9f8e2071b5a28158c14539ba40ef177fcd373d8c013887a75947ee2488b63dc3

Analysis

max time kernel
91s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
24-01-2024 21:08

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General

Target

72dc2f24c7fb6ecfd1f0c0c4238a4364.exe
Size

24KB
MD5

72dc2f24c7fb6ecfd1f0c0c4238a4364
SHA1

851928ed5e0543a7aa220a87fd689f20e3e3e1fe
SHA256

9f8e2071b5a28158c14539ba40ef177fcd373d8c013887a75947ee2488b63dc3
SHA512

88ab539add96f2d3aad51fc84700c319ce115118ea576d494356ae0f7ff3956035eaf1bf3dce46418db19bfd016aee95b287da44c44a21b339b18d198a71ea98
SSDEEP

384:E3eVES+/xwGkRKJilM61qmTTMVF9/q5n0:bGS+ZfbJiO8qYoA0

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"	72dc2f24c7fb6ecfd1f0c0c4238a4364.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	72dc2f24c7fb6ecfd1f0c0c4238a4364.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
2500	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
3016	ipconfig.exe
4988	NETSTAT.EXE

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2500	tasklist.exe
Token: SeDebugPrivilege	4988	NETSTAT.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2556	72dc2f24c7fb6ecfd1f0c0c4238a4364.exe
2556	72dc2f24c7fb6ecfd1f0c0c4238a4364.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2556 wrote to memory of 1608	2556	72dc2f24c7fb6ecfd1f0c0c4238a4364.exe	85
PID 2556 wrote to memory of 1608	2556	72dc2f24c7fb6ecfd1f0c0c4238a4364.exe	85
PID 2556 wrote to memory of 1608	2556	72dc2f24c7fb6ecfd1f0c0c4238a4364.exe	85
PID 1608 wrote to memory of 1304	1608	cmd.exe	87
PID 1608 wrote to memory of 1304	1608	cmd.exe	87
PID 1608 wrote to memory of 1304	1608	cmd.exe	87
PID 1608 wrote to memory of 3016	1608	cmd.exe	88
PID 1608 wrote to memory of 3016	1608	cmd.exe	88
PID 1608 wrote to memory of 3016	1608	cmd.exe	88
PID 1608 wrote to memory of 2500	1608	cmd.exe	89
PID 1608 wrote to memory of 2500	1608	cmd.exe	89
PID 1608 wrote to memory of 2500	1608	cmd.exe	89
PID 1608 wrote to memory of 2168	1608	cmd.exe	93
PID 1608 wrote to memory of 2168	1608	cmd.exe	93
PID 1608 wrote to memory of 2168	1608	cmd.exe	93
PID 2168 wrote to memory of 100	2168	net.exe	95
PID 2168 wrote to memory of 100	2168	net.exe	95
PID 2168 wrote to memory of 100	2168	net.exe	95
PID 1608 wrote to memory of 4988	1608	cmd.exe	96
PID 1608 wrote to memory of 4988	1608	cmd.exe	96
PID 1608 wrote to memory of 4988	1608	cmd.exe	96

C:\Users\Admin\AppData\Local\Temp\72dc2f24c7fb6ecfd1f0c0c4238a4364.exe
"C:\Users\Admin\AppData\Local\Temp\72dc2f24c7fb6ecfd1f0c0c4238a4364.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2556
- 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:1608
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c set
    3⤵
    PID:1304
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:3016
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:2500
- - C:\Windows\SysWOW64\net.exe
    net start
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2168
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start
      4⤵
      PID:100
- - C:\Windows\SysWOW64\NETSTAT.EXE
    netstat -an
    3⤵
    - Gathers network information
    - Suspicious use of AdjustPrivilegeToken
    PID:4988

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
639158b7223b17efe22a7bb4912c457f

SHA1
02bf11e53d242d5dfdcd02a85f019094185d1b09

SHA256
25ca1af9abe43fa14871e99236b538da069ddbe73705c97f263fa32ad81461f6

SHA512
d1e077709526b4c76864181b632c1e81595453b5c4e69839cd3de61272bbde34bf34c1c12e5e1ecfd8e7358145c21f1688ee00e05459f6d178b3d24ab45642f8

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads