419388bc816bfec26d8c45b2fca1788ae6d883ded974eb8a89200a7ffad6fe5c

Analysis

max time kernel
120s
max time network
122s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25/01/2024, 03:42

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General

Target

73a44083556179e076af633a2757f64b.exe
Size

24KB
MD5

73a44083556179e076af633a2757f64b
SHA1

72dafd10ebee7ff1b1032eeb7f5e323fa5dce43b
SHA256

419388bc816bfec26d8c45b2fca1788ae6d883ded974eb8a89200a7ffad6fe5c
SHA512

ccdf1123bd2ab1b732e79ce4307bcd9bf8ceb84108b8348c6d2195e86c5260e469b380228eccef4b08bc1cbb15adfa734c2c7fcbb5478dc3c20c193219dc05b2
SSDEEP

384:E3eVES+/xwGkRKJTwLwlM61qmTTMVF9/q5M0:bGS+ZfbJTwLwO8qYoAd

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"	73a44083556179e076af633a2757f64b.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	73a44083556179e076af633a2757f64b.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
2832	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
2308	ipconfig.exe
2780	NETSTAT.EXE

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2832	tasklist.exe
Token: SeDebugPrivilege	2780	NETSTAT.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
808	73a44083556179e076af633a2757f64b.exe
808	73a44083556179e076af633a2757f64b.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 808 wrote to memory of 1716	808	73a44083556179e076af633a2757f64b.exe	28
PID 808 wrote to memory of 1716	808	73a44083556179e076af633a2757f64b.exe	28
PID 808 wrote to memory of 1716	808	73a44083556179e076af633a2757f64b.exe	28
PID 808 wrote to memory of 1716	808	73a44083556179e076af633a2757f64b.exe	28
PID 1716 wrote to memory of 2660	1716	cmd.exe	30
PID 1716 wrote to memory of 2660	1716	cmd.exe	30
PID 1716 wrote to memory of 2660	1716	cmd.exe	30
PID 1716 wrote to memory of 2660	1716	cmd.exe	30
PID 1716 wrote to memory of 2308	1716	cmd.exe	31
PID 1716 wrote to memory of 2308	1716	cmd.exe	31
PID 1716 wrote to memory of 2308	1716	cmd.exe	31
PID 1716 wrote to memory of 2308	1716	cmd.exe	31
PID 1716 wrote to memory of 2832	1716	cmd.exe	32
PID 1716 wrote to memory of 2832	1716	cmd.exe	32
PID 1716 wrote to memory of 2832	1716	cmd.exe	32
PID 1716 wrote to memory of 2832	1716	cmd.exe	32
PID 1716 wrote to memory of 2092	1716	cmd.exe	34
PID 1716 wrote to memory of 2092	1716	cmd.exe	34
PID 1716 wrote to memory of 2092	1716	cmd.exe	34
PID 1716 wrote to memory of 2092	1716	cmd.exe	34
PID 2092 wrote to memory of 2928	2092	net.exe	35
PID 2092 wrote to memory of 2928	2092	net.exe	35
PID 2092 wrote to memory of 2928	2092	net.exe	35
PID 2092 wrote to memory of 2928	2092	net.exe	35
PID 1716 wrote to memory of 2780	1716	cmd.exe	36
PID 1716 wrote to memory of 2780	1716	cmd.exe	36
PID 1716 wrote to memory of 2780	1716	cmd.exe	36
PID 1716 wrote to memory of 2780	1716	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\73a44083556179e076af633a2757f64b.exe
"C:\Users\Admin\AppData\Local\Temp\73a44083556179e076af633a2757f64b.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:808
- 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:1716
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c set
    3⤵
    PID:2660
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:2308
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:2832
- - C:\Windows\SysWOW64\net.exe
    net start
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2092
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start
      4⤵
      PID:2928
- - C:\Windows\SysWOW64\NETSTAT.EXE
    netstat -an
    3⤵
    - Gathers network information
    - Suspicious use of AdjustPrivilegeToken
    PID:2780

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
6f67e872b169372375605d41f587fc42

SHA1
5802863a6f74a683c9633ef08bdebd241321b5f7

SHA256
156e7424079c2b24eee2d9edd15158ee7f259777f03c5e1c8be84bb86c0be5bb

SHA512
c19e2d7a6ac84f99561b4c37d5f0ca532e655761c87c931be4362dbe42818bc1e2e92a8c7fe9d990515ae2cb56b8313e4928477f93edbb55094084595016b888

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads