Overview
overview
10Static
static
8bcaa3be9-9...53.eml
windows7-x64
5bcaa3be9-9...53.eml
windows10-2004-x64
3Gmail_2023...09.zip
windows7-x64
1Gmail_2023...09.zip
windows10-2004-x64
120230308_6...27.doc
windows7-x64
1020230308_6...27.doc
windows10-2004-x64
10email-html-1.html
windows7-x64
1email-html-1.html
windows10-2004-x64
1image001.png
windows7-x64
3image001.png
windows10-2004-x64
3Analysis
-
max time kernel
148s -
max time network
160s -
platform
windows10-2004_x64 -
resource
win10v2004-20230221-en -
resource tags
arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system -
submitted
15-03-2023 05:07
Behavioral task
behavioral1
Sample
bcaa3be9-998c-1804-d50c-a213fe6a7553.eml
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
bcaa3be9-998c-1804-d50c-a213fe6a7553.eml
Resource
win10v2004-20230220-en
Behavioral task
behavioral3
Sample
Gmail_20230308_676926_009.zip
Resource
win7-20230220-en
Behavioral task
behavioral4
Sample
Gmail_20230308_676926_009.zip
Resource
win10v2004-20230220-en
Behavioral task
behavioral5
Sample
20230308_67941_0027.doc
Resource
win7-20230220-en
Behavioral task
behavioral6
Sample
20230308_67941_0027.doc
Resource
win10v2004-20230221-en
Behavioral task
behavioral7
Sample
email-html-1.html
Resource
win7-20230220-en
Behavioral task
behavioral8
Sample
email-html-1.html
Resource
win10v2004-20230221-en
Behavioral task
behavioral9
Sample
image001.png
Resource
win7-20230220-en
Behavioral task
behavioral10
Sample
image001.png
Resource
win10v2004-20230220-en
General
-
Target
20230308_67941_0027.doc
-
Size
500.3MB
-
MD5
8309b9d9bc264d02be48159c94cfda59
-
SHA1
425d0846499519fbf2c0b8def88d5b959337f675
-
SHA256
a6d45450a1734c4e3b45469c4921862d0ac16b8e19cce98db0325ed4dcbf6bd3
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SHA512
9c93715effaecf18d8b8c1f8d4915006fd7d73548712abade79b02c3d0a9897d4fe74bd6a1d4305366ce60fd210bf641e179e6c09711638e8d4535e82a83c328
-
SSDEEP
6144:xPn4VZXbatu7MDogsDkHS50LdfcGcbz1f5M9KTFrMpSlMK3Ru+Q28:xP4PbNMkgg3Ru+x
Malware Config
Extracted
emotet
Epoch4
129.232.188.93:443
164.90.222.65:443
159.65.88.10:8080
172.105.226.75:8080
115.68.227.76:8080
187.63.160.88:80
169.57.156.166:8080
185.4.135.165:8080
153.126.146.25:7080
197.242.150.244:8080
139.59.126.41:443
186.194.240.217:443
103.132.242.26:8080
206.189.28.199:8080
163.44.196.120:8080
95.217.221.146:8080
159.89.202.34:443
119.59.103.152:8080
183.111.227.137:8080
201.94.166.162:443
103.75.201.2:443
149.56.131.28:8080
79.137.35.198:8080
5.135.159.50:443
66.228.32.31:7080
91.121.146.47:8080
153.92.5.27:8080
45.235.8.30:8080
72.15.201.15:8080
107.170.39.149:8080
45.176.232.124:443
82.223.21.224:8080
167.172.199.165:8080
213.239.212.5:443
202.129.205.3:8080
94.23.45.86:4143
147.139.166.154:8080
167.172.253.162:8080
91.207.28.33:8080
188.44.20.25:443
104.168.155.143:8080
110.232.117.186:8080
164.68.99.3:8080
1.234.2.232:8080
173.212.193.249:8080
182.162.143.56:443
160.16.142.56:8080
101.50.0.91:8080
103.43.75.120:443
Signatures
-
Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
regsvr32.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process 5024 744 regsvr32.exe WINWORD.EXE -
Loads dropped DLL 3 IoCs
Processes:
regsvr32.exeregsvr32.exepid process 5024 regsvr32.exe 2116 regsvr32.exe 2116 regsvr32.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
WINWORD.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString WINWORD.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
WINWORD.EXEdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WINWORD.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE -
Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.
Processes:
description flow ioc HTTP User-Agent header 23 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
Processes:
WINWORD.EXEpid process 744 WINWORD.EXE 744 WINWORD.EXE -
Suspicious behavior: EnumeratesProcesses 6 IoCs
Processes:
regsvr32.exeregsvr32.exepid process 5024 regsvr32.exe 5024 regsvr32.exe 2116 regsvr32.exe 2116 regsvr32.exe 2116 regsvr32.exe 2116 regsvr32.exe -
Suspicious use of FindShellTrayWindow 3 IoCs
Processes:
WINWORD.EXEpid process 744 WINWORD.EXE 744 WINWORD.EXE 744 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 8 IoCs
Processes:
WINWORD.EXEpid process 744 WINWORD.EXE 744 WINWORD.EXE 744 WINWORD.EXE 744 WINWORD.EXE 744 WINWORD.EXE 744 WINWORD.EXE 744 WINWORD.EXE 744 WINWORD.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
WINWORD.EXEregsvr32.exedescription pid process target process PID 744 wrote to memory of 5024 744 WINWORD.EXE regsvr32.exe PID 744 wrote to memory of 5024 744 WINWORD.EXE regsvr32.exe PID 5024 wrote to memory of 2116 5024 regsvr32.exe regsvr32.exe PID 5024 wrote to memory of 2116 5024 regsvr32.exe regsvr32.exe
Processes
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C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\20230308_67941_0027.doc" /o ""1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\regsvr32.exe"C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\060851.tmp"2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\regsvr32.exeC:\Windows\system32\regsvr32.exe "C:\Windows\system32\NtVOtMM\SVcBHFCVF.dll"3⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\060851.tmpFilesize
543.7MB
MD51cd2550e072ec2792339b133005549ed
SHA1c2839a8bc63517bcee9ec16a222690e0f8aa3a74
SHA256af9f8a5c3e4edb4798c25b6fe3e41eeba5d4a41782dbf81a7ba5b3a93652a02a
SHA512e77442d144cad2635a3078a5359b24d9febc164fdfb6424cff5b4d02775ece2df3bdf6575170a9eec9b1d3ce22370efb726c9c611db86fac8d530ce2e9a7903e
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C:\Users\Admin\AppData\Local\Temp\060851.tmpFilesize
543.7MB
MD51cd2550e072ec2792339b133005549ed
SHA1c2839a8bc63517bcee9ec16a222690e0f8aa3a74
SHA256af9f8a5c3e4edb4798c25b6fe3e41eeba5d4a41782dbf81a7ba5b3a93652a02a
SHA512e77442d144cad2635a3078a5359b24d9febc164fdfb6424cff5b4d02775ece2df3bdf6575170a9eec9b1d3ce22370efb726c9c611db86fac8d530ce2e9a7903e
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C:\Users\Admin\AppData\Local\Temp\060853.zipFilesize
867KB
MD56c839d892fef2f37d973ca28ce5e7a3b
SHA1175ee07dc770ad81455d1f95152f1ae07e875e0e
SHA256b2f19314b692f584203e6711e8d54f32b91a7864adbd203a4eaf6785042d47d9
SHA51218a1ffa1876554a0e7716cbe5d77ce26a373aeb16992986bb8baaece2af502b576d7001a4271ceda09cec6fbbe750c06c8d40d4449ff8b52d01a924a49462af7
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C:\Windows\System32\NtVOtMM\SVcBHFCVF.dllFilesize
543.7MB
MD51cd2550e072ec2792339b133005549ed
SHA1c2839a8bc63517bcee9ec16a222690e0f8aa3a74
SHA256af9f8a5c3e4edb4798c25b6fe3e41eeba5d4a41782dbf81a7ba5b3a93652a02a
SHA512e77442d144cad2635a3078a5359b24d9febc164fdfb6424cff5b4d02775ece2df3bdf6575170a9eec9b1d3ce22370efb726c9c611db86fac8d530ce2e9a7903e
-
C:\Windows\System32\NtVOtMM\SVcBHFCVF.dllFilesize
543.7MB
MD51cd2550e072ec2792339b133005549ed
SHA1c2839a8bc63517bcee9ec16a222690e0f8aa3a74
SHA256af9f8a5c3e4edb4798c25b6fe3e41eeba5d4a41782dbf81a7ba5b3a93652a02a
SHA512e77442d144cad2635a3078a5359b24d9febc164fdfb6424cff5b4d02775ece2df3bdf6575170a9eec9b1d3ce22370efb726c9c611db86fac8d530ce2e9a7903e
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memory/744-138-0x00007FFFB3DD0000-0x00007FFFB3DE0000-memory.dmpFilesize
64KB
-
memory/744-220-0x00007FFFB5E30000-0x00007FFFB5E40000-memory.dmpFilesize
64KB
-
memory/744-133-0x00007FFFB5E30000-0x00007FFFB5E40000-memory.dmpFilesize
64KB
-
memory/744-137-0x00007FFFB5E30000-0x00007FFFB5E40000-memory.dmpFilesize
64KB
-
memory/744-223-0x00007FFFB5E30000-0x00007FFFB5E40000-memory.dmpFilesize
64KB
-
memory/744-136-0x00007FFFB5E30000-0x00007FFFB5E40000-memory.dmpFilesize
64KB
-
memory/744-222-0x00007FFFB5E30000-0x00007FFFB5E40000-memory.dmpFilesize
64KB
-
memory/744-134-0x00007FFFB5E30000-0x00007FFFB5E40000-memory.dmpFilesize
64KB
-
memory/744-221-0x00007FFFB5E30000-0x00007FFFB5E40000-memory.dmpFilesize
64KB
-
memory/744-135-0x00007FFFB5E30000-0x00007FFFB5E40000-memory.dmpFilesize
64KB
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memory/744-139-0x00007FFFB3DD0000-0x00007FFFB3DE0000-memory.dmpFilesize
64KB
-
memory/2116-190-0x00000000020F0000-0x00000000021B1000-memory.dmpFilesize
772KB
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memory/2116-185-0x00000000020F0000-0x00000000021B1000-memory.dmpFilesize
772KB
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memory/5024-182-0x0000000000BA0000-0x0000000000BA1000-memory.dmpFilesize
4KB
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memory/5024-176-0x0000000180000000-0x000000018002D000-memory.dmpFilesize
180KB