Analysis
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max time kernel
124s -
max time network
129s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
23-04-2021 16:41
Static task
static1
Behavioral task
behavioral1
Sample
AVISO21203315400875390289906651441762884335887984616964056633077143552985.exe
Resource
win7v20210408
General
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Target
AVISO21203315400875390289906651441762884335887984616964056633077143552985.exe
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Size
330KB
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MD5
5feab3a8376b418614a81652c4d9ccf8
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SHA1
9ea435fc48391ab715987dbfa8fd396e94fe8e40
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SHA256
4c46a33d520a8cde562b5c241adf95ccd0eaefb26ac5a161abefa5a1bb4b420b
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SHA512
730c88b3d33b78410c2db8940d60a7f07592cfed618cf2d20c65c8e481e459fe64945e1329c56dd24c793b09dd9867ef19f157b0764c1d7c038fe71ba6c82e3a
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 17 2208 rundll32.exe 23 3496 rundll32.exe -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
rween.exepid process 3588 rween.exe -
Loads dropped DLL 3 IoCs
Processes:
rundll32.exerundll32.exepid process 2208 rundll32.exe 2208 rundll32.exe 3496 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 2208 rundll32.exe 2208 rundll32.exe 2208 rundll32.exe 2208 rundll32.exe -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
AVISO21203315400875390289906651441762884335887984616964056633077143552985.exerween.execmd.exedescription pid process target process PID 3944 wrote to memory of 3588 3944 AVISO21203315400875390289906651441762884335887984616964056633077143552985.exe rween.exe PID 3944 wrote to memory of 3588 3944 AVISO21203315400875390289906651441762884335887984616964056633077143552985.exe rween.exe PID 3944 wrote to memory of 3588 3944 AVISO21203315400875390289906651441762884335887984616964056633077143552985.exe rween.exe PID 3588 wrote to memory of 3692 3588 rween.exe cmd.exe PID 3588 wrote to memory of 3692 3588 rween.exe cmd.exe PID 3588 wrote to memory of 3692 3588 rween.exe cmd.exe PID 3692 wrote to memory of 2116 3692 cmd.exe reg.exe PID 3692 wrote to memory of 2116 3692 cmd.exe reg.exe PID 3692 wrote to memory of 2116 3692 cmd.exe reg.exe PID 3588 wrote to memory of 2208 3588 rween.exe rundll32.exe PID 3588 wrote to memory of 2208 3588 rween.exe rundll32.exe PID 3588 wrote to memory of 2208 3588 rween.exe rundll32.exe PID 3588 wrote to memory of 3496 3588 rween.exe rundll32.exe PID 3588 wrote to memory of 3496 3588 rween.exe rundll32.exe PID 3588 wrote to memory of 3496 3588 rween.exe rundll32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\AVISO21203315400875390289906651441762884335887984616964056633077143552985.exe"C:\Users\Admin\AppData\Local\Temp\AVISO21203315400875390289906651441762884335887984616964056633077143552985.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
5feab3a8376b418614a81652c4d9ccf8
SHA19ea435fc48391ab715987dbfa8fd396e94fe8e40
SHA2564c46a33d520a8cde562b5c241adf95ccd0eaefb26ac5a161abefa5a1bb4b420b
SHA512730c88b3d33b78410c2db8940d60a7f07592cfed618cf2d20c65c8e481e459fe64945e1329c56dd24c793b09dd9867ef19f157b0764c1d7c038fe71ba6c82e3a
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C:\ProgramData\011ab573a3\rween.exeMD5
5feab3a8376b418614a81652c4d9ccf8
SHA19ea435fc48391ab715987dbfa8fd396e94fe8e40
SHA2564c46a33d520a8cde562b5c241adf95ccd0eaefb26ac5a161abefa5a1bb4b420b
SHA512730c88b3d33b78410c2db8940d60a7f07592cfed618cf2d20c65c8e481e459fe64945e1329c56dd24c793b09dd9867ef19f157b0764c1d7c038fe71ba6c82e3a
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C:\ProgramData\152136866457237103368804MD5
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/2116-122-0x0000000000000000-mapping.dmp
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memory/2208-124-0x0000000000000000-mapping.dmp
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memory/3496-129-0x0000000000000000-mapping.dmp
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memory/3588-123-0x0000000000400000-0x0000000003DB5000-memory.dmpFilesize
57.7MB
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memory/3588-119-0x0000000003E10000-0x0000000003E3C000-memory.dmpFilesize
176KB
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memory/3588-115-0x0000000000000000-mapping.dmp
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memory/3692-121-0x0000000000000000-mapping.dmp
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memory/3944-114-0x0000000003DC0000-0x0000000003F0A000-memory.dmpFilesize
1.3MB
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memory/3944-118-0x0000000000400000-0x0000000003DB5000-memory.dmpFilesize
57.7MB