9955f506d091f8144af1e267783a947573a045b08a5075235345668452496d54

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
12/01/2024, 01:27

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General

Target

551cc57091490ad7066c7715053e9045.exe
Size

24KB
MD5

551cc57091490ad7066c7715053e9045
SHA1

e9bed694e61c89cf18d11449a1254cead8b4687b
SHA256

9955f506d091f8144af1e267783a947573a045b08a5075235345668452496d54
SHA512

7aa952faa5698a45a15c7d0de6062ae5485c7dd644073b5c4fafac5057b416bc7967a25cb64726c3f7777592ed915cabd49f8a92ff6a38e1e55fdc6e9b447180
SSDEEP

384:E3eVES+/xwGkRKJolM61qmTTMVF9/q5w0:bGS+ZfbJoO8qYoAJ

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"	551cc57091490ad7066c7715053e9045.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	551cc57091490ad7066c7715053e9045.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
1976	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
2276	ipconfig.exe
2716	NETSTAT.EXE

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1976	tasklist.exe
Token: SeDebugPrivilege	2716	NETSTAT.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2348	551cc57091490ad7066c7715053e9045.exe
2348	551cc57091490ad7066c7715053e9045.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2348 wrote to memory of 860	2348	551cc57091490ad7066c7715053e9045.exe	28
PID 2348 wrote to memory of 860	2348	551cc57091490ad7066c7715053e9045.exe	28
PID 2348 wrote to memory of 860	2348	551cc57091490ad7066c7715053e9045.exe	28
PID 2348 wrote to memory of 860	2348	551cc57091490ad7066c7715053e9045.exe	28
PID 860 wrote to memory of 2668	860	cmd.exe	30
PID 860 wrote to memory of 2668	860	cmd.exe	30
PID 860 wrote to memory of 2668	860	cmd.exe	30
PID 860 wrote to memory of 2668	860	cmd.exe	30
PID 860 wrote to memory of 2276	860	cmd.exe	31
PID 860 wrote to memory of 2276	860	cmd.exe	31
PID 860 wrote to memory of 2276	860	cmd.exe	31
PID 860 wrote to memory of 2276	860	cmd.exe	31
PID 860 wrote to memory of 1976	860	cmd.exe	32
PID 860 wrote to memory of 1976	860	cmd.exe	32
PID 860 wrote to memory of 1976	860	cmd.exe	32
PID 860 wrote to memory of 1976	860	cmd.exe	32
PID 860 wrote to memory of 2620	860	cmd.exe	34
PID 860 wrote to memory of 2620	860	cmd.exe	34
PID 860 wrote to memory of 2620	860	cmd.exe	34
PID 860 wrote to memory of 2620	860	cmd.exe	34
PID 2620 wrote to memory of 2608	2620	net.exe	35
PID 2620 wrote to memory of 2608	2620	net.exe	35
PID 2620 wrote to memory of 2608	2620	net.exe	35
PID 2620 wrote to memory of 2608	2620	net.exe	35
PID 860 wrote to memory of 2716	860	cmd.exe	36
PID 860 wrote to memory of 2716	860	cmd.exe	36
PID 860 wrote to memory of 2716	860	cmd.exe	36
PID 860 wrote to memory of 2716	860	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\551cc57091490ad7066c7715053e9045.exe
"C:\Users\Admin\AppData\Local\Temp\551cc57091490ad7066c7715053e9045.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2348
- 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:860
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c set
    3⤵
    PID:2668
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:2276
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:1976
- - C:\Windows\SysWOW64\net.exe
    net start
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2620
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start
      4⤵
      PID:2608
- - C:\Windows\SysWOW64\NETSTAT.EXE
    netstat -an
    3⤵
    - Gathers network information
    - Suspicious use of AdjustPrivilegeToken
    PID:2716

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
8e8ef72a89e48217cdccca6d5fcf4e06

SHA1
307a84ffd5b3a8578de2366b8e80de6181bce8c8

SHA256
78bfbdc0bf72e7b5f92128794e3b537343f52b0f2c1e9a718bf37501fc70a125

SHA512
387f9188c3205e30d021cf4ffdfc675440c2963a06007c385d2d92d59cb71eea76cb6f7c2cc8a90009ef21f0109018b379ac9206015104c10672c9c64d5dedaa

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads