6dc7e4d80501dd49c151e22cdb697e597ac9d2e8f2ee71e083bb5c5e5b7e60c4

Analysis

max time kernel
120s
max time network
124s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
25-02-2024 14:54

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General

Target

a411fc6843115ea92a124822e65dadfd.exe
Size

24KB
MD5

a411fc6843115ea92a124822e65dadfd
SHA1

cd861b6d288346fa8e93ef5f4da9a655f4fc27d2
SHA256

6dc7e4d80501dd49c151e22cdb697e597ac9d2e8f2ee71e083bb5c5e5b7e60c4
SHA512

2dc5432eb05963e806ac655077381f6486ae50b174a82a5c87bcb75c443de8bdde8b7f121e594c6d61d3eb524b46fa47569b0b13758dcd9f7254017d2e28dd76
SSDEEP

384:E3eVES+/xwGkRKJq06VlM61qmTTMVF9/q5j0:bGS+ZfbJq06VO8qYoAI

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"	a411fc6843115ea92a124822e65dadfd.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	a411fc6843115ea92a124822e65dadfd.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
2612	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
2628	NETSTAT.EXE
2980	ipconfig.exe

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2612	tasklist.exe
Token: SeDebugPrivilege	2628	NETSTAT.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2284	a411fc6843115ea92a124822e65dadfd.exe
2284	a411fc6843115ea92a124822e65dadfd.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2284 wrote to memory of 2972	2284	a411fc6843115ea92a124822e65dadfd.exe	28
PID 2284 wrote to memory of 2972	2284	a411fc6843115ea92a124822e65dadfd.exe	28
PID 2284 wrote to memory of 2972	2284	a411fc6843115ea92a124822e65dadfd.exe	28
PID 2284 wrote to memory of 2972	2284	a411fc6843115ea92a124822e65dadfd.exe	28
PID 2972 wrote to memory of 3048	2972	cmd.exe	30
PID 2972 wrote to memory of 3048	2972	cmd.exe	30
PID 2972 wrote to memory of 3048	2972	cmd.exe	30
PID 2972 wrote to memory of 3048	2972	cmd.exe	30
PID 2972 wrote to memory of 2980	2972	cmd.exe	31
PID 2972 wrote to memory of 2980	2972	cmd.exe	31
PID 2972 wrote to memory of 2980	2972	cmd.exe	31
PID 2972 wrote to memory of 2980	2972	cmd.exe	31
PID 2972 wrote to memory of 2612	2972	cmd.exe	32
PID 2972 wrote to memory of 2612	2972	cmd.exe	32
PID 2972 wrote to memory of 2612	2972	cmd.exe	32
PID 2972 wrote to memory of 2612	2972	cmd.exe	32
PID 2972 wrote to memory of 2520	2972	cmd.exe	34
PID 2972 wrote to memory of 2520	2972	cmd.exe	34
PID 2972 wrote to memory of 2520	2972	cmd.exe	34
PID 2972 wrote to memory of 2520	2972	cmd.exe	34
PID 2520 wrote to memory of 2696	2520	net.exe	35
PID 2520 wrote to memory of 2696	2520	net.exe	35
PID 2520 wrote to memory of 2696	2520	net.exe	35
PID 2520 wrote to memory of 2696	2520	net.exe	35
PID 2972 wrote to memory of 2628	2972	cmd.exe	36
PID 2972 wrote to memory of 2628	2972	cmd.exe	36
PID 2972 wrote to memory of 2628	2972	cmd.exe	36
PID 2972 wrote to memory of 2628	2972	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\a411fc6843115ea92a124822e65dadfd.exe
"C:\Users\Admin\AppData\Local\Temp\a411fc6843115ea92a124822e65dadfd.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2284
- 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:2972
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c set
    3⤵
    PID:3048
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:2980
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:2612
- - C:\Windows\SysWOW64\net.exe
    net start
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2520
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start
      4⤵
      PID:2696
- - C:\Windows\SysWOW64\NETSTAT.EXE
    netstat -an
    3⤵
    - Gathers network information
    - Suspicious use of AdjustPrivilegeToken
    PID:2628

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
bb5f7d16c21732a136d9fd74582b79ef

SHA1
3c94f0e985fe4393d13f71a3652c5e469304dda1

SHA256
0777dfa6784377ebca130a657f375ac57a4e12a441eb94cd4a49a95ee122f6a2

SHA512
3771118c764254475776eae5bd6dfe22e2f5f901e1929f96ecdf00dc68ec45d59095c1d92a4ec7b1f6f45c5c2577bf7cedf6b836a88fcd0c848dbb220e785deb

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads