Analysis
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max time kernel
147s -
max time network
147s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
13-05-2021 02:40
Static task
static1
Behavioral task
behavioral1
Sample
ef19900098e94916a2ef8ce6f1af5e6919418eacba3bce57bac86ae9af12ffdf.exe
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
General
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Target
ef19900098e94916a2ef8ce6f1af5e6919418eacba3bce57bac86ae9af12ffdf.exe
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Size
159KB
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MD5
fb2fbdc6759473d405a89df0fdc5702c
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SHA1
7f19896ba52e64b9a9e69f7968af1db631ea5893
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SHA256
ef19900098e94916a2ef8ce6f1af5e6919418eacba3bce57bac86ae9af12ffdf
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SHA512
6748129d269f179ac1ef21f56b4d7fbc78282cc9d1efcceebf7fd206a0c31ea48a7eed4fcda4cfcf2824e87b1c36c247a9337d44e850f1218071279aeadabcfb
Malware Config
Signatures
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Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat adtrel.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Modifies data under HKEY_USERS 21 IoCs
description ioc Process Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 adtrel.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad adtrel.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\32-e2-17-db-d2-77\WpadDecisionTime = 30f136bdf347d701 adtrel.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\32-e2-17-db-d2-77\WpadDecision = "0" adtrel.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings adtrel.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections adtrel.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2A905F01-0A57-4E51-8685-54144DDC3A32} adtrel.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2A905F01-0A57-4E51-8685-54144DDC3A32}\WpadDecisionReason = "1" adtrel.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2A905F01-0A57-4E51-8685-54144DDC3A32}\WpadNetworkName = "Network" adtrel.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\32-e2-17-db-d2-77\WpadDecisionReason = "1" adtrel.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" adtrel.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" adtrel.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" adtrel.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2A905F01-0A57-4E51-8685-54144DDC3A32}\WpadDecisionTime = 30f136bdf347d701 adtrel.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2A905F01-0A57-4E51-8685-54144DDC3A32}\WpadDecision = "0" adtrel.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2A905F01-0A57-4E51-8685-54144DDC3A32}\32-e2-17-db-d2-77 adtrel.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix adtrel.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings adtrel.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 adtrel.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a07000c000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 adtrel.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\32-e2-17-db-d2-77 adtrel.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 316 adtrel.exe 316 adtrel.exe 316 adtrel.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 1676 ef19900098e94916a2ef8ce6f1af5e6919418eacba3bce57bac86ae9af12ffdf.exe -
Suspicious use of UnmapMainImage 4 IoCs
pid Process 788 ef19900098e94916a2ef8ce6f1af5e6919418eacba3bce57bac86ae9af12ffdf.exe 1676 ef19900098e94916a2ef8ce6f1af5e6919418eacba3bce57bac86ae9af12ffdf.exe 1392 adtrel.exe 316 adtrel.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 788 wrote to memory of 1676 788 ef19900098e94916a2ef8ce6f1af5e6919418eacba3bce57bac86ae9af12ffdf.exe 29 PID 788 wrote to memory of 1676 788 ef19900098e94916a2ef8ce6f1af5e6919418eacba3bce57bac86ae9af12ffdf.exe 29 PID 788 wrote to memory of 1676 788 ef19900098e94916a2ef8ce6f1af5e6919418eacba3bce57bac86ae9af12ffdf.exe 29 PID 788 wrote to memory of 1676 788 ef19900098e94916a2ef8ce6f1af5e6919418eacba3bce57bac86ae9af12ffdf.exe 29 PID 1392 wrote to memory of 316 1392 adtrel.exe 31 PID 1392 wrote to memory of 316 1392 adtrel.exe 31 PID 1392 wrote to memory of 316 1392 adtrel.exe 31 PID 1392 wrote to memory of 316 1392 adtrel.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\ef19900098e94916a2ef8ce6f1af5e6919418eacba3bce57bac86ae9af12ffdf.exe"C:\Users\Admin\AppData\Local\Temp\ef19900098e94916a2ef8ce6f1af5e6919418eacba3bce57bac86ae9af12ffdf.exe"1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:788 -
C:\Users\Admin\AppData\Local\Temp\ef19900098e94916a2ef8ce6f1af5e6919418eacba3bce57bac86ae9af12ffdf.exe--f13b44b32⤵
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
PID:1676
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C:\Windows\SysWOW64\adtrel.exe"C:\Windows\SysWOW64\adtrel.exe"1⤵
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1392 -
C:\Windows\SysWOW64\adtrel.exe--e0406d9a2⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of UnmapMainImage
PID:316
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