abcc08aa660f2667d68ff1a038d00f23e810669b807f9dcf368bd7e031b488f6

Analysis

max time kernel
145s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
25/01/2024, 22:26

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General

Target

75aa4c6abb4836efdfbcb31f96a2b2c6.exe
Size

24KB
MD5

75aa4c6abb4836efdfbcb31f96a2b2c6
SHA1

a39a0c9b54be7d228d8055d5d75400192a7f5ef3
SHA256

abcc08aa660f2667d68ff1a038d00f23e810669b807f9dcf368bd7e031b488f6
SHA512

677af12f0cce1a37b935df3124dbb9f32b5903cd49ddc65ef70cebd079aa752729f3577d30ab915101f7a9e1b9194bd0d932ecd164bda426d592e8c274133af3
SSDEEP

384:E3eVES+/xwGkRKJilM61qmTTMVF9/q5g0:bGS+ZfbJiO8qYoAZ

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"	75aa4c6abb4836efdfbcb31f96a2b2c6.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	75aa4c6abb4836efdfbcb31f96a2b2c6.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
1840	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
5064	ipconfig.exe
692	NETSTAT.EXE

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1840	tasklist.exe
Token: SeDebugPrivilege	692	NETSTAT.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4616	75aa4c6abb4836efdfbcb31f96a2b2c6.exe
4616	75aa4c6abb4836efdfbcb31f96a2b2c6.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 4616 wrote to memory of 4992	4616	75aa4c6abb4836efdfbcb31f96a2b2c6.exe	84
PID 4616 wrote to memory of 4992	4616	75aa4c6abb4836efdfbcb31f96a2b2c6.exe	84
PID 4616 wrote to memory of 4992	4616	75aa4c6abb4836efdfbcb31f96a2b2c6.exe	84
PID 4992 wrote to memory of 3732	4992	cmd.exe	86
PID 4992 wrote to memory of 3732	4992	cmd.exe	86
PID 4992 wrote to memory of 3732	4992	cmd.exe	86
PID 4992 wrote to memory of 5064	4992	cmd.exe	87
PID 4992 wrote to memory of 5064	4992	cmd.exe	87
PID 4992 wrote to memory of 5064	4992	cmd.exe	87
PID 4992 wrote to memory of 1840	4992	cmd.exe	88
PID 4992 wrote to memory of 1840	4992	cmd.exe	88
PID 4992 wrote to memory of 1840	4992	cmd.exe	88
PID 4992 wrote to memory of 2768	4992	cmd.exe	92
PID 4992 wrote to memory of 2768	4992	cmd.exe	92
PID 4992 wrote to memory of 2768	4992	cmd.exe	92
PID 2768 wrote to memory of 208	2768	net.exe	93
PID 2768 wrote to memory of 208	2768	net.exe	93
PID 2768 wrote to memory of 208	2768	net.exe	93
PID 4992 wrote to memory of 692	4992	cmd.exe	94
PID 4992 wrote to memory of 692	4992	cmd.exe	94
PID 4992 wrote to memory of 692	4992	cmd.exe	94

C:\Users\Admin\AppData\Local\Temp\75aa4c6abb4836efdfbcb31f96a2b2c6.exe
"C:\Users\Admin\AppData\Local\Temp\75aa4c6abb4836efdfbcb31f96a2b2c6.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4616
- 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:4992
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c set
    3⤵
    PID:3732
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:5064
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:1840
- - C:\Windows\SysWOW64\net.exe
    net start
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2768
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start
      4⤵
      PID:208
- - C:\Windows\SysWOW64\NETSTAT.EXE
    netstat -an
    3⤵
    - Gathers network information
    - Suspicious use of AdjustPrivilegeToken
    PID:692

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
d3462adda4b24b1eed00aa1c1c64f694

SHA1
3919ef72c4d32cbe4dd593774331a6292a404a5c

SHA256
7db748e4edd014f84af9dcf9dab6bd43322284ea66ae56db1f1484ccd59f99c3

SHA512
433597e395d7b721db2cbf2e7c7957f720cb15ca652b5e5412a885b8a70fe60031b4a8493ed6d44c31558c27471ba130ad9e9889e5cf2ead7da930ceadca55e9

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads