85b0ba65f214dcbe5b38108638172f1c8782a305741238d4f9bdabaf1f7150b2

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
26-01-2024 11:26

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General

Target

773c364acd92cd3926ca2e0a612633a1.exe
Size

24KB
MD5

773c364acd92cd3926ca2e0a612633a1
SHA1

1871090b7285e51f46a9d08bda0aa15b8e642813
SHA256

85b0ba65f214dcbe5b38108638172f1c8782a305741238d4f9bdabaf1f7150b2
SHA512

daaa829039218607bcc1e40281e474b5914272e0a516845bee45dbcdc3f9545886382064837194e1a556b56ccb431bfb0a91fce630d18725b4110cec587453c3
SSDEEP

384:E3eVES+/xwGkRKJz8lM61qmTTMVF9/q5p0:bGS+ZfbJYO8qYoAW

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"	773c364acd92cd3926ca2e0a612633a1.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	773c364acd92cd3926ca2e0a612633a1.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
1200	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
2992	ipconfig.exe
2740	NETSTAT.EXE

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1200	tasklist.exe
Token: SeDebugPrivilege	2740	NETSTAT.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1544	773c364acd92cd3926ca2e0a612633a1.exe
1544	773c364acd92cd3926ca2e0a612633a1.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 1544 wrote to memory of 2420	1544	773c364acd92cd3926ca2e0a612633a1.exe	29
PID 1544 wrote to memory of 2420	1544	773c364acd92cd3926ca2e0a612633a1.exe	29
PID 1544 wrote to memory of 2420	1544	773c364acd92cd3926ca2e0a612633a1.exe	29
PID 1544 wrote to memory of 2420	1544	773c364acd92cd3926ca2e0a612633a1.exe	29
PID 2420 wrote to memory of 1704	2420	cmd.exe	31
PID 2420 wrote to memory of 1704	2420	cmd.exe	31
PID 2420 wrote to memory of 1704	2420	cmd.exe	31
PID 2420 wrote to memory of 1704	2420	cmd.exe	31
PID 2420 wrote to memory of 2992	2420	cmd.exe	30
PID 2420 wrote to memory of 2992	2420	cmd.exe	30
PID 2420 wrote to memory of 2992	2420	cmd.exe	30
PID 2420 wrote to memory of 2992	2420	cmd.exe	30
PID 2420 wrote to memory of 1200	2420	cmd.exe	32
PID 2420 wrote to memory of 1200	2420	cmd.exe	32
PID 2420 wrote to memory of 1200	2420	cmd.exe	32
PID 2420 wrote to memory of 1200	2420	cmd.exe	32
PID 2420 wrote to memory of 2828	2420	cmd.exe	34
PID 2420 wrote to memory of 2828	2420	cmd.exe	34
PID 2420 wrote to memory of 2828	2420	cmd.exe	34
PID 2420 wrote to memory of 2828	2420	cmd.exe	34
PID 2828 wrote to memory of 2844	2828	net.exe	35
PID 2828 wrote to memory of 2844	2828	net.exe	35
PID 2828 wrote to memory of 2844	2828	net.exe	35
PID 2828 wrote to memory of 2844	2828	net.exe	35
PID 2420 wrote to memory of 2740	2420	cmd.exe	36
PID 2420 wrote to memory of 2740	2420	cmd.exe	36
PID 2420 wrote to memory of 2740	2420	cmd.exe	36
PID 2420 wrote to memory of 2740	2420	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\773c364acd92cd3926ca2e0a612633a1.exe
"C:\Users\Admin\AppData\Local\Temp\773c364acd92cd3926ca2e0a612633a1.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1544
- 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:2420
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:2992
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c set
    3⤵
    PID:1704
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:1200
- - C:\Windows\SysWOW64\net.exe
    net start
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2828
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start
      4⤵
      PID:2844
- - C:\Windows\SysWOW64\NETSTAT.EXE
    netstat -an
    3⤵
    - Gathers network information
    - Suspicious use of AdjustPrivilegeToken
    PID:2740

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
00d868f8ba99c107360ebedd3bd76a1f

SHA1
858fb82be0ceb35c3c317731f7288803d2e66277

SHA256
e568ea7b7c67c4e0bd2b154132476359440a00c8103343ca958dc7e9c8573f24

SHA512
1750f3b904f65ea7b0f564fded7e5d0b77b962a827667e1aa3ced02d28a82c7741070fc5554aab94aa5108447689e714fd405c92990df52ef3274b4ffaebe507

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads