Analysis
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max time kernel
8s -
max time network
177s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
16-07-2021 03:04
Static task
static1
Behavioral task
behavioral1
Sample
REFO21668.xlsx.exe
Resource
win7v20210410
Behavioral task
behavioral2
Sample
REFO21668.xlsx.exe
Resource
win10v20210408
General
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Target
REFO21668.xlsx.exe
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Size
403KB
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MD5
c608a08fb7b01f8fae2707d4d7f76bc7
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SHA1
78f06e5a4eb12ebb3afdd5026ce78cd8afa1b5a1
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SHA256
69d13ed33f3712063fae1094b337ddc9e3b8ca02762adc10553630d145e6dfb1
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SHA512
656c73ec657597f81d9be6748af315cb86e923c7b735204855a5dd690f14bdd76c33b28af8d837b6bb161e9bbf7295be7daf3bc116fbda47299845464d772017
Malware Config
Extracted
warzonerat
blacice24.hopto.org:5032
Signatures
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WarzoneRat, AveMaria
WarzoneRat is a native RAT developed in C++ with multiple plugins sold as a MaaS.
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Warzone RAT Payload 1 IoCs
Processes:
resource yara_rule behavioral1/memory/844-64-0x0000000000400000-0x0000000000554000-memory.dmp warzonerat -
Loads dropped DLL 7 IoCs
Processes:
REFO21668.xlsx.exeREFO21668.xlsx.exepid process 1660 REFO21668.xlsx.exe 844 REFO21668.xlsx.exe 844 REFO21668.xlsx.exe 844 REFO21668.xlsx.exe 844 REFO21668.xlsx.exe 844 REFO21668.xlsx.exe 844 REFO21668.xlsx.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Suspicious use of SetThreadContext 1 IoCs
Processes:
REFO21668.xlsx.exedescription pid process target process PID 1660 set thread context of 844 1660 REFO21668.xlsx.exe REFO21668.xlsx.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
REFO21668.xlsx.exepid process 1660 REFO21668.xlsx.exe -
Suspicious use of WriteProcessMemory 5 IoCs
Processes:
REFO21668.xlsx.exedescription pid process target process PID 1660 wrote to memory of 844 1660 REFO21668.xlsx.exe REFO21668.xlsx.exe PID 1660 wrote to memory of 844 1660 REFO21668.xlsx.exe REFO21668.xlsx.exe PID 1660 wrote to memory of 844 1660 REFO21668.xlsx.exe REFO21668.xlsx.exe PID 1660 wrote to memory of 844 1660 REFO21668.xlsx.exe REFO21668.xlsx.exe PID 1660 wrote to memory of 844 1660 REFO21668.xlsx.exe REFO21668.xlsx.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\REFO21668.xlsx.exe"C:\Users\Admin\AppData\Local\Temp\REFO21668.xlsx.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\REFO21668.xlsx.exe"C:\Users\Admin\AppData\Local\Temp\REFO21668.xlsx.exe"2⤵
- Loads dropped DLL
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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\Users\Admin\AppData\Local\Temp\freebl3.dllMD5
ef12ab9d0b231b8f898067b2114b1bc0
SHA16d90f27b2105945f9bb77039e8b892070a5f9442
SHA2562b00fc4f541ac10c94e3556ff28e30a801811c36422546a546a445aca3f410f7
SHA5122aa62bfba556ad8f042942dd25aa071ff6677c257904377c1ec956fd9e862abcbf379e0cfd8c630c303a32ece75618c24e3eef58bddb705c427985b944689193
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\Users\Admin\AppData\Local\Temp\ionusddh.dllMD5
dcba63990145394a233235ceeee0748a
SHA16869ec195be7dfe544c8dd3b25f23b9d4c580dc7
SHA256048632a11c5f6ea81f27f4905d5edf81a96f915297a35d6d76d4a020da5413a9
SHA512969b37e07acb3dd879a1da5f8c7288dd3b045b0bd9ef32a4f338896b3352adf7b04ffd4d2bf4ee71e1e3d30d16662d1d78ecb699c510ee552a2aafb452723637
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\Users\Admin\AppData\Local\Temp\mozglue.dllMD5
75f8cc548cabf0cc800c25047e4d3124
SHA1602676768f9faecd35b48c38a0632781dfbde10c
SHA256fb419a60305f17359e2ac0510233ee80e845885eee60607715c67dd88e501ef0
SHA512ed831c9c769aef3be253c52542cf032afa0a8fa5fe25ca704db65ee6883c608220df7102ac2b99ee9c2e599a0f5db99fd86894a4b169e68440eb1b0d0012672f
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\Users\Admin\AppData\Local\Temp\msvcp140.dllMD5
109f0f02fd37c84bfc7508d4227d7ed5
SHA1ef7420141bb15ac334d3964082361a460bfdb975
SHA256334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4
SHA51246eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39
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\Users\Admin\AppData\Local\Temp\nss3.dllMD5
d7858e8449004e21b01d468e9fd04b82
SHA19524352071ede21c167e7e4f106e9526dc23ef4e
SHA25678758bf7f3b3b5e3477e38354acd32d787bc1286c8bd9b873471b9c195e638db
SHA5121e2c981e6c0ca36c60c6e9cae9548b866d5c524df837095b30d618d9c322def7134c20de820105400dd1b58076b66d90274f67773ac6ba914f611b419babb440
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\Users\Admin\AppData\Local\Temp\softokn3.dllMD5
471c983513694ac3002590345f2be0da
SHA16612b9af4ff6830fa9b7d4193078434ef72f775b
SHA256bb3ff746471116c6ad0339fa0522aa2a44a787e33a29c7b27649a054ecd4d00f
SHA512a9b0fb923bc3b567e933de10b141a3e9213640e3d790b4c4d753cf220d55593ae8026102909969ba6bfc22da3b2fcd01e30a9f5a74bd14a0fdec9beaf0fb1410
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\Users\Admin\AppData\Local\Temp\vcruntime140.dllMD5
7587bf9cb4147022cd5681b015183046
SHA1f2106306a8f6f0da5afb7fc765cfa0757ad5a628
SHA256c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d
SHA5120b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f
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memory/844-62-0x0000000000405CE2-mapping.dmp
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memory/844-64-0x0000000000400000-0x0000000000554000-memory.dmpFilesize
1.3MB
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memory/844-66-0x0000000003770000-0x00000000037F4000-memory.dmpFilesize
528KB
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memory/1660-60-0x0000000076E11000-0x0000000076E13000-memory.dmpFilesize
8KB