2c0fba171cec0f5ac33dcbc8e4795f5010e7b6a4e03ff8170e8154f2fd01df9a

Analysis

max time kernel
149s
max time network
133s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
20/05/2023, 14:53

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General

Target

BankTransferForm.exe
Size

1.8MB
MD5

ff0a76b16c5a361efc8bcf2b93929cb5
SHA1

4382dae58d310e2a0017f67695ba35ab6f52ba52
SHA256

2c0fba171cec0f5ac33dcbc8e4795f5010e7b6a4e03ff8170e8154f2fd01df9a
SHA512

7338c36634dbedbfc4360789e9a3f28eee8eb3bae60b9eaa3ca50d04f61febdc0262f642c4d17d2166948546d866645652c450dbfcb193eaa81057b733df9bb1
SSDEEP

12288:47uix2TBXVnBGw4I/6QTdp7lRpIlfMer5iiTvdyPlIjCR8NMXzpUl3Gg4i3+u2Qc:56XMXzIr4hu2DHh

Score

10^/10

persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2548970870-3691742953-3895070203-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\Users\\Admin\\AppData\\Local\\atg.exe,"	reg.exe

Executes dropped EXE 1 IoCs

pid	Process
4500	atg.exe

Runs ping.exe 1 TTPs 3 IoCs

Remote System Discovery

T1018

pid	Process
4424	PING.EXE
3364	PING.EXE
3836	PING.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
744	BankTransferForm.exe
744	BankTransferForm.exe
744	BankTransferForm.exe
744	BankTransferForm.exe
744	BankTransferForm.exe
744	BankTransferForm.exe
744	BankTransferForm.exe
744	BankTransferForm.exe
744	BankTransferForm.exe
744	BankTransferForm.exe
744	BankTransferForm.exe
744	BankTransferForm.exe
744	BankTransferForm.exe
744	BankTransferForm.exe
744	BankTransferForm.exe
744	BankTransferForm.exe
744	BankTransferForm.exe
744	BankTransferForm.exe
744	BankTransferForm.exe
744	BankTransferForm.exe
744	BankTransferForm.exe
744	BankTransferForm.exe
744	BankTransferForm.exe
744	BankTransferForm.exe
744	BankTransferForm.exe
744	BankTransferForm.exe
744	BankTransferForm.exe
744	BankTransferForm.exe
744	BankTransferForm.exe
744	BankTransferForm.exe
744	BankTransferForm.exe
744	BankTransferForm.exe
744	BankTransferForm.exe
744	BankTransferForm.exe
744	BankTransferForm.exe
744	BankTransferForm.exe
744	BankTransferForm.exe
744	BankTransferForm.exe
744	BankTransferForm.exe
744	BankTransferForm.exe
744	BankTransferForm.exe
744	BankTransferForm.exe
744	BankTransferForm.exe
744	BankTransferForm.exe
744	BankTransferForm.exe
744	BankTransferForm.exe
744	BankTransferForm.exe
744	BankTransferForm.exe
744	BankTransferForm.exe
744	BankTransferForm.exe
744	BankTransferForm.exe
744	BankTransferForm.exe
744	BankTransferForm.exe
744	BankTransferForm.exe
744	BankTransferForm.exe
744	BankTransferForm.exe
744	BankTransferForm.exe
744	BankTransferForm.exe
744	BankTransferForm.exe
744	BankTransferForm.exe
744	BankTransferForm.exe
744	BankTransferForm.exe
744	BankTransferForm.exe
744	BankTransferForm.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	744	BankTransferForm.exe
Token: SeDebugPrivilege	4500	atg.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 744 wrote to memory of 1772	744	BankTransferForm.exe	84
PID 744 wrote to memory of 1772	744	BankTransferForm.exe	84
PID 744 wrote to memory of 1772	744	BankTransferForm.exe	84
PID 1772 wrote to memory of 4424	1772	cmd.exe	86
PID 1772 wrote to memory of 4424	1772	cmd.exe	86
PID 1772 wrote to memory of 4424	1772	cmd.exe	86
PID 744 wrote to memory of 32	744	BankTransferForm.exe	88
PID 744 wrote to memory of 32	744	BankTransferForm.exe	88
PID 744 wrote to memory of 32	744	BankTransferForm.exe	88
PID 32 wrote to memory of 3364	32	cmd.exe	90
PID 32 wrote to memory of 3364	32	cmd.exe	90
PID 32 wrote to memory of 3364	32	cmd.exe	90
PID 1772 wrote to memory of 3408	1772	cmd.exe	91
PID 1772 wrote to memory of 3408	1772	cmd.exe	91
PID 1772 wrote to memory of 3408	1772	cmd.exe	91
PID 32 wrote to memory of 3836	32	cmd.exe	92
PID 32 wrote to memory of 3836	32	cmd.exe	92
PID 32 wrote to memory of 3836	32	cmd.exe	92
PID 32 wrote to memory of 4500	32	cmd.exe	100
PID 32 wrote to memory of 4500	32	cmd.exe	100
PID 32 wrote to memory of 4500	32	cmd.exe	100

C:\Users\Admin\AppData\Local\Temp\BankTransferForm.exe
"C:\Users\Admin\AppData\Local\Temp\BankTransferForm.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:744
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c ping 127.0.0.1 -n 38 > nul && REG ADD "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /f /v "Shell" /t REG_SZ /d "explorer.exe,C:\Users\Admin\AppData\Local\atg.exe,"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1772
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 38
    3⤵
    - Runs ping.exe
    PID:4424
- - C:\Windows\SysWOW64\reg.exe
    REG ADD "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /f /v "Shell" /t REG_SZ /d "explorer.exe,C:\Users\Admin\AppData\Local\atg.exe,"
    3⤵
    - Modifies WinLogon for persistence
    PID:3408
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c ping 127.0.0.1 -n 45 > nul && copy "C:\Users\Admin\AppData\Local\Temp\BankTransferForm.exe" "C:\Users\Admin\AppData\Local\atg.exe" && ping 127.0.0.1 -n 45 > nul && "C:\Users\Admin\AppData\Local\atg.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:32
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 45
    3⤵
    - Runs ping.exe
    PID:3364
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 45
    3⤵
    - Runs ping.exe
    PID:3836
- - C:\Users\Admin\AppData\Local\atg.exe
    "C:\Users\Admin\AppData\Local\atg.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:4500

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

T1004

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Remote System Discovery

T1018

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\atg.exe

Filesize
1.8MB

MD5
ff0a76b16c5a361efc8bcf2b93929cb5

SHA1
4382dae58d310e2a0017f67695ba35ab6f52ba52

SHA256
2c0fba171cec0f5ac33dcbc8e4795f5010e7b6a4e03ff8170e8154f2fd01df9a

SHA512
7338c36634dbedbfc4360789e9a3f28eee8eb3bae60b9eaa3ca50d04f61febdc0262f642c4d17d2166948546d866645652c450dbfcb193eaa81057b733df9bb1

Download Submit
C:\Users\Admin\AppData\Local\atg.exe

Filesize
1.8MB

MD5
ff0a76b16c5a361efc8bcf2b93929cb5

SHA1
4382dae58d310e2a0017f67695ba35ab6f52ba52

SHA256
2c0fba171cec0f5ac33dcbc8e4795f5010e7b6a4e03ff8170e8154f2fd01df9a

SHA512
7338c36634dbedbfc4360789e9a3f28eee8eb3bae60b9eaa3ca50d04f61febdc0262f642c4d17d2166948546d866645652c450dbfcb193eaa81057b733df9bb1

Download Submit
memory/744-143-0x0000000006520000-0x0000000006530000-memory.dmp

Filesize
64KB

Download
memory/744-144-0x0000000006520000-0x0000000006530000-memory.dmp

Filesize
64KB

Download
memory/744-137-0x0000000006520000-0x0000000006530000-memory.dmp

Filesize
64KB

Download
memory/744-138-0x00000000075A0000-0x00000000075AA000-memory.dmp

Filesize
40KB

Download
memory/744-139-0x0000000006520000-0x0000000006530000-memory.dmp

Filesize
64KB

Download
memory/744-140-0x0000000006520000-0x0000000006530000-memory.dmp

Filesize
64KB

Download
memory/744-141-0x0000000006520000-0x0000000006530000-memory.dmp

Filesize
64KB

Download
memory/744-142-0x0000000006520000-0x0000000006530000-memory.dmp

Filesize
64KB

Download
memory/744-133-0x0000000000BC0000-0x0000000000D98000-memory.dmp

Filesize
1.8MB

Download
memory/744-136-0x00000000057B0000-0x0000000005842000-memory.dmp

Filesize
584KB

Download
memory/744-145-0x0000000006520000-0x0000000006530000-memory.dmp

Filesize
64KB

Download
memory/744-135-0x0000000005CC0000-0x0000000006264000-memory.dmp

Filesize
5.6MB

Download
memory/744-134-0x0000000005650000-0x00000000056EC000-memory.dmp

Filesize
624KB

Download
memory/4500-152-0x00000000006F0000-0x00000000008C8000-memory.dmp

Filesize
1.8MB

Download
memory/4500-153-0x0000000005E20000-0x0000000005E30000-memory.dmp

Filesize
64KB

Download
memory/4500-154-0x0000000005E20000-0x0000000005E30000-memory.dmp

Filesize
64KB

Download
memory/4500-155-0x0000000005E20000-0x0000000005E30000-memory.dmp

Filesize
64KB

Download
memory/4500-156-0x0000000005E20000-0x0000000005E30000-memory.dmp

Filesize
64KB

Download
memory/4500-157-0x0000000005E20000-0x0000000005E30000-memory.dmp

Filesize
64KB

Download
memory/4500-158-0x0000000005E20000-0x0000000005E30000-memory.dmp

Filesize
64KB

Download