Analysis
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max time kernel
95s -
max time network
96s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
02-10-2024 01:24
Static task
static1
Behavioral task
behavioral1
Sample
083de2d2dc0be6af200ff93e0e1bf107_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
083de2d2dc0be6af200ff93e0e1bf107_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
083de2d2dc0be6af200ff93e0e1bf107_JaffaCakes118.exe
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Size
379KB
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MD5
083de2d2dc0be6af200ff93e0e1bf107
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SHA1
43b9c85e1c6e329b4d7427f5f0b13709d7e1c501
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SHA256
885a49bf9c395744f269a4c63eb71409e421b65d3aa118375c08fe07bfb90a93
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SHA512
21dd6e9e0e5e0c95108c701355248f03cd5fbd01a48e6984f4bb88f1c63c713e01678288f606872bb6299ec5a1fcdeaf0d70ea273d143602d05a6c4d8ae77083
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SSDEEP
6144://k/Go3R2v6kElrfFgmosPBMOodZpfxs3PfsIW6HrWc2GVPloHXLt4h:/Muo3R2v6JrFgtUMOgxs346LWCV9o7s
Malware Config
Extracted
Protocol: smtp- Host:
smtp.gmail.com - Port:
587 - Username:
[email protected] - Password:
Brysiek1
Signatures
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Detected Nirsoft tools 5 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
resource yara_rule behavioral2/memory/3612-29-0x0000000000400000-0x0000000000418000-memory.dmp Nirsoft behavioral2/memory/516-41-0x0000000000400000-0x0000000000425000-memory.dmp Nirsoft behavioral2/memory/4160-48-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/2328-57-0x0000000000400000-0x000000000043D000-memory.dmp Nirsoft behavioral2/memory/2660-63-0x0000000000400000-0x0000000000419000-memory.dmp Nirsoft -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation 083de2d2dc0be6af200ff93e0e1bf107_JaffaCakes118.exe -
Executes dropped EXE 6 IoCs
pid Process 2228 Server.exe 3612 dialup.exe 2660 passwordfox.exe 516 mspass.exe 4160 iepv.exe 2328 ChromePass.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Hijack This = "C:\\Users\\Admin\\AppData\\Local\\Temp\\tempalbert\\Server.exe" Server.exe -
resource yara_rule behavioral2/files/0x0007000000023442-23.dat upx behavioral2/memory/3612-25-0x0000000000400000-0x0000000000418000-memory.dmp upx behavioral2/memory/3612-29-0x0000000000400000-0x0000000000418000-memory.dmp upx behavioral2/files/0x0007000000023444-32.dat upx behavioral2/memory/2660-34-0x0000000000400000-0x0000000000419000-memory.dmp upx behavioral2/files/0x0007000000023445-37.dat upx behavioral2/memory/516-38-0x0000000000400000-0x0000000000425000-memory.dmp upx behavioral2/memory/516-41-0x0000000000400000-0x0000000000425000-memory.dmp upx behavioral2/files/0x0007000000023447-44.dat upx behavioral2/memory/4160-45-0x0000000000400000-0x000000000041B000-memory.dmp upx behavioral2/memory/4160-48-0x0000000000400000-0x000000000041B000-memory.dmp upx behavioral2/memory/2328-52-0x0000000000400000-0x000000000043D000-memory.dmp upx behavioral2/files/0x0007000000023449-51.dat upx behavioral2/memory/2328-57-0x0000000000400000-0x000000000043D000-memory.dmp upx behavioral2/memory/2660-63-0x0000000000400000-0x0000000000419000-memory.dmp upx -
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 6 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 mspass.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language iepv.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ChromePass.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 083de2d2dc0be6af200ff93e0e1bf107_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language dialup.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language passwordfox.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 516 mspass.exe 516 mspass.exe 2228 Server.exe 2228 Server.exe 2228 Server.exe 2228 Server.exe 2228 Server.exe 2228 Server.exe 2228 Server.exe 2228 Server.exe 2228 Server.exe 2228 Server.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 516 mspass.exe Token: SeDebugPrivilege 4160 iepv.exe Token: SeRestorePrivilege 4160 iepv.exe Token: SeBackupPrivilege 4160 iepv.exe Token: SeDebugPrivilege 2228 Server.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4472 083de2d2dc0be6af200ff93e0e1bf107_JaffaCakes118.exe 4472 083de2d2dc0be6af200ff93e0e1bf107_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 4472 wrote to memory of 2228 4472 083de2d2dc0be6af200ff93e0e1bf107_JaffaCakes118.exe 82 PID 4472 wrote to memory of 2228 4472 083de2d2dc0be6af200ff93e0e1bf107_JaffaCakes118.exe 82 PID 2228 wrote to memory of 3612 2228 Server.exe 83 PID 2228 wrote to memory of 3612 2228 Server.exe 83 PID 2228 wrote to memory of 3612 2228 Server.exe 83 PID 2228 wrote to memory of 2660 2228 Server.exe 84 PID 2228 wrote to memory of 2660 2228 Server.exe 84 PID 2228 wrote to memory of 2660 2228 Server.exe 84 PID 2228 wrote to memory of 516 2228 Server.exe 85 PID 2228 wrote to memory of 516 2228 Server.exe 85 PID 2228 wrote to memory of 516 2228 Server.exe 85 PID 2228 wrote to memory of 4160 2228 Server.exe 86 PID 2228 wrote to memory of 4160 2228 Server.exe 86 PID 2228 wrote to memory of 4160 2228 Server.exe 86 PID 2228 wrote to memory of 2328 2228 Server.exe 87 PID 2228 wrote to memory of 2328 2228 Server.exe 87 PID 2228 wrote to memory of 2328 2228 Server.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\083de2d2dc0be6af200ff93e0e1bf107_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\083de2d2dc0be6af200ff93e0e1bf107_JaffaCakes118.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4472 -
C:\Users\Admin\AppData\Local\Temp\tempalbert\Server.exe"C:\Users\Admin\AppData\Local\Temp\tempalbert\Server.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2228 -
C:\Users\Admin\AppData\Local\Temp\dialup.exeC:\Users\Admin\AppData\Local\Temp\dialup.exe /stext C:\Users\Admin\AppData\Local\Temp\data.txt3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:3612
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C:\Users\Admin\AppData\Local\Temp\passwordfox.exeC:\Users\Admin\AppData\Local\Temp\passwordfox.exe /stext C:\Users\Admin\AppData\Local\Temp\firefox.txt3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2660
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C:\Users\Admin\AppData\Local\Temp\mspass.exeC:\Users\Admin\AppData\Local\Temp\mspass.exe /stext C:\Users\Admin\AppData\Local\Temp\mess.txt3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:516
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C:\Users\Admin\AppData\Local\Temp\iepv.exeC:\Users\Admin\AppData\Local\Temp\iepv.exe /stext C:\Users\Admin\AppData\Local\Temp\iepv.txt3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:4160
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C:\Users\Admin\AppData\Local\Temp\ChromePass.exeC:\Users\Admin\AppData\Local\Temp\ChromePass.exe /stext C:\Users\Admin\AppData\Local\Temp\ChromePass.txt3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2328
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
125KB
MD59b3b1c0db965166319469b2afa6c4f0c
SHA19f1e65a3056dff872949329c4e5e70c007cc5621
SHA256dbfa10a7deeb6d1ac8fd95ffeb23b87adc58e6388e522812fabe7f710e3cdd89
SHA512c11512599b83fa1875a67915a7e7454512ed8300a0a47c16692ebc1f526755c39c795fe9721dd97d417bfcb29f9e4c1f3283cf4c426af6571b3996005f7e4f5e
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Filesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
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Filesize
37KB
MD59c8872c879d0a9d82988920488370864
SHA187ff4231547462e6474c832e28831dd691d83fd4
SHA2568f576d5191721f8fdb47bb22950f43fc8f2c9cc880fe067090ed96e6fcb07a97
SHA5123c413427c46ef92a412840479896841ffd5c6eb9215b8ecc416cdbd4f8e0f2eb643ed3b7f2e18eb5710ba7c55e1cd82af6637285ee364e069503c5ecc187cb2e
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Filesize
42KB
MD528c110b8d0ad095131c8d06043678086
SHA1c684cf321e890e0e766a97609a4cde866156d6c5
SHA256dbc2216d5f31f5218e940e3d802998dee90eeb69af69cbeb063c69c6a5a3f1e1
SHA512065e043b76b0e1163e73f4a1c257bae793ae9b46bff1951956c2174ef91deb2528730da77aab76b9e7246d705c3b8c1d23f05dc3b161cacabf3e52d0f563c922
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Filesize
63KB
MD5fbb93d4c91453b06414d6973152d904e
SHA14624232c5450e7e9e7ba1f2113a07f8800dc5b5f
SHA2568898b138a3f238fa985992a9d0e48f6b5865dd2cc35e08b83fa326260c510ffe
SHA5124ed926d230af576a945bdd4d9b2d4001e8036abbcf1ef9a35669823d9420b6d95b426d80384a6fd022165c1fc2485fda0e28193b99b301927236928ddfcac6f7
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Filesize
37KB
MD5a1d6a37917dcf4471486bc5a0e725cc6
SHA15b09f10dc215078ae44f535de12630c38f3b86e3
SHA2568a06acd1158060a54d67098f07c1ff7895f799bc5834179b8aae04d28fb60e17
SHA5125798a5d85052d5c2f6b781b91a400c85bc96c0127cc4e18079bff1f17bd302dc07c0f015ddf1105621a841680057322eb0172ba06063f55d795b7b079f1d26d2
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Filesize
331KB
MD5594fb29c84ad39e3dcf28870199156aa
SHA1ec4668ba192886096d11a5898e603adf2855edf5
SHA25630206ef69678baaf29718e4bd38df7c1ffad3ec9175ef36b67ac9298815ed322
SHA51205189e2f9a81f59d36a872edb2cf3e871f04650a3a8b05717f4ac86d0324bf443df0a752582a8f85933047795fc692486fa9c475977233151d09c0ed21de6655