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11-12-2023 15:39
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231205-e34f2shb9w 10Analysis
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max time kernel
25s -
max time network
34s -
platform
windows7_x64 -
resource
win7-20231023-en -
resource tags
arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system -
submitted
05-12-2023 04:28
Static task
static1
Behavioral task
behavioral1
Sample
dac.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
dac.exe
Resource
win10-20231020-en
Behavioral task
behavioral3
Sample
dac.exe
Resource
win10v2004-20231127-en
Behavioral task
behavioral4
Sample
dac.exe
Resource
win11-20231129-en
General
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Target
dac.exe
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Size
22.6MB
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MD5
111983bd0209f1541e9d1ee618be1c45
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SHA1
cf15e95ad616bbf3b806b0f6b7290cc14c6b557e
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SHA256
af582ce1d3bbc2d9201c81a058203e96f81087433b80ddd85f8eb1a66faa8d31
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SHA512
6c1e810557acffc3c10213aa663b7527f4808b418e80c3c5610a5489994138236457aad1ffd28861b912add0aaa66053a4cdac2b3a47167d075f8e9b2d592511
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SSDEEP
393216:oHqEnUyriULZiXg6LPmmG3z7z/wQ74cZd060stbgB7OrowyVm9fC8:fXyriULZikmG3zP/p748d0LsqB7uyI48
Malware Config
Signatures
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Processes:
reg.exereg.exereg.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" reg.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" reg.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0" reg.exe -
Executes dropped EXE 1 IoCs
Processes:
AliWorkbench.exepid process 1056 AliWorkbench.exe -
Loads dropped DLL 1 IoCs
Processes:
AliWorkbench.exepid process 1056 AliWorkbench.exe -
Processes:
resource yara_rule behavioral1/memory/2180-0-0x0000000180000000-0x0000000180033000-memory.dmp upx behavioral1/memory/2180-3-0x0000000180000000-0x0000000180033000-memory.dmp upx behavioral1/memory/2180-2-0x0000000180000000-0x0000000180033000-memory.dmp upx behavioral1/memory/2180-1-0x0000000180000000-0x0000000180033000-memory.dmp upx behavioral1/memory/2180-4-0x0000000180000000-0x0000000180033000-memory.dmp upx behavioral1/memory/2180-5-0x0000000180000000-0x0000000180033000-memory.dmp upx behavioral1/memory/2180-29-0x0000000180000000-0x0000000180033000-memory.dmp upx behavioral1/memory/2180-47-0x0000000180000000-0x0000000180033000-memory.dmp upx -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Processes:
dac.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436 dac.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436\Blob = 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 dac.exe -
Suspicious use of AdjustPrivilegeToken 13 IoCs
Processes:
dac.exemmc.exemmc.exemmc.exedescription pid process Token: SeShutdownPrivilege 2180 dac.exe Token: 33 2304 mmc.exe Token: SeIncBasePriorityPrivilege 2304 mmc.exe Token: 33 2304 mmc.exe Token: SeIncBasePriorityPrivilege 2304 mmc.exe Token: 33 2772 mmc.exe Token: SeIncBasePriorityPrivilege 2772 mmc.exe Token: 33 2772 mmc.exe Token: SeIncBasePriorityPrivilege 2772 mmc.exe Token: 33 2224 mmc.exe Token: SeIncBasePriorityPrivilege 2224 mmc.exe Token: 33 2224 mmc.exe Token: SeIncBasePriorityPrivilege 2224 mmc.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
