be27fb5b852c98ea026648c0702538a8f500f071cf10129e831c34ffe76bd8fd

Analysis

max time kernel
120s
max time network
122s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
22/12/2023, 12:51

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General

Target

8f8baa750ba0fd142ce86feb0d2f7423.exe
Size

24KB
MD5

8f8baa750ba0fd142ce86feb0d2f7423
SHA1

70caa942f5b3714c7fbdddc0d8ec9087e82b1a1c
SHA256

be27fb5b852c98ea026648c0702538a8f500f071cf10129e831c34ffe76bd8fd
SHA512

ea1e8c2eabe9fe254f17e3bcd1a08c6fd336c1da7ccbbcd6b5972e287bc31dad3bf66a972fabeb2f272d6097a1b919de7af5eee15e33519f14b42b42f5744ec2
SSDEEP

384:E3eVES+/xwGkRKJilM61qmTTMVF9/q5g0:bGS+ZfbJiO8qYoAZ

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"	8f8baa750ba0fd142ce86feb0d2f7423.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	8f8baa750ba0fd142ce86feb0d2f7423.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
1820	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
2224	ipconfig.exe
2664	NETSTAT.EXE

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1820	tasklist.exe
Token: SeDebugPrivilege	2664	NETSTAT.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2360	8f8baa750ba0fd142ce86feb0d2f7423.exe
2360	8f8baa750ba0fd142ce86feb0d2f7423.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2360 wrote to memory of 2148	2360	8f8baa750ba0fd142ce86feb0d2f7423.exe	23
PID 2360 wrote to memory of 2148	2360	8f8baa750ba0fd142ce86feb0d2f7423.exe	23
PID 2360 wrote to memory of 2148	2360	8f8baa750ba0fd142ce86feb0d2f7423.exe	23
PID 2360 wrote to memory of 2148	2360	8f8baa750ba0fd142ce86feb0d2f7423.exe	23
PID 2148 wrote to memory of 804	2148	cmd.exe	22
PID 2148 wrote to memory of 804	2148	cmd.exe	22
PID 2148 wrote to memory of 804	2148	cmd.exe	22
PID 2148 wrote to memory of 804	2148	cmd.exe	22
PID 2148 wrote to memory of 2224	2148	cmd.exe	16
PID 2148 wrote to memory of 2224	2148	cmd.exe	16
PID 2148 wrote to memory of 2224	2148	cmd.exe	16
PID 2148 wrote to memory of 2224	2148	cmd.exe	16
PID 2148 wrote to memory of 1820	2148	cmd.exe	17
PID 2148 wrote to memory of 1820	2148	cmd.exe	17
PID 2148 wrote to memory of 1820	2148	cmd.exe	17
PID 2148 wrote to memory of 1820	2148	cmd.exe	17
PID 2148 wrote to memory of 2580	2148	cmd.exe	19
PID 2148 wrote to memory of 2580	2148	cmd.exe	19
PID 2148 wrote to memory of 2580	2148	cmd.exe	19
PID 2148 wrote to memory of 2580	2148	cmd.exe	19
PID 2580 wrote to memory of 2644	2580	net.exe	21
PID 2580 wrote to memory of 2644	2580	net.exe	21
PID 2580 wrote to memory of 2644	2580	net.exe	21
PID 2580 wrote to memory of 2644	2580	net.exe	21
PID 2148 wrote to memory of 2664	2148	cmd.exe	20
PID 2148 wrote to memory of 2664	2148	cmd.exe	20
PID 2148 wrote to memory of 2664	2148	cmd.exe	20
PID 2148 wrote to memory of 2664	2148	cmd.exe	20

C:\Users\Admin\AppData\Local\Temp\8f8baa750ba0fd142ce86feb0d2f7423.exe
"C:\Users\Admin\AppData\Local\Temp\8f8baa750ba0fd142ce86feb0d2f7423.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2360
- 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:2148

C:\Windows\SysWOW64\ipconfig.exe
ipconfig /all
1⤵
- Gathers network information
PID:2224

C:\Windows\SysWOW64\tasklist.exe
tasklist
1⤵
- Enumerates processes with tasklist
- Suspicious use of AdjustPrivilegeToken
PID:1820

C:\Windows\SysWOW64\net.exe
net start
1⤵
- Suspicious use of WriteProcessMemory
PID:2580
- C:\Windows\SysWOW64\net1.exe
  C:\Windows\system32\net1 start
  2⤵
  PID:2644

C:\Windows\SysWOW64\NETSTAT.EXE
netstat -an
1⤵
- Gathers network information
- Suspicious use of AdjustPrivilegeToken
PID:2664

C:\Windows\SysWOW64\cmd.exe
cmd /c set
1⤵
PID:804

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
d9657cf5b6d7d78d24a80cc9bfe168a3

SHA1
9f9ee5416ff6689dba07d20c9ca53e92dc96d857

SHA256
53607b42d661fb58730be38c4e9c83896e6de579011b032da965658fdbcd4950

SHA512
06ce10fecd8c7a0d39e4bf80b6d3801da4664966ae28d8ec58da5d9453f30a2c9c32289bfd10598737ebcfca06909b05b79587c2deedbdbdeaecc87711198714

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads