9c08976d0df930b6a3b92ebe16adab81b3c052f5ee5b4450090e94b5bf4ee3cf

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
14/03/2024, 00:35

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General

Target

c73d6c8b3bac18ca4f2f89d01328c44d.exe
Size

24KB
MD5

c73d6c8b3bac18ca4f2f89d01328c44d
SHA1

a15ca2303e98c65ac4dc0114fd1d08eb73f81cc8
SHA256

9c08976d0df930b6a3b92ebe16adab81b3c052f5ee5b4450090e94b5bf4ee3cf
SHA512

b86afb002039b504ff1aeb5e87af45ed9587f6e7316e3bf6443a7ae16ed654dac59c8421590d08815e11c0b62f751b90c6bbe66f70820bca041532b92eac74e0
SSDEEP

384:E3eVES+/xwGkRKJ2vklslM61qmTTMVF9/q5E0:bGS+ZfbJ2vdO8qYoAl

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"	c73d6c8b3bac18ca4f2f89d01328c44d.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	c73d6c8b3bac18ca4f2f89d01328c44d.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
748	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
828	ipconfig.exe
376	NETSTAT.EXE

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	748	tasklist.exe
Token: SeDebugPrivilege	376	NETSTAT.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1624	c73d6c8b3bac18ca4f2f89d01328c44d.exe
1624	c73d6c8b3bac18ca4f2f89d01328c44d.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1624 wrote to memory of 4448	1624	c73d6c8b3bac18ca4f2f89d01328c44d.exe	88
PID 1624 wrote to memory of 4448	1624	c73d6c8b3bac18ca4f2f89d01328c44d.exe	88
PID 1624 wrote to memory of 4448	1624	c73d6c8b3bac18ca4f2f89d01328c44d.exe	88
PID 4448 wrote to memory of 4240	4448	cmd.exe	90
PID 4448 wrote to memory of 4240	4448	cmd.exe	90
PID 4448 wrote to memory of 4240	4448	cmd.exe	90
PID 4448 wrote to memory of 828	4448	cmd.exe	91
PID 4448 wrote to memory of 828	4448	cmd.exe	91
PID 4448 wrote to memory of 828	4448	cmd.exe	91
PID 4448 wrote to memory of 748	4448	cmd.exe	92
PID 4448 wrote to memory of 748	4448	cmd.exe	92
PID 4448 wrote to memory of 748	4448	cmd.exe	92
PID 4448 wrote to memory of 212	4448	cmd.exe	94
PID 4448 wrote to memory of 212	4448	cmd.exe	94
PID 4448 wrote to memory of 212	4448	cmd.exe	94
PID 212 wrote to memory of 4436	212	net.exe	95
PID 212 wrote to memory of 4436	212	net.exe	95
PID 212 wrote to memory of 4436	212	net.exe	95
PID 4448 wrote to memory of 376	4448	cmd.exe	96
PID 4448 wrote to memory of 376	4448	cmd.exe	96
PID 4448 wrote to memory of 376	4448	cmd.exe	96

C:\Users\Admin\AppData\Local\Temp\c73d6c8b3bac18ca4f2f89d01328c44d.exe
"C:\Users\Admin\AppData\Local\Temp\c73d6c8b3bac18ca4f2f89d01328c44d.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1624
- 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:4448
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c set
    3⤵
    PID:4240
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:828
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:748
- - C:\Windows\SysWOW64\net.exe
    net start
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:212
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start
      4⤵
      PID:4436
- - C:\Windows\SysWOW64\NETSTAT.EXE
    netstat -an
    3⤵
    - Gathers network information
    - Suspicious use of AdjustPrivilegeToken
    PID:376

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
44c41da2a1687c5ba03ce2515d92c285

SHA1
6b089b35b9865cd33264fbbd6c06989816c1ecdd

SHA256
3fa39b3a5c1b2976d31b7ab38874ac5883af6a7294bb60132e39e31e1816c39c

SHA512
20a9b5c2aa18b1435ce03030ae81f7adbc7216505813073cf9bc93a78bbb78466192efb0d6b712135c99ebaf4c1835763b9089179bb4f1dc9416a494072a3290

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads