Analysis
-
max time kernel
17s -
max time network
130s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
10-03-2023 09:39
Behavioral task
behavioral1
Sample
2023-03-08_1254.zip
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
2023-03-08_1254.zip
Resource
win10v2004-20230220-en
Behavioral task
behavioral3
Sample
2023-03-08_1254.doc
Resource
win7-20230220-en
Behavioral task
behavioral4
Sample
2023-03-08_1254.doc
Resource
win10v2004-20230220-en
Behavioral task
behavioral5
Sample
email-html-1.html
Resource
win7-20230220-en
Behavioral task
behavioral6
Sample
email-html-1.html
Resource
win10v2004-20230220-en
General
-
Target
2023-03-08_1254.doc
-
Size
515.3MB
-
MD5
56fa3a6a45a6c48a6582c8ce100cb094
-
SHA1
79fa05d995a6dab74a6b85259ad83533fb4ecd08
-
SHA256
b4337a636049658bd281de947f0357e33efa17f3f80c3904d959cf6777df001d
-
SHA512
c65a4eab76532c4ca48eefe5814affc614b990eb2eac3e7cbcfe308ef9f0521382c9562be5aed5c338ddb9d761c3da66eda9de4638990c794bd33bc640252b35
-
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 1640 736 regsvr32.exe WINWORD.EXE -
Loads dropped DLL 1 IoCs
Processes:
regsvr32.exepid process 1640 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 opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WINWORD.EXE -
Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.
Processes:
description flow ioc HTTP User-Agent header 33 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
Processes:
WINWORD.EXEpid process 736 WINWORD.EXE 736 WINWORD.EXE -
Suspicious use of FindShellTrayWindow 3 IoCs
Processes:
WINWORD.EXEpid process 736 WINWORD.EXE 736 WINWORD.EXE 736 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
WINWORD.EXEpid process 736 WINWORD.EXE 736 WINWORD.EXE 736 WINWORD.EXE 736 WINWORD.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
WINWORD.EXEdescription pid process target process PID 736 wrote to memory of 1640 736 WINWORD.EXE regsvr32.exe PID 736 wrote to memory of 1640 736 WINWORD.EXE regsvr32.exe
Processes
-
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\2023-03-08_1254.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
PID:736 -
C:\Windows\System32\regsvr32.exe"C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\094022.tmp"2⤵
- Process spawned unexpected child process
- Loads dropped DLL
PID:1640 -
C:\Windows\system32\regsvr32.exeC:\Windows\system32\regsvr32.exe "C:\Windows\system32\MCNhG\FBMOscZERzPTnAHt.dll"3⤵PID:368
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
419.5MB
MD5b80ae21470caae222ae63db6d7a745fa
SHA162c71698608c5334b297044fe96f9da7887d4c44
SHA256e3da11e2e2a412e6697cd5dc8c2ffdc99a9634c967633423481d9ef0f1698d0c
SHA5124fcce7a50fe21f2bdd8049eda8a5e88ab9295ec35dd61e752233c6ddf1068eacbd0172b72eaa06c82f2c17f284603157bb61d41c84d85d40cd0802f84b4d61c4
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Filesize
429.0MB
MD5d0e6e226d62ba8930383d2d6072ef1b0
SHA16245972738e40981a54e6ca8bdbe7f8d743e7a07
SHA256702a0a5ef584c36d5cb4cafba7a4dc0a5e3ff45d0172a68cfdd82d1c4503d350
SHA5128885929b2285b3e2c49471fbb47a99a54463ed2c1391595d5565b1a181fd3d8a270cd26fbf805bfc9644e668cca66fefa3997d2c15f0713086fb197a5a018722
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Filesize
867KB
MD56c839d892fef2f37d973ca28ce5e7a3b
SHA1175ee07dc770ad81455d1f95152f1ae07e875e0e
SHA256b2f19314b692f584203e6711e8d54f32b91a7864adbd203a4eaf6785042d47d9
SHA51218a1ffa1876554a0e7716cbe5d77ce26a373aeb16992986bb8baaece2af502b576d7001a4271ceda09cec6fbbe750c06c8d40d4449ff8b52d01a924a49462af7
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Filesize
362.9MB
MD5ba2eaad8c9a00749b282cf7ea8763aaa
SHA1ca38ab0a91cf79b1538b172979a5691628f57697
SHA25601f929ab65bf413f6ffda9d2564aaf7c02489dc154200b9ac80013d3c03b6842
SHA5127655315be65b2144a2436e1e6ec27828490a77441c04fbd95430d244a67b42ed3553d64516d04447df3efd9c9e4721fc33cbd1b062cf17e804fa32463a5dfe06