db8eb8347ed084c3ee3707ad032743e350157abcaf2817e5f15777b20c554b7f

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23-02-2023 13:58

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23-02-2023 13:58

30-01-2023 00:58

15-01-2023 07:31

15-01-2023 07:28

15-01-2023 01:34

Analysis

max time kernel
502s
max time network
559s
platform
windows10-2004_x64
resource
win10v2004-20221111-es
resource tags

arch:x64arch:x86image:win10v2004-20221111-eslocale:es-esos:windows10-2004-x64systemwindows
submitted
15-01-2023 01:34

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General

Target

working_attack.7z
Size

925KB
MD5

79c2ac9fb282708c97b2622b1dcf8428
SHA1

bbfeb1b3a9379ca5fd894b8c5afa0b95f5eef1b7
SHA256

db8eb8347ed084c3ee3707ad032743e350157abcaf2817e5f15777b20c554b7f
SHA512

2334c5568ec148985245936d8301e8677b0d6b9809943f1c705ab80572be150d598525df205b8902f8739322f1faa42eb52087048cf57164311002a8e32d2f5f
SSDEEP

24576:y7zYd9xdNsC/TbVTUGTL/g5zXCXPukSSw1hSD6xTBeJw6HXss5:ezY3bWYTUkhhSSuhS0G3s8

Score

10^/10

evasion spyware trojan

Malware Config

Signatures

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1088

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	jsc.exe

Executes dropped EXE 1 IoCs

pid	Process
4664	45.exe

Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081
Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
86	eth0.me

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4664 set thread context of 4984	4664	45.exe	105

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

System Information Discovery
T1082

Kills process with taskkill 1 IoCs

evasion

pid	Process
4340	taskkill.exe

Modifies registry class 36 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings	45.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\4\Shell	45.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\4\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\IconSize = "16"	45.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\1\0\NodeSlot = "4"	45.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\4\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\Sort = 000000000000000000000000000000000100000030f125b7ef471a10a5f102608c9eebac0a00000001000000	45.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\4\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByKey:FMTID = "{00000000-0000-0000-0000-000000000000}"	45.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	45.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0	45.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\1 = 14002e803accbfb42cdb4c42b0297fe99a87c6410000	45.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\4\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByDirection = "1"	45.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 020202	45.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	45.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\4\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\LogicalViewMode = "1"	45.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\1\0 = 66003100000000002f5667141000574f524b494e7e3100004e0009000400efbe2f5667142f5668142e000000982e0200000007000000000000000000000000000000449c100077006f0072006b0069006e0067005f00610074007400610063006b00000018000000	45.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02020202	45.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\4\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\FFlags = "1"	45.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 0100000000000000ffffffff	45.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell	45.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\4\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\ColInfo = 00000000000000000000000000000000fddfdffd100000000000000000000000040000001800000030f125b7ef471a10a5f102608c9eebac0a0000001001000030f125b7ef471a10a5f102608c9eebac0e0000009000000030f125b7ef471a10a5f102608c9eebac040000007800000030f125b7ef471a10a5f102608c9eebac0c00000050000000	45.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\4\Shell\SniffedFolderType = "Generic"	45.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\4\ComDlg	45.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\4\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\Mode = "4"	45.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\4\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\FFlags = "1092616257"	45.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\4\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByKey:PID = "0"	45.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\1	45.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\1\0	45.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\1\MRUListEx = 00000000ffffffff	45.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags	45.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\4	45.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	45.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\4\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}	45.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\4\ComDlg\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupView = "0"	45.exe
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings	cmd.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 0000000001000000ffffffff	45.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\1\0\MRUListEx = ffffffff	45.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
4664	45.exe
4664	45.exe
4664	45.exe
4664	45.exe
4664	45.exe
4664	45.exe
4664	45.exe
4664	45.exe
4984	jsc.exe
4984	jsc.exe
4984	jsc.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: 33	3740	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	3740	AUDIODG.EXE
Token: SeRestorePrivilege	2200	7zG.exe
Token: 35	2200	7zG.exe
Token: SeSecurityPrivilege	2200	7zG.exe
Token: SeSecurityPrivilege	2200	7zG.exe
Token: SeDebugPrivilege	4984	jsc.exe
Token: SeDebugPrivilege	4340	taskkill.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2200	7zG.exe
4664	45.exe
4664	45.exe
4664	45.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
4664	45.exe
4664	45.exe
4664	45.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
5108	OpenWith.exe
4664	45.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4664 wrote to memory of 4984	4664	45.exe	105
PID 4664 wrote to memory of 4984	4664	45.exe	105
PID 4664 wrote to memory of 4984	4664	45.exe	105
PID 4664 wrote to memory of 4984	4664	45.exe	105
PID 4664 wrote to memory of 4984	4664	45.exe	105
PID 4984 wrote to memory of 4340	4984	jsc.exe	106
PID 4984 wrote to memory of 4340	4984	jsc.exe	106
PID 4984 wrote to memory of 4340	4984	jsc.exe	106

