Analysis
- max time kernel
145s - max time network
137s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system - submitted
09/11/2022, 16:47
Behavioral task
behavioral1
Sample
09112022.xls
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
09112022.xls
Resource
win10v2004-20220901-en
General
- Target 09112022.xls
- Size 91KB
- Sample221109-vaqx9acbbk
- SHA256 16e8d36e5a49f296076c6f5a8170eef9d901e768bfd4a523a6e46295195fb474
- MD5 b3717547974b7b01a1aa1efcb2344391
- SHA1 9e73d5e178592aaab9e9d728cac487dac87c8cb1
- SHA512 562ebd4ef4b79333b9004d7769a8455000a9fe1e5b638c293a7f1b930735ab703084e6806eccdb540f980e897d19914f5e6e12fb7a8df68281f3ca9a9a449031
- SSDEEP 1536:LKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgEbCXuZH4gb4CEn9J4ZAEM:LKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg5
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
xlm4.0
-
xlm40.dropper
http://www.muyehuayi.com/cmp/8asA99KPsyA/v6lUsWbLen/
-
xlm40.dropper
http://concivilpa.com.py/wp-admin/i3CQu9dzDrMW/
-
xlm40.dropper
https://wijsneusmedia.nl/cgi-bin/kFB/
-
xlm40.dropper
http://www.angloextrema.com.br/assets/oEt1yYckHKlnNIq/
Extracted
-
emotet
-
Epoch5
-
178.238.225.252:8080
-
139.196.72.155:8080
-
36.67.23.59:443
-
103.56.149.105:8080
-
37.44.244.177:8080
-
85.25.120.45:8080
-
202.134.4.210:7080
-
78.47.204.80:443
-
83.229.80.93:8080
-
93.104.209.107:8080
-
80.211.107.116:8080
-
165.22.254.236:8080
-
104.244.79.94:443
-
185.148.169.10:8080
-
190.145.8.4:443
-
175.126.176.79:8080
-
139.59.80.108:8080
-
188.165.79.151:443
-
128.199.217.206:443
-
64.227.55.231:8080
-
218.38.121.17:443
-
103.71.99.57:8080
-
103.224.241.74:8080
-
128.199.242.164:8080
-
85.214.67.203:8080
-
103.254.12.236:7080
-
46.101.98.60:8080
-
178.62.112.199:8080
-
210.57.209.142:8080
-
195.77.239.39:8080
-
103.126.216.86:443
-
82.98.180.154:7080
-
202.28.34.99:8080
-
174.138.33.49:7080
-
160.16.143.191:8080
-
51.75.33.122:443
-
103.41.204.169:8080
-
186.250.48.5:443
-
87.106.97.83:7080
-
118.98.72.86:443
-
196.44.98.190:8080
-
103.85.95.4:8080
-
62.171.178.147:8080
-
54.37.228.122:443
-
114.79.130.68:443
-
198.199.70.22:8080
Signatures
- Process spawned unexpected child process 4 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
description pid pid_target Process procid_target Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3724 4712 regsvr32.exe 79 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 460 4712 regsvr32.exe 79 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1168 4712 regsvr32.exe 79 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3096 4712 regsvr32.exe 79 - Downloads MZ/PE file
- Loads dropped DLL 8 IoCs
pid Process 3724 regsvr32.exe 3372 regsvr32.exe 460 regsvr32.exe 440 regsvr32.exe 1168 regsvr32.exe 5000 regsvr32.exe 3096 regsvr32.exe 4676 regsvr32.exe - Adds Run key to start application 2 TTPs 8 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lbveRKrBoEU.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\NYxBzqZgeLVWlQr\\lbveRKrBoEU.dll\"" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NnNBKP.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\OYJyVs\\NnNBKP.dll\"" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\iOfLMpMCnxQzO.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\TOlhTtGoEFVeMBBl\\iOfLMpMCnxQzO.dll\"" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mAOwiewXwf.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\ROyrwhxJiXkAaDVO\\mAOwiewXwf.dll\"" regsvr32.exe - Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE - Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 4712 EXCEL.EXE - Suspicious behavior: EnumeratesProcesses 24 IoCs
pid Process 3724 regsvr32.exe 3724 regsvr32.exe 3372 regsvr32.exe 3372 regsvr32.exe 3372 regsvr32.exe 3372 regsvr32.exe 460 regsvr32.exe 460 regsvr32.exe 440 regsvr32.exe 440 regsvr32.exe 440 regsvr32.exe 440 regsvr32.exe 1168 regsvr32.exe 1168 regsvr32.exe 5000 regsvr32.exe 5000 regsvr32.exe 5000 regsvr32.exe 5000 regsvr32.exe 3096 regsvr32.exe 3096 regsvr32.exe 4676 regsvr32.exe 4676 regsvr32.exe 4676 regsvr32.exe 4676 regsvr32.exe - Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 4712 EXCEL.EXE 4712 EXCEL.EXE 4712 EXCEL.EXE 4712 EXCEL.EXE 4712 EXCEL.EXE 4712 EXCEL.EXE 4712 EXCEL.EXE 4712 EXCEL.EXE 4712 EXCEL.EXE 4712 EXCEL.EXE 4712 EXCEL.EXE 4712 EXCEL.EXE - Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 4712 wrote to memory of 3724 4712 EXCEL.EXE 81 PID 4712 wrote to memory of 3724 4712 EXCEL.EXE 81 PID 3724 wrote to memory of 3372 3724 regsvr32.exe 82 PID 3724 wrote to memory of 3372 3724 regsvr32.exe 82 PID 4712 wrote to memory of 460 4712 EXCEL.EXE 83 PID 4712 wrote to memory of 460 4712 EXCEL.EXE 83 PID 460 wrote to memory of 440 460 regsvr32.exe 87 PID 460 wrote to memory of 440 460 regsvr32.exe 87 PID 4712 wrote to memory of 1168 4712 EXCEL.EXE 88 PID 4712 wrote to memory of 1168 4712 EXCEL.EXE 88 PID 1168 wrote to memory of 5000 1168 regsvr32.exe 90 PID 1168 wrote to memory of 5000 1168 regsvr32.exe 90 PID 4712 wrote to memory of 3096 4712 EXCEL.EXE 91 PID 4712 wrote to memory of 3096 4712 EXCEL.EXE 91 PID 3096 wrote to memory of 4676 3096 regsvr32.exe 92 PID 3096 wrote to memory of 4676 3096 regsvr32.exe 92
Processes
-
C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\09112022.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4712 -
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3724 -
C:\Windows\system32\regsvr32.exeC:\Windows\system32\regsvr32.exe "C:\Windows\system32\ROyrwhxJiXkAaDVO\mAOwiewXwf.dll"3⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:3372
-
-
-
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:460 -
C:\Windows\system32\regsvr32.exeC:\Windows\system32\regsvr32.exe "C:\Windows\system32\NYxBzqZgeLVWlQr\lbveRKrBoEU.dll"3⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:440
-
-
-
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1168 -
C:\Windows\system32\regsvr32.exeC:\Windows\system32\regsvr32.exe "C:\Windows\system32\OYJyVs\NnNBKP.dll"3⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:5000
-
-
-
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3096 -
C:\Windows\system32\regsvr32.exeC:\Windows\system32\regsvr32.exe "C:\Windows\system32\TOlhTtGoEFVeMBBl\iOfLMpMCnxQzO.dll"3⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:4676
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\elv1.ooocccxxx
- Size 434KB
- SHA256 14578122ff80fa1c095868612b7f243f7a6bb9f103e0547075d2b0bf2c062a92
- MD5 9d4e38dec8c994650ee6f8b6bf83d972
- SHA1 8e3d50d0b249a98f7cd6261959a15f37c311a6b7
- SHA512 c7e9850c75350c68a17f1389c47e922f4dc707ce6b0441fd488346409d6a97aa9e007d7ffe0a3fc7cfc80dbac4740335c0909784b840ab4ba349d0498682ee9f
- SSDEEP 12288:O2APV8K2Xtw/V6XHWRBkF2TlfnBBO4Xlzr:ObB2Xq/cmRq2B+4VX
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\elv1.ooocccxxx
- Size 434KB
- SHA256 14578122ff80fa1c095868612b7f243f7a6bb9f103e0547075d2b0bf2c062a92
- MD5 9d4e38dec8c994650ee6f8b6bf83d972
- SHA1 8e3d50d0b249a98f7cd6261959a15f37c311a6b7
- SHA512 c7e9850c75350c68a17f1389c47e922f4dc707ce6b0441fd488346409d6a97aa9e007d7ffe0a3fc7cfc80dbac4740335c0909784b840ab4ba349d0498682ee9f
- SSDEEP 12288:O2APV8K2Xtw/V6XHWRBkF2TlfnBBO4Xlzr:ObB2Xq/cmRq2B+4VX
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\elv2.ooocccxxx
- Size 434KB
- SHA256 429359d252a91bd13e86715adb46e30d90d6a28db086b61288f5949f58bbf3e4
- MD5 5e691b899aa879070eea27da6c9ba03e
- SHA1 13092137b8acec678ce3734280914be7c3bcda68
- SHA512 bda6033716ac1432c698a532513cd7bc09a7b2dbd8135453c8170318af63e4c02ed737cd8dd504cedd17c722e129d049df38fdbf9816435823f4be40342018da
- SSDEEP 12288:O2APV8K2Xtw/V6XHWRBkF2TlfnBBO4Xlz0:ObB2Xq/cmRq2B+4Vg
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\elv2.ooocccxxx
- Size 434KB
- SHA256 429359d252a91bd13e86715adb46e30d90d6a28db086b61288f5949f58bbf3e4
- MD5 5e691b899aa879070eea27da6c9ba03e
- SHA1 13092137b8acec678ce3734280914be7c3bcda68
- SHA512 bda6033716ac1432c698a532513cd7bc09a7b2dbd8135453c8170318af63e4c02ed737cd8dd504cedd17c722e129d049df38fdbf9816435823f4be40342018da
- SSDEEP 12288:O2APV8K2Xtw/V6XHWRBkF2TlfnBBO4Xlz0:ObB2Xq/cmRq2B+4Vg
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\elv3.ooocccxxx
- Size 434KB
- SHA256 c94d2cb13dc7c15774647d99ab439b3208e0e8f68cb638235cfc42289abc7aa3
- MD5 e6937225aaf81721f55ae67179a4a644
- SHA1 d1b35ef2b68b40740044fadb31d7c34dc0dc8b25
- SHA512 c0b9c83ac567aa03372cf1136c48a598451b7744c9c73447d1f4c7677aae7699f62317efa49ca74641afa651ec1ac2c8236bf645cc2324e4e9487e8e42039dcc
- SSDEEP 12288:O2APV8K2Xtw/V6XHWRBkF2TlfnBBO4Xlz7:ObB2Xq/cmRq2B+4Vf
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\elv3.ooocccxxx
- Size 434KB
- SHA256 c94d2cb13dc7c15774647d99ab439b3208e0e8f68cb638235cfc42289abc7aa3
- MD5 e6937225aaf81721f55ae67179a4a644
- SHA1 d1b35ef2b68b40740044fadb31d7c34dc0dc8b25
- SHA512 c0b9c83ac567aa03372cf1136c48a598451b7744c9c73447d1f4c7677aae7699f62317efa49ca74641afa651ec1ac2c8236bf645cc2324e4e9487e8e42039dcc
- SSDEEP 12288:O2APV8K2Xtw/V6XHWRBkF2TlfnBBO4Xlz7:ObB2Xq/cmRq2B+4Vf
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\elv4.ooocccxxx
- Size 434KB
- SHA256 ca52ad02f837d67faffe0404bbbe4b38d0892391010b58465506db2da7ac8dc7
- MD5 cb2140a8a79ff50ad119a3ec5e1c4107
- SHA1 cf07309a43ef6ce2f7a6f11ad3f2d76f206cca8b
- SHA512 a862deacae9f175519a41ecfae706a9033c2e2c88ed2be0333ee7203b805d036236755f6089e1324d9d878b774631c3107cbbd0e492b0f6cacc705f6ed5a29e7
- SSDEEP 12288:O2APV8K2Xtw/V6XHWRBkF2TlfnBBO4Xlzg:ObB2Xq/cmRq2B+4VE
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\elv4.ooocccxxx
- Size 434KB
- SHA256 ca52ad02f837d67faffe0404bbbe4b38d0892391010b58465506db2da7ac8dc7
- MD5 cb2140a8a79ff50ad119a3ec5e1c4107
- SHA1 cf07309a43ef6ce2f7a6f11ad3f2d76f206cca8b
- SHA512 a862deacae9f175519a41ecfae706a9033c2e2c88ed2be0333ee7203b805d036236755f6089e1324d9d878b774631c3107cbbd0e492b0f6cacc705f6ed5a29e7
- SSDEEP 12288:O2APV8K2Xtw/V6XHWRBkF2TlfnBBO4Xlzg:ObB2Xq/cmRq2B+4VE
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\System32\NYxBzqZgeLVWlQr\lbveRKrBoEU.dll
- Size 434KB
- SHA256 429359d252a91bd13e86715adb46e30d90d6a28db086b61288f5949f58bbf3e4
- MD5 5e691b899aa879070eea27da6c9ba03e
- SHA1 13092137b8acec678ce3734280914be7c3bcda68
- SHA512 bda6033716ac1432c698a532513cd7bc09a7b2dbd8135453c8170318af63e4c02ed737cd8dd504cedd17c722e129d049df38fdbf9816435823f4be40342018da
- SSDEEP 12288:O2APV8K2Xtw/V6XHWRBkF2TlfnBBO4Xlz0:ObB2Xq/cmRq2B+4Vg
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\System32\OYJyVs\NnNBKP.dll
- Size 434KB
- SHA256 c94d2cb13dc7c15774647d99ab439b3208e0e8f68cb638235cfc42289abc7aa3
- MD5 e6937225aaf81721f55ae67179a4a644
- SHA1 d1b35ef2b68b40740044fadb31d7c34dc0dc8b25
- SHA512 c0b9c83ac567aa03372cf1136c48a598451b7744c9c73447d1f4c7677aae7699f62317efa49ca74641afa651ec1ac2c8236bf645cc2324e4e9487e8e42039dcc
- SSDEEP 12288:O2APV8K2Xtw/V6XHWRBkF2TlfnBBO4Xlz7:ObB2Xq/cmRq2B+4Vf
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\System32\ROyrwhxJiXkAaDVO\mAOwiewXwf.dll
- Size 434KB
- SHA256 14578122ff80fa1c095868612b7f243f7a6bb9f103e0547075d2b0bf2c062a92
- MD5 9d4e38dec8c994650ee6f8b6bf83d972
- SHA1 8e3d50d0b249a98f7cd6261959a15f37c311a6b7
- SHA512 c7e9850c75350c68a17f1389c47e922f4dc707ce6b0441fd488346409d6a97aa9e007d7ffe0a3fc7cfc80dbac4740335c0909784b840ab4ba349d0498682ee9f
- SSDEEP 12288:O2APV8K2Xtw/V6XHWRBkF2TlfnBBO4Xlzr:ObB2Xq/cmRq2B+4VX
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\System32\TOlhTtGoEFVeMBBl\iOfLMpMCnxQzO.dll
- Size 434KB
- SHA256 ca52ad02f837d67faffe0404bbbe4b38d0892391010b58465506db2da7ac8dc7
- MD5 cb2140a8a79ff50ad119a3ec5e1c4107
- SHA1 cf07309a43ef6ce2f7a6f11ad3f2d76f206cca8b
- SHA512 a862deacae9f175519a41ecfae706a9033c2e2c88ed2be0333ee7203b805d036236755f6089e1324d9d878b774631c3107cbbd0e492b0f6cacc705f6ed5a29e7
- SSDEEP 12288:O2APV8K2Xtw/V6XHWRBkF2TlfnBBO4Xlzg:ObB2Xq/cmRq2B+4VE
- MD5 SHA1 SHA512 SSDEEP