9c08976d0df930b6a3b92ebe16adab81b3c052f5ee5b4450090e94b5bf4ee3cf

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
14/03/2024, 00:35

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General

Target

c73d6c8b3bac18ca4f2f89d01328c44d.exe
Size

24KB
MD5

c73d6c8b3bac18ca4f2f89d01328c44d
SHA1

a15ca2303e98c65ac4dc0114fd1d08eb73f81cc8
SHA256

9c08976d0df930b6a3b92ebe16adab81b3c052f5ee5b4450090e94b5bf4ee3cf
SHA512

b86afb002039b504ff1aeb5e87af45ed9587f6e7316e3bf6443a7ae16ed654dac59c8421590d08815e11c0b62f751b90c6bbe66f70820bca041532b92eac74e0
SSDEEP

384:E3eVES+/xwGkRKJ2vklslM61qmTTMVF9/q5E0:bGS+ZfbJ2vdO8qYoAl

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"	c73d6c8b3bac18ca4f2f89d01328c44d.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	c73d6c8b3bac18ca4f2f89d01328c44d.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
2988	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
1308	ipconfig.exe
2568	NETSTAT.EXE

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2988	tasklist.exe
Token: SeDebugPrivilege	2568	NETSTAT.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2096	c73d6c8b3bac18ca4f2f89d01328c44d.exe
2096	c73d6c8b3bac18ca4f2f89d01328c44d.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 2096 wrote to memory of 2296	2096	c73d6c8b3bac18ca4f2f89d01328c44d.exe	28
PID 2096 wrote to memory of 2296	2096	c73d6c8b3bac18ca4f2f89d01328c44d.exe	28
PID 2096 wrote to memory of 2296	2096	c73d6c8b3bac18ca4f2f89d01328c44d.exe	28
PID 2096 wrote to memory of 2296	2096	c73d6c8b3bac18ca4f2f89d01328c44d.exe	28
PID 2296 wrote to memory of 2256	2296	cmd.exe	30
PID 2296 wrote to memory of 2256	2296	cmd.exe	30
PID 2296 wrote to memory of 2256	2296	cmd.exe	30
PID 2296 wrote to memory of 2256	2296	cmd.exe	30
PID 2296 wrote to memory of 1308	2296	cmd.exe	31
PID 2296 wrote to memory of 1308	2296	cmd.exe	31
PID 2296 wrote to memory of 1308	2296	cmd.exe	31
PID 2296 wrote to memory of 1308	2296	cmd.exe	31
PID 2296 wrote to memory of 2988	2296	cmd.exe	32
PID 2296 wrote to memory of 2988	2296	cmd.exe	32
PID 2296 wrote to memory of 2988	2296	cmd.exe	32
PID 2296 wrote to memory of 2988	2296	cmd.exe	32
PID 2296 wrote to memory of 2592	2296	cmd.exe	34
PID 2296 wrote to memory of 2592	2296	cmd.exe	34
PID 2296 wrote to memory of 2592	2296	cmd.exe	34
PID 2296 wrote to memory of 2592	2296	cmd.exe	34
PID 2592 wrote to memory of 2580	2592	net.exe	35
PID 2592 wrote to memory of 2580	2592	net.exe	35
PID 2592 wrote to memory of 2580	2592	net.exe	35
PID 2592 wrote to memory of 2580	2592	net.exe	35
PID 2296 wrote to memory of 2568	2296	cmd.exe	36
PID 2296 wrote to memory of 2568	2296	cmd.exe	36
PID 2296 wrote to memory of 2568	2296	cmd.exe	36
PID 2296 wrote to memory of 2568	2296	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\c73d6c8b3bac18ca4f2f89d01328c44d.exe
"C:\Users\Admin\AppData\Local\Temp\c73d6c8b3bac18ca4f2f89d01328c44d.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2096
- 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:2296
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c set
    3⤵
    PID:2256
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:1308
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:2988
- - C:\Windows\SysWOW64\net.exe
    net start
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2592
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start
      4⤵
      PID:2580
- - C:\Windows\SysWOW64\NETSTAT.EXE
    netstat -an
    3⤵
    - Gathers network information
    - Suspicious use of AdjustPrivilegeToken
    PID:2568

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
ba158f937a50ffd0981b7a1afc8f0910

SHA1
ef880544c5dd09cb64e129961f66bcd7bc3cc088

SHA256
1812dab9b446247f244f477ce83deefdc8f67ca49bea6b807db48dd1c1388c8d

SHA512
41ee8629d486c71a06cdc17d07ea5a119139bf4cfe38171eb645278941888180b8479165a743fb3f0dc39e1fb3bb01f083c54aa62910b87d75a0200525a56a26

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads