09fa7623a796267286f09a21aa203d494ee06f207771979b59ac95d95fd7c5ac

Analysis

max time kernel
120s
max time network
145s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
26/12/2023, 01:08

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General

Target

47fa337fba652cc3a86122f5aa995dea.exe
Size

24KB
MD5

47fa337fba652cc3a86122f5aa995dea
SHA1

3fe0ed520c2acd933f3a18a7b79e905b882df329
SHA256

09fa7623a796267286f09a21aa203d494ee06f207771979b59ac95d95fd7c5ac
SHA512

ad17c42a0455311a3570e390ff4088fb38480710634991bcae469d5252e9c14da703922a3ca41818c96b881b9bc0c7d53b4447adcd45badc1e4fa3c8cb1ca343
SSDEEP

384:E3eVES+/xwGkRKJGvkCKlM61qmTTMVF9/q5x0:bGS+ZfbJGvaO8qYoAu

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"	47fa337fba652cc3a86122f5aa995dea.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	47fa337fba652cc3a86122f5aa995dea.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
300	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
2592	ipconfig.exe
552	NETSTAT.EXE

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	300	tasklist.exe
Token: SeDebugPrivilege	552	NETSTAT.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2600	47fa337fba652cc3a86122f5aa995dea.exe
2600	47fa337fba652cc3a86122f5aa995dea.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2600 wrote to memory of 2740	2600	47fa337fba652cc3a86122f5aa995dea.exe	29
PID 2600 wrote to memory of 2740	2600	47fa337fba652cc3a86122f5aa995dea.exe	29
PID 2600 wrote to memory of 2740	2600	47fa337fba652cc3a86122f5aa995dea.exe	29
PID 2600 wrote to memory of 2740	2600	47fa337fba652cc3a86122f5aa995dea.exe	29
PID 2740 wrote to memory of 2576	2740	cmd.exe	31
PID 2740 wrote to memory of 2576	2740	cmd.exe	31
PID 2740 wrote to memory of 2576	2740	cmd.exe	31
PID 2740 wrote to memory of 2576	2740	cmd.exe	31
PID 2740 wrote to memory of 2592	2740	cmd.exe	32
PID 2740 wrote to memory of 2592	2740	cmd.exe	32
PID 2740 wrote to memory of 2592	2740	cmd.exe	32
PID 2740 wrote to memory of 2592	2740	cmd.exe	32
PID 2740 wrote to memory of 300	2740	cmd.exe	33
PID 2740 wrote to memory of 300	2740	cmd.exe	33
PID 2740 wrote to memory of 300	2740	cmd.exe	33
PID 2740 wrote to memory of 300	2740	cmd.exe	33
PID 2740 wrote to memory of 524	2740	cmd.exe	35
PID 2740 wrote to memory of 524	2740	cmd.exe	35
PID 2740 wrote to memory of 524	2740	cmd.exe	35
PID 2740 wrote to memory of 524	2740	cmd.exe	35
PID 524 wrote to memory of 660	524	net.exe	36
PID 524 wrote to memory of 660	524	net.exe	36
PID 524 wrote to memory of 660	524	net.exe	36
PID 524 wrote to memory of 660	524	net.exe	36
PID 2740 wrote to memory of 552	2740	cmd.exe	37
PID 2740 wrote to memory of 552	2740	cmd.exe	37
PID 2740 wrote to memory of 552	2740	cmd.exe	37
PID 2740 wrote to memory of 552	2740	cmd.exe	37

C:\Users\Admin\AppData\Local\Temp\47fa337fba652cc3a86122f5aa995dea.exe
"C:\Users\Admin\AppData\Local\Temp\47fa337fba652cc3a86122f5aa995dea.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2600
- 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:2740
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c set
    3⤵
    PID:2576
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:2592
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:300
- - C:\Windows\SysWOW64\net.exe
    net start
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:524
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start
      4⤵
      PID:660
- - C:\Windows\SysWOW64\NETSTAT.EXE
    netstat -an
    3⤵
    - Gathers network information
    - Suspicious use of AdjustPrivilegeToken
    PID:552

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
38a218f822d29b51e81f41c2f5bbbf87

SHA1
33796ef8769c9390f5fdc32cf9487c072bd89754

SHA256
98fbf42ff196116fc7591209ae7cca478546d0d34805fbd2a451e0ef19b1ddea

SHA512
5022c4e7209406b3c934a0fc3a799b74fd88a78767486647c3f96a74007c75d35eeb8bf7be20373a7f1032185c807ca9c0e1905c796917a6ed43db816e977e8e

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads