Analysis
- max time kernel
147s - max time network
158s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
07/06/2024, 05:55
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
640b35e62443a62ba15beba6aa317500.exe
Resource
win7-20240508-en
7 signatures
150 seconds
General
- Target 640b35e62443a62ba15beba6aa317500.exe
- Size 489KB
- Sample240607-gmgnfsae3x
- SHA256 a6008984e97e2336a4a267cd3c5cce17a67468c783f8ea9134081a260a02007d
- MD5 640b35e62443a62ba15beba6aa317500
- SHA1 09bac93ca0e9e16cc840d22e45a7f14f54a0745c
- SHA512 0046cbe3974aa855c4746270873bb5976727f325606538f15e82c30f3a4225894840b8c2a853267780d99ecd83c5ee56120adae4d079f7683d9481a29bd6b10a
- SSDEEP 6144:Oc0LIpbZrTSoNGAtGMbJ/Po13iKoBcymNzUEpKRzCnuzZs9rxzkETgY4Tavc:r0spbZrTJGMdkRoBjVZCnuzZs9rZTgN
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
amadey
Version
-
4.21
Botnet
-
9a3efc
C2
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http://check-ftp.ru
Attributes
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install_dir
b9695770f1
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install_file
Dctooux.exe
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strings_key
1d3a0f2941c4060dba7f23a378474944
-
url_paths
/forum/index.php
rc4.plain
Signatures
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation 640b35e62443a62ba15beba6aa317500.exe - Executes dropped EXE 2 IoCs
pid Process 2612 Dctooux.exe 4844 Dctooux.exe - Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\Tasks\Dctooux.job 640b35e62443a62ba15beba6aa317500.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 27 IoCs
pid pid_target Process procid_target 1388 3400 WerFault.exe 90 1304 3400 WerFault.exe 90 1940 3400 WerFault.exe 90 3684 3400 WerFault.exe 90 5000 3400 WerFault.exe 90 4804 3400 WerFault.exe 90 1344 3400 WerFault.exe 90 3408 3400 WerFault.exe 90 4724 3400 WerFault.exe 90 1004 3400 WerFault.exe 90 2124 2612 WerFault.exe 118 1648 2612 WerFault.exe 118 3428 2612 WerFault.exe 118 3044 2612 WerFault.exe 118 1376 2612 WerFault.exe 118 1940 2612 WerFault.exe 118 3684 2612 WerFault.exe 118 2672 2612 WerFault.exe 118 1008 2612 WerFault.exe 118 3296 2612 WerFault.exe 118 2024 2612 WerFault.exe 118 2088 2612 WerFault.exe 118 3832 2612 WerFault.exe 118 3528 2612 WerFault.exe 118 4632 2612 WerFault.exe 118 2764 2612 WerFault.exe 118 1940 4844 WerFault.exe 154 - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3400 640b35e62443a62ba15beba6aa317500.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3400 wrote to memory of 2612 3400 640b35e62443a62ba15beba6aa317500.exe 118 PID 3400 wrote to memory of 2612 3400 640b35e62443a62ba15beba6aa317500.exe 118 PID 3400 wrote to memory of 2612 3400 640b35e62443a62ba15beba6aa317500.exe 118
Processes
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C:\Users\Admin\AppData\Local\Temp\640b35e62443a62ba15beba6aa317500.exe"C:\Users\Admin\AppData\Local\Temp\640b35e62443a62ba15beba6aa317500.exe"1⤵
- Checks computer location settings
- Drops file in Windows directory
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3400 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3400 -s 7442⤵
- Program crash
PID:1388
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3400 -s 8002⤵
- Program crash
PID:1304
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3400 -s 8602⤵
- Program crash
PID:1940
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3400 -s 9362⤵
- Program crash
PID:3684
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3400 -s 9442⤵
- Program crash
PID:5000
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3400 -s 9082⤵
- Program crash
PID:4804
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3400 -s 11402⤵
- Program crash
PID:1344
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3400 -s 11802⤵
- Program crash
PID:3408
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3400 -s 12442⤵
- Program crash
PID:4724
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C:\Users\Admin\AppData\Local\Temp\b9695770f1\Dctooux.exe"C:\Users\Admin\AppData\Local\Temp\b9695770f1\Dctooux.exe"2⤵
- Executes dropped EXE
PID:2612 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2612 -s 5563⤵
- Program crash
PID:2124
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2612 -s 5643⤵
- Program crash
PID:1648
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2612 -s 5763⤵
- Program crash
PID:3428
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2612 -s 5843⤵
- Program crash
PID:3044
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2612 -s 7043⤵
- Program crash
PID:1376
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2612 -s 8883⤵
