0c408fd362fdf336e4b9daaf822045956d0d3d37c19b4d3c640ae5ba8d7923a9

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
22/12/2023, 12:54

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General

Target

91b2adc35b7b31de076c7b95a645a841.exe
Size

24KB
MD5

91b2adc35b7b31de076c7b95a645a841
SHA1

4d9e7bd9da551920bc4695e82a01d385aa084959
SHA256

0c408fd362fdf336e4b9daaf822045956d0d3d37c19b4d3c640ae5ba8d7923a9
SHA512

f71a41d74b299d7420f3937fb3909081bba22fb79de336954d299907bab1503c83aae988029e28d2e007f4b0538650ac72f2eb812924253ab738edb7f8aa220a
SSDEEP

384:E3eVES+/xwGkRKJI9BglM61qmTTMVF9/q5k0:bGS+ZfbJfO8qYoAF

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"	91b2adc35b7b31de076c7b95a645a841.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	91b2adc35b7b31de076c7b95a645a841.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
1720	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
1976	ipconfig.exe
2800	NETSTAT.EXE

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1720	tasklist.exe
Token: SeDebugPrivilege	2800	NETSTAT.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2512	91b2adc35b7b31de076c7b95a645a841.exe
2512	91b2adc35b7b31de076c7b95a645a841.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2512 wrote to memory of 2980	2512	91b2adc35b7b31de076c7b95a645a841.exe	23
PID 2512 wrote to memory of 2980	2512	91b2adc35b7b31de076c7b95a645a841.exe	23
PID 2512 wrote to memory of 2980	2512	91b2adc35b7b31de076c7b95a645a841.exe	23
PID 2512 wrote to memory of 2980	2512	91b2adc35b7b31de076c7b95a645a841.exe	23
PID 2980 wrote to memory of 2224	2980	cmd.exe	22
PID 2980 wrote to memory of 2224	2980	cmd.exe	22
PID 2980 wrote to memory of 2224	2980	cmd.exe	22
PID 2980 wrote to memory of 2224	2980	cmd.exe	22
PID 2980 wrote to memory of 1976	2980	cmd.exe	16
PID 2980 wrote to memory of 1976	2980	cmd.exe	16
PID 2980 wrote to memory of 1976	2980	cmd.exe	16
PID 2980 wrote to memory of 1976	2980	cmd.exe	16
PID 2980 wrote to memory of 1720	2980	cmd.exe	17
PID 2980 wrote to memory of 1720	2980	cmd.exe	17
PID 2980 wrote to memory of 1720	2980	cmd.exe	17
PID 2980 wrote to memory of 1720	2980	cmd.exe	17
PID 2980 wrote to memory of 2700	2980	cmd.exe	21
PID 2980 wrote to memory of 2700	2980	cmd.exe	21
PID 2980 wrote to memory of 2700	2980	cmd.exe	21
PID 2980 wrote to memory of 2700	2980	cmd.exe	21
PID 2700 wrote to memory of 2920	2700	net.exe	20
PID 2700 wrote to memory of 2920	2700	net.exe	20
PID 2700 wrote to memory of 2920	2700	net.exe	20
PID 2700 wrote to memory of 2920	2700	net.exe	20
PID 2980 wrote to memory of 2800	2980	cmd.exe	19
PID 2980 wrote to memory of 2800	2980	cmd.exe	19
PID 2980 wrote to memory of 2800	2980	cmd.exe	19
PID 2980 wrote to memory of 2800	2980	cmd.exe	19

C:\Users\Admin\AppData\Local\Temp\91b2adc35b7b31de076c7b95a645a841.exe
"C:\Users\Admin\AppData\Local\Temp\91b2adc35b7b31de076c7b95a645a841.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2512
- 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:2980

C:\Windows\SysWOW64\ipconfig.exe
ipconfig /all
1⤵
- Gathers network information
PID:1976

C:\Windows\SysWOW64\tasklist.exe
tasklist
1⤵
- Enumerates processes with tasklist
- Suspicious use of AdjustPrivilegeToken
PID:1720

C:\Windows\SysWOW64\NETSTAT.EXE
netstat -an
1⤵
- Gathers network information
- Suspicious use of AdjustPrivilegeToken
PID:2800

C:\Windows\SysWOW64\net1.exe
C:\Windows\system32\net1 start
1⤵
PID:2920

C:\Windows\SysWOW64\net.exe
net start
1⤵
- Suspicious use of WriteProcessMemory
PID:2700

C:\Windows\SysWOW64\cmd.exe
cmd /c set
1⤵
PID:2224

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
a55c4aae70cb5579b43b3462c3c92537

SHA1
4b9cee55ac8a12f832b51504090156ead4bf0848

SHA256
4116a0133c455d8b481bcef0d756562f2fcaf240939d409d968cfda33e9ed154

SHA512
7e500bf9f818690f6e313e5449901a5e06f18daf5c06c298db7d029144ef27eb0bbf353f979142ae80098c5f4b06a8be41017145135e4705f6b0a73cc84a58a5

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads