0ee70d0d8823283472fa6de42cdc8cd18a69e3dcb5c36ecb12a52330e43b898e

Analysis

max time kernel
120s
max time network
124s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
05/03/2024, 19:51

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General

Target

b587a493f85453f0215f8a61d0666e24.exe
Size

24KB
MD5

b587a493f85453f0215f8a61d0666e24
SHA1

82905d95d1ecc168fe21741866c4e52f902f0cc5
SHA256

0ee70d0d8823283472fa6de42cdc8cd18a69e3dcb5c36ecb12a52330e43b898e
SHA512

f618f76254cb0cb4a79c7ec8a8090df6245996133fc0bbea6ec0ac0d2982549858975760e1ffeb20ace7993cd17e3f6de277aa19d72ec5bf738ebc424e70283c
SSDEEP

384:E3eVES+/xwGkRKJilM61qmTTMVF9/q59m0:bGS+ZfbJiO8qYoAx

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"	b587a493f85453f0215f8a61d0666e24.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	b587a493f85453f0215f8a61d0666e24.exe

Enumerates processes with tasklist 1 TTPs 1 IoCs

Process Discovery

T1057

pid	Process
2664	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
1684	ipconfig.exe
2872	NETSTAT.EXE

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2664	tasklist.exe
Token: SeDebugPrivilege	2872	NETSTAT.EXE

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3008	b587a493f85453f0215f8a61d0666e24.exe
3008	b587a493f85453f0215f8a61d0666e24.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 3008 wrote to memory of 1744	3008	b587a493f85453f0215f8a61d0666e24.exe	28
PID 3008 wrote to memory of 1744	3008	b587a493f85453f0215f8a61d0666e24.exe	28
PID 3008 wrote to memory of 1744	3008	b587a493f85453f0215f8a61d0666e24.exe	28
PID 3008 wrote to memory of 1744	3008	b587a493f85453f0215f8a61d0666e24.exe	28
PID 1744 wrote to memory of 2052	1744	cmd.exe	30
PID 1744 wrote to memory of 2052	1744	cmd.exe	30
PID 1744 wrote to memory of 2052	1744	cmd.exe	30
PID 1744 wrote to memory of 2052	1744	cmd.exe	30
PID 1744 wrote to memory of 1684	1744	cmd.exe	31
PID 1744 wrote to memory of 1684	1744	cmd.exe	31
PID 1744 wrote to memory of 1684	1744	cmd.exe	31
PID 1744 wrote to memory of 1684	1744	cmd.exe	31
PID 1744 wrote to memory of 2664	1744	cmd.exe	32
PID 1744 wrote to memory of 2664	1744	cmd.exe	32
PID 1744 wrote to memory of 2664	1744	cmd.exe	32
PID 1744 wrote to memory of 2664	1744	cmd.exe	32
PID 1744 wrote to memory of 2724	1744	cmd.exe	34
PID 1744 wrote to memory of 2724	1744	cmd.exe	34
PID 1744 wrote to memory of 2724	1744	cmd.exe	34
PID 1744 wrote to memory of 2724	1744	cmd.exe	34
PID 2724 wrote to memory of 2440	2724	net.exe	35
PID 2724 wrote to memory of 2440	2724	net.exe	35
PID 2724 wrote to memory of 2440	2724	net.exe	35
PID 2724 wrote to memory of 2440	2724	net.exe	35
PID 1744 wrote to memory of 2872	1744	cmd.exe	36
PID 1744 wrote to memory of 2872	1744	cmd.exe	36
PID 1744 wrote to memory of 2872	1744	cmd.exe	36
PID 1744 wrote to memory of 2872	1744	cmd.exe	36

C:\Users\Admin\AppData\Local\Temp\b587a493f85453f0215f8a61d0666e24.exe
"C:\Users\Admin\AppData\Local\Temp\b587a493f85453f0215f8a61d0666e24.exe"
1⤵
- Adds Run key to start application
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3008
- 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:1744
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c set
    3⤵
    PID:2052
- - C:\Windows\SysWOW64\ipconfig.exe
    ipconfig /all
    3⤵
    - Gathers network information
    PID:1684
- - C:\Windows\SysWOW64\tasklist.exe
    tasklist
    3⤵
    - Enumerates processes with tasklist
    - Suspicious use of AdjustPrivilegeToken
    PID:2664
- - C:\Windows\SysWOW64\net.exe
    net start
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2724
  - - C:\Windows\SysWOW64\net1.exe
      C:\Windows\system32\net1 start
      4⤵
      PID:2440
- - C:\Windows\SysWOW64\NETSTAT.EXE
    netstat -an
    3⤵
    - Gathers network information
    - Suspicious use of AdjustPrivilegeToken
    PID:2872

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
47517f94a2230b3b58b339aec0084679

SHA1
8829d31ace4fb0119da348b33b0a8a8d6f9a8c62

SHA256
075e5798ee06cbd7bab8d64c75aec3d1d8066350b577b4b6a6cb3de3df339296

SHA512
19bf5fc3b70cd5798138b4dd2b25f0092c3b3e48d8a446491ff29d515ce1911a3a48eddd297c0fd2032a642e6727c1de1bf3519eee99ce2c291301b48fa012fe

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads