Analysis
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max time kernel
1384s -
max time network
1454s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
21-07-2021 20:10
Static task
static1
Behavioral task
behavioral1
Sample
documents.07.21.doc
Resource
win7v20210408
Behavioral task
behavioral2
Sample
documents.07.21.doc
Resource
win10v20210410
General
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Target
documents.07.21.doc
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Size
72KB
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MD5
2b7fbd7553c2c0079775ff71624f6e1d
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SHA1
de14f7af8b1e4f44c075f699dfedaa7ada95cc49
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SHA256
03fe24d7f895988c09b48880d841096dcc9e3623254884d93769a4e362473950
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SHA512
96554a7da2d220c8037281352de6271dc51fac4623ca3a55ba01035376e00a8e2f7334e9555e22706dd96f857f7bab6c3c342503c32a08335b35a0b36cc70a34
Malware Config
Signatures
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Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
cmd.exedescription pid pid_target process target process Parent C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE is not expected to spawn this process 1064 1840 cmd.exe WINWORD.EXE -
Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
Processes:
regsvr32.exedescription pid process target process PID 1964 created 1200 1964 regsvr32.exe Explorer.EXE -
Blocklisted process makes network request 1 IoCs
Processes:
mshta.exeflow pid process 6 1712 mshta.exe -
Downloads MZ/PE file
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Loads dropped DLL 3 IoCs
Processes:
regsvr32.exeregsvr32.exeregsvr32.exepid process 1948 regsvr32.exe 1964 regsvr32.exe 1316 regsvr32.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 27 myexternalip.com 28 myexternalip.com 40 myexternalip.com -
Suspicious use of SetThreadContext 1 IoCs
Processes:
regsvr32.exedescription pid process target process PID 1964 set thread context of 1756 1964 regsvr32.exe chrome.exe -
Drops file in Windows directory 1 IoCs
Processes:
WINWORD.EXEdescription ioc process File opened for modification C:\Windows\Debug\WIA\wiatrace.log WINWORD.EXE -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Office loads VBA resources, possible macro or embedded object present
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Discovers systems in the same network 1 TTPs 6 IoCs
Processes:
net.exenet.exenet.exenet.exenet.exenet.exepid process 1888 net.exe 628 net.exe 1808 net.exe 1720 net.exe 2032 net.exe 900 net.exe -
Processes:
WINWORD.EXEmshta.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105" WINWORD.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main mshta.exe Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel WINWORD.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" WINWORD.EXE -
Runs net.exe
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Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
WINWORD.EXEpid process 1840 WINWORD.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
regsvr32.exechrome.exepid process 1964 regsvr32.exe 1756 chrome.exe 1756 chrome.exe 1756 chrome.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
WINWORD.EXEpid process 1840 WINWORD.EXE 1840 WINWORD.EXE -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
WINWORD.EXEcmd.exemshta.exeregsvr32.exeregsvr32.exedescription pid process target process PID 1840 wrote to memory of 1064 1840 WINWORD.EXE cmd.exe PID 1840 wrote to memory of 1064 1840 WINWORD.EXE cmd.exe PID 1840 wrote to memory of 1064 1840 WINWORD.EXE cmd.exe PID 1840 wrote to memory of 1064 1840 WINWORD.EXE cmd.exe PID 1064 wrote to memory of 1712 1064 cmd.exe mshta.exe PID 1064 wrote to memory of 1712 1064 cmd.exe mshta.exe PID 1064 wrote to memory of 1712 1064 cmd.exe mshta.exe PID 1064 wrote to memory of 1712 1064 cmd.exe mshta.exe PID 1712 wrote to memory of 1948 1712 mshta.exe regsvr32.exe PID 1712 wrote to memory of 1948 1712 mshta.exe regsvr32.exe PID 1712 wrote to memory of 1948 1712 mshta.exe regsvr32.exe PID 1712 wrote to memory of 1948 1712 mshta.exe regsvr32.exe PID 1712 wrote to memory of 1948 1712 mshta.exe regsvr32.exe PID 1712 wrote to memory of 1948 1712 mshta.exe regsvr32.exe PID 1712 wrote to memory of 1948 1712 mshta.exe regsvr32.exe PID 1948 wrote to memory of 1964 1948 regsvr32.exe regsvr32.exe PID 1948 wrote to memory of 1964 1948 regsvr32.exe regsvr32.exe PID 1948 wrote to memory of 1964 1948 regsvr32.exe regsvr32.exe PID 1948 wrote to memory of 1964 1948 regsvr32.exe regsvr32.exe PID 1948 wrote to memory of 1964 1948 regsvr32.exe regsvr32.exe PID 1948 wrote to memory of 1964 1948 regsvr32.exe regsvr32.exe PID 1948 wrote to memory of 1964 1948 regsvr32.exe regsvr32.exe PID 1840 wrote to memory of 924 1840 WINWORD.EXE splwow64.exe PID 1840 wrote to memory of 924 1840 WINWORD.EXE splwow64.exe PID 1840 wrote to memory of 924 1840 WINWORD.EXE splwow64.exe PID 1840 wrote to memory of 924 1840 WINWORD.EXE splwow64.exe PID 1964 wrote to memory of 1756 1964 regsvr32.exe chrome.exe PID 1964 wrote to memory of 1756 1964 regsvr32.exe chrome.exe PID 1964 wrote to memory of 1756 1964 regsvr32.exe chrome.exe PID 1964 wrote to memory of 1756 1964 regsvr32.exe chrome.exe PID 1964 wrote to memory of 1756 1964 regsvr32.exe chrome.exe PID 1964 wrote to memory of 1756 1964 regsvr32.exe chrome.exe PID 1964 wrote to memory of 1756 1964 regsvr32.exe chrome.exe PID 1964 wrote to memory of 1756 1964 regsvr32.exe chrome.exe PID 1964 wrote to memory of 1756 1964 regsvr32.exe chrome.exe PID 1964 wrote to memory of 1756 1964 regsvr32.exe chrome.exe PID 1964 wrote to memory of 1756 1964 regsvr32.exe chrome.exe PID 1964 wrote to memory of 1756 1964 regsvr32.exe chrome.exe PID 1964 wrote to memory of 1756 1964 regsvr32.exe chrome.exe PID 1964 wrote to memory of 1756 1964 regsvr32.exe chrome.exe PID 1964 wrote to memory of 1756 1964 regsvr32.exe chrome.exe PID 1964 wrote to memory of 1756 1964 regsvr32.exe chrome.exe PID 1964 wrote to memory of 1756 1964 regsvr32.exe chrome.exe PID 1964 wrote to memory of 1756 1964 regsvr32.exe chrome.exe PID 1964 wrote to memory of 1756 1964 regsvr32.exe chrome.exe PID 1964 wrote to memory of 1756 1964 regsvr32.exe chrome.exe PID 1964 wrote to memory of 1756 1964 regsvr32.exe chrome.exe PID 1964 wrote to memory of 1756 1964 regsvr32.exe chrome.exe PID 1964 wrote to memory of 1756 1964 regsvr32.exe chrome.exe PID 1964 wrote to memory of 1756 1964 regsvr32.exe chrome.exe PID 1964 wrote to memory of 1756 1964 regsvr32.exe chrome.exe PID 1964 wrote to memory of 1756 1964 regsvr32.exe chrome.exe PID 1964 wrote to memory of 1756 1964 regsvr32.exe chrome.exe PID 1964 wrote to memory of 1756 1964 regsvr32.exe chrome.exe PID 1964 wrote to memory of 1756 1964 regsvr32.exe chrome.exe PID 1964 wrote to memory of 1756 1964 regsvr32.exe chrome.exe PID 1964 wrote to memory of 1756 1964 regsvr32.exe chrome.exe PID 1964 wrote to memory of 1756 1964 regsvr32.exe chrome.exe PID 1964 wrote to memory of 1756 1964 regsvr32.exe chrome.exe PID 1964 wrote to memory of 1756 1964 regsvr32.exe chrome.exe PID 1964 wrote to memory of 1756 1964 regsvr32.exe chrome.exe PID 1964 wrote to memory of 1756 1964 regsvr32.exe chrome.exe PID 1964 wrote to memory of 1756 1964 regsvr32.exe chrome.exe PID 1964 wrote to memory of 1756 1964 regsvr32.exe chrome.exe
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:1200
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C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\documents.07.21.doc"2⤵
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1840 -
C:\Windows\SysWOW64\cmd.execmd /c c:\programdata\sds.hta3⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:1064 -
C:\Windows\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "C:\programdata\sds.hta"4⤵
- Blocklisted process makes network request
- Modifies Internet Explorer settings
- Suspicious use of WriteProcessMemory
PID:1712 -
C:\Windows\SysWOW64\regsvr32.exe"C:\Windows\System32\regsvr32.exe" c:\users\public\haveSimpleAnd.jpg5⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1948 -
C:\Windows\system32\regsvr32.exec:\users\public\haveSimpleAnd.jpg6⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1964
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C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122883⤵PID:924
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
PID:1756 -
C:\Windows\system32\net.exenet view /all3⤵
- Discovers systems in the same network
PID:2032
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C:\Windows\system32\net.exenet view /all /domain3⤵
- Discovers systems in the same network
PID:900
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C:\Windows\system32\nltest.exenltest /domain_trusts /all_trusts3⤵PID:1656
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C:\Windows\system32\net.exenet localgroup administrator3⤵PID:1060
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C:\Windows\system32\net1.exeC:\Windows\system32\net1 localgroup administrator4⤵PID:552
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C:\Windows\system32\net.exenet group /domain admins3⤵PID:1072
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C:\Windows\system32\net1.exeC:\Windows\system32\net1 group /domain admins4⤵PID:1836
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C:\Windows\system32\net.exenet view /all3⤵
- Discovers systems in the same network
PID:1888
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C:\Windows\system32\net.exenet view /all /domain3⤵
- Discovers systems in the same network
PID:628
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C:\Windows\system32\nltest.exenltest /domain_trusts /all_trusts3⤵PID:816
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C:\Windows\system32\net.exenet localgroup administrator3⤵PID:1272
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C:\Windows\system32\net1.exeC:\Windows\system32\net1 localgroup administrator4⤵PID:2016
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C:\Windows\system32\net.exenet group /domain admins3⤵PID:884
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C:\Windows\system32\net1.exeC:\Windows\system32\net1 group /domain admins4⤵PID:440
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C:\Windows\system32\net.exenet view /all3⤵
- Discovers systems in the same network
PID:1808
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C:\Windows\system32\net.exenet view /all /domain3⤵
- Discovers systems in the same network
PID:1720
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C:\Windows\system32\nltest.exenltest /domain_trusts /all_trusts3⤵PID:984
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C:\Windows\system32\net.exenet localgroup administrator3⤵PID:1580
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C:\Windows\system32\net1.exeC:\Windows\system32\net1 localgroup administrator4⤵PID:1972
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C:\Windows\system32\net.exenet group /domain admins3⤵PID:900
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C:\Windows\system32\net1.exeC:\Windows\system32\net1 group /domain admins4⤵PID:1788
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C:\Windows\system32\regsvr32.exeregsvr32 /s "c:\users\public\haveSimpleAnd.jpg"1⤵
- Loads dropped DLL
PID:1316
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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MD5
2902de11e30dcc620b184e3bb0f0c1cb
SHA15d11d14a2558801a2688dc2d6dfad39ac294f222
SHA256e6a7f1f8810e46a736e80ee5ac6187690f28f4d5d35d130d410e20084b2c1544
SHA512efd415cde25b827ac2a7ca4d6486ce3a43cdcc1c31d3a94fd7944681aa3e83a4966625bf2e6770581c4b59d05e35ff9318d9adaddade9070f131076892af2fa0
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
MD59dfe6a4c5ad55b780a597573d88c3946
SHA13671001590341639c94f57ec7967ba4ba1a6ce5a
SHA256a073fc0f9d678bc69d4b8e0a3935eff91b8746d71ac5d4c9020b25b3e4c0f1b9
SHA5128e170c2dc200a08a97e2b8b21e99cf4dad792e8143e236781fdc280dcfee1f399c7bc2bd51099fb010d9f799ea4d77abfb6376e1da93cd6e274980556a539238
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MD5
242417bcb787a1d673f9d63b8345ba9d
SHA1a419bcc2f1b8d0591a9c6e3469e61968c5bd7c5e
SHA256d9b5bfe4016357985bf9afbeeab1bcfaee713e4fa6243682a47de56e3038fcb5
SHA512d2fca175faf488df0b36b7ac263bb32ba0961a860f9d5f6e162746fdca7c0693c71c96112abb657c45e568909e6dc992d840877b19e0991e041986e22c985789
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MD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
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MD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
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MD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
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MD5
063b62623f9aa6bf23a54a0bfafa143c
SHA1b5ebfd1543eddaf52d51d8f65ebd4fcabb8c4f41
SHA256e71fa3c09ef55e0aeed7a2f500101626d1e61b6f7cccc312577a8f3535657dcd
SHA512d57f6c8e03336e2159597aae61e26d7eaec15c35f7d3ba26172ffa93548b618d5947702e9a70f793292af2ce42bbbc01c95ceb274325f77c9e2f008aaa3e5c8e
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MD5
063b62623f9aa6bf23a54a0bfafa143c
SHA1b5ebfd1543eddaf52d51d8f65ebd4fcabb8c4f41
SHA256e71fa3c09ef55e0aeed7a2f500101626d1e61b6f7cccc312577a8f3535657dcd
SHA512d57f6c8e03336e2159597aae61e26d7eaec15c35f7d3ba26172ffa93548b618d5947702e9a70f793292af2ce42bbbc01c95ceb274325f77c9e2f008aaa3e5c8e
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MD5
063b62623f9aa6bf23a54a0bfafa143c
SHA1b5ebfd1543eddaf52d51d8f65ebd4fcabb8c4f41
SHA256e71fa3c09ef55e0aeed7a2f500101626d1e61b6f7cccc312577a8f3535657dcd
SHA512d57f6c8e03336e2159597aae61e26d7eaec15c35f7d3ba26172ffa93548b618d5947702e9a70f793292af2ce42bbbc01c95ceb274325f77c9e2f008aaa3e5c8e
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MD5
063b62623f9aa6bf23a54a0bfafa143c
SHA1b5ebfd1543eddaf52d51d8f65ebd4fcabb8c4f41
SHA256e71fa3c09ef55e0aeed7a2f500101626d1e61b6f7cccc312577a8f3535657dcd
SHA512d57f6c8e03336e2159597aae61e26d7eaec15c35f7d3ba26172ffa93548b618d5947702e9a70f793292af2ce42bbbc01c95ceb274325f77c9e2f008aaa3e5c8e