434503b834df300f0bf0b2cfc79d3de7c981206aea2eb37145b9468c5054dd7d

Analysis

max time kernel
145s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
18/01/2024, 07:29

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General

Target

64d27403fbabd3eb3935df5731ef4a4b.exe
Size

24KB
MD5

64d27403fbabd3eb3935df5731ef4a4b
SHA1

236103fd9937b8688d26e2b603b5654d3d6f06e3
SHA256

434503b834df300f0bf0b2cfc79d3de7c981206aea2eb37145b9468c5054dd7d
SHA512

75109793c721895fc15cefd3546fbdfd8ee32ca300a0ea4bbd31919da0986b59bd5ddccca05effd5c7a5b50243c70021222d1696d437ef4bea7395bf68e0f4b6
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"	64d27403fbabd3eb3935df5731ef4a4b.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	64d27403fbabd3eb3935df5731ef4a4b.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
2000	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
2988	ipconfig.exe
5028	NETSTAT.EXE

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2000	tasklist.exe
Token: SeDebugPrivilege	5028	NETSTAT.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3676	64d27403fbabd3eb3935df5731ef4a4b.exe
3676	64d27403fbabd3eb3935df5731ef4a4b.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 3676 wrote to memory of 640	3676	64d27403fbabd3eb3935df5731ef4a4b.exe	86
PID 3676 wrote to memory of 640	3676	64d27403fbabd3eb3935df5731ef4a4b.exe	86
PID 3676 wrote to memory of 640	3676	64d27403fbabd3eb3935df5731ef4a4b.exe	86
PID 640 wrote to memory of 456	640	cmd.exe	88
PID 640 wrote to memory of 456	640	cmd.exe	88
PID 640 wrote to memory of 456	640	cmd.exe	88
PID 640 wrote to memory of 2988	640	cmd.exe	89
PID 640 wrote to memory of 2988	640	cmd.exe	89
PID 640 wrote to memory of 2988	640	cmd.exe	89
PID 640 wrote to memory of 2000	640	cmd.exe	91
PID 640 wrote to memory of 2000	640	cmd.exe	91
PID 640 wrote to memory of 2000	640	cmd.exe	91
PID 640 wrote to memory of 2300	640	cmd.exe	94
PID 640 wrote to memory of 2300	640	cmd.exe	94
PID 640 wrote to memory of 2300	640	cmd.exe	94
PID 2300 wrote to memory of 436	2300	net.exe	95
PID 2300 wrote to memory of 436	2300	net.exe	95
PID 2300 wrote to memory of 436	2300	net.exe	95
PID 640 wrote to memory of 5028	640	cmd.exe	97
PID 640 wrote to memory of 5028	640	cmd.exe	97
PID 640 wrote to memory of 5028	640	cmd.exe	97

C:\Users\Admin\AppData\Local\Temp\64d27403fbabd3eb3935df5731ef4a4b.exe
"C:\Users\Admin\AppData\Local\Temp\64d27403fbabd3eb3935df5731ef4a4b.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3676
- 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:640
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c set
    3⤵
    PID:456
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:2988
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:2000
- - C:\Windows\SysWOW64\net.exe
    net start
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2300
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start
      4⤵
      PID:436
- - C:\Windows\SysWOW64\NETSTAT.EXE
    netstat -an
    3⤵
    - Gathers network information
    - Suspicious use of AdjustPrivilegeToken
    PID:5028

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
a2f3a5a76e353f7ebb4c6ac08120e2ff

SHA1
b0976d0359eb257d2dfc6aa741b33f25a05125f1

SHA256
fd70413956fee13dea1b6b96a80c55a64095dac077033a921bda54005a1b1f64

SHA512
aa4714a71b902d31470fe75f850d1aadd985832b4bde386bc9d28ffb3f1c8b7f427e3546f014a8fa89e2bf2e8b8e590a45758af17b945675ed0c028efe1db330

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads