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Analysis
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max time kernel
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max time network
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platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
15/03/2024, 14:34
Static task
static1
Behavioral task
behavioral1
Sample
aaba138e7e153d2f77eead98fa84ad73f499081057cefa0d77c5bb705c4c818d.exe
Resource
win7-20240221-en
General
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Target
aaba138e7e153d2f77eead98fa84ad73f499081057cefa0d77c5bb705c4c818d.exe
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Size
366KB
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MD5
ee104db3a5b8af44395b171c84b61b4e
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SHA1
0ed9f8feabb162c4caced149cc60390b883210a9
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SHA256
aaba138e7e153d2f77eead98fa84ad73f499081057cefa0d77c5bb705c4c818d
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SHA512
04d221faf98e3b4817c2012677b61e8668e0c8f7aa4625398ff751b94beb326a80586476c3933a8321807f4c63a2bd7388593ca7fdfe3c2789a92c8dc69f28f4
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SSDEEP
6144:cvPB0woB2e3eC1nZ5h6c97hKXKzUVM3TfiuT:mPT7CljhpYKHzT
Malware Config
Extracted
stealc
http://185.172.128.145
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url_path
/3cd2b41cbde8fc9c.php
Signatures
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Downloads MZ/PE file
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Executes dropped EXE 3 IoCs
pid Process 1584 u1cc.0.exe 2840 u1cc.1.exe 2288 IEHJJECBKK.exe -
Loads dropped DLL 12 IoCs
pid Process 1740 aaba138e7e153d2f77eead98fa84ad73f499081057cefa0d77c5bb705c4c818d.exe 1740 aaba138e7e153d2f77eead98fa84ad73f499081057cefa0d77c5bb705c4c818d.exe 1740 aaba138e7e153d2f77eead98fa84ad73f499081057cefa0d77c5bb705c4c818d.exe 1740 aaba138e7e153d2f77eead98fa84ad73f499081057cefa0d77c5bb705c4c818d.exe 1740 aaba138e7e153d2f77eead98fa84ad73f499081057cefa0d77c5bb705c4c818d.exe 1740 aaba138e7e153d2f77eead98fa84ad73f499081057cefa0d77c5bb705c4c818d.exe 1740 aaba138e7e153d2f77eead98fa84ad73f499081057cefa0d77c5bb705c4c818d.exe 1740 aaba138e7e153d2f77eead98fa84ad73f499081057cefa0d77c5bb705c4c818d.exe 1740 aaba138e7e153d2f77eead98fa84ad73f499081057cefa0d77c5bb705c4c818d.exe 1584 u1cc.0.exe 1584 u1cc.0.exe 352 cmd.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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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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resource yara_rule behavioral1/files/0x003800000001416f-60.dat upx behavioral1/memory/1740-72-0x00000000037C0000-0x0000000003CF0000-memory.dmp upx behavioral1/memory/2840-76-0x0000000000400000-0x0000000000930000-memory.dmp upx behavioral1/memory/2840-93-0x0000000000400000-0x0000000000930000-memory.dmp upx behavioral1/memory/2840-184-0x0000000000400000-0x0000000000930000-memory.dmp upx -
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\Ledger-Live Updater = "C:\\Users\\Admin\\AppData\\Local\\Temp\\IEHJJECBKK.exe" IEHJJECBKK.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 u1cc.0.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString u1cc.0.exe -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1828 schtasks.