af4f135c90db9fc64bcc284ab7d8c3bf7bdfc51b102c9bd1210c8f0173ec549c

Analysis

max time kernel
117s
max time network
117s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
29-02-2024 09:01

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General

Target

ae230c3fd420db279e635a7c44b7721c.exe
Size

24KB
MD5

ae230c3fd420db279e635a7c44b7721c
SHA1

0308da3e366aa566769facd71b57f61176144e9a
SHA256

af4f135c90db9fc64bcc284ab7d8c3bf7bdfc51b102c9bd1210c8f0173ec549c
SHA512

dbebc3a96172a2840f44c3589c308b2801b06e147c551ac1eddd722a56705d848c8b5926a663a729331d8c0c3b43a509f9ee2096d7f26c50729e8cf1e175c410
SSDEEP

384:E3eVES+/xwGkRKJZ8ZlM61qmTTMVF9/q570:bGS+ZfbJ6ZO8qYoAQ

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"	ae230c3fd420db279e635a7c44b7721c.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	ae230c3fd420db279e635a7c44b7721c.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
2616	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
2512	ipconfig.exe
2440	NETSTAT.EXE

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2616	tasklist.exe
Token: SeDebugPrivilege	2440	NETSTAT.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1728	ae230c3fd420db279e635a7c44b7721c.exe
1728	ae230c3fd420db279e635a7c44b7721c.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 1728 wrote to memory of 2728	1728	ae230c3fd420db279e635a7c44b7721c.exe	28
PID 1728 wrote to memory of 2728	1728	ae230c3fd420db279e635a7c44b7721c.exe	28
PID 1728 wrote to memory of 2728	1728	ae230c3fd420db279e635a7c44b7721c.exe	28
PID 1728 wrote to memory of 2728	1728	ae230c3fd420db279e635a7c44b7721c.exe	28
PID 2728 wrote to memory of 1044	2728	cmd.exe	30
PID 2728 wrote to memory of 1044	2728	cmd.exe	30
PID 2728 wrote to memory of 1044	2728	cmd.exe	30
PID 2728 wrote to memory of 1044	2728	cmd.exe	30
PID 2728 wrote to memory of 2512	2728	cmd.exe	31
PID 2728 wrote to memory of 2512	2728	cmd.exe	31
PID 2728 wrote to memory of 2512	2728	cmd.exe	31
PID 2728 wrote to memory of 2512	2728	cmd.exe	31
PID 2728 wrote to memory of 2616	2728	cmd.exe	32
PID 2728 wrote to memory of 2616	2728	cmd.exe	32
PID 2728 wrote to memory of 2616	2728	cmd.exe	32
PID 2728 wrote to memory of 2616	2728	cmd.exe	32
PID 2728 wrote to memory of 2032	2728	cmd.exe	34
PID 2728 wrote to memory of 2032	2728	cmd.exe	34
PID 2728 wrote to memory of 2032	2728	cmd.exe	34
PID 2728 wrote to memory of 2032	2728	cmd.exe	34
PID 2032 wrote to memory of 2524	2032	net.exe	35
PID 2032 wrote to memory of 2524	2032	net.exe	35
PID 2032 wrote to memory of 2524	2032	net.exe	35
PID 2032 wrote to memory of 2524	2032	net.exe	35
PID 2728 wrote to memory of 2440	2728	cmd.exe	36
PID 2728 wrote to memory of 2440	2728	cmd.exe	36
PID 2728 wrote to memory of 2440	2728	cmd.exe	36
PID 2728 wrote to memory of 2440	2728	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\ae230c3fd420db279e635a7c44b7721c.exe
"C:\Users\Admin\AppData\Local\Temp\ae230c3fd420db279e635a7c44b7721c.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1728
- 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:2728
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c set
    3⤵
    PID:1044
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:2512
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:2616
- - C:\Windows\SysWOW64\net.exe
    net start
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2032
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start
      4⤵
      PID:2524
- - C:\Windows\SysWOW64\NETSTAT.EXE
    netstat -an
    3⤵
    - Gathers network information
    - Suspicious use of AdjustPrivilegeToken
    PID:2440

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
93078350854bcd6a766075aa73dfc9a9

SHA1
3638a9d35ced2dbd9d675ad2ffe6ac7881aa75a4

SHA256
f400f8f8201ada615c9ef87c25c797d76101c63d156c2177af8da7c3f5e31c83

SHA512
758dfdd4e269214aae2b82d665ec82905d24b11e12cb2e28f6107824f6d835c12cb2aab6cacd84cac8de09cb0bd59815880338e11879e95fd1e3c693f419df75

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads