Analysis
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max time kernel
143s -
max time network
147s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
25-09-2024 05:56
Static task
static1
Behavioral task
behavioral1
Sample
f556e16ab3b138a427d52c5dd8f20838_JaffaCakes118.exe
Resource
win7-20240729-en
windows7-x64
9 signatures
150 seconds
General
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Target
f556e16ab3b138a427d52c5dd8f20838_JaffaCakes118.exe
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Size
126KB
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MD5
f556e16ab3b138a427d52c5dd8f20838
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SHA1
b521d50ee90768081eaf69fb212ef175ee9a9a2d
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SHA256
6aa060af324d16951f1000111710ebc6293fee131aec1891b8b2d1b6713d1365
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SHA512
121f2532845db169e03cb513c9245a2331ab75a59399b1352820e287681530419a3353c43478c0dfdf145b508d6219c3368a7e1f097912ceb71c3f2c6f399138
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SSDEEP
3072:d/yHfMPKXed77o6Q/dEVQIOILEsMAl+JZA3+Uv:d6exXKhI6At
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 mhegrel.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f556e16ab3b138a427d52c5dd8f20838_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f556e16ab3b138a427d52c5dd8f20838_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mhegrel.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mhegrel.exe -
Modifies data under HKEY_USERS 21 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" mhegrel.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0114000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 mhegrel.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A7989B48-AF7D-454F-A0C2-C1582A834DC4} mhegrel.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A7989B48-AF7D-454F-A0C2-C1582A834DC4}\a6-e4-df-aa-5b-13 mhegrel.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a6-e4-df-aa-5b-13\WpadDecision = "0" mhegrel.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections mhegrel.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix mhegrel.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" mhegrel.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a6-e4-df-aa-5b-13 mhegrel.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a6-e4-df-aa-5b-13\WpadDecisionReason = "1" mhegrel.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 mhegrel.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings mhegrel.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 mhegrel.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A7989B48-AF7D-454F-A0C2-C1582A834DC4}\WpadDecision = "0" mhegrel.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A7989B48-AF7D-454F-A0C2-C1582A834DC4}\WpadNetworkName = "Network 3" mhegrel.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\a6-e4-df-aa-5b-13\WpadDecisionTime = 208413b60f0fdb01 mhegrel.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings mhegrel.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" mhegrel.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad mhegrel.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A7989B48-AF7D-454F-A0C2-C1582A834DC4}\WpadDecisionReason = "1" mhegrel.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{A7989B48-AF7D-454F-A0C2-C1582A834DC4}\WpadDecisionTime = 208413b60f0fdb01 mhegrel.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 2436 mhegrel.exe 2436 mhegrel.exe 2436 mhegrel.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 2684 f556e16ab3b138a427d52c5dd8f20838_JaffaCakes118.exe -
Suspicious use of UnmapMainImage 4 IoCs
pid Process 1596 f556e16ab3b138a427d52c5dd8f20838_JaffaCakes118.exe 2684 f556e16ab3b138a427d52c5dd8f20838_JaffaCakes118.exe 2520 mhegrel.exe 2436 mhegrel.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1596 wrote to memory of 2684 1596 f556e16ab3b138a427d52c5dd8f20838_JaffaCakes118.exe 31 PID 1596 wrote to memory of 2684 1596 f556e16ab3b138a427d52c5dd8f20838_JaffaCakes118.exe 31 PID 1596 wrote to memory of 2684 1596 f556e16ab3b138a427d52c5dd8f20838_JaffaCakes118.exe 31 PID 1596 wrote to memory of 2684 1596 f556e16ab3b138a427d52c5dd8f20838_JaffaCakes118.exe 31 PID 2520 wrote to memory of 2436 2520 mhegrel.exe 33 PID 2520 wrote to memory of 2436 2520 mhegrel.exe 33 PID 2520 wrote to memory of 2436 2520 mhegrel.exe 33 PID 2520 wrote to memory of 2436 2520 mhegrel.exe 33
Processes
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C:\Users\Admin\AppData\Local\Temp\f556e16ab3b138a427d52c5dd8f20838_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f556e16ab3b138a427d52c5dd8f20838_JaffaCakes118.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1596 -
C:\Users\Admin\AppData\Local\Temp\f556e16ab3b138a427d52c5dd8f20838_JaffaCakes118.exe--1f4b642e2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of UnmapMainImage
PID:2684
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C:\Windows\SysWOW64\mhegrel.exe"C:\Windows\SysWOW64\mhegrel.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2520 -
C:\Windows\SysWOW64\mhegrel.exe--81ac5a322⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of UnmapMainImage
PID:2436
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