aee87ab11d89ee8fceafdbe48882de46654cd6b07e8ace1c2268b1c12ab8864a

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
14/02/2024, 11:08

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General

Target

9b82dbcdef378b319b956047daff7956.exe
Size

24KB
MD5

9b82dbcdef378b319b956047daff7956
SHA1

269647b3bd5f6bfb5f40d52f5e682b3a4250c7b5
SHA256

aee87ab11d89ee8fceafdbe48882de46654cd6b07e8ace1c2268b1c12ab8864a
SHA512

c9d0f647cb5668452764b5d4702cd2d5f3f4b391370dc333090f5da53010054c0d2328815df81e0b486a8cf93228f49996a24604bfa0a04b81f9ef8df280e260
SSDEEP

384:E3eVES+/xwGkRKJrblM61qmTTMVF9/q5jk0:bGS+ZfbJvO8qYoAB

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"	9b82dbcdef378b319b956047daff7956.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	9b82dbcdef378b319b956047daff7956.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
1880	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
2724	NETSTAT.EXE
2952	ipconfig.exe

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1880	tasklist.exe
Token: SeDebugPrivilege	2724	NETSTAT.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2360	9b82dbcdef378b319b956047daff7956.exe
2360	9b82dbcdef378b319b956047daff7956.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2360 wrote to memory of 2220	2360	9b82dbcdef378b319b956047daff7956.exe	28
PID 2360 wrote to memory of 2220	2360	9b82dbcdef378b319b956047daff7956.exe	28
PID 2360 wrote to memory of 2220	2360	9b82dbcdef378b319b956047daff7956.exe	28
PID 2360 wrote to memory of 2220	2360	9b82dbcdef378b319b956047daff7956.exe	28
PID 2220 wrote to memory of 2892	2220	cmd.exe	30
PID 2220 wrote to memory of 2892	2220	cmd.exe	30
PID 2220 wrote to memory of 2892	2220	cmd.exe	30
PID 2220 wrote to memory of 2892	2220	cmd.exe	30
PID 2220 wrote to memory of 2952	2220	cmd.exe	31
PID 2220 wrote to memory of 2952	2220	cmd.exe	31
PID 2220 wrote to memory of 2952	2220	cmd.exe	31
PID 2220 wrote to memory of 2952	2220	cmd.exe	31
PID 2220 wrote to memory of 1880	2220	cmd.exe	32
PID 2220 wrote to memory of 1880	2220	cmd.exe	32
PID 2220 wrote to memory of 1880	2220	cmd.exe	32
PID 2220 wrote to memory of 1880	2220	cmd.exe	32
PID 2220 wrote to memory of 2640	2220	cmd.exe	34
PID 2220 wrote to memory of 2640	2220	cmd.exe	34
PID 2220 wrote to memory of 2640	2220	cmd.exe	34
PID 2220 wrote to memory of 2640	2220	cmd.exe	34
PID 2640 wrote to memory of 2644	2640	net.exe	35
PID 2640 wrote to memory of 2644	2640	net.exe	35
PID 2640 wrote to memory of 2644	2640	net.exe	35
PID 2640 wrote to memory of 2644	2640	net.exe	35
PID 2220 wrote to memory of 2724	2220	cmd.exe	36
PID 2220 wrote to memory of 2724	2220	cmd.exe	36
PID 2220 wrote to memory of 2724	2220	cmd.exe	36
PID 2220 wrote to memory of 2724	2220	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\9b82dbcdef378b319b956047daff7956.exe
"C:\Users\Admin\AppData\Local\Temp\9b82dbcdef378b319b956047daff7956.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:2220
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c set
    3⤵
    PID:2892
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:2952
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:1880
- - C:\Windows\SysWOW64\net.exe
    net start
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2640
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start
      4⤵
      PID:2644
- - C:\Windows\SysWOW64\NETSTAT.EXE
    netstat -an
    3⤵
    - Gathers network information
    - Suspicious use of AdjustPrivilegeToken
    PID:2724

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
fa49c1f40208baa4ed3d6d982f5ca072

SHA1
4595484505f436f1b0e3aea99bd98c1972f2b8df

SHA256
75c343217747e354524792055ba3b16d72cd3699fa90e4b4cfd0a3eb10255573

SHA512
b31a77e64b5eb163f78c81c17c609904f8d40296a6f112b2032376ed899f825c78d27397ab439c93404d6e97e0047bd7198302e4f8b1e0f82a13562227c2ac23

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads