085ee04d55114093b3863250d5db32324eeb81a4372eafb30235859e067bb318

Analysis

max time kernel
120s
max time network
125s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
29-12-2023 21:14

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General

Target

042e76359837445a62be454bf6c645fb.exe
Size

24KB
MD5

042e76359837445a62be454bf6c645fb
SHA1

cbcb1f2204c493f3754497f9370a85b95e679890
SHA256

085ee04d55114093b3863250d5db32324eeb81a4372eafb30235859e067bb318
SHA512

8e2c8045abd4cf84bd93589388f3847763eb8ac8fd6c38093e533dd6095d1c7cd963e77b29f68e046f4e22fdc507aa125d18c9a77c4692d6a6f614d59da1af76
SSDEEP

384:E3eVES+/xwGkRKJ0dKSlM61qmTTMVF9/q5j0:bGS+ZfbJmKSO8qYoAI

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"	042e76359837445a62be454bf6c645fb.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	042e76359837445a62be454bf6c645fb.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
2844	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
1936	ipconfig.exe
2588	NETSTAT.EXE

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2844	tasklist.exe
Token: SeDebugPrivilege	2588	NETSTAT.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2400	042e76359837445a62be454bf6c645fb.exe
2400	042e76359837445a62be454bf6c645fb.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2400 wrote to memory of 2748	2400	042e76359837445a62be454bf6c645fb.exe	28
PID 2400 wrote to memory of 2748	2400	042e76359837445a62be454bf6c645fb.exe	28
PID 2400 wrote to memory of 2748	2400	042e76359837445a62be454bf6c645fb.exe	28
PID 2400 wrote to memory of 2748	2400	042e76359837445a62be454bf6c645fb.exe	28
PID 2748 wrote to memory of 2128	2748	cmd.exe	30
PID 2748 wrote to memory of 2128	2748	cmd.exe	30
PID 2748 wrote to memory of 2128	2748	cmd.exe	30
PID 2748 wrote to memory of 2128	2748	cmd.exe	30
PID 2748 wrote to memory of 1936	2748	cmd.exe	31
PID 2748 wrote to memory of 1936	2748	cmd.exe	31
PID 2748 wrote to memory of 1936	2748	cmd.exe	31
PID 2748 wrote to memory of 1936	2748	cmd.exe	31
PID 2748 wrote to memory of 2844	2748	cmd.exe	32
PID 2748 wrote to memory of 2844	2748	cmd.exe	32
PID 2748 wrote to memory of 2844	2748	cmd.exe	32
PID 2748 wrote to memory of 2844	2748	cmd.exe	32
PID 2748 wrote to memory of 2596	2748	cmd.exe	34
PID 2748 wrote to memory of 2596	2748	cmd.exe	34
PID 2748 wrote to memory of 2596	2748	cmd.exe	34
PID 2748 wrote to memory of 2596	2748	cmd.exe	34
PID 2596 wrote to memory of 2900	2596	net.exe	35
PID 2596 wrote to memory of 2900	2596	net.exe	35
PID 2596 wrote to memory of 2900	2596	net.exe	35
PID 2596 wrote to memory of 2900	2596	net.exe	35
PID 2748 wrote to memory of 2588	2748	cmd.exe	36
PID 2748 wrote to memory of 2588	2748	cmd.exe	36
PID 2748 wrote to memory of 2588	2748	cmd.exe	36
PID 2748 wrote to memory of 2588	2748	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\042e76359837445a62be454bf6c645fb.exe
"C:\Users\Admin\AppData\Local\Temp\042e76359837445a62be454bf6c645fb.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2400
- 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:2748
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c set
    3⤵
    PID:2128
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:1936
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:2844
- - C:\Windows\SysWOW64\net.exe
    net start
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2596
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start
      4⤵
      PID:2900
- - C:\Windows\SysWOW64\NETSTAT.EXE
    netstat -an
    3⤵
    - Gathers network information
    - Suspicious use of AdjustPrivilegeToken
    PID:2588

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
3e1f1517567e60537224b9578f87bfbf

SHA1
ce2d5cd8ece39949d30240e2ff1db76b05a90c5f

SHA256
2a942f07f35d36eda882a9f403b84ba78ec6b6306995b4e2828ff0e4fed8b9e8

SHA512
5bb4b8e2b18dbcded419f1ef600c79fa0580bbb9205f921cb3a44b3ee74c53c0b76fd6595604daf775660a2f1d9854fbe673ed6cb24fb4c70191276b93c75324

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads