03ee5437a1dad818f417db18dd50e16bc08c890b442874d841cd1a6a643c4010

Analysis

max time kernel
147s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
03-04-2024 23:24

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General

Target

Loader.exe
Size

5.0MB
MD5

e9a24c7a42f9b296cc1e31dc3ea73b2b
SHA1

06e9607fb973400f0f110854ce90382965cd43d9
SHA256

03ee5437a1dad818f417db18dd50e16bc08c890b442874d841cd1a6a643c4010
SHA512

48af794e0042ce3cea37ff11e3f9b74d0a8e463018fc827d7ef459cc58252a5f436632c19b5d4674a6b54f02543005a294ef94f86d46d1ecff574ba6fab0464b
SSDEEP

98304:XrdCegVSGMzByLXMfivQayGnOht5RTc7kjRX1LNNDw7:waGMlyLXvvQdmmt5RTcGzLNe7

Score

7^/10

vmprotect

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2804	FNCHNR4IDT.exe

VMProtect packed file 3 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

resource	yara_rule
behavioral2/memory/1268-0-0x00007FF68BF80000-0x00007FF68C9A0000-memory.dmp	vmprotect
behavioral2/files/0x00080000000231f6-6.dat	vmprotect
behavioral2/memory/2804-8-0x00007FF79B340000-0x00007FF79BD60000-memory.dmp	vmprotect

Gathers network information 2 TTPs 3 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
1900	ipconfig.exe
2976	ipconfig.exe
2200	ipconfig.exe

Kills process with taskkill 2 IoCs

evasion

pid	Process
4708	taskkill.exe
4940	taskkill.exe

Runs net.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2136	PING.EXE

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4708	taskkill.exe
Token: SeDebugPrivilege	4940	taskkill.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1268	Loader.exe
2804	FNCHNR4IDT.exe

Suspicious use of WriteProcessMemory 46 IoCs

description	pid	Process	procid_target
PID 1268 wrote to memory of 1628	1268	Loader.exe	87
PID 1268 wrote to memory of 1628	1268	Loader.exe	87
PID 1628 wrote to memory of 3464	1628	cmd.exe	88
PID 1628 wrote to memory of 3464	1628	cmd.exe	88
PID 3464 wrote to memory of 4080	3464	net.exe	90
PID 3464 wrote to memory of 4080	3464	net.exe	90
PID 1268 wrote to memory of 4472	1268	Loader.exe	91
PID 1268 wrote to memory of 4472	1268	Loader.exe	91
PID 4472 wrote to memory of 4552	4472	cmd.exe	92
PID 4472 wrote to memory of 4552	4472	cmd.exe	92
PID 1268 wrote to memory of 4516	1268	Loader.exe	95
PID 1268 wrote to memory of 4516	1268	Loader.exe	95
PID 4516 wrote to memory of 4708	4516	cmd.exe	96
PID 4516 wrote to memory of 4708	4516	cmd.exe	96
PID 1268 wrote to memory of 4508	1268	Loader.exe	98
PID 1268 wrote to memory of 4508	1268	Loader.exe	98
PID 4508 wrote to memory of 2976	4508	cmd.exe	99
PID 4508 wrote to memory of 2976	4508	cmd.exe	99
PID 1268 wrote to memory of 4044	1268	Loader.exe	100
PID 1268 wrote to memory of 4044	1268	Loader.exe	100
PID 4044 wrote to memory of 2200	4044	cmd.exe	101
PID 4044 wrote to memory of 2200	4044	cmd.exe	101
PID 1268 wrote to memory of 2804	1268	Loader.exe	109
PID 1268 wrote to memory of 2804	1268	Loader.exe	109
PID 1268 wrote to memory of 1300	1268	Loader.exe	110
PID 1268 wrote to memory of 1300	1268	Loader.exe	110
PID 1300 wrote to memory of 2136	1300	cmd.exe	112
PID 1300 wrote to memory of 2136	1300	cmd.exe	112
PID 2804 wrote to memory of 3280	2804	FNCHNR4IDT.exe	113
PID 2804 wrote to memory of 3280	2804	FNCHNR4IDT.exe	113
PID 3280 wrote to memory of 1604	3280	cmd.exe	114
PID 3280 wrote to memory of 1604	3280	cmd.exe	114
PID 1604 wrote to memory of 2512	1604	net.exe	115
PID 1604 wrote to memory of 2512	1604	net.exe	115
PID 2804 wrote to memory of 2648	2804	FNCHNR4IDT.exe	116
PID 2804 wrote to memory of 2648	2804	FNCHNR4IDT.exe	116
PID 2648 wrote to memory of 3500	2648	cmd.exe	117
PID 2648 wrote to memory of 3500	2648	cmd.exe	117
PID 2804 wrote to memory of 1728	2804	FNCHNR4IDT.exe	118
PID 2804 wrote to memory of 1728	2804	FNCHNR4IDT.exe	118
PID 1728 wrote to memory of 4940	1728	cmd.exe	119
PID 1728 wrote to memory of 4940	1728	cmd.exe	119
PID 2804 wrote to memory of 2684	2804	FNCHNR4IDT.exe	120
PID 2804 wrote to memory of 2684	2804	FNCHNR4IDT.exe	120
PID 2684 wrote to memory of 1900	2684	cmd.exe	121
PID 2684 wrote to memory of 1900	2684	cmd.exe	121

C:\Users\Admin\AppData\Local\Temp\Loader.exe
"C:\Users\Admin\AppData\Local\Temp\Loader.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1268
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c net start w32time
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1628
- - C:\Windows\system32\net.exe
    net start w32time
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3464
  - - C:\Windows\system32\net1.exe
      C:\Windows\system32\net1 start w32time
      4⤵
      PID:4080
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c w32tm /resync /nowait
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4472
- - C:\Windows\system32\w32tm.exe
    w32tm /resync /nowait
    3⤵
    PID:4552
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c taskkill /IM RainbowSix.exe /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4516
- - C:\Windows\system32\taskkill.exe
    taskkill /IM RainbowSix.exe /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4708
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ipconfig /flushdns
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4508
- - C:\Windows\system32\ipconfig.exe
    ipconfig /flushdns
    3⤵
    - Gathers network information
    PID:2976
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ipconfig /flushdns
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4044
- - C:\Windows\system32\ipconfig.exe
    ipconfig /flushdns
    3⤵
    - Gathers network information
    PID:2200
- C:\Users\Admin\AppData\Local\Temp\FNCHNR4IDT.exe
  "C:\Users\Admin\AppData\Local\Temp\FNCHNR4IDT.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2804
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c net start w32time
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3280
  - - C:\Windows\system32\net.exe
      net start w32time
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1604
    - - C:\Windows\system32\net1.exe
        
        C:\Windows\system32\net1 start w32time
        5⤵
        
        PID:2512
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c w32tm /resync /nowait
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2648
  - - C:\Windows\system32\w32tm.exe
      w32tm /resync /nowait
      4⤵
      PID:3500
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c taskkill /IM RainbowSix.exe /f
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1728
  - - C:\Windows\system32\taskkill.exe
      taskkill /IM RainbowSix.exe /f
      4⤵
      Kills process with taskkill
      Suspicious use of AdjustPrivilegeToken
      PID:4940
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c ipconfig /flushdns
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2684
  - - C:\Windows\system32\ipconfig.exe
      ipconfig /flushdns
      4⤵
      Gathers network information
      PID:1900
- C:\Windows\SYSTEM32\cmd.exe
  cmd.exe /C ping 1.1.1.1 -n 1 -w 3000 > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\Loader.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1300
- - C:\Windows\system32\PING.EXE
    ping 1.1.1.1 -n 1 -w 3000
    3⤵
    - Runs ping.exe
    PID:2136

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\FNCHNR4IDT.exe

Filesize
5.0MB

MD5
ba0d6e436b6619c4c2001ba92a151a49

SHA1
52a4d81c782592a6836835fa589ffe3e09fa47c2

SHA256
01f32aef7f4f83abac53c93d5d4868135efc87e827d0265d7e908e569506166b

SHA512
fc4d5a33b3a33d5913743eebef5746808c48298043faf8fdb83c7541d647967e922518ef57b81958252186a50664b05c12db9adefdf33108cc7ded4a74801eb1

Download Submit
memory/1268-0-0x00007FF68BF80000-0x00007FF68C9A0000-memory.dmp

Filesize
10.1MB

Download
memory/2804-8-0x00007FF79B340000-0x00007FF79BD60000-memory.dmp

Filesize
10.1MB

Download