ba692808b880bbe042bfdc0765eed3f9012c2cf6388996d2c25c6f056958fde7

Analysis

max time kernel
144s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/12/2023, 13:08

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General

Target

2dc00657c6dbda18e367761ffbba1a54.exe
Size

24KB
MD5

2dc00657c6dbda18e367761ffbba1a54
SHA1

bcd1c6290ca4f41c104573bbd2a9729ac16dc292
SHA256

ba692808b880bbe042bfdc0765eed3f9012c2cf6388996d2c25c6f056958fde7
SHA512

a54ff71c8fb5339c384a7f67310e718e5546b425f52c6b45a1af613128befdc346ee9782c8f8793b242ef0717ee5167d01472c1473876e8afd2f357c1065cae6
SSDEEP

384:E3eVES+/xwGkRKJMXQlM61qmTTMVF9/q5q0:bGS+ZfbJMgO8qYoAb

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"	2dc00657c6dbda18e367761ffbba1a54.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	2dc00657c6dbda18e367761ffbba1a54.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
440	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
2324	ipconfig.exe
1112	NETSTAT.EXE

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	440	tasklist.exe
Token: SeDebugPrivilege	1112	NETSTAT.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
5088	2dc00657c6dbda18e367761ffbba1a54.exe
5088	2dc00657c6dbda18e367761ffbba1a54.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 5088 wrote to memory of 2540	5088	2dc00657c6dbda18e367761ffbba1a54.exe	88
PID 5088 wrote to memory of 2540	5088	2dc00657c6dbda18e367761ffbba1a54.exe	88
PID 5088 wrote to memory of 2540	5088	2dc00657c6dbda18e367761ffbba1a54.exe	88
PID 2540 wrote to memory of 2036	2540	cmd.exe	90
PID 2540 wrote to memory of 2036	2540	cmd.exe	90
PID 2540 wrote to memory of 2036	2540	cmd.exe	90
PID 2540 wrote to memory of 2324	2540	cmd.exe	91
PID 2540 wrote to memory of 2324	2540	cmd.exe	91
PID 2540 wrote to memory of 2324	2540	cmd.exe	91
PID 2540 wrote to memory of 440	2540	cmd.exe	92
PID 2540 wrote to memory of 440	2540	cmd.exe	92
PID 2540 wrote to memory of 440	2540	cmd.exe	92
PID 2540 wrote to memory of 2568	2540	cmd.exe	95
PID 2540 wrote to memory of 2568	2540	cmd.exe	95
PID 2540 wrote to memory of 2568	2540	cmd.exe	95
PID 2568 wrote to memory of 4388	2568	net.exe	96
PID 2568 wrote to memory of 4388	2568	net.exe	96
PID 2568 wrote to memory of 4388	2568	net.exe	96
PID 2540 wrote to memory of 1112	2540	cmd.exe	97
PID 2540 wrote to memory of 1112	2540	cmd.exe	97
PID 2540 wrote to memory of 1112	2540	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\2dc00657c6dbda18e367761ffbba1a54.exe
"C:\Users\Admin\AppData\Local\Temp\2dc00657c6dbda18e367761ffbba1a54.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5088
- 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:2540
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c set
    3⤵
    PID:2036
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:2324
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:440
- - C:\Windows\SysWOW64\net.exe
    net start
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2568
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start
      4⤵
      PID:4388
- - C:\Windows\SysWOW64\NETSTAT.EXE
    netstat -an
    3⤵
    - Gathers network information
    - Suspicious use of AdjustPrivilegeToken
    PID:1112

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
dcb639c6dafa231e8bf174c2a01c8347

SHA1
b9c0b331e2ef0d2dcd62b9655128c5db49e4cdce

SHA256
70584e3a2d6b642ee9b9ac54ba08ff182ff52f182d12dbd3cda14ec9397df0f0

SHA512
e26c2293dace94009b8e7b088746fef2ee416d4a3829676e35357d3b84c86d30087a8f8e6542cf7cd6c433644d8451dc14ebd02c2a3b36a35ae084798f74c8af

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads