be3347386abed3b29361e677e859d99976d71195b9ef1eb81336a5f1e8d2d1c5

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
13/02/2024, 00:05

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General

Target

97f74ab89f1e12ea31235bc5b5487fd2.exe
Size

24KB
MD5

97f74ab89f1e12ea31235bc5b5487fd2
SHA1

998213a53ac219d469d728c2fa59c65191505c13
SHA256

be3347386abed3b29361e677e859d99976d71195b9ef1eb81336a5f1e8d2d1c5
SHA512

61dc6149a803cf883bee09a0b5a960f18b1e5c7df4a9a36c869e26ac15b3f2afd5fbf925c6120d083f020cbcb9bffa0ad2f0522485555e043b13046dfbcf256a
SSDEEP

384:E3eVES+/xwGkRKJolM61qmTTMVF9/q5E0:bGS+ZfbJoO8qYoAl

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"	97f74ab89f1e12ea31235bc5b5487fd2.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	97f74ab89f1e12ea31235bc5b5487fd2.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
3752	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
4340	ipconfig.exe
1112	NETSTAT.EXE

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3752	tasklist.exe
Token: SeDebugPrivilege	1112	NETSTAT.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1400	97f74ab89f1e12ea31235bc5b5487fd2.exe
1400	97f74ab89f1e12ea31235bc5b5487fd2.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1400 wrote to memory of 3684	1400	97f74ab89f1e12ea31235bc5b5487fd2.exe	84
PID 1400 wrote to memory of 3684	1400	97f74ab89f1e12ea31235bc5b5487fd2.exe	84
PID 1400 wrote to memory of 3684	1400	97f74ab89f1e12ea31235bc5b5487fd2.exe	84
PID 3684 wrote to memory of 888	3684	cmd.exe	86
PID 3684 wrote to memory of 888	3684	cmd.exe	86
PID 3684 wrote to memory of 888	3684	cmd.exe	86
PID 3684 wrote to memory of 4340	3684	cmd.exe	87
PID 3684 wrote to memory of 4340	3684	cmd.exe	87
PID 3684 wrote to memory of 4340	3684	cmd.exe	87
PID 3684 wrote to memory of 3752	3684	cmd.exe	88
PID 3684 wrote to memory of 3752	3684	cmd.exe	88
PID 3684 wrote to memory of 3752	3684	cmd.exe	88
PID 3684 wrote to memory of 3284	3684	cmd.exe	90
PID 3684 wrote to memory of 3284	3684	cmd.exe	90
PID 3684 wrote to memory of 3284	3684	cmd.exe	90
PID 3284 wrote to memory of 4272	3284	net.exe	91
PID 3284 wrote to memory of 4272	3284	net.exe	91
PID 3284 wrote to memory of 4272	3284	net.exe	91
PID 3684 wrote to memory of 1112	3684	cmd.exe	92
PID 3684 wrote to memory of 1112	3684	cmd.exe	92
PID 3684 wrote to memory of 1112	3684	cmd.exe	92

C:\Users\Admin\AppData\Local\Temp\97f74ab89f1e12ea31235bc5b5487fd2.exe
"C:\Users\Admin\AppData\Local\Temp\97f74ab89f1e12ea31235bc5b5487fd2.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1400
- 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:3684
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c set
    3⤵
    PID:888
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:4340
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:3752
- - C:\Windows\SysWOW64\net.exe
    net start
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3284
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start
      4⤵
      PID:4272
- - 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
14KB

MD5
ba0020d8a27614298eba7c366492a778

SHA1
ddc9d2e4b2564c37d87e644693c7c3e106634a4b

SHA256
dcf7b5ba9260b7cdb781afbacc67daa9161b9755996670ddacb9402311141716

SHA512
754881f61b9756939abc0fcc349dcfa020048eba1518690d9025b43cc07ca7dddefb81415cb1ae9df0f3a78ddb5917b27f24a4982fbdb0e80700b1bcb2348c59

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads