kpot | b88b31331d88660942f7244d6dd3e10006fcef7c71ad6ecaa91b6ef3d98587cf

Analysis

max time kernel
135s
max time network
120s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
05/05/2024, 03:34

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General

Target
b88b31331d88660942f7244d6dd3e10006fcef7c71ad6ecaa91b6ef3d98587cf.exe
Size 1.3MB
Sample240505-d45vtsdf6s
SHA256 b88b31331d88660942f7244d6dd3e10006fcef7c71ad6ecaa91b6ef3d98587cf
MD5 39bc32190952310708a7fe023e985ec5
SHA1 347066cc8105f3c1a602962a931ced30e7a80694
SHA512 9295d725e06acb21e9445d61ee71404b0e8059862604dc819df1405e53567243cd0f3c67f47f809f9cbdebec0e03ddb7b19e8a24eca3c54773ec394c393771ea
SSDEEP 24576:zQ5aILMCfmAUjzX6gfU1pjwjbsXhmvZssrD+nRgnf4NvlOSMOR:E5aIwC+Agr6g81p1vsrNiv
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

kpot trickbot banker evasion execution stealer trojan

Malware Config

Signatures

KPOT
KPOT is an information stealer that steals user data and account credentials.
trojan stealer kpot

KPOT Core Executable 1 IoCs

resource	yara_rule
behavioral1/files/0x0007000000015662-20.dat	family_kpot

Trickbot
Developed in 2016, TrickBot is one of the more recent banking Trojans.
trojan banker trickbot

Trickbot x86 loader 1 IoCs

Detected Trickbot's x86 loader that unpacks the x86 payload.

resource	yara_rule
behavioral1/memory/2784-15-0x0000000000310000-0x0000000000339000-memory.dmp	trickbot_loader32

Stops running service(s) 4 TTPs
evasion execution

Windows Service
T1543.003

Impair Defenses
T1562

Service Stop
T1489

Service Execution
T1569.002

Executes dropped EXE 3 IoCs

pid	Process
2640	b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe
876	b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe
2044	b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe

Loads dropped DLL 2 IoCs

pid	Process
2784	b88b31331d88660942f7244d6dd3e10006fcef7c71ad6ecaa91b6ef3d98587cf.exe
2784	b88b31331d88660942f7244d6dd3e10006fcef7c71ad6ecaa91b6ef3d98587cf.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk	powershell.exe

Launches sc.exe 2 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
2580	sc.exe
2584	sc.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2784	b88b31331d88660942f7244d6dd3e10006fcef7c71ad6ecaa91b6ef3d98587cf.exe
2784	b88b31331d88660942f7244d6dd3e10006fcef7c71ad6ecaa91b6ef3d98587cf.exe
2784	b88b31331d88660942f7244d6dd3e10006fcef7c71ad6ecaa91b6ef3d98587cf.exe
2336	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2336	powershell.exe
Token: SeTcbPrivilege	876	b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe
Token: SeTcbPrivilege	2044	b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2784	b88b31331d88660942f7244d6dd3e10006fcef7c71ad6ecaa91b6ef3d98587cf.exe
2640	b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe
876	b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe
2044	b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2784 wrote to memory of 2920	2784	b88b31331d88660942f7244d6dd3e10006fcef7c71ad6ecaa91b6ef3d98587cf.exe	28
PID 2784 wrote to memory of 2920	2784	b88b31331d88660942f7244d6dd3e10006fcef7c71ad6ecaa91b6ef3d98587cf.exe	28
PID 2784 wrote to memory of 2920	2784	b88b31331d88660942f7244d6dd3e10006fcef7c71ad6ecaa91b6ef3d98587cf.exe	28
PID 2784 wrote to memory of 2920	2784	b88b31331d88660942f7244d6dd3e10006fcef7c71ad6ecaa91b6ef3d98587cf.exe	28
PID 2784 wrote to memory of 2524	2784	b88b31331d88660942f7244d6dd3e10006fcef7c71ad6ecaa91b6ef3d98587cf.exe	29
PID 2784 wrote to memory of 2524	2784	b88b31331d88660942f7244d6dd3e10006fcef7c71ad6ecaa91b6ef3d98587cf.exe	29
PID 2784 wrote to memory of 2524	2784	b88b31331d88660942f7244d6dd3e10006fcef7c71ad6ecaa91b6ef3d98587cf.exe	29
PID 2784 wrote to memory of 2524	2784	b88b31331d88660942f7244d6dd3e10006fcef7c71ad6ecaa91b6ef3d98587cf.exe	29
PID 2784 wrote to memory of 2540	2784	b88b31331d88660942f7244d6dd3e10006fcef7c71ad6ecaa91b6ef3d98587cf.exe	32
PID 2784 wrote to memory of 2540	2784	b88b31331d88660942f7244d6dd3e10006fcef7c71ad6ecaa91b6ef3d98587cf.exe	32
PID 2784 wrote to memory of 2540	2784	b88b31331d88660942f7244d6dd3e10006fcef7c71ad6ecaa91b6ef3d98587cf.exe	32
PID 2784 wrote to memory of 2540	2784	b88b31331d88660942f7244d6dd3e10006fcef7c71ad6ecaa91b6ef3d98587cf.exe	32
PID 2784 wrote to memory of 2640	2784	b88b31331d88660942f7244d6dd3e10006fcef7c71ad6ecaa91b6ef3d98587cf.exe	34
PID 2784 wrote to memory of 2640	2784	b88b31331d88660942f7244d6dd3e10006fcef7c71ad6ecaa91b6ef3d98587cf.exe	34
PID 2784 wrote to memory of 2640	2784	b88b31331d88660942f7244d6dd3e10006fcef7c71ad6ecaa91b6ef3d98587cf.exe	34
PID 2784 wrote to memory of 2640	2784	b88b31331d88660942f7244d6dd3e10006fcef7c71ad6ecaa91b6ef3d98587cf.exe	34
PID 2920 wrote to memory of 2584	2920	cmd.exe	35
PID 2920 wrote to memory of 2584	2920	cmd.exe	35
PID 2920 wrote to memory of 2584	2920	cmd.exe	35
PID 2920 wrote to memory of 2584	2920	cmd.exe	35
PID 2524 wrote to memory of 2580	2524	cmd.exe	36
PID 2524 wrote to memory of 2580	2524	cmd.exe	36
PID 2524 wrote to memory of 2580	2524	cmd.exe	36
PID 2524 wrote to memory of 2580	2524	cmd.exe	36
PID 2540 wrote to memory of 2336	2540	cmd.exe	37
PID 2540 wrote to memory of 2336	2540	cmd.exe	37
PID 2540 wrote to memory of 2336	2540	cmd.exe	37
PID 2540 wrote to memory of 2336	2540	cmd.exe	37
PID 2640 wrote to memory of 1868	2640	b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe	38
PID 2640 wrote to memory of 1868	2640	b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe	38
PID 2640 wrote to memory of 1868	2640	b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe	38
PID 2640 wrote to memory of 1868	2640	b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe	38
PID 2640 wrote to memory of 1868	2640	b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe	38
PID 2640 wrote to memory of 1868	2640	b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe	38
PID 2640 wrote to memory of 1868	2640	b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe	38
PID 2640 wrote to memory of 1868	2640	b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe	38
PID 2640 wrote to memory of 1868	2640	b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe	38
PID 2640 wrote to memory of 1868	2640	b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe	38
PID 2640 wrote to memory of 1868	2640	b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe	38
PID 2640 wrote to memory of 1868	2640	b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe	38
PID 2640 wrote to memory of 1868	2640	b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe	38
PID 2640 wrote to memory of 1868	2640	b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe	38
PID 2640 wrote to memory of 1868	2640	b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe	38
PID 2640 wrote to memory of 1868	2640	b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe	38
PID 2640 wrote to memory of 1868	2640	b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe	38
PID 2640 wrote to memory of 1868	2640	b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe	38
PID 2640 wrote to memory of 1868	2640	b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe	38
PID 2640 wrote to memory of 1868	2640	b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe	38
PID 2640 wrote to memory of 1868	2640	b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe	38
PID 2640 wrote to memory of 1868	2640	b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe	38
PID 2640 wrote to memory of 1868	2640	b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe	38
PID 2640 wrote to memory of 1868	2640	b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe	38
PID 2640 wrote to memory of 1868	2640	b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe	38
PID 2640 wrote to memory of 1868	2640	b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe	38
PID 2640 wrote to memory of 1868	2640	b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe	38
PID 2640 wrote to memory of 1868	2640	b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe	38
PID 1656 wrote to memory of 876	1656	taskeng.exe	42
PID 1656 wrote to memory of 876	1656	taskeng.exe	42
PID 1656 wrote to memory of 876	1656	taskeng.exe	42
PID 1656 wrote to memory of 876	1656	taskeng.exe	42
PID 876 wrote to memory of 3036	876	b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe	43
PID 876 wrote to memory of 3036	876	b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe	43
PID 876 wrote to memory of 3036	876	b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe	43
PID 876 wrote to memory of 3036	876	b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe	43

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\b88b31331d88660942f7244d6dd3e10006fcef7c71ad6ecaa91b6ef3d98587cf.exe
"C:\Users\Admin\AppData\Local\Temp\b88b31331d88660942f7244d6dd3e10006fcef7c71ad6ecaa91b6ef3d98587cf.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2784
- C:\Windows\SysWOW64\cmd.exe
  /c sc stop WinDefend
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2920
- - C:\Windows\SysWOW64\sc.exe
    sc stop WinDefend
    3⤵
    - Launches sc.exe
    PID:2584
- C:\Windows\SysWOW64\cmd.exe
  /c sc delete WinDefend
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2524
- - C:\Windows\SysWOW64\sc.exe
    sc delete WinDefend
    3⤵
    - Launches sc.exe
    PID:2580
- C:\Windows\SysWOW64\cmd.exe
  /c powershell Set-MpPreference -DisableRealtimeMonitoring $true
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2540
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell Set-MpPreference -DisableRealtimeMonitoring $true
    3⤵
    - Drops file in System32 directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2336
- C:\Users\Admin\AppData\Roaming\WinSocket\b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe
  C:\Users\Admin\AppData\Roaming\WinSocket\b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2640
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:1868

C:\Windows\system32\taskeng.exe
taskeng.exe {E990C7F7-A8B3-49A4-959D-8359DE37F7A4} S-1-5-18:NT AUTHORITY\System:Service:
1⤵
- Suspicious use of WriteProcessMemory
PID:1656
- C:\Users\Admin\AppData\Roaming\WinSocket\b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe
  C:\Users\Admin\AppData\Roaming\WinSocket\b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:876
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:3036
- C:\Users\Admin\AppData\Roaming\WinSocket\b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe
  C:\Users\Admin\AppData\Roaming\WinSocket\b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2044
- - C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe
    3⤵
    PID:1680

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

T1569

Service Execution

T1569.002

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

T1489

Replay Monitor

Loading Replay Monitor...

Downloads

b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe

Path \Users\Admin\AppData\Roaming\WinSocket\b99b31331d99770942f8244d7dd3e10007fcef8c81ad7ecaa91b7ef3d99698cf.exe
Size 1.3MB
SHA256 b88b31331d88660942f7244d6dd3e10006fcef7c71ad6ecaa91b6ef3d98587cf
MD5 39bc32190952310708a7fe023e985ec5
SHA1 347066cc8105f3c1a602962a931ced30e7a80694
SHA512 9295d725e06acb21e9445d61ee71404b0e8059862604dc819df1405e53567243cd0f3c67f47f809f9cbdebec0e03ddb7b19e8a24eca3c54773ec394c393771ea
SSDEEP 24576:zQ5aILMCfmAUjzX6gfU1pjwjbsXhmvZssrD+nRgnf4NvlOSMOR:E5aIwC+Agr6g81p1vsrNiv
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1868-50-0x0000000010000000-0x000000001001E000-memory.dmp

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memory/1868-55-0x0000000000060000-0x0000000000061000-memory.dmp

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memory/1868-51-0x0000000010000000-0x000000001001E000-memory.dmp

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memory/2640-45-0x0000000010000000-0x0000000010007000-memory.dmp

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memory/2640-44-0x0000000000400000-0x0000000000472000-memory.dmp

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memory/2784-14-0x0000000000270000-0x0000000000271000-memory.dmp

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memory/2784-15-0x0000000000310000-0x0000000000339000-memory.dmp

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memory/2784-12-0x0000000000270000-0x0000000000271000-memory.dmp

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memory/2784-13-0x0000000000270000-0x0000000000271000-memory.dmp

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memory/2784-3-0x0000000000270000-0x0000000000271000-memory.dmp

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memory/2784-11-0x0000000000270000-0x0000000000271000-memory.dmp

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memory/2784-10-0x0000000000270000-0x0000000000271000-memory.dmp

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memory/2784-6-0x0000000000270000-0x0000000000271000-memory.dmp

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memory/2784-18-0x0000000000400000-0x0000000000472000-memory.dmp

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memory/2784-17-0x0000000000421000-0x0000000000422000-memory.dmp

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memory/2784-7-0x0000000000270000-0x0000000000271000-memory.dmp

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memory/2784-8-0x0000000000270000-0x0000000000271000-memory.dmp

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memory/2784-9-0x0000000000270000-0x0000000000271000-memory.dmp

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memory/2784-2-0x0000000000270000-0x0000000000271000-memory.dmp

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memory/2784-4-0x0000000000270000-0x0000000000271000-memory.dmp

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memory/2784-5-0x0000000000270000-0x0000000000271000-memory.dmp

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