99ee102c59255bf574919f34e14e8a45a155d1e0f7f26b7aeb7df9bbaaf6ccf4

Analysis

max time kernel
122s
max time network
153s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
26-12-2023 00:06

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General

Target

452307baa936693407ac9b8162f0d653.exe
Size

24KB
MD5

452307baa936693407ac9b8162f0d653
SHA1

b895feab1ba33b678fedad757f9f29ea68a44cd6
SHA256

99ee102c59255bf574919f34e14e8a45a155d1e0f7f26b7aeb7df9bbaaf6ccf4
SHA512

3658f90c89c4c0ebce98b3de579c410abeeb85133baee14473c492761cd25c5ef69a5d3728126029cdcb08236f090833f4a8293fe6cdd9bfdcbf4ec934011a8d
SSDEEP

384:E3eVES+/xwGkRKJklM61qmTTMVF9/q5G0:bGS+ZfbJkO8qYoAv

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"	452307baa936693407ac9b8162f0d653.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	452307baa936693407ac9b8162f0d653.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
2704	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
2900	NETSTAT.EXE
2708	ipconfig.exe

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2704	tasklist.exe
Token: SeDebugPrivilege	2900	NETSTAT.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3048	452307baa936693407ac9b8162f0d653.exe
3048	452307baa936693407ac9b8162f0d653.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 3048 wrote to memory of 2152	3048	452307baa936693407ac9b8162f0d653.exe	28
PID 3048 wrote to memory of 2152	3048	452307baa936693407ac9b8162f0d653.exe	28
PID 3048 wrote to memory of 2152	3048	452307baa936693407ac9b8162f0d653.exe	28
PID 3048 wrote to memory of 2152	3048	452307baa936693407ac9b8162f0d653.exe	28
PID 2152 wrote to memory of 2440	2152	cmd.exe	30
PID 2152 wrote to memory of 2440	2152	cmd.exe	30
PID 2152 wrote to memory of 2440	2152	cmd.exe	30
PID 2152 wrote to memory of 2440	2152	cmd.exe	30
PID 2152 wrote to memory of 2708	2152	cmd.exe	31
PID 2152 wrote to memory of 2708	2152	cmd.exe	31
PID 2152 wrote to memory of 2708	2152	cmd.exe	31
PID 2152 wrote to memory of 2708	2152	cmd.exe	31
PID 2152 wrote to memory of 2704	2152	cmd.exe	32
PID 2152 wrote to memory of 2704	2152	cmd.exe	32
PID 2152 wrote to memory of 2704	2152	cmd.exe	32
PID 2152 wrote to memory of 2704	2152	cmd.exe	32
PID 2152 wrote to memory of 1312	2152	cmd.exe	34
PID 2152 wrote to memory of 1312	2152	cmd.exe	34
PID 2152 wrote to memory of 1312	2152	cmd.exe	34
PID 2152 wrote to memory of 1312	2152	cmd.exe	34
PID 1312 wrote to memory of 2680	1312	net.exe	35
PID 1312 wrote to memory of 2680	1312	net.exe	35
PID 1312 wrote to memory of 2680	1312	net.exe	35
PID 1312 wrote to memory of 2680	1312	net.exe	35
PID 2152 wrote to memory of 2900	2152	cmd.exe	36
PID 2152 wrote to memory of 2900	2152	cmd.exe	36
PID 2152 wrote to memory of 2900	2152	cmd.exe	36
PID 2152 wrote to memory of 2900	2152	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\452307baa936693407ac9b8162f0d653.exe
"C:\Users\Admin\AppData\Local\Temp\452307baa936693407ac9b8162f0d653.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3048
- 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:2152
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c set
    3⤵
    PID:2440
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:2708
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:2704
- - C:\Windows\SysWOW64\net.exe
    net start
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1312
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start
      4⤵
      PID:2680
- - C:\Windows\SysWOW64\NETSTAT.EXE
    netstat -an
    3⤵
    - Gathers network information
    - Suspicious use of AdjustPrivilegeToken
    PID:2900

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
8KB

MD5
81fd74376bfe1dfb29b47796237a1a59

SHA1
bb0d26a84b3c88bf7cdd0eaa96bca7a0cec16d9d

SHA256
80b162ec8a6c129969d725515e5d63c86c24b6a21ace8ef4e2fa983bb84c12ff

SHA512
1f3cf35df82607f1bdcbd6bea43b8114bc1f3d5bada51f57dc67dafe0c70656e67eded1ca6415d0fe5028a283f38b91d074d7697f0c06cee38ee321f8082fa7f

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads