Analysis
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max time kernel
140s -
max time network
144s -
platform
windows7_x64 -
resource
win7-20240611-en -
resource tags
arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system -
submitted
15-06-2024 03:34
Static task
static1
Behavioral task
behavioral1
Sample
eecbe0ee158252e585f11e95a43462649a90440717091cecc2d8b4e030ce6446.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
eecbe0ee158252e585f11e95a43462649a90440717091cecc2d8b4e030ce6446.exe
Resource
win10v2004-20240508-en
General
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Target
eecbe0ee158252e585f11e95a43462649a90440717091cecc2d8b4e030ce6446.exe
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Size
264KB
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MD5
b07f706f25b6c1d3f9a62e3dd285f7c7
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SHA1
86a683855feb8ef56ae0060c10eef3cdbed4c4dc
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SHA256
eecbe0ee158252e585f11e95a43462649a90440717091cecc2d8b4e030ce6446
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SHA512
0f82fa6f36b770e4f0b79d2cffd2ba25be34037308650b503bc099979e07241da05ca07888e264120700fa7bef9b5746ebab247d99da13f5138e3285885f6ea2
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SSDEEP
6144:uf4/sJYWEbhtwaBV5ZFDQH7i6aEaS/vsd9YoeVjs:uf4QlGD3BV5ZFDfSRsd9YRBs
Malware Config
Signatures
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Detects executables containing base64 encoded User Agent 2 IoCs
Processes:
resource yara_rule behavioral1/memory/2360-26-0x0000000010000000-0x000000001006F000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent behavioral1/memory/2360-28-0x0000000010000000-0x000000001006F000-memory.dmp INDICATOR_SUSPICIOUS_EXE_B64_Encoded_UserAgent -
Deletes itself 1 IoCs
Processes:
zvyqjld.exepid process 3068 zvyqjld.exe -
Executes dropped EXE 2 IoCs
Processes:
zvyqjld.exeaplkit.exepid process 3068 zvyqjld.exe 2360 aplkit.exe -
Loads dropped DLL 7 IoCs
Processes:
cmd.exezvyqjld.exeaplkit.exepid process 2480 cmd.exe 2480 cmd.exe 3068 zvyqjld.exe 2360 aplkit.exe 2360 aplkit.exe 2360 aplkit.exe 2360 aplkit.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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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
aplkit.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000\Software\Microsoft\Windows\CurrentVersion\Run\Cache = "c:\\Program Files\\fymwetb\\aplkit.exe \"c:\\Program Files\\fymwetb\\aplkit.dll\",Cache" aplkit.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
aplkit.exedescription ioc process File opened (read-only) \??\k: aplkit.exe File opened (read-only) \??\j: aplkit.exe File opened (read-only) \??\p: aplkit.exe File opened (read-only) \??\s: aplkit.exe File opened (read-only) \??\v: aplkit.exe File opened (read-only) \??\w: aplkit.exe File opened (read-only) \??\x: aplkit.exe File opened (read-only) \??\z: aplkit.exe File opened (read-only) \??\n: aplkit.exe File opened (read-only) \??\i: aplkit.exe File opened (read-only) \??\l: aplkit.exe File opened (read-only) \??\m: aplkit.exe File opened (read-only) \??\o: aplkit.exe File opened (read-only) \??\u: aplkit.exe File opened (read-only) \??\a: aplkit.exe File opened (read-only) \??\e: aplkit.exe File opened (read-only) \??\g: aplkit.exe File opened (read-only) \??\h: aplkit.exe File opened (read-only) \??\q: aplkit.exe File opened (read-only) \??\r: aplkit.exe File opened (read-only) \??\t: aplkit.exe File opened (read-only) \??\y: aplkit.exe File opened (read-only) \??\b: aplkit.exe -
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
Processes:
aplkit.exedescription ioc process File opened for modification \??\PHYSICALDRIVE0 aplkit.exe -
Drops file in Program Files directory 4 IoCs
Processes:
zvyqjld.exedescription ioc process File opened for modification \??\c:\Program Files\fymwetb zvyqjld.exe File created \??\c:\Program Files\fymwetb\aplkit.dll zvyqjld.exe File created \??\c:\Program Files\fymwetb\aplkit.exe zvyqjld.exe File opened for modification \??\c:\Program Files\fymwetb\aplkit.exe zvyqjld.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
aplkit.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 aplkit.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString aplkit.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
aplkit.exepid process 2360 aplkit.exe 2360 aplkit.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
aplkit.exedescription pid process Token: SeDebugPrivilege 2360 aplkit.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
eecbe0ee158252e585f11e95a43462649a90440717091cecc2d8b4e030ce6446.exezvyqjld.exepid process 1244 eecbe0ee158252e585f11e95a43462649a90440717091cecc2d8b4e030ce6446.exe 3068 zvyqjld.exe -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
eecbe0ee158252e585f11e95a43462649a90440717091cecc2d8b4e030ce6446.execmd.exezvyqjld.exedescription pid process target process PID 1244 wrote to memory of 2480 1244 eecbe0ee158252e585f11e95a43462649a90440717091cecc2d8b4e030ce6446.exe cmd.exe PID 1244 wrote to memory of 2480 1244 eecbe0ee158252e585f11e95a43462649a90440717091cecc2d8b4e030ce6446.exe cmd.exe PID 1244 wrote to memory of 2480 1244 eecbe0ee158252e585f11e95a43462649a90440717091cecc2d8b4e030ce6446.exe cmd.exe PID 1244 wrote to memory of 2480 1244 eecbe0ee158252e585f11e95a43462649a90440717091cecc2d8b4e030ce6446.exe cmd.exe PID 2480 wrote to memory of 2212 2480 cmd.exe PING.EXE PID 2480 wrote to memory of 2212 2480 cmd.exe PING.EXE PID 2480 wrote to memory of 2212 2480 cmd.exe PING.EXE PID 2480 wrote to memory of 2212 2480 cmd.exe PING.EXE PID 2480 wrote to memory of 3068 2480 cmd.exe zvyqjld.exe PID 2480 wrote to memory of 3068 2480 cmd.exe zvyqjld.exe PID 2480 wrote to memory of 3068 2480 cmd.exe zvyqjld.exe PID 2480 wrote to memory of 3068 2480 cmd.exe zvyqjld.exe PID 3068 wrote to memory of 2360 3068 zvyqjld.exe aplkit.exe PID 3068 wrote to memory of 2360 3068 zvyqjld.exe aplkit.exe PID 3068 wrote to memory of 2360 3068 zvyqjld.exe aplkit.exe PID 3068 wrote to memory of 2360 3068 zvyqjld.exe aplkit.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\eecbe0ee158252e585f11e95a43462649a90440717091cecc2d8b4e030ce6446.exe"C:\Users\Admin\AppData\Local\Temp\eecbe0ee158252e585f11e95a43462649a90440717091cecc2d8b4e030ce6446.exe"1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.execmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\zvyqjld.exe "C:\Users\Admin\AppData\Local\Temp\eecbe0ee158252e585f11e95a43462649a90440717091cecc2d8b4e030ce6446.exe"2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 23⤵
- Runs ping.exe
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C:\Users\Admin\AppData\Local\Temp\zvyqjld.exeC:\Users\Admin\AppData\Local\Temp\\zvyqjld.exe "C:\Users\Admin\AppData\Local\Temp\eecbe0ee158252e585f11e95a43462649a90440717091cecc2d8b4e030ce6446.exe"3⤵
- Deletes itself
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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\??\c:\Program Files\fymwetb\aplkit.exe"c:\Program Files\fymwetb\aplkit.exe" "c:\Program Files\fymwetb\aplkit.dll",Cache C:\Users\Admin\AppData\Local\Temp\zvyqjld.exe4⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v13
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
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Downloads
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\??\c:\Program Files\fymwetb\aplkit.dllFilesize
188KB
MD5860870fd39a21d219c4bc7a5409fe5cd
SHA15fa0f4918e853907273a26eb82452add6070bcfa
SHA256af49bb1508c2e287c3fac8cbe33efe7ffe99f04358ec23192e1e86e4db552d3e
SHA512a58c0c8de5afc4bd8c2ed1b039c0a08b10b02585ac07ee7880589214448b1d1dff6db05b24ef6e266cd00f574e01948fae0768f8527880933ad03fc41fc560e8
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\Program Files\fymwetb\aplkit.exeFilesize
43KB
MD551138beea3e2c21ec44d0932c71762a8
SHA18939cf35447b22dd2c6e6f443446acc1bf986d58
SHA2565ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124
SHA512794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d
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\Users\Admin\AppData\Local\Temp\zvyqjld.exeFilesize
264KB
MD59a382aa0384ac5ac876b53503588c07f
SHA1609735e179a9c07dd36667e7bd009d2d4c1da76a
SHA256fb5d1573dac0b8b63a34298b1285eea7b46a71fc7476b13c89fbe074011de9c3
SHA5124cba23be76b03904823450d3ea2dd02d7a37412663d5e9b27156691975e36b83f80eaae8e68c6ad2bbc061799084c02b5a1159dc5d5912244ff5b1ce38455889
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memory/1244-2-0x0000000000400000-0x000000000048C050-memory.dmpFilesize
560KB
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memory/1244-0-0x0000000000400000-0x000000000048C050-memory.dmpFilesize
560KB
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memory/2360-22-0x0000000010000000-0x000000001006F000-memory.dmpFilesize
444KB
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memory/2360-25-0x0000000010000000-0x000000001006F000-memory.dmpFilesize
444KB
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memory/2360-23-0x0000000010000000-0x000000001006F000-memory.dmpFilesize
444KB
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memory/2360-26-0x0000000010000000-0x000000001006F000-memory.dmpFilesize
444KB
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memory/2360-28-0x0000000010000000-0x000000001006F000-memory.dmpFilesize
444KB
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memory/2480-8-0x0000000000400000-0x000000000048D000-memory.dmpFilesize
564KB
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memory/2480-7-0x0000000000400000-0x000000000048D000-memory.dmpFilesize
564KB
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memory/3068-16-0x0000000000400000-0x000000000048C050-memory.dmpFilesize
560KB
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memory/3068-9-0x0000000000400000-0x000000000048C050-memory.dmpFilesize
560KB