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\working_attack.7z
1⤵
- Modifies registry class
PID:4276

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:5108

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x330 0x244
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3740

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:2588

C:\Program Files\7-Zip\7zG.exe
"C:\Program Files\7-Zip\7zG.exe" x -o"C:\Users\Admin\Desktop\working_attack\" -spe -an -ai#7zMap7305:84:7zEvent15511
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:2200

C:\Users\Admin\Desktop\working_attack\45.exe
"C:\Users\Admin\Desktop\working_attack\45.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4664
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
  2⤵
  - UAC bypass
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4984
- - C:\Windows\SysWOW64\taskkill.exe
    "taskkill.exe" /im chrome.exe /f
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:4340

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Bypass User Account Control

T1088

Defense Evasion

Bypass User Account Control

T1088

Disabling Security Tools

T1089

Modify Registry

T1112

Web Service

T1102

Credential Access

Credentials in Files

T1081

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\Desktop\working_attack\45.exe

Filesize
872KB

MD5
c56b5f0201a3b3de53e561fe76912bfd

SHA1
2a4062e10a5de813f5688221dbeb3f3ff33eb417

SHA256
237d1bca6e056df5bb16a1216a434634109478f882d3b1d58344c801d184f95d

SHA512
195b98245bb820085ae9203cdb6d470b749d1f228908093e8606453b027b7d7681ccd7952e30c2f5dd40f8f0b999ccfc60ebb03419b574c08de6816e75710d2c

Download Submit
C:\Users\Admin\Desktop\working_attack\S.a3x

Filesize
1.5MB

MD5
536073c3748e4eb7bbee303547b7227d

SHA1
4397b1d855e799f4d38467a848cda2273c1c6c73

SHA256
8e289b8dfc7e4994d808ef79a88adb513365177604fe587f6efa812f284e21a3

SHA512
3b1e1c853c362770a4ddcc4c7b3b932f9adf9db006bf649266a1b0c9c6c7b0afb7f0cd5687f672ed58908c9af8b56a830888b6f30defb97297cbde8de18f7651

Download Submit
memory/4984-141-0x00000000064F0000-0x0000000006566000-memory.dmp

Filesize
472KB

Download
memory/4984-143-0x0000000007130000-0x000000000714E000-memory.dmp

Filesize
120KB

Download
memory/4984-138-0x0000000005910000-0x00000000059A2000-memory.dmp

Filesize
584KB

Download
memory/4984-139-0x0000000005890000-0x00000000058F6000-memory.dmp

Filesize
408KB

Download
memory/4984-140-0x0000000007170000-0x0000000007332000-memory.dmp

Filesize
1.8MB

Download
memory/4984-135-0x0000000001200000-0x00000000012A6000-memory.dmp

Filesize
664KB

Download
memory/4984-142-0x0000000007870000-0x0000000007D9C000-memory.dmp

Filesize
5.2MB

Download
memory/4984-137-0x0000000005DC0000-0x0000000006364000-memory.dmp

Filesize
5.6MB

Download
memory/4984-144-0x00000000076E0000-0x00000000077E2000-memory.dmp

Filesize
1.0MB

Download
memory/4984-145-0x00000000080A0000-0x00000000080B2000-memory.dmp

Filesize
72KB

Download
memory/4984-146-0x0000000008100000-0x000000000813C000-memory.dmp

Filesize
240KB

Download
memory/4984-147-0x00000000084C0000-0x00000000084E0000-memory.dmp

Filesize
128KB

Download
memory/4984-149-0x0000000008560000-0x00000000085B0000-memory.dmp

Filesize
320KB

Download