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Analysis
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max time kernel
155s -
max time network
154s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
21/03/2023, 14:46
Static task
static1
Behavioral task
behavioral1
Sample
15539a353d5b7e18b87b30f717454dc25c4261954d97af791596ea49acb1fa92.exe
Resource
win7-20230220-en
General
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Target
15539a353d5b7e18b87b30f717454dc25c4261954d97af791596ea49acb1fa92.exe
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Size
291KB
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MD5
8cca6d631010620a368ddc7925c0649c
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SHA1
cbac7cdb0b393a64a25726c09c718616e83ffa8f
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SHA256
15539a353d5b7e18b87b30f717454dc25c4261954d97af791596ea49acb1fa92
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SHA512
4c38a618668d2fe78ee950aaadd4f32d7f4ff3130039efefb1e039bc79aeedb2e065141fdd96d4255735ffb68a991b83e0d4609e02a76a958c99feda4f24135c
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SSDEEP
3072:2D2H6X9LmnZiTw5aX/ifwSYt3pkki/c9yEh+vp5nbrSLJhCe:MX9LmnMTlX/iYSYPkR/cWvzvohC
Malware Config
Extracted
stealc
http://45.87.154.30
Extracted
laplas
http://45.87.154.105
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api_key
1c630872d348a77d04368d542fde4663bc2bcb96f1b909554db3472c08df2767
Signatures
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Detects Stealc stealer 1 IoCs
resource yara_rule behavioral1/memory/1532-76-0x0000000000400000-0x0000000002AF9000-memory.dmp family_stealc -
Downloads MZ/PE file
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Deletes itself 1 IoCs
pid Process 1644 cmd.exe -
Executes dropped EXE 2 IoCs
pid Process 1720 AFIDGDBGCA.exe 1548 ntlhost.exe -
Loads dropped DLL 6 IoCs
pid Process 1532 15539a353d5b7e18b87b30f717454dc25c4261954d97af791596ea49acb1fa92.exe 1532 15539a353d5b7e18b87b30f717454dc25c4261954d97af791596ea49acb1fa92.exe 848 cmd.exe 848 cmd.exe 1720 AFIDGDBGCA.exe 1720 AFIDGDBGCA.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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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-1-5-21-1914912747-3343861975-731272777-1000\Software\Microsoft\Windows\CurrentVersion\Run\NTSystem = "C:\\Users\\Admin\\AppData\\Roaming\\NTSystem\\ntlhost.exe" AFIDGDBGCA.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). Likely ransomware behaviour.
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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 15539a353d5b7e18b87b30f717454dc25c4261954d97af791596ea49acb1fa92.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 15539a353d5b7e18b87b30f717454dc25c4261954d97af791596ea49acb1fa92.exe -
Delays execution with timeout.exe 1 IoCs
pid Process 1428 timeout.exe -
GoLang User-Agent 1 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 8 Go-http-client/1.1 -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1532 15539a353d5b7e18b87b30f717454dc25c4261954d97af791596ea49acb1fa92.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 1532 wrote to memory of 848 1532 15539a353d5b7e18b87b30f717454dc25c4261954d97af791596ea49acb1fa92.exe 29 PID 1532 wrote to memory of 848 1532 15539a353d5b7e18b87b30f717454dc25c4261954d97af791596ea49acb1fa92.exe 29 PID 1532 wrote to memory of 848 1532 15539a353d5b7e18b87b30f717454dc25c4261954d97af791596ea49acb1fa92.exe 29 PID 1532 wrote to memory of 848 1532 15539a353d5b7e18b87b30f717454dc25c4261954d97af791596ea49acb1fa92.exe 29 PID 1532 wrote to memory of 1644 1532 15539a353d5b7e18b87b30f717454dc25c4261954d97af791596ea49acb1fa92.exe 30 PID 1532 wrote to memory of 1644 1532 15539a353d5b7e18b87b30f717454dc25c4261954d97af791596ea49acb1fa92.exe 30 PID 1532 wrote to memory of 1644 1532 15539a353d5b7e18b87b30f717454dc25c4261954d97af791596ea49acb1fa92.exe 30 PID 1532 wrote to memory of 1644 1532 15539a353d5b7e18b87b30f717454dc25c4261954d97af791596ea49acb1fa92.exe 30 PID 1644 wrote to memory of 1428 1644 cmd.exe 33 PID 1644 wrote to memory of 1428 1644 cmd.exe 33 PID 1644 wrote to memory of 1428 1644 cmd.exe 33 PID 1644 wrote to memory of 1428 1644 cmd.exe 33 PID 848 wrote to memory of 1720 848 cmd.exe 34 PID 848 wrote to memory of 1720 848 cmd.exe 34 PID 848 wrote to memory of 1720 848 cmd.exe 34 PID 848 wrote to memory of 1720 848 cmd.exe 34 PID 1720 wrote to memory of 1548 1720 AFIDGDBGCA.exe 35 PID 1720 wrote to memory of 1548 1720 AFIDGDBGCA.exe 35 PID 1720 wrote to memory of 1548 1720 AFIDGDBGCA.exe 35 PID 1720 wrote to memory of 1548 1720 AFIDGDBGCA.exe 35
Processes
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C:\Users\Admin\AppData\Local\Temp\15539a353d5b7e18b87b30f717454dc25c4261954d97af791596ea49acb1fa92.exe"C:\Users\Admin\AppData\Local\Temp\15539a353d5b7e18b87b30f717454dc25c4261954d97af791596ea49acb1fa92.exe"1⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1532 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\AFIDGDBGCA.exe"2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:848 -
C:\Users\Admin\AppData\Local\Temp\AFIDGDBGCA.exe"C:\Users\Admin\AppData\Local\Temp\AFIDGDBGCA.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1720 -
C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exeC:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe4⤵
- Executes dropped EXE
PID:1548
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\15539a353d5b7e18b87b30f717454dc25c4261954d97af791596ea49acb1fa92.exe" & del "C:\ProgramData\*.dll"" & exit2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1644 -
C:\Windows\SysWOW64\timeout.exetimeout /t 53⤵
- Delays execution with timeout.exe
PID:1428
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1.9MB
MD59e02c05696e63e53f6f7a8fc7bf9e5ca
SHA183d17724e64973eb938926e8ccce0fa4911fafb8
SHA256727ab7ab3fbcea9b9ace8552393f06ca837c9b1905772de1be3a263149f55210
SHA512767596c377a656b326bf922cb2fdb96d675590b4974c654fc5b501924b035638d07124224fcdba00a4f7671917918abb216a4d8c5e2bc566a1578c21bc694bb0
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Filesize
1.9MB
MD59e02c05696e63e53f6f7a8fc7bf9e5ca
SHA183d17724e64973eb938926e8ccce0fa4911fafb8
SHA256727ab7ab3fbcea9b9ace8552393f06ca837c9b1905772de1be3a263149f55210
SHA512767596c377a656b326bf922cb2fdb96d675590b4974c654fc5b501924b035638d07124224fcdba00a4f7671917918abb216a4d8c5e2bc566a1578c21bc694bb0
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Filesize
80.5MB
MD5b90cf0aec9dd6f7bac1434a22de80dbe
SHA1e23a6504cfbbf731a69704a53d8e6ed2e687ae59
SHA25613c674e6544150579205812c811fda3af318998a41d57105b4ef97239cee9fe2
SHA5129db34d5b7939f26e3f9f6788d4beb7a2513708b53af8a6d7ee64a6cceb71f42d855c0c596ad9a294f31ea15b0647597bd457ef76a40d0c20aa23f55ac3478e92
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Filesize
78.6MB
MD5b30f2e908939be8f175baac1d4fc9c2c
SHA186e17cca9ca915279db0257a460c7d0279fa3290
SHA256dd373c8087a2f6ec56b58ba92af2164ebd94057880aa4bc1690861166f63a6cf
SHA512cc4cf3d9ced52112d8e4e389b55541eb3425e5d7fa54c6fd59d64e445f408e7aed86944258475e2f94db159a2557d59581b41ea3465f2ba89fd2defff1586053
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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
1.9MB
MD59e02c05696e63e53f6f7a8fc7bf9e5ca
SHA183d17724e64973eb938926e8ccce0fa4911fafb8
SHA256727ab7ab3fbcea9b9ace8552393f06ca837c9b1905772de1be3a263149f55210
SHA512767596c377a656b326bf922cb2fdb96d675590b4974c654fc5b501924b035638d07124224fcdba00a4f7671917918abb216a4d8c5e2bc566a1578c21bc694bb0
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Filesize
1.9MB
MD59e02c05696e63e53f6f7a8fc7bf9e5ca
SHA183d17724e64973eb938926e8ccce0fa4911fafb8
SHA256727ab7ab3fbcea9b9ace8552393f06ca837c9b1905772de1be3a263149f55210
SHA512767596c377a656b326bf922cb2fdb96d675590b4974c654fc5b501924b035638d07124224fcdba00a4f7671917918abb216a4d8c5e2bc566a1578c21bc694bb0
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Filesize
82.9MB
MD575f5de471c4215daac8cf53df7f4b64e
SHA197ec9feb9908b4e8f988a17776fa8d8c47984911
SHA25636de1c04f083d67021e574c1c996ea4e63d4b1ecbd3bae4cfd14dea7b0040ebc
SHA51219f2933b0b6e447d066880c3804b60abc7fde1cc5a4ef815c9f6cb439c53f6cb11bd747668962bb537e9c37530002fd77eac7d07098d0640b45822b056f69ec0
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Filesize
82.2MB
MD5eb8b86a83e23166b808715954480eae1
SHA105b772624ddac4f35fa52ec1d5bca50a3a6b3ec8
SHA256aa254f4aa4b3917f8489526c5fe2fabee17e9fc4ade143656ea3035204a272ea
SHA512d67c1ee5690e2e0ae043b6180e3040a9d33b73fa329a284b7b6d7f2e8a965e0cbdc3d5fb43ffbc75b34fecc8603e8d24fa27d120b5fc12cdc51be9ca4cab574e