- Program crash
PID:1940
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2612 -s 7323⤵
- Program crash
PID:3684
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2612 -s 8883⤵
- Program crash
PID:2672
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2612 -s 6923⤵
- Program crash
PID:1008
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2612 -s 8883⤵
- Program crash
PID:3296
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2612 -s 9283⤵
- Program crash
PID:2024
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2612 -s 11723⤵
- Program crash
PID:2088
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2612 -s 14163⤵
- Program crash
PID:3832
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2612 -s 13723⤵
- Program crash
PID:3528
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2612 -s 13363⤵
- Program crash
PID:4632
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2612 -s 14803⤵
- Program crash
PID:2764
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3400 -s 7682⤵
- Program crash
PID:1004
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3400 -ip 34001⤵PID:2204
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 3400 -ip 34001⤵PID:3776
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 3400 -ip 34001⤵PID:1000
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 3400 -ip 34001⤵PID:1764
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3400 -ip 34001⤵PID:5012
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3400 -ip 34001⤵PID:1768
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 3400 -ip 34001⤵PID:368
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3400 -ip 34001⤵PID:2704
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3400 -ip 34001⤵PID:2144
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3400 -ip 34001⤵PID:2368
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4032 --field-trial-handle=2900,i,14549994492153927475,12895178890800740987,262144 --variations-seed-version /prefetch:81⤵PID:4516
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2612 -ip 26121⤵PID:3424
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2612 -ip 26121⤵PID:3284
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2612 -ip 26121⤵PID:3724
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2612 -ip 26121⤵PID:2204
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 2612 -ip 26121⤵PID:392
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2612 -ip 26121⤵PID:3760
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 2612 -ip 26121⤵PID:2096
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2612 -ip 26121⤵PID:4428
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 2612 -ip 26121⤵PID:4544
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 2612 -ip 26121⤵PID:744
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 2612 -ip 26121⤵PID:4468
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2612 -ip 26121⤵PID:3232
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 2612 -ip 26121⤵PID:2540
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 2612 -ip 26121⤵PID:4400
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2612 -ip 26121⤵PID:4376
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 2612 -ip 26121⤵PID:4228
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C:\Users\Admin\AppData\Local\Temp\b9695770f1\Dctooux.exeC:\Users\Admin\AppData\Local\Temp\b9695770f1\Dctooux.exe1⤵
- Executes dropped EXE
PID:4844 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4844 -s 4402⤵
- Program crash
PID:1940
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4844 -ip 48441⤵PID:1764
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\808065738166
- Size 74KB
- SHA256 436a461ceb66aa31677df1d7c9ad6e5386494d1a42cd02fb71d7c2d23c0c0a4e
- MD5 a668f8bbbcd87e0cfe2e84b7c14e3fbd
- SHA1 5f42bcd6b02a8c505ed3b4fb148d49eca7cce9a5
- SHA512 80c9764ce735d1464badf1442af8eb31e3b5bbafb7f0db5a04e4094f13a236a07a9e1785c2992a95cbdcfe905b6457e75d803a7769213f4fd2cac928dd52eb9d
- SSDEEP 1536:sTZBIvAIbHuHJTzaTUIXLJZseFDOviQ51H6MZDo6rcDfG/:WyvAvFOTJXFeQDOviqto62fG/
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\b9695770f1\Dctooux.exe
- Size 489KB
- SHA256 a6008984e97e2336a4a267cd3c5cce17a67468c783f8ea9134081a260a02007d
- MD5 640b35e62443a62ba15beba6aa317500
- SHA1 09bac93ca0e9e16cc840d22e45a7f14f54a0745c
- SHA512 0046cbe3974aa855c4746270873bb5976727f325606538f15e82c30f3a4225894840b8c2a853267780d99ecd83c5ee56120adae4d079f7683d9481a29bd6b10a
- SSDEEP 6144:Oc0LIpbZrTSoNGAtGMbJ/Po13iKoBcymNzUEpKRzCnuzZs9rxzkETgY4Tavc:r0spbZrTJGMdkRoBjVZCnuzZs9rZTgN
- MD5 SHA1 SHA512 SSDEEP