4cc9bd6709c5e757b5116e4affbacb23ebe2ed2c9f466dbd719b7491cb6fe02c

Analysis

max time kernel
148s
max time network
111s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
01/01/2024, 05:47

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General

Target

3c0bc566a688593700ec612725df39f3.exe
Size

24KB
MD5

3c0bc566a688593700ec612725df39f3
SHA1

cb4b3aa6c0e2915fbe2d3ee51d664bc96369056f
SHA256

4cc9bd6709c5e757b5116e4affbacb23ebe2ed2c9f466dbd719b7491cb6fe02c
SHA512

38d83680686afd2bef57ca362cba129e87a4938b5a0bfef54e240813606a9d2501075840af5b3e9b037f924d3c290de8c4b8d6207663b08b3f84c49c44b88f67
SSDEEP

384:E3eVES+/xwGkRKJGlM61qmTTMVF9/q5l0:bGS+ZfbJGO8qYoAq

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"	3c0bc566a688593700ec612725df39f3.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	3c0bc566a688593700ec612725df39f3.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
672	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
4080	ipconfig.exe
648	NETSTAT.EXE

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	672	tasklist.exe
Token: SeDebugPrivilege	648	NETSTAT.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
380	3c0bc566a688593700ec612725df39f3.exe
380	3c0bc566a688593700ec612725df39f3.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 380 wrote to memory of 3384	380	3c0bc566a688593700ec612725df39f3.exe	88
PID 380 wrote to memory of 3384	380	3c0bc566a688593700ec612725df39f3.exe	88
PID 380 wrote to memory of 3384	380	3c0bc566a688593700ec612725df39f3.exe	88
PID 3384 wrote to memory of 880	3384	cmd.exe	90
PID 3384 wrote to memory of 880	3384	cmd.exe	90
PID 3384 wrote to memory of 880	3384	cmd.exe	90
PID 3384 wrote to memory of 4080	3384	cmd.exe	92
PID 3384 wrote to memory of 4080	3384	cmd.exe	92
PID 3384 wrote to memory of 4080	3384	cmd.exe	92
PID 3384 wrote to memory of 672	3384	cmd.exe	93
PID 3384 wrote to memory of 672	3384	cmd.exe	93
PID 3384 wrote to memory of 672	3384	cmd.exe	93
PID 3384 wrote to memory of 3288	3384	cmd.exe	96
PID 3384 wrote to memory of 3288	3384	cmd.exe	96
PID 3384 wrote to memory of 3288	3384	cmd.exe	96
PID 3288 wrote to memory of 5032	3288	net.exe	97
PID 3288 wrote to memory of 5032	3288	net.exe	97
PID 3288 wrote to memory of 5032	3288	net.exe	97
PID 3384 wrote to memory of 648	3384	cmd.exe	98
PID 3384 wrote to memory of 648	3384	cmd.exe	98
PID 3384 wrote to memory of 648	3384	cmd.exe	98

C:\Users\Admin\AppData\Local\Temp\3c0bc566a688593700ec612725df39f3.exe
"C:\Users\Admin\AppData\Local\Temp\3c0bc566a688593700ec612725df39f3.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:380
- 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:3384
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c set
    3⤵
    PID:880
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:4080
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:672
- - C:\Windows\SysWOW64\net.exe
    net start
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3288
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start
      4⤵
      PID:5032
- - C:\Windows\SysWOW64\NETSTAT.EXE
    netstat -an
    3⤵
    - Gathers network information
    - Suspicious use of AdjustPrivilegeToken
    PID:648

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
14KB

MD5
33eb86fdf3b4a5c3074543198f7a3f62

SHA1
c54d178ed403d728d6d789d36911eef35e7efba8

SHA256
c8317c94e4ee0063b35550ce463436fd15cc66100f541626dfbcb488d6d4df5e

SHA512
7c176d1157b16da79d4cb76dd02dd2b682a6fe9a3a619a10427112fd66af825017de818503a7e1d41196e87716bf9704b2828eef7168d40c9c92b7e97788d0ee

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads