b30408fca2eb8579aab06f93a30c7ac5c023e3381048962fc501a0fc776fc2bb

Analysis

max time kernel
119s
max time network
123s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
18/01/2024, 01:14

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General

Target

64189773a88ff79e3cf5253dcc4a1d0f.exe
Size

24KB
MD5

64189773a88ff79e3cf5253dcc4a1d0f
SHA1

3ca6080e6142cf02172725359e5e2985e4fa7b7e
SHA256

b30408fca2eb8579aab06f93a30c7ac5c023e3381048962fc501a0fc776fc2bb
SHA512

cf1efc4a6d158455f9f1bba09b118969fe9b16cba941f9889815fa7386690fbf84ed1cbbccb86c88b5b0b42fe896e33dd70feba478b0f479d7e1eba8251c9b5e
SSDEEP

384:E3eVES+/xwGkRKJilM61qmTTMVF9/q5R0:bGS+ZfbJiO8qYoAO

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"	64189773a88ff79e3cf5253dcc4a1d0f.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	64189773a88ff79e3cf5253dcc4a1d0f.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
2704	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
2668	ipconfig.exe
2884	NETSTAT.EXE

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2704	tasklist.exe
Token: SeDebugPrivilege	2884	NETSTAT.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
828	64189773a88ff79e3cf5253dcc4a1d0f.exe
828	64189773a88ff79e3cf5253dcc4a1d0f.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 828 wrote to memory of 2304	828	64189773a88ff79e3cf5253dcc4a1d0f.exe	28
PID 828 wrote to memory of 2304	828	64189773a88ff79e3cf5253dcc4a1d0f.exe	28
PID 828 wrote to memory of 2304	828	64189773a88ff79e3cf5253dcc4a1d0f.exe	28
PID 828 wrote to memory of 2304	828	64189773a88ff79e3cf5253dcc4a1d0f.exe	28
PID 2304 wrote to memory of 2448	2304	cmd.exe	30
PID 2304 wrote to memory of 2448	2304	cmd.exe	30
PID 2304 wrote to memory of 2448	2304	cmd.exe	30
PID 2304 wrote to memory of 2448	2304	cmd.exe	30
PID 2304 wrote to memory of 2668	2304	cmd.exe	31
PID 2304 wrote to memory of 2668	2304	cmd.exe	31
PID 2304 wrote to memory of 2668	2304	cmd.exe	31
PID 2304 wrote to memory of 2668	2304	cmd.exe	31
PID 2304 wrote to memory of 2704	2304	cmd.exe	32
PID 2304 wrote to memory of 2704	2304	cmd.exe	32
PID 2304 wrote to memory of 2704	2304	cmd.exe	32
PID 2304 wrote to memory of 2704	2304	cmd.exe	32
PID 2304 wrote to memory of 2852	2304	cmd.exe	34
PID 2304 wrote to memory of 2852	2304	cmd.exe	34
PID 2304 wrote to memory of 2852	2304	cmd.exe	34
PID 2304 wrote to memory of 2852	2304	cmd.exe	34
PID 2852 wrote to memory of 2828	2852	net.exe	35
PID 2852 wrote to memory of 2828	2852	net.exe	35
PID 2852 wrote to memory of 2828	2852	net.exe	35
PID 2852 wrote to memory of 2828	2852	net.exe	35
PID 2304 wrote to memory of 2884	2304	cmd.exe	36
PID 2304 wrote to memory of 2884	2304	cmd.exe	36
PID 2304 wrote to memory of 2884	2304	cmd.exe	36
PID 2304 wrote to memory of 2884	2304	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\64189773a88ff79e3cf5253dcc4a1d0f.exe
"C:\Users\Admin\AppData\Local\Temp\64189773a88ff79e3cf5253dcc4a1d0f.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:828
- 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:2304
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c set
    3⤵
    PID:2448
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:2668
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:2704
- - C:\Windows\SysWOW64\net.exe
    net start
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2852
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start
      4⤵
      PID:2828
- - C:\Windows\SysWOW64\NETSTAT.EXE
    netstat -an
    3⤵
    - Gathers network information
    - Suspicious use of AdjustPrivilegeToken
    PID:2884

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
87e450ce7776e83a2722385144dd06ce

SHA1
dd8f225ebcd672fbf9ca47f475566e7e2cf771e1

SHA256
0c30954e51ea18769953971df1ef04cdd99483eced00e15af72b901e2bee261f

SHA512
0a347d79278eab781c33d52bcc9d3a17cafa415f2b7b68945759c4edda441dca16db7e37b45120d74446b3974ce1a3e51efadff0fa06e4eb23b78adfc9f121f3

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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