤵
      PID:2776
- - C:\Windows\SysWOW64\NETSTAT.EXE
    netstat -an
    3⤵
    - Gathers network information
    - Suspicious use of AdjustPrivilegeToken
    PID:2796

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
8KB

MD5
3e7af06fb180a06ca9e968f7fb3d0484

SHA1
a2ec30635ad4d0bb7eb03e8267f73e93daffb777

SHA256
7aa5d8a28b67f321fc5c9d994c07410f4e8e1e46325197b99d3286dfd180bb30

SHA512
7b82d20b9b55c889bca8353b87e174c23d08245c6aa789e765f55c85f49e0d0d1b91889e81b05c9b6cf274a005266d3c19e878ecc3f8dac29e06d2b04a23b895

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads