7a3d7474a31f1d3972d23d8c5f8ce4aa3ffb76d16b2d234358e0bb6c1ced3fd6

Analysis

max time kernel
143s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
27/01/2024, 13:41

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General

Target

7a66d3fd37418d12ba159af02eb8cb2e.exe
Size

24KB
MD5

7a66d3fd37418d12ba159af02eb8cb2e
SHA1

dea89513d02e6c126e57bab7372c604b0d94e954
SHA256

7a3d7474a31f1d3972d23d8c5f8ce4aa3ffb76d16b2d234358e0bb6c1ced3fd6
SHA512

86ae235ed217c2e4bead9d097185d6c239a3739f6b486b36c81dd3259e7e1b3c1ee71f611319660905c3fc4e466356c73bce4a50694ebf7df80e0994511b59e4
SSDEEP

384:E3eVES+/xwGkRKJwYP4vlM61qmTTMVF9/q5n0:bGS+ZfbJevO8qYoA0

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"	7a66d3fd37418d12ba159af02eb8cb2e.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	7a66d3fd37418d12ba159af02eb8cb2e.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
4428	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
4304	ipconfig.exe
4284	NETSTAT.EXE

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4428	tasklist.exe
Token: SeDebugPrivilege	4284	NETSTAT.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1524	7a66d3fd37418d12ba159af02eb8cb2e.exe
1524	7a66d3fd37418d12ba159af02eb8cb2e.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1524 wrote to memory of 3992	1524	7a66d3fd37418d12ba159af02eb8cb2e.exe	87
PID 1524 wrote to memory of 3992	1524	7a66d3fd37418d12ba159af02eb8cb2e.exe	87
PID 1524 wrote to memory of 3992	1524	7a66d3fd37418d12ba159af02eb8cb2e.exe	87
PID 3992 wrote to memory of 804	3992	cmd.exe	90
PID 3992 wrote to memory of 804	3992	cmd.exe	90
PID 3992 wrote to memory of 804	3992	cmd.exe	90
PID 3992 wrote to memory of 4304	3992	cmd.exe	91
PID 3992 wrote to memory of 4304	3992	cmd.exe	91
PID 3992 wrote to memory of 4304	3992	cmd.exe	91
PID 3992 wrote to memory of 4428	3992	cmd.exe	92
PID 3992 wrote to memory of 4428	3992	cmd.exe	92
PID 3992 wrote to memory of 4428	3992	cmd.exe	92
PID 3992 wrote to memory of 4064	3992	cmd.exe	94
PID 3992 wrote to memory of 4064	3992	cmd.exe	94
PID 3992 wrote to memory of 4064	3992	cmd.exe	94
PID 4064 wrote to memory of 4924	4064	net.exe	95
PID 4064 wrote to memory of 4924	4064	net.exe	95
PID 4064 wrote to memory of 4924	4064	net.exe	95
PID 3992 wrote to memory of 4284	3992	cmd.exe	96
PID 3992 wrote to memory of 4284	3992	cmd.exe	96
PID 3992 wrote to memory of 4284	3992	cmd.exe	96

C:\Users\Admin\AppData\Local\Temp\7a66d3fd37418d12ba159af02eb8cb2e.exe
"C:\Users\Admin\AppData\Local\Temp\7a66d3fd37418d12ba159af02eb8cb2e.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1524
- 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:3992
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c set
    3⤵
    PID:804
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:4304
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:4428
- - C:\Windows\SysWOW64\net.exe
    net start
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4064
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start
      4⤵
      PID:4924
- - C:\Windows\SysWOW64\NETSTAT.EXE
    netstat -an
    3⤵
    - Gathers network information
    - Suspicious use of AdjustPrivilegeToken
    PID:4284

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
17ac9dc2664eb509e76a52c6b6f9d934

SHA1
f78a9e65dca91f2c25d71594a5d83f29ea4d230a

SHA256
b905b4d8b6b6fae95d9203aa5175364e5c01a35352af2afbedcd42183ea969b1

SHA512
da315bf7eb46d13b99ce3b58a952d27b91c07d509c92ac8c96273d219cc9227b82769ab3f54b5de56bd07f1d7acf29ef4a0c33092c0e2407fd8c0afe3df64231

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads