2cc1cab204525ebbc8fc9f26090aae680e914b3904e18c51237918726c9b63eb

Analysis

max time kernel
147s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
07/03/2024, 19:51

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General

Target

b9820bc23e280e0e7540533cba880fde.exe
Size

24KB
MD5

b9820bc23e280e0e7540533cba880fde
SHA1

236800da956ff2038ec04e9c4a8f5d0012b94810
SHA256

2cc1cab204525ebbc8fc9f26090aae680e914b3904e18c51237918726c9b63eb
SHA512

8a90d1d2e33502d73df283c761659093b50921a71fe65f4e4b835cd36c3f4af411976c0236e3e39a46976e2a057460cab2591b84a766ee05e08d8b452fb21578
SSDEEP

384:E3eVES+/xwGkRKJuxxlM61qmTTMVF9/q5O0:bGS+ZfbJuxxO8qYoAn

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"	b9820bc23e280e0e7540533cba880fde.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	b9820bc23e280e0e7540533cba880fde.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
2536	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
2160	ipconfig.exe
4816	NETSTAT.EXE

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2536	tasklist.exe
Token: SeDebugPrivilege	4816	NETSTAT.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1472	b9820bc23e280e0e7540533cba880fde.exe
1472	b9820bc23e280e0e7540533cba880fde.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1472 wrote to memory of 4184	1472	b9820bc23e280e0e7540533cba880fde.exe	88
PID 1472 wrote to memory of 4184	1472	b9820bc23e280e0e7540533cba880fde.exe	88
PID 1472 wrote to memory of 4184	1472	b9820bc23e280e0e7540533cba880fde.exe	88
PID 4184 wrote to memory of 4404	4184	cmd.exe	90
PID 4184 wrote to memory of 4404	4184	cmd.exe	90
PID 4184 wrote to memory of 4404	4184	cmd.exe	90
PID 4184 wrote to memory of 2160	4184	cmd.exe	91
PID 4184 wrote to memory of 2160	4184	cmd.exe	91
PID 4184 wrote to memory of 2160	4184	cmd.exe	91
PID 4184 wrote to memory of 2536	4184	cmd.exe	92
PID 4184 wrote to memory of 2536	4184	cmd.exe	92
PID 4184 wrote to memory of 2536	4184	cmd.exe	92
PID 4184 wrote to memory of 2164	4184	cmd.exe	96
PID 4184 wrote to memory of 2164	4184	cmd.exe	96
PID 4184 wrote to memory of 2164	4184	cmd.exe	96
PID 2164 wrote to memory of 2236	2164	net.exe	97
PID 2164 wrote to memory of 2236	2164	net.exe	97
PID 2164 wrote to memory of 2236	2164	net.exe	97
PID 4184 wrote to memory of 4816	4184	cmd.exe	99
PID 4184 wrote to memory of 4816	4184	cmd.exe	99
PID 4184 wrote to memory of 4816	4184	cmd.exe	99

C:\Users\Admin\AppData\Local\Temp\b9820bc23e280e0e7540533cba880fde.exe
"C:\Users\Admin\AppData\Local\Temp\b9820bc23e280e0e7540533cba880fde.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1472
- 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:4184
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c set
    3⤵
    PID:4404
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:2160
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:2536
- - C:\Windows\SysWOW64\net.exe
    net start
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2164
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start
      4⤵
      PID:2236
- - C:\Windows\SysWOW64\NETSTAT.EXE
    netstat -an
    3⤵
    - Gathers network information
    - Suspicious use of AdjustPrivilegeToken
    PID:4816

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
15KB

MD5
d1ab96fcd7151d52923de9fb68f8adb1

SHA1
a0e3a29a9088d8171716fdac0c4c8f5531217615

SHA256
175ce747f07f204078cd7a874a433b182f94c52c3079f2302c2c4032c566557a

SHA512
7016f93d675f2d0e39737b832d9cb2f6b5cd3429c32acbe50f0a2a5665b2310eb7acd482259e88b8f6b4ad5c81fde3cf55e9a28d22bc69df4e3f9681416a44a3

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads