16c6228add7777161cc10432c537a442747bc8e72e53828a0fdb0b0ea56c91f7

Analysis

max time kernel
117s
max time network
144s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
11/01/2024, 01:49

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General

Target

5235ccd30e5c986fcac9eff910a9fedb.exe
Size

24KB
MD5

5235ccd30e5c986fcac9eff910a9fedb
SHA1

e1c6c1eb7c79e4bda6aefdb2f69df9993d86dd13
SHA256

16c6228add7777161cc10432c537a442747bc8e72e53828a0fdb0b0ea56c91f7
SHA512

c13c7f6a1be361c59e27c67060e56484078b325d16cef01868c249dbf6612634416f41447a59819d93c9dbc5e54c8f414c738613f0e891262e25a36bcb4d6018
SSDEEP

384:E3eVES+/xwGkRKJolM61qmTTMVF9/q5y0:bGS+ZfbJoO8qYoAT

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"	5235ccd30e5c986fcac9eff910a9fedb.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	5235ccd30e5c986fcac9eff910a9fedb.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
2644	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
2704	ipconfig.exe
1864	NETSTAT.EXE

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2644	tasklist.exe
Token: SeDebugPrivilege	1864	NETSTAT.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2932	5235ccd30e5c986fcac9eff910a9fedb.exe
2932	5235ccd30e5c986fcac9eff910a9fedb.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2932 wrote to memory of 2808	2932	5235ccd30e5c986fcac9eff910a9fedb.exe	29
PID 2932 wrote to memory of 2808	2932	5235ccd30e5c986fcac9eff910a9fedb.exe	29
PID 2932 wrote to memory of 2808	2932	5235ccd30e5c986fcac9eff910a9fedb.exe	29
PID 2932 wrote to memory of 2808	2932	5235ccd30e5c986fcac9eff910a9fedb.exe	29
PID 2808 wrote to memory of 2516	2808	cmd.exe	31
PID 2808 wrote to memory of 2516	2808	cmd.exe	31
PID 2808 wrote to memory of 2516	2808	cmd.exe	31
PID 2808 wrote to memory of 2516	2808	cmd.exe	31
PID 2808 wrote to memory of 2704	2808	cmd.exe	32
PID 2808 wrote to memory of 2704	2808	cmd.exe	32
PID 2808 wrote to memory of 2704	2808	cmd.exe	32
PID 2808 wrote to memory of 2704	2808	cmd.exe	32
PID 2808 wrote to memory of 2644	2808	cmd.exe	33
PID 2808 wrote to memory of 2644	2808	cmd.exe	33
PID 2808 wrote to memory of 2644	2808	cmd.exe	33
PID 2808 wrote to memory of 2644	2808	cmd.exe	33
PID 2808 wrote to memory of 1072	2808	cmd.exe	35
PID 2808 wrote to memory of 1072	2808	cmd.exe	35
PID 2808 wrote to memory of 1072	2808	cmd.exe	35
PID 2808 wrote to memory of 1072	2808	cmd.exe	35
PID 1072 wrote to memory of 1128	1072	net.exe	36
PID 1072 wrote to memory of 1128	1072	net.exe	36
PID 1072 wrote to memory of 1128	1072	net.exe	36
PID 1072 wrote to memory of 1128	1072	net.exe	36
PID 2808 wrote to memory of 1864	2808	cmd.exe	37
PID 2808 wrote to memory of 1864	2808	cmd.exe	37
PID 2808 wrote to memory of 1864	2808	cmd.exe	37
PID 2808 wrote to memory of 1864	2808	cmd.exe	37

C:\Users\Admin\AppData\Local\Temp\5235ccd30e5c986fcac9eff910a9fedb.exe
"C:\Users\Admin\AppData\Local\Temp\5235ccd30e5c986fcac9eff910a9fedb.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2932
- 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:2808
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c set
    3⤵
    PID:2516
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:2704
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:2644
- - C:\Windows\SysWOW64\net.exe
    net start
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1072
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start
      4⤵
      PID:1128
- - C:\Windows\SysWOW64\NETSTAT.EXE
    netstat -an
    3⤵
    - Gathers network information
    - Suspicious use of AdjustPrivilegeToken
    PID:1864

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
fd3a0b58c55b8a1112f8ba13439638b4

SHA1
fff69fd70387842974030b33beec197558faf7bf

SHA256
6533e5adccde2ff60af93c968996a37326f7c1f5cc60f00488c062a212eceb1e

SHA512
eaaa20b640d6c711e87a0df1ff55cf2cf4cf9e0218afb0dff90927f3bcbe64c4d85f825dff484ed8a47ef346fea5c3b35a8218fe146f41d24df92ad2c9320b22

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads