Analysis
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max time kernel
149s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
29-01-2023 21:07
Static task
static1
Behavioral task
behavioral1
Sample
68c432acf13a91be7865621d5e6300da18d0c1d89589fbccb58b370df1aecf34.dll
Resource
win7-20221111-en
General
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Target
68c432acf13a91be7865621d5e6300da18d0c1d89589fbccb58b370df1aecf34.dll
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Size
1.1MB
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MD5
a5e27d0d90056b98056cc8119eee25cf
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SHA1
f1cb8b468cd6947785594ef4de17d18afe24b3af
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SHA256
68c432acf13a91be7865621d5e6300da18d0c1d89589fbccb58b370df1aecf34
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SHA512
e6cf0edaf9c0c3a8caa8eff1bc43ab993f51de2890b4764c1839086ab26cb45a7f23a75cafc7562135551cf3a279938e083ab6f6130e3688c29d4e5aa2abdd57
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SSDEEP
24576:i30ixqmP/+GZgTXrHJB+pffKUmHaRLNW0wfpKncbBWZtxjB/s69ZTGxUcbrJOBPO:i30ixj/aTXrH7+pHKUmHeLNW0wBKnc4a
Malware Config
Extracted
gozi
Extracted
gozi
1000
http://ey7kuuklgieop2pq.onion
http://drunt.at
http://news-deck.at
http://taslks.at
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build
217107
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dga_base_url
constitution.org/usdeclar.txt
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dga_crc
0x4eb7d2ca
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dga_season
10
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dga_tlds
com
ru
org
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exe_type
worker
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server_id
12
Signatures
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Unexpected DNS network traffic destination 3 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
Processes:
description ioc Destination IP 208.67.222.222 Destination IP 208.67.222.222 Destination IP 208.67.222.222 -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
Explorer.EXEdescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cfmirces = "rundll32 \"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Charwork\\clict3ui.dll\",DllRegisterServer" Explorer.EXE -
Suspicious use of SetThreadContext 6 IoCs
Processes:
rundll32.execontrol.exeExplorer.EXEdescription pid process target process PID 4796 set thread context of 4180 4796 rundll32.exe control.exe PID 4180 set thread context of 2396 4180 control.exe Explorer.EXE PID 2396 set thread context of 3412 2396 Explorer.EXE RuntimeBroker.exe PID 2396 set thread context of 3648 2396 Explorer.EXE RuntimeBroker.exe PID 4180 set thread context of 448 4180 control.exe rundll32.exe PID 2396 set thread context of 3108 2396 Explorer.EXE cmd.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
rundll32.exeExplorer.EXEpid process 4796 rundll32.exe 4796 rundll32.exe 2396 Explorer.EXE 2396 Explorer.EXE -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
Explorer.EXEpid process 2396 Explorer.EXE -
Suspicious behavior: MapViewOfSection 6 IoCs
Processes:
rundll32.execontrol.exeExplorer.EXEpid process 4796 rundll32.exe 4180 control.exe 2396 Explorer.EXE 2396 Explorer.EXE 4180 control.exe 2396 Explorer.EXE -
Suspicious use of AdjustPrivilegeToken 5 IoCs
Processes:
Explorer.EXERuntimeBroker.exedescription pid process Token: SeShutdownPrivilege 2396 Explorer.EXE Token: SeCreatePagefilePrivilege 2396 Explorer.EXE Token: SeShutdownPrivilege 2396 Explorer.EXE Token: SeCreatePagefilePrivilege 2396 Explorer.EXE Token: SeShutdownPrivilege 3412 RuntimeBroker.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
Explorer.EXEpid process 2396 Explorer.EXE -
Suspicious use of WriteProcessMemory 34 IoCs
Processes:
rundll32.exerundll32.execontrol.exeExplorer.EXEcmd.exedescription pid process target process PID 4400 wrote to memory of 4796 4400 rundll32.exe rundll32.exe PID 4400 wrote to memory of 4796 4400 rundll32.exe rundll32.exe PID 4400 wrote to memory of 4796 4400 rundll32.exe rundll32.exe PID 4796 wrote to memory of 4180 4796 rundll32.exe control.exe PID 4796 wrote to memory of 4180 4796 rundll32.exe control.exe PID 4796 wrote to memory of 4180 4796 rundll32.exe control.exe PID 4796 wrote to memory of 4180 4796 rundll32.exe control.exe PID 4796 wrote to memory of 4180 4796 rundll32.exe control.exe PID 4180 wrote to memory of 2396 4180 control.exe Explorer.EXE PID 4180 wrote to memory of 2396 4180 control.exe Explorer.EXE PID 4180 wrote to memory of 2396 4180 control.exe Explorer.EXE PID 2396 wrote to memory of 3412 2396 Explorer.EXE RuntimeBroker.exe PID 2396 wrote to memory of 3412 2396 Explorer.EXE RuntimeBroker.exe PID 2396 wrote to memory of 3412 2396 Explorer.EXE RuntimeBroker.exe PID 2396 wrote to memory of 3648 2396 Explorer.EXE RuntimeBroker.exe PID 4180 wrote to memory of 448 4180 control.exe rundll32.exe PID 4180 wrote to memory of 448 4180 control.exe rundll32.exe PID 4180 wrote to memory of 448 4180 control.exe rundll32.exe PID 2396 wrote to memory of 3648 2396 Explorer.EXE RuntimeBroker.exe PID 2396 wrote to memory of 3648 2396 Explorer.EXE RuntimeBroker.exe PID 4180 wrote to memory of 448 4180 control.exe rundll32.exe PID 4180 wrote to memory of 448 4180 control.exe rundll32.exe PID 2396 wrote to memory of 2296 2396 Explorer.EXE cmd.exe PID 2396 wrote to memory of 2296 2396 Explorer.EXE cmd.exe PID 2296 wrote to memory of 364 2296 cmd.exe nslookup.exe PID 2296 wrote to memory of 364 2296 cmd.exe nslookup.exe PID 2396 wrote to memory of 3600 2396 Explorer.EXE cmd.exe PID 2396 wrote to memory of 3600 2396 Explorer.EXE cmd.exe PID 2396 wrote to memory of 3108 2396 Explorer.EXE cmd.exe PID 2396 wrote to memory of 3108 2396 Explorer.EXE cmd.exe PID 2396 wrote to memory of 3108 2396 Explorer.EXE cmd.exe PID 2396 wrote to memory of 3108 2396 Explorer.EXE cmd.exe PID 2396 wrote to memory of 3108 2396 Explorer.EXE cmd.exe PID 2396 wrote to memory of 3108 2396 Explorer.EXE cmd.exe
Processes
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\68c432acf13a91be7865621d5e6300da18d0c1d89589fbccb58b370df1aecf34.dll,#12⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\68c432acf13a91be7865621d5e6300da18d0c1d89589fbccb58b370df1aecf34.dll,#13⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\control.exeC:\Windows\system32\control.exe /?4⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" Shell32.dll,Control_RunDLL /?5⤵
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C:\Windows\system32\cmd.execmd /C "nslookup myip.opendns.com resolver1.opendns.com > C:\Users\Admin\AppData\Local\Temp\CAD8.bi1"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\nslookup.exenslookup myip.opendns.com resolver1.opendns.com3⤵
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C:\Windows\system32\cmd.execmd /C "echo -------- >> C:\Users\Admin\AppData\Local\Temp\CAD8.bi1"2⤵
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C:\Windows\syswow64\cmd.exe"C:\Windows\syswow64\cmd.exe" /C pause dll mail, ,2⤵
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C:\Windows\System32\RuntimeBroker.exeC:\Windows\System32\RuntimeBroker.exe -Embedding1⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\CAD8.bi1Filesize
118B
MD541a49d1a2a3a8713a12ccf89932d4bb7
SHA1b324e8bbcd4ca71a35d0c00ac63c0255e8ec4287
SHA256f210a8e30967b13dabe340c45ce4a97e9c94ad74975728eccdd0a27edf29b5fe
SHA5121fc256f2068eb9ac32c04bad119e94ba006808fd2be48db397eecf69acd6d8972334f81f8439d6e153a9cb99db618a613f3b0adf2b5784c264b61d4d5c0669b1
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C:\Users\Admin\AppData\Local\Temp\CAD8.bi1Filesize
118B
MD541a49d1a2a3a8713a12ccf89932d4bb7
SHA1b324e8bbcd4ca71a35d0c00ac63c0255e8ec4287
SHA256f210a8e30967b13dabe340c45ce4a97e9c94ad74975728eccdd0a27edf29b5fe
SHA5121fc256f2068eb9ac32c04bad119e94ba006808fd2be48db397eecf69acd6d8972334f81f8439d6e153a9cb99db618a613f3b0adf2b5784c264b61d4d5c0669b1
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C:\Users\Admin\AppData\Roaming\Microsoft\Charwork\clict3ui.dllFilesize
1.1MB
MD5a5e27d0d90056b98056cc8119eee25cf
SHA1f1cb8b468cd6947785594ef4de17d18afe24b3af
SHA25668c432acf13a91be7865621d5e6300da18d0c1d89589fbccb58b370df1aecf34
SHA512e6cf0edaf9c0c3a8caa8eff1bc43ab993f51de2890b4764c1839086ab26cb45a7f23a75cafc7562135551cf3a279938e083ab6f6130e3688c29d4e5aa2abdd57
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memory/364-155-0x0000000000000000-mapping.dmp
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memory/448-147-0x0000000000000000-mapping.dmp
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memory/448-152-0x00000134442B0000-0x0000013444364000-memory.dmpFilesize
720KB
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memory/2296-154-0x0000000000000000-mapping.dmp
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memory/2396-148-0x0000000008030000-0x00000000080E4000-memory.dmpFilesize
720KB
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memory/2396-153-0x0000000008030000-0x00000000080E4000-memory.dmpFilesize
720KB
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memory/3108-159-0x0000000000000000-mapping.dmp
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memory/3108-160-0x0000000000D36B20-0x0000000000D36B24-memory.dmpFilesize
4B
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memory/3108-161-0x0000000000BB0000-0x0000000000C57000-memory.dmpFilesize
668KB
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memory/3108-162-0x0000000000BB0000-0x0000000000C57000-memory.dmpFilesize
668KB
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memory/3412-150-0x0000021BD2650000-0x0000021BD2704000-memory.dmpFilesize
720KB
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memory/3600-156-0x0000000000000000-mapping.dmp
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memory/3648-151-0x0000016358830000-0x00000163588E4000-memory.dmpFilesize
720KB
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memory/4180-149-0x0000000000A10000-0x0000000000AC4000-memory.dmpFilesize
720KB
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memory/4180-144-0x0000000000000000-mapping.dmp
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memory/4796-145-0x0000000010000000-0x0000000010A16000-memory.dmpFilesize
10.1MB
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memory/4796-132-0x0000000000000000-mapping.dmp
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memory/4796-137-0x00000000022D0000-0x000000000231B000-memory.dmpFilesize
300KB
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memory/4796-136-0x0000000010000000-0x0000000010A16000-memory.dmpFilesize
10.1MB
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memory/4796-135-0x0000000010000000-0x0000000010A16000-memory.dmpFilesize
10.1MB
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memory/4796-134-0x0000000010000000-0x0000000010A16000-memory.dmpFilesize
10.1MB
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memory/4796-133-0x0000000010000000-0x000000001004D000-memory.dmpFilesize
308KB