Analysis
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max time kernel
126s -
max time network
131s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
14-04-2021 23:20
Static task
static1
Behavioral task
behavioral1
Sample
CONTRASEÑA43175507342514560151095116626174482252188659007214545157719538098233653418638550016741.exe
Resource
win7v20210410
General
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Target
CONTRASEÑA43175507342514560151095116626174482252188659007214545157719538098233653418638550016741.exe
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Size
296KB
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MD5
b46b7f0cb1f1e61bcc4bfddacd926fb8
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SHA1
067cd485e44a2015a604a200ab2617cdc7c872c5
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SHA256
e630ad9b611bbabd87e2ece828f57bfda70d0a64ec34c3f786b516771f59fb96
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SHA512
b85c20a2bffdec84d133e41725c402ba860ae2728883f0570d7d38849582860fafa8313809f79101d0a0c14922fe60a1789de57d337a6666779ee7aa7530ea5a
Malware Config
Extracted
amadey
2.11
176.111.174.67/7Ndd3SnW/index.php
Signatures
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Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exerundll32.exeflow pid process 20 1712 rundll32.exe 23 3432 rundll32.exe -
Executes dropped EXE 1 IoCs
Processes:
rween.exepid process 2648 rween.exe -
Loads dropped DLL 3 IoCs
Processes:
rundll32.exerundll32.exepid process 1712 rundll32.exe 1712 rundll32.exe 3432 rundll32.exe -
Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
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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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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
rundll32.exepid process 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe 1712 rundll32.exe -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
CONTRASEÑA43175507342514560151095116626174482252188659007214545157719538098233653418638550016741.exerween.execmd.exedescription pid process target process PID 2996 wrote to memory of 2648 2996 CONTRASEÑA43175507342514560151095116626174482252188659007214545157719538098233653418638550016741.exe rween.exe PID 2996 wrote to memory of 2648 2996 CONTRASEÑA43175507342514560151095116626174482252188659007214545157719538098233653418638550016741.exe rween.exe PID 2996 wrote to memory of 2648 2996 CONTRASEÑA43175507342514560151095116626174482252188659007214545157719538098233653418638550016741.exe rween.exe PID 2648 wrote to memory of 3348 2648 rween.exe cmd.exe PID 2648 wrote to memory of 3348 2648 rween.exe cmd.exe PID 2648 wrote to memory of 3348 2648 rween.exe cmd.exe PID 3348 wrote to memory of 3500 3348 cmd.exe reg.exe PID 3348 wrote to memory of 3500 3348 cmd.exe reg.exe PID 3348 wrote to memory of 3500 3348 cmd.exe reg.exe PID 2648 wrote to memory of 1712 2648 rween.exe rundll32.exe PID 2648 wrote to memory of 1712 2648 rween.exe rundll32.exe PID 2648 wrote to memory of 1712 2648 rween.exe rundll32.exe PID 2648 wrote to memory of 3432 2648 rween.exe rundll32.exe PID 2648 wrote to memory of 3432 2648 rween.exe rundll32.exe PID 2648 wrote to memory of 3432 2648 rween.exe rundll32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\CONTRASEÑA43175507342514560151095116626174482252188659007214545157719538098233653418638550016741.exe"C:\Users\Admin\AppData\Local\Temp\CONTRASEÑA43175507342514560151095116626174482252188659007214545157719538098233653418638550016741.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\ProgramData\011ab573a3\rween.exe"C:\ProgramData\011ab573a3\rween.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders" /f /v Startup /t REG_SZ /d C:\ProgramData\011ab573a3\3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\reg.exeREG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders" /f /v Startup /t REG_SZ /d C:\ProgramData\011ab573a3\4⤵
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\ProgramData\5eba991cccd123\cred.dll, Main3⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\ProgramData\5eba991cccd123\scr.dll, Main3⤵
- Blocklisted process makes network request
- Loads dropped DLL
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\ProgramData\011ab573a3\rween.exeMD5
b46b7f0cb1f1e61bcc4bfddacd926fb8
SHA1067cd485e44a2015a604a200ab2617cdc7c872c5
SHA256e630ad9b611bbabd87e2ece828f57bfda70d0a64ec34c3f786b516771f59fb96
SHA512b85c20a2bffdec84d133e41725c402ba860ae2728883f0570d7d38849582860fafa8313809f79101d0a0c14922fe60a1789de57d337a6666779ee7aa7530ea5a
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C:\ProgramData\011ab573a3\rween.exeMD5
b46b7f0cb1f1e61bcc4bfddacd926fb8
SHA1067cd485e44a2015a604a200ab2617cdc7c872c5
SHA256e630ad9b611bbabd87e2ece828f57bfda70d0a64ec34c3f786b516771f59fb96
SHA512b85c20a2bffdec84d133e41725c402ba860ae2728883f0570d7d38849582860fafa8313809f79101d0a0c14922fe60a1789de57d337a6666779ee7aa7530ea5a
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C:\ProgramData\152115945878082047097707MD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
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C:\ProgramData\5eba991cccd123\cred.dllMD5
69b7615f2767c3435f2479efdca30177
SHA1a6d8c6d2bdef56a7197fef6fe79774338df50531
SHA2566f917b86c623a4ef2326de062cb206208b25d93f6d7a2911bc7c10f7c83ffd64
SHA512749ef5551228d6b92288e4a725a27cb0023f5e3d73d7b76b9e42cbb88d3ff8a5cf12978da46b814f921fd850570a94194b571fb330f09ad4fc7540ecf823fcee
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C:\ProgramData\5eba991cccd123\scr.dllMD5
f1c71bbc5b99ab01a8ec7c63a2e12242
SHA1ad9b2fd325fff790b732be40d3b2182daa43cfa2
SHA2563d0efa67d54ee1452aa53f35db5552fe079adfd14f1fe312097b266943dd9644
SHA51250b3909ff042b8bb20b87fbb6a29ffb102b83519845f36d99d7ffb0d0441354e7c77dd5db10662b6f6bb7ff9761104bc2243b2616b8ade90119ad79b430f1fc2
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\ProgramData\5eba991cccd123\cred.dllMD5
69b7615f2767c3435f2479efdca30177
SHA1a6d8c6d2bdef56a7197fef6fe79774338df50531
SHA2566f917b86c623a4ef2326de062cb206208b25d93f6d7a2911bc7c10f7c83ffd64
SHA512749ef5551228d6b92288e4a725a27cb0023f5e3d73d7b76b9e42cbb88d3ff8a5cf12978da46b814f921fd850570a94194b571fb330f09ad4fc7540ecf823fcee
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\ProgramData\5eba991cccd123\cred.dllMD5
69b7615f2767c3435f2479efdca30177
SHA1a6d8c6d2bdef56a7197fef6fe79774338df50531
SHA2566f917b86c623a4ef2326de062cb206208b25d93f6d7a2911bc7c10f7c83ffd64
SHA512749ef5551228d6b92288e4a725a27cb0023f5e3d73d7b76b9e42cbb88d3ff8a5cf12978da46b814f921fd850570a94194b571fb330f09ad4fc7540ecf823fcee
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\ProgramData\5eba991cccd123\scr.dllMD5
f1c71bbc5b99ab01a8ec7c63a2e12242
SHA1ad9b2fd325fff790b732be40d3b2182daa43cfa2
SHA2563d0efa67d54ee1452aa53f35db5552fe079adfd14f1fe312097b266943dd9644
SHA51250b3909ff042b8bb20b87fbb6a29ffb102b83519845f36d99d7ffb0d0441354e7c77dd5db10662b6f6bb7ff9761104bc2243b2616b8ade90119ad79b430f1fc2
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memory/1712-124-0x0000000000000000-mapping.dmp
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memory/2648-122-0x0000000002640000-0x000000000266C000-memory.dmpFilesize
176KB
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memory/2648-123-0x0000000000400000-0x0000000000A24000-memory.dmpFilesize
6.1MB
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memory/2648-116-0x0000000000000000-mapping.dmp
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memory/2996-114-0x0000000000AD0000-0x0000000000C1A000-memory.dmpFilesize
1.3MB
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memory/2996-115-0x0000000000400000-0x0000000000A24000-memory.dmpFilesize
6.1MB
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memory/3348-120-0x0000000000000000-mapping.dmp
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memory/3432-129-0x0000000000000000-mapping.dmp
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memory/3500-121-0x0000000000000000-mapping.dmp