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 784 PING.EXE -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1584 u1cc.0.exe 1584 u1cc.0.exe 2288 IEHJJECBKK.exe 2288 IEHJJECBKK.exe 2288 IEHJJECBKK.exe 2288 IEHJJECBKK.exe 2288 IEHJJECBKK.exe 2288 IEHJJECBKK.exe 2288 IEHJJECBKK.exe 2288 IEHJJECBKK.exe 2288 IEHJJECBKK.exe 2288 IEHJJECBKK.exe 2288 IEHJJECBKK.exe 2288 IEHJJECBKK.exe 2288 IEHJJECBKK.exe 2288 IEHJJECBKK.exe 2288 IEHJJECBKK.exe 2288 IEHJJECBKK.exe 2288 IEHJJECBKK.exe 2288 IEHJJECBKK.exe 2288 IEHJJECBKK.exe 2288 IEHJJECBKK.exe 2288 IEHJJECBKK.exe 2288 IEHJJECBKK.exe 2288 IEHJJECBKK.exe 2288 IEHJJECBKK.exe 2288 IEHJJECBKK.exe 2288 IEHJJECBKK.exe 2288 IEHJJECBKK.exe 2288 IEHJJECBKK.exe 2288 IEHJJECBKK.exe 2288 IEHJJECBKK.exe 2288 IEHJJECBKK.exe 2288 IEHJJECBKK.exe 2288 IEHJJECBKK.exe 2288 IEHJJECBKK.exe 2288 IEHJJECBKK.exe 2288 IEHJJECBKK.exe 2288 IEHJJECBKK.exe 2288 IEHJJECBKK.exe 2288 IEHJJECBKK.exe 2288 IEHJJECBKK.exe 2288 IEHJJECBKK.exe 2288 IEHJJECBKK.exe 2288 IEHJJECBKK.exe 2288 IEHJJECBKK.exe 2288 IEHJJECBKK.exe 2288 IEHJJECBKK.exe 2288 IEHJJECBKK.exe 2288 IEHJJECBKK.exe 2288 IEHJJECBKK.exe 2288 IEHJJECBKK.exe 2288 IEHJJECBKK.exe 2288 IEHJJECBKK.exe 2288 IEHJJECBKK.exe 2288 IEHJJECBKK.exe 2288 IEHJJECBKK.exe 2288 IEHJJECBKK.exe 2288 IEHJJECBKK.exe 2288 IEHJJECBKK.exe 2288 IEHJJECBKK.exe 2288 IEHJJECBKK.exe 2288 IEHJJECBKK.exe 2288 IEHJJECBKK.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2288 IEHJJECBKK.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2840 u1cc.1.exe -
Suspicious use of WriteProcessMemory 40 IoCs
description pid Process procid_target PID 1740 wrote to memory of 1584 1740 aaba138e7e153d2f77eead98fa84ad73f499081057cefa0d77c5bb705c4c818d.exe 28 PID 1740 wrote to memory of 1584 1740 aaba138e7e153d2f77eead98fa84ad73f499081057cefa0d77c5bb705c4c818d.exe 28 PID 1740 wrote to memory of 1584 1740 aaba138e7e153d2f77eead98fa84ad73f499081057cefa0d77c5bb705c4c818d.exe 28 PID 1740 wrote to memory of 1584 1740 aaba138e7e153d2f77eead98fa84ad73f499081057cefa0d77c5bb705c4c818d.exe 28 PID 1740 wrote to memory of 2840 1740 aaba138e7e153d2f77eead98fa84ad73f499081057cefa0d77c5bb705c4c818d.exe 31 PID 1740 wrote to memory of 2840 1740 aaba138e7e153d2f77eead98fa84ad73f499081057cefa0d77c5bb705c4c818d.exe 31 PID 1740 wrote to memory of 2840 1740 aaba138e7e153d2f77eead98fa84ad73f499081057cefa0d77c5bb705c4c818d.exe 31 PID 1740 wrote to memory of 2840 1740 aaba138e7e153d2f77eead98fa84ad73f499081057cefa0d77c5bb705c4c818d.exe 31 PID 2840 wrote to memory of 2444 2840 u1cc.1.exe 32 PID 2840 wrote to memory of 2444 2840 u1cc.1.exe 32 PID 2840 wrote to memory of 2444 2840 u1cc.1.exe 32 PID 2840 wrote to memory of 2444 2840 u1cc.1.exe 32 PID 2444 wrote to memory of 632 2444 cmd.exe 34 PID 2444 wrote to memory of 632 2444 cmd.exe 34 PID 2444 wrote to memory of 632 2444 cmd.exe 34 PID 2444 wrote to memory of 632 2444 cmd.exe 34 PID 2444 wrote to memory of 1828 2444 cmd.exe 35 PID 2444 wrote to memory of 1828 2444 cmd.exe 35 PID 2444 wrote to memory of 1828 2444 cmd.exe 35 PID 2444 wrote to memory of 1828 2444 cmd.exe 35 PID 1584 wrote to memory of 352 1584 u1cc.0.exe 38 PID 1584 wrote to memory of 352 1584 u1cc.0.exe 38 PID 1584 wrote to memory of 352 1584 u1cc.0.exe 38 PID 1584 wrote to memory of 352 1584 u1cc.0.exe 38 PID 1584 wrote to memory of 1084 1584 u1cc.0.exe 39 PID 1584 wrote to memory of 1084 1584 u1cc.0.exe 39 PID 1584 wrote to memory of 1084 1584 u1cc.0.exe 39 PID 1584 wrote to memory of 1084 1584 u1cc.0.exe 39 PID 352 wrote to memory of 2288 352 cmd.exe 42 PID 352 wrote to memory of 2288 352 cmd.exe 42 PID 352 wrote to memory of 2288 352 cmd.exe 42 PID 352 wrote to memory of 2288 352 cmd.exe 42 PID 2288 wrote to memory of 1960 2288 IEHJJECBKK.exe 43 PID 2288 wrote to memory of 1960 2288 IEHJJECBKK.exe 43 PID 2288 wrote to memory of 1960 2288 IEHJJECBKK.exe 43 PID 2288 wrote to memory of 1960 2288 IEHJJECBKK.exe 43 PID 1960 wrote to memory of 784 1960 cmd.exe 45 PID 1960 wrote to memory of 784 1960 cmd.exe 45 PID 1960 wrote to memory of 784 1960 cmd.exe 45 PID 1960 wrote to memory of 784 1960 cmd.exe 45
