839be998064fb7bb8aca1771dc1d80295a26f29d863b39c3ea1b81b440f3f6c1

Analysis

max time kernel
117s
max time network
125s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
30-12-2023 02:14

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General

Target

0b4a2375493a07e21024f37bbeefaaef.exe
Size

24KB
MD5

0b4a2375493a07e21024f37bbeefaaef
SHA1

ae143cdb566eb91cb5fba0708a9f71c4eb88792c
SHA256

839be998064fb7bb8aca1771dc1d80295a26f29d863b39c3ea1b81b440f3f6c1
SHA512

b3c69717805a8d5e085cf0bf8325daa24bfd77f1f65fb3b53a15568a592e2856e8ba3a61789013e0dfb2a54110666cb459a3fe5f0a3539d49c05faa69d8b1cd9
SSDEEP

384:E3eVES+/xwGkRKJU5tlM61qmTTMVF9/q5m0:bGS+ZfbJgO8qYoAP

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"	0b4a2375493a07e21024f37bbeefaaef.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	0b4a2375493a07e21024f37bbeefaaef.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
2336	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
2360	ipconfig.exe
2800	NETSTAT.EXE

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2336	tasklist.exe
Token: SeDebugPrivilege	2800	NETSTAT.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3044	0b4a2375493a07e21024f37bbeefaaef.exe
3044	0b4a2375493a07e21024f37bbeefaaef.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 3044 wrote to memory of 1912	3044	0b4a2375493a07e21024f37bbeefaaef.exe	28
PID 3044 wrote to memory of 1912	3044	0b4a2375493a07e21024f37bbeefaaef.exe	28
PID 3044 wrote to memory of 1912	3044	0b4a2375493a07e21024f37bbeefaaef.exe	28
PID 3044 wrote to memory of 1912	3044	0b4a2375493a07e21024f37bbeefaaef.exe	28
PID 1912 wrote to memory of 2976	1912	cmd.exe	30
PID 1912 wrote to memory of 2976	1912	cmd.exe	30
PID 1912 wrote to memory of 2976	1912	cmd.exe	30
PID 1912 wrote to memory of 2976	1912	cmd.exe	30
PID 1912 wrote to memory of 2360	1912	cmd.exe	31
PID 1912 wrote to memory of 2360	1912	cmd.exe	31
PID 1912 wrote to memory of 2360	1912	cmd.exe	31
PID 1912 wrote to memory of 2360	1912	cmd.exe	31
PID 1912 wrote to memory of 2336	1912	cmd.exe	32
PID 1912 wrote to memory of 2336	1912	cmd.exe	32
PID 1912 wrote to memory of 2336	1912	cmd.exe	32
PID 1912 wrote to memory of 2336	1912	cmd.exe	32
PID 1912 wrote to memory of 2776	1912	cmd.exe	34
PID 1912 wrote to memory of 2776	1912	cmd.exe	34
PID 1912 wrote to memory of 2776	1912	cmd.exe	34
PID 1912 wrote to memory of 2776	1912	cmd.exe	34
PID 2776 wrote to memory of 2780	2776	net.exe	35
PID 2776 wrote to memory of 2780	2776	net.exe	35
PID 2776 wrote to memory of 2780	2776	net.exe	35
PID 2776 wrote to memory of 2780	2776	net.exe	35
PID 1912 wrote to memory of 2800	1912	cmd.exe	36
PID 1912 wrote to memory of 2800	1912	cmd.exe	36
PID 1912 wrote to memory of 2800	1912	cmd.exe	36
PID 1912 wrote to memory of 2800	1912	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\0b4a2375493a07e21024f37bbeefaaef.exe
"C:\Users\Admin\AppData\Local\Temp\0b4a2375493a07e21024f37bbeefaaef.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3044
- 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:1912
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c set
    3⤵
    PID:2976
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:2360
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:2336
- - C:\Windows\SysWOW64\net.exe
    net start
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2776
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start
      4⤵
      PID:2780
- - C:\Windows\SysWOW64\NETSTAT.EXE
    netstat -an
    3⤵
    - Gathers network information
    - Suspicious use of AdjustPrivilegeToken
    PID:2800

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
26b0e92b2c911d3f011416de0d4a5447

SHA1
aecd768dd92ff96f24f418fef5f7629b0fabf236

SHA256
a04e3e189026773f13626fe17e236f3088d76481fe4e8bc716cdfacb94be0d10

SHA512
cdde1a44055badcf2073e85e4f8ac1447906f109f8cd9d01bb071c7bbeaca4861b7fd3d41075930f6e94077d66d01ac436c8f3cd514fdd27208b644b1c961df0

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads