Analysis
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max time kernel
100s -
max time network
138s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
27-07-2021 08:47
Static task
static1
Behavioral task
behavioral1
Sample
Invoice_115952(1).xlsm
Resource
win7v20210408
General
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Target
Invoice_115952(1).xlsm
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Size
328KB
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MD5
4dfc77e45068635df70a32fd5bcdeb01
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SHA1
01e6f96db1fc9adfb6ef49beed0abaf6a12eab3a
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SHA256
cdc866753e7d7865e67e31047a60468f6c7eb80290df4c4e16d3697eb8db12b6
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SHA512
ab835a2bfe72e82dafd3abb27521484c901f94114c493bcd47b7e295a6ccffb67cb2aeab9ee892d6b9dee46e17cf77b57080ed173d9e17dd893cb4ef72607ce0
Malware Config
Extracted
dridex
22202
45.79.33.48:443
139.162.202.74:5007
68.183.216.174:7443
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:
mshta.exedescription pid pid_target process target process Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1336 332 mshta.exe EXCEL.EXE -
Processes:
resource yara_rule behavioral1/memory/752-71-0x000000006A6B0000-0x000000006A6E0000-memory.dmp dridex_ldr -
Blocklisted process makes network request 1 IoCs
Processes:
mshta.exeflow pid process 4 1336 mshta.exe -
Downloads MZ/PE file
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Loads dropped DLL 4 IoCs
Processes:
rundll32.exepid process 752 rundll32.exe 752 rundll32.exe 752 rundll32.exe 752 rundll32.exe -
Processes:
rundll32.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe -
Office loads VBA resources, possible macro or embedded object present
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Enumerates system info in registry 2 TTPs 1 IoCs
Processes:
EXCEL.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE -
Processes:
EXCEL.EXEmshta.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel EXCEL.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" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Main mshta.exe Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt EXCEL.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" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote EXCEL.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" EXCEL.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" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 332 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 5 IoCs
Processes:
EXCEL.EXEpid process 332 EXCEL.EXE 332 EXCEL.EXE 332 EXCEL.EXE 332 EXCEL.EXE 332 EXCEL.EXE -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
EXCEL.EXEmshta.exedescription pid process target process PID 332 wrote to memory of 1336 332 EXCEL.EXE mshta.exe PID 332 wrote to memory of 1336 332 EXCEL.EXE mshta.exe PID 332 wrote to memory of 1336 332 EXCEL.EXE mshta.exe PID 332 wrote to memory of 1336 332 EXCEL.EXE mshta.exe PID 1336 wrote to memory of 752 1336 mshta.exe rundll32.exe PID 1336 wrote to memory of 752 1336 mshta.exe rundll32.exe PID 1336 wrote to memory of 752 1336 mshta.exe rundll32.exe PID 1336 wrote to memory of 752 1336 mshta.exe rundll32.exe PID 1336 wrote to memory of 752 1336 mshta.exe rundll32.exe PID 1336 wrote to memory of 752 1336 mshta.exe rundll32.exe PID 1336 wrote to memory of 752 1336 mshta.exe rundll32.exe
Processes
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C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\Invoice_115952(1).xlsm1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\mshta.exemshta C:\ProgramData//theListDataTypeCounter.sct2⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
- Modifies Internet Explorer settings
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\ProgramData\qTransparent.dll,AddLookaside3⤵
- Loads dropped DLL
- Checks whether UAC is enabled
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\ProgramData\qTransparent.dllMD5
67071ed11a700b61671279a7992a6c78
SHA12d40f919a8068b2144720a9f335916faca889eec
SHA2564b120f29271c702c4825fcf99295dc96eb975f4176291010af948b552ab5739f
SHA5121950ad3e7f6d5d7f4d6269693a85b32d953e2107bc308f56c07d2a0a26dc2e1ee4606de14fd365296d6332d0fa9395316b21bc5c10d1653a8447665f4b3e6961
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C:\ProgramData\theListDataTypeCounter.sctMD5
cc6c35ff269c0955f69338abc3e34caa
SHA1f0be5b47ed1d39e3566b15c0f827e5c934d93989
SHA2562e00bea733bbb04645ba8ac06fa5e3f1dd0dc206ca86d9eb5915a1fc86781fc9
SHA512f77955b116f085dbfc8f61568e3a3307599f98a1b2e349742bb62970f65f1443ddf00c231ee6751a63c3253e8ec2edbd5fafec5a9932e0cd46dca581843b105c
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\ProgramData\qTransparent.dllMD5
67071ed11a700b61671279a7992a6c78
SHA12d40f919a8068b2144720a9f335916faca889eec
SHA2564b120f29271c702c4825fcf99295dc96eb975f4176291010af948b552ab5739f
SHA5121950ad3e7f6d5d7f4d6269693a85b32d953e2107bc308f56c07d2a0a26dc2e1ee4606de14fd365296d6332d0fa9395316b21bc5c10d1653a8447665f4b3e6961
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\ProgramData\qTransparent.dllMD5
67071ed11a700b61671279a7992a6c78
SHA12d40f919a8068b2144720a9f335916faca889eec
SHA2564b120f29271c702c4825fcf99295dc96eb975f4176291010af948b552ab5739f
SHA5121950ad3e7f6d5d7f4d6269693a85b32d953e2107bc308f56c07d2a0a26dc2e1ee4606de14fd365296d6332d0fa9395316b21bc5c10d1653a8447665f4b3e6961
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\ProgramData\qTransparent.dllMD5
67071ed11a700b61671279a7992a6c78
SHA12d40f919a8068b2144720a9f335916faca889eec
SHA2564b120f29271c702c4825fcf99295dc96eb975f4176291010af948b552ab5739f
SHA5121950ad3e7f6d5d7f4d6269693a85b32d953e2107bc308f56c07d2a0a26dc2e1ee4606de14fd365296d6332d0fa9395316b21bc5c10d1653a8447665f4b3e6961
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\ProgramData\qTransparent.dllMD5
67071ed11a700b61671279a7992a6c78
SHA12d40f919a8068b2144720a9f335916faca889eec
SHA2564b120f29271c702c4825fcf99295dc96eb975f4176291010af948b552ab5739f
SHA5121950ad3e7f6d5d7f4d6269693a85b32d953e2107bc308f56c07d2a0a26dc2e1ee4606de14fd365296d6332d0fa9395316b21bc5c10d1653a8447665f4b3e6961
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memory/332-60-0x0000000071211000-0x0000000071213000-memory.dmpFilesize
8KB
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memory/332-61-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB
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memory/332-74-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB
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memory/332-59-0x000000002F0A1000-0x000000002F0A4000-memory.dmpFilesize
12KB
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memory/752-65-0x0000000075FF1000-0x0000000075FF3000-memory.dmpFilesize
8KB
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memory/752-64-0x0000000000000000-mapping.dmp
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memory/752-71-0x000000006A6B0000-0x000000006A6E0000-memory.dmpFilesize
192KB
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memory/752-73-0x00000000000D0000-0x00000000000D6000-memory.dmpFilesize
24KB
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memory/1336-62-0x0000000000000000-mapping.dmp