Processes
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C:\Users\Admin\AppData\Local\Temp\aaba138e7e153d2f77eead98fa84ad73f499081057cefa0d77c5bb705c4c818d.exe"C:\Users\Admin\AppData\Local\Temp\aaba138e7e153d2f77eead98fa84ad73f499081057cefa0d77c5bb705c4c818d.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1740 -
C:\Users\Admin\AppData\Local\Temp\u1cc.0.exe"C:\Users\Admin\AppData\Local\Temp\u1cc.0.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1584 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\IEHJJECBKK.exe"3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:352 -
C:\Users\Admin\AppData\Local\Temp\IEHJJECBKK.exe"C:\Users\Admin\AppData\Local\Temp\IEHJJECBKK.exe"4⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2288 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C ping 2.2.2.2 -n 1 -w 3000 > Nul & Del C:\Users\Admin\AppData\Local\Temp\IEHJJECBKK.exe5⤵
- Suspicious use of WriteProcessMemory
PID:1960 -
C:\Windows\SysWOW64\PING.EXEping 2.2.2.2 -n 1 -w 30006⤵
- Runs ping.exe
PID:784
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\KFBGCAKFHC.exe"3⤵PID:1084
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C:\Users\Admin\AppData\Local\Temp\u1cc.1.exe"C:\Users\Admin\AppData\Local\Temp\u1cc.1.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2840 -
C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Roaming\Temp\Task.bat" "3⤵
- Suspicious use of WriteProcessMemory
PID:2444 -
C:\Windows\SysWOW64\chcp.comchcp 12514⤵PID:632
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /tn "MalayamaraUpdate" /tr "'C:\Users\Admin\AppData\Local\Temp\Updater.exe'" /sc minute /mo 30 /F4⤵
- Creates scheduled task(s)
PID:1828
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
101KB
MD542b838cf8bdf67400525e128d917f6e0
SHA1a578f6faec738912dba8c41e7abe1502c46d0cae
SHA2560e4ffba62ce9a464aa1b7ff9f1e55ace8f51ff1e15102d856f801a81f8b4607d
SHA512f64b39d885375251ab7db72c57dc5b5095f0c6412169f1035d1f6a25b8415a2a01004d06bfa0267cf683ef7dea7a9f969ad43fde5a4376f1fcb65a57403433c0
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Filesize
128B
MD511bb3db51f701d4e42d3287f71a6a43e
SHA163a4ee82223be6a62d04bdfe40ef8ba91ae49a86
SHA2566be22058abfb22b40a42fb003f86b89e204a83024c03eb82cd53e2a0a047c331
SHA512907ad2c070cc1db89f43459a94d7f48985d939d749c9648b78572a266f0d3fde47813a129e9151dbf4a7d96d36f588172f57c88b8b947b56ed818d7d068abab2
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Filesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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Filesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
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Filesize
252KB
MD5ffcf4340a3f7e5b97f28a894b0330487
SHA1b7a98752e3853d4fa85d94490d34496fdcf18dbd
SHA256d6c0979656434a63303a43a9003a30840e1dcd23ff502a255bbbe8609fa6248d
SHA512e3e6855c78fe7aa5f07e7fcb2994a13aa556a57d1eea45535cb9610a32895d236cc379d24618de0b210487a3c2b8f13be8975b8faccf7ff3f9689466f8f73e08
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Filesize
1.7MB
MD5eee5ddcffbed16222cac0a1b4e2e466e
SHA128b40c88b8ea50b0782e2bcbb4cc0f411035f3d5
SHA2562a40e5dccc7526c4982334941c90f95374460e2a816e84e724e98c4d52ae8c54
SHA5128f88901f3ebd425818db09f268df19ccf8a755603f04e9481bcf02b112a84393f8a900ead77f8f971bfa33fd9fa5636b7494aaee864a0fb04e3273911a4216dc