dac.exemmc.exemmc.exemmc.exepid process 2180 dac.exe 2180 dac.exe 2304 mmc.exe 2304 mmc.exe 2772 mmc.exe 2772 mmc.exe 2224 mmc.exe 2224 mmc.exe -
Suspicious use of WriteProcessMemory 25 IoCs
Processes:
mmc.exemmc.exedac.execmd.exemmc.exedescription pid process target process PID 2304 wrote to memory of 2732 2304 mmc.exe netsh.exe PID 2304 wrote to memory of 2732 2304 mmc.exe netsh.exe PID 2304 wrote to memory of 2732 2304 mmc.exe netsh.exe PID 2772 wrote to memory of 2696 2772 mmc.exe netsh.exe PID 2772 wrote to memory of 2696 2772 mmc.exe netsh.exe PID 2772 wrote to memory of 2696 2772 mmc.exe netsh.exe PID 2180 wrote to memory of 2768 2180 dac.exe cmd.exe PID 2180 wrote to memory of 2768 2180 dac.exe cmd.exe PID 2180 wrote to memory of 2768 2180 dac.exe cmd.exe PID 2768 wrote to memory of 2988 2768 cmd.exe reg.exe PID 2768 wrote to memory of 2988 2768 cmd.exe reg.exe PID 2768 wrote to memory of 2988 2768 cmd.exe reg.exe PID 2768 wrote to memory of 1152 2768 cmd.exe reg.exe PID 2768 wrote to memory of 1152 2768 cmd.exe reg.exe PID 2768 wrote to memory of 1152 2768 cmd.exe reg.exe PID 2768 wrote to memory of 2488 2768 cmd.exe reg.exe PID 2768 wrote to memory of 2488 2768 cmd.exe reg.exe PID 2768 wrote to memory of 2488 2768 cmd.exe reg.exe PID 2180 wrote to memory of 1996 2180 dac.exe cmd.exe PID 2180 wrote to memory of 1996 2180 dac.exe cmd.exe PID 2180 wrote to memory of 1996 2180 dac.exe cmd.exe PID 2224 wrote to memory of 1056 2224 mmc.exe AliWorkbench.exe PID 2224 wrote to memory of 1056 2224 mmc.exe AliWorkbench.exe PID 2224 wrote to memory of 1056 2224 mmc.exe AliWorkbench.exe PID 2224 wrote to memory of 1056 2224 mmc.exe AliWorkbench.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\dac.exe"C:\Users\Admin\AppData\Local\Temp\dac.exe"1⤵
- Modifies system certificate store
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2180 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Roaming\12975.bat"2⤵
- Suspicious use of WriteProcessMemory
PID:2768 -
C:\Windows\system32\reg.exereg add HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v ConsentPromptBehaviorAdmin /t reg_dword /d 0 /F3⤵
- UAC bypass
PID:2988 -
C:\Windows\system32\reg.exereg add HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t reg_dword /d 0 /F3⤵
- UAC bypass
PID:1152 -
C:\Windows\system32\reg.exereg add HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v PromptOnSecureDesktop /t reg_dword /d 0 /F3⤵
- UAC bypass
PID:2488 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c copy /b C:\Users\Public\Pictures\PI6bT\odetu@f\v+C:\Users\Public\Pictures\PI6bT\odetu@f\b C:\Users\Public\Pictures\PI6bT\odetu@f\AliProtect.dll2⤵PID:1996
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C:\Windows\system32\mmc.exeC:\Windows\system32\mmc.exe -Embedding1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2304 -
C:\Windows\System32\netsh.exe"C:\Windows\System32\netsh.exe" interface ip set address 本地连接 static 1.0.0.2 255.255.255.0 1.0.0.1 12⤵PID:2732
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C:\Windows\system32\mmc.exeC:\Windows\system32\mmc.exe -Embedding1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2772 -
C:\Windows\System32\netsh.exe"C:\Windows\System32\netsh.exe" interface ip set address \"无线网络连接\" static 1.0.0.3 255.255.255.0 1.0.0.1 12⤵PID:2696
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C:\Windows\system32\mmc.exeC:\Windows\system32\mmc.exe -Embedding1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2224 -
C:\Users\Public\Pictures\PI6bT\odetu@f\AliWorkbench.exe"C:\Users\Public\Pictures\PI6bT\odetu@f\AliWorkbench.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1056
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Replay Monitor
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Downloads
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Filesize
392B
MD530d6eb22d6aeec10347239b17b023bf4
SHA1e2a6f86d66c699f6e0ff1ac4e140af4a2a4637d1
SHA256659df6b190a0b92fc34e3a4457b4a8d11a26a4caf55de64dfe79eb1276181f08
SHA512500872c3f2f3f801ec51717690873194675cb7f32cc4a862c09d90c18638d364d49b0e04c32323f52734e5c806e3503a63ac755c7019d762786a72840123df76
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Filesize
1.7MB
MD56139afd7d2000b6356ce6e20f94c694d
SHA12e20ba20968a0e1a98b4a8f5c04aca3fa11bafc0
SHA25690bf87970934f4c23f9873bbc018368d446276ab39472ea256faca686a7a7413
SHA5120e17663c6fcaeb22d7428347c3c89fc2b852bacc1e3624412a20aa8009ada99730d1fa160cae64a11c37cf373312dbfde9f1ac3e4dcd28a13f009befc127b23e
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Filesize
411KB
MD5405bd58e0a733acd4f986cf8d1a8cd85
SHA13d766ea076a36ced02e991d7c72f53be583720e5
SHA256af04dad1590fd28ad980af3eabee5b3e8a57cede68d42de1e376dfcc4f991994
SHA512bd9e901576a4928633735f7173830991547d72179e72aa0da6a8a6fe70d5ef4c823c4d32cbcc7f4c571dc8febaee3037b58f896b416d1a675000148e8644b97c
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Filesize
411KB
MD5405bd58e0a733acd4f986cf8d1a8cd85
SHA13d766ea076a36ced02e991d7c72f53be583720e5
SHA256af04dad1590fd28ad980af3eabee5b3e8a57cede68d42de1e376dfcc4f991994
SHA512bd9e901576a4928633735f7173830991547d72179e72aa0da6a8a6fe70d5ef4c823c4d32cbcc7f4c571dc8febaee3037b58f896b416d1a675000148e8644b97c
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Filesize
156KB
MD58182b68f937b036f77406127c5b50a4f
SHA1bd3ae6f2482ac997ecc81968d67658a920e0b92b
SHA2564fab64d1804c54055c7e603db7311ba44cebd24933d187b417b0eb76e4d4b290
SHA512c777ee33b5dbc04cfe1f7153cccffac6ff493eaec025582b6afc6c1bfe0d1e8a6b1852d4101dce3600fc27fe03ade4b7ffea914e16bfeb901f8aae346c7aaeb1
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Filesize
880KB
MD540f0f5f381f5de3289f61e73069fa965
SHA14cdd2c8dfdd2dafa20ec9b57ddd91f1abe4bc2dc
SHA2565cbd6e6ff971a9ce2a61193a7a01211f74cc14cce888901dc94fe9aaaf010704
SHA5129b62d3f2e4603a6b990265848b61529125a32eda3ff0cb241a406e4b8acb23436ad385b30a37bf7cf96ed26bbd574cb8a4cbd12f3dfb9c625cd55aea9c57de8b
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Filesize
880KB
MD5003878433cbd4a8b59982b69815b85b8
SHA14ab8bfdf56557d57f0688dee13d157c67ed90c51
SHA256df493f4c531e3b4569be51c7d00ec8ad05390c12cce372ac18e1c83a4cc14bbd
SHA5126ed33f98c92562ee20728063b421d2b236ba628c4ed4889f461e933f1d25508b818eafe97a042d64088ae0e5163f9e2969604eacf2cab989e3b664c204c39715
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Filesize
1.7MB
MD56139afd7d2000b6356ce6e20f94c694d
SHA12e20ba20968a0e1a98b4a8f5c04aca3fa11bafc0
SHA25690bf87970934f4c23f9873bbc018368d446276ab39472ea256faca686a7a7413
SHA5120e17663c6fcaeb22d7428347c3c89fc2b852bacc1e3624412a20aa8009ada99730d1fa160cae64a11c37cf373312dbfde9f1ac3e4dcd28a13f009befc127b23e