3526c8e772df5af10fd7ac5a467b1cfea71351949a3d082c94d02c11c8051675

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
04-02-2024 16:43

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General

Target

8fa6705cafa0b85c86a0c262ad2710c7.exe
Size

24KB
MD5

8fa6705cafa0b85c86a0c262ad2710c7
SHA1

db82ee15066dfdbe3f24c5afe3536cf3cdc216fb
SHA256

3526c8e772df5af10fd7ac5a467b1cfea71351949a3d082c94d02c11c8051675
SHA512

cba56394d1e525717f2183f8c4ddc630d552e409f9e60973717d9c5e0f4b760c64ab5646bb1f99cf5fcd50cfa96ad86116c30c3be01efc87d4175f815cc34f9b
SSDEEP

384:E3eVES+/xwGkRKJilM61qmTTMVF9/q5e0:bGS+ZfbJiO8qYoAX

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"	8fa6705cafa0b85c86a0c262ad2710c7.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	8fa6705cafa0b85c86a0c262ad2710c7.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
2108	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
3044	ipconfig.exe
2852	NETSTAT.EXE

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2108	tasklist.exe
Token: SeDebugPrivilege	2852	NETSTAT.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3020	8fa6705cafa0b85c86a0c262ad2710c7.exe
3020	8fa6705cafa0b85c86a0c262ad2710c7.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 3020 wrote to memory of 2064	3020	8fa6705cafa0b85c86a0c262ad2710c7.exe	28
PID 3020 wrote to memory of 2064	3020	8fa6705cafa0b85c86a0c262ad2710c7.exe	28
PID 3020 wrote to memory of 2064	3020	8fa6705cafa0b85c86a0c262ad2710c7.exe	28
PID 3020 wrote to memory of 2064	3020	8fa6705cafa0b85c86a0c262ad2710c7.exe	28
PID 2064 wrote to memory of 3048	2064	cmd.exe	30
PID 2064 wrote to memory of 3048	2064	cmd.exe	30
PID 2064 wrote to memory of 3048	2064	cmd.exe	30
PID 2064 wrote to memory of 3048	2064	cmd.exe	30
PID 2064 wrote to memory of 3044	2064	cmd.exe	31
PID 2064 wrote to memory of 3044	2064	cmd.exe	31
PID 2064 wrote to memory of 3044	2064	cmd.exe	31
PID 2064 wrote to memory of 3044	2064	cmd.exe	31
PID 2064 wrote to memory of 2108	2064	cmd.exe	32
PID 2064 wrote to memory of 2108	2064	cmd.exe	32
PID 2064 wrote to memory of 2108	2064	cmd.exe	32
PID 2064 wrote to memory of 2108	2064	cmd.exe	32
PID 2064 wrote to memory of 2452	2064	cmd.exe	34
PID 2064 wrote to memory of 2452	2064	cmd.exe	34
PID 2064 wrote to memory of 2452	2064	cmd.exe	34
PID 2064 wrote to memory of 2452	2064	cmd.exe	34
PID 2452 wrote to memory of 2892	2452	net.exe	35
PID 2452 wrote to memory of 2892	2452	net.exe	35
PID 2452 wrote to memory of 2892	2452	net.exe	35
PID 2452 wrote to memory of 2892	2452	net.exe	35
PID 2064 wrote to memory of 2852	2064	cmd.exe	36
PID 2064 wrote to memory of 2852	2064	cmd.exe	36
PID 2064 wrote to memory of 2852	2064	cmd.exe	36
PID 2064 wrote to memory of 2852	2064	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\8fa6705cafa0b85c86a0c262ad2710c7.exe
"C:\Users\Admin\AppData\Local\Temp\8fa6705cafa0b85c86a0c262ad2710c7.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3020
- 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:2064
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c set
    3⤵
    PID:3048
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:3044
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:2108
- - C:\Windows\SysWOW64\net.exe
    net start
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2452
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start
      4⤵
      PID:2892
- - C:\Windows\SysWOW64\NETSTAT.EXE
    netstat -an
    3⤵
    - Gathers network information
    - Suspicious use of AdjustPrivilegeToken
    PID:2852

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
56887bd0424c14280391d9106425852f

SHA1
094044e8efe1444ce97a345e48283a798a6a1f10

SHA256
6abb8fe33296a828a4385b373fff6c56ed7aeb87034ad3406a705d4e0f63cebe

SHA512
9dc0efa4ced0521dd8cdd6f2d2f4ecbfd20bd3f317d6b4306ebfc238902023a3efbba10b60f99983874c8ebfccf9ea04a58532233c50765fafd51885bcfb02da

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads