Analysis
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max time kernel
151s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
11-06-2024 12:29
Static task
static1
Behavioral task
behavioral1
Sample
2e365264e5bbfa228a37d9593e9a00d2024d89c295f6e2cf8feb5d772d9cab58.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2e365264e5bbfa228a37d9593e9a00d2024d89c295f6e2cf8feb5d772d9cab58.exe
Resource
win10v2004-20240226-en
General
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Target
2e365264e5bbfa228a37d9593e9a00d2024d89c295f6e2cf8feb5d772d9cab58.exe
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Size
407KB
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MD5
3a525e139777209c35e30feab24ba765
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SHA1
f8e24ba133138275642205c093c068571426cb81
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SHA256
2e365264e5bbfa228a37d9593e9a00d2024d89c295f6e2cf8feb5d772d9cab58
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SHA512
57884f5678a2c54c21f2f9c038b8c518f5f07a98dad8e255e97dbeb9250ec0e1228254f0ca1de6af20e49c7a08e41dbd1f7a7940603e635faaaa433b530003e9
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SSDEEP
6144:3w9D91dOrcN3ZGXNYFNmIkYvUIelVjjVtGRyFH4:gtRfJcNYFNm8UhlZGse
Malware Config
Signatures
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Blocklisted process makes network request 8 IoCs
Processes:
rundll32.exeflow pid process 15 1748 rundll32.exe 35 1748 rundll32.exe 45 1748 rundll32.exe 44 1748 rundll32.exe 49 1748 rundll32.exe 50 1748 rundll32.exe 60 1748 rundll32.exe 62 1748 rundll32.exe -
Deletes itself 1 IoCs
Processes:
sivtg.exepid process 628 sivtg.exe -
Executes dropped EXE 1 IoCs
Processes:
sivtg.exepid process 628 sivtg.exe -
Loads dropped DLL 1 IoCs
Processes:
rundll32.exepid process 1748 rundll32.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
rundll32.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Dotx = "c:\\windows\\SysWOW64\\rundll32.exe \"c:\\Program Files\\ukivgopsp\\tdcdj.dll\",Verify" rundll32.exe -
Enumerates connected drives 3 TTPs 2 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
rundll32.exedescription ioc process File opened (read-only) \??\a: rundll32.exe File opened (read-only) \??\b: rundll32.exe -
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
Processes:
rundll32.exedescription ioc process File opened for modification \??\PHYSICALDRIVE0 rundll32.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
rundll32.exepid process 1748 rundll32.exe -
Drops file in Program Files directory 2 IoCs
Processes:
sivtg.exedescription ioc process File created \??\c:\Program Files\ukivgopsp\tdcdj.dll sivtg.exe File opened for modification \??\c:\Program Files\ukivgopsp sivtg.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
rundll32.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString rundll32.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
rundll32.exepid process 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
rundll32.exedescription pid process Token: SeDebugPrivilege 1748 rundll32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
2e365264e5bbfa228a37d9593e9a00d2024d89c295f6e2cf8feb5d772d9cab58.exesivtg.exepid process 4444 2e365264e5bbfa228a37d9593e9a00d2024d89c295f6e2cf8feb5d772d9cab58.exe 628 sivtg.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
2e365264e5bbfa228a37d9593e9a00d2024d89c295f6e2cf8feb5d772d9cab58.execmd.exesivtg.exedescription pid process target process PID 4444 wrote to memory of 656 4444 2e365264e5bbfa228a37d9593e9a00d2024d89c295f6e2cf8feb5d772d9cab58.exe cmd.exe PID 4444 wrote to memory of 656 4444 2e365264e5bbfa228a37d9593e9a00d2024d89c295f6e2cf8feb5d772d9cab58.exe cmd.exe PID 4444 wrote to memory of 656 4444 2e365264e5bbfa228a37d9593e9a00d2024d89c295f6e2cf8feb5d772d9cab58.exe cmd.exe PID 656 wrote to memory of 5032 656 cmd.exe PING.EXE PID 656 wrote to memory of 5032 656 cmd.exe PING.EXE PID 656 wrote to memory of 5032 656 cmd.exe PING.EXE PID 656 wrote to memory of 628 656 cmd.exe sivtg.exe PID 656 wrote to memory of 628 656 cmd.exe sivtg.exe PID 656 wrote to memory of 628 656 cmd.exe sivtg.exe PID 628 wrote to memory of 1748 628 sivtg.exe rundll32.exe PID 628 wrote to memory of 1748 628 sivtg.exe rundll32.exe PID 628 wrote to memory of 1748 628 sivtg.exe rundll32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2e365264e5bbfa228a37d9593e9a00d2024d89c295f6e2cf8feb5d772d9cab58.exe"C:\Users\Admin\AppData\Local\Temp\2e365264e5bbfa228a37d9593e9a00d2024d89c295f6e2cf8feb5d772d9cab58.exe"1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4444 -
C:\Windows\SysWOW64\cmd.execmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\sivtg.exe "C:\Users\Admin\AppData\Local\Temp\2e365264e5bbfa228a37d9593e9a00d2024d89c295f6e2cf8feb5d772d9cab58.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:656 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 23⤵
- Runs ping.exe
PID:5032 -
C:\Users\Admin\AppData\Local\Temp\sivtg.exeC:\Users\Admin\AppData\Local\Temp\\sivtg.exe "C:\Users\Admin\AppData\Local\Temp\2e365264e5bbfa228a37d9593e9a00d2024d89c295f6e2cf8feb5d772d9cab58.exe"3⤵
- Deletes itself
- Executes dropped EXE
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:628 -
\??\c:\windows\SysWOW64\rundll32.exec:\windows\system32\rundll32.exe "c:\Program Files\ukivgopsp\tdcdj.dll",Verify C:\Users\Admin\AppData\Local\Temp\sivtg.exe4⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Adds Run key to start application
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1748
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1340 --field-trial-handle=2356,i,13261194862334667799,7441241219475888176,262144 --variations-seed-version /prefetch:81⤵PID:4236
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
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Downloads
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Filesize
407KB
MD5646061a4be9b22c72f0f31f28c0abd1b
SHA1ab08208a96d76de465d205a8d800ab123f316860
SHA25620cd0ba16e567b639f1545ab84f98f68b09e6c548ec08d983153c5fc9ccb851e
SHA512917816cdaf275398867933e32b61c50466345920df6027a22c844bb0c35e79a08b0eaa31515630c019d38fab14d0931a94b44b48bcb236df505ba47e7adea8ad
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Filesize
228KB
MD580eaacb6d088d0ac677c8e6f19507202
SHA1905297eaf03f89bf73001dff2c891fe9e5cc7063
SHA2560651f60397d918f63661f1a10592233c534d3a77f399b24f6fc9185ae90b56bb
SHA5125941c7506363c68ebfc05ff88c8df3df628dba6a84642a59175e4baf21b1bd9971d2ed5914be55bdd7e4d5deded7ad5334c7cd3d27147285bcbb235bb8c8df41