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Analysis
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max time kernel
144s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
26/09/2024, 06:35
Static task
static1
Behavioral task
behavioral1
Sample
f7c77323e5753ee1aca7201f88912fec_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
f7c77323e5753ee1aca7201f88912fec_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
f7c77323e5753ee1aca7201f88912fec_JaffaCakes118.exe
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Size
124KB
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MD5
f7c77323e5753ee1aca7201f88912fec
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SHA1
7b98256fedd0923412e19c28302324dac8d1806c
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SHA256
33c1e0adde545acf8c2b4209ae967baef4eff5da413a7097cec92fb2826d251a
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SHA512
23a70e294f7c3cecfe5c5db6a8e08ccb765714e78d7fecbcbb9be658060285bea2ed34eab031440d57d2de61b81a1b9707ef14696c158d1fb19bef642d3b5aa5
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SSDEEP
3072:S5NHAXq3CCf0ftKzHZmc6lTRLvp5RfGQR8HFSNW5wtQw/b:SXAXqyCcftA6lTRD7RfL/Nv9j
Malware Config
Signatures
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ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
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description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" mstwain32.exe -
ModiLoader Second Stage 16 IoCs
resource yara_rule behavioral2/memory/3784-27-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral2/memory/4920-42-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral2/memory/4920-43-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral2/memory/4920-46-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral2/memory/4920-49-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral2/memory/4920-52-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral2/memory/4920-55-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral2/memory/4920-58-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral2/memory/4920-61-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral2/memory/4920-64-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral2/memory/4920-67-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral2/memory/4920-70-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral2/memory/4920-73-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral2/memory/4920-76-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral2/memory/4920-79-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 behavioral2/memory/4920-82-0x0000000000400000-0x0000000000450000-memory.dmp modiloader_stage2 -
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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation 41970.exe -
Executes dropped EXE 2 IoCs
pid Process 3784 41970.exe 4920 mstwain32.exe -
Loads dropped DLL 4 IoCs
pid Process 4920 mstwain32.exe 4920 mstwain32.exe 4920 mstwain32.exe 4920 mstwain32.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mstwain32 = "C:\\Windows\\mstwain32.exe" mstwain32.exe -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 41970.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA mstwain32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" mstwain32.exe -
resource yara_rule behavioral2/files/0x00090000000233d7-7.dat upx behavioral2/memory/3784-10-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral2/memory/4920-24-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral2/memory/3784-27-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral2/memory/4920-42-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral2/memory/4920-43-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral2/memory/4920-46-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral2/memory/4920-49-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral2/memory/4920-52-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral2/memory/4920-55-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral2/memory/4920-58-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral2/memory/4920-61-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral2/memory/4920-64-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral2/memory/4920-67-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral2/memory/4920-70-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral2/memory/4920-73-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral2/memory/4920-76-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral2/memory/4920-79-0x0000000000400000-0x0000000000450000-memory.dmp upx behavioral2/memory/4920-82-0x0000000000400000-0x0000000000450000-memory.dmp upx -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\mstwain32.exe 41970.exe File opened for modification C:\Windows\mstwain32.exe 41970.exe File created C:\Windows\ntdtcstp.dll mstwain32.exe File created C:\Windows\cmsetac.dll mstwain32.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 2 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 41970.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mstwain32.exe -
Kills process with taskkill 1 IoCs
pid Process 4716 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 7 IoCs
description pid Process Token: SeDebugPrivilege 3784 41970.exe Token: SeBackupPrivilege 4136 vssvc.exe Token: SeRestorePrivilege 4136 vssvc.exe Token: SeAuditPrivilege 4136 vssvc.exe Token: SeDebugPrivilege 4920 mstwain32.exe Token: SeDebugPrivilege 4716 taskkill.exe Token: SeDebugPrivilege 4920 mstwain32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4920 mstwain32.exe 4920 mstwain32.exe -
Suspicious use of WriteProcessMemory 10 IoCs
description pid Process procid_target PID 2996 wrote to memory of 3784 2996 f7c77323e5753ee1aca7201f88912fec_JaffaCakes118.exe 82 PID 2996 wrote to memory of 3784 2996 f7c77323e5753ee1aca7201f88912fec_JaffaCakes118.exe 82 PID 2996 wrote to memory of 3784 2996 f7c77323e5753ee1aca7201f88912fec_JaffaCakes118.exe 82 PID 2996 wrote to memory of 3536 2996 f7c77323e5753ee1aca7201f88912fec_JaffaCakes118.exe 86 PID 2996 wrote to memory of 3536 2996 f7c77323e5753ee1aca7201f88912fec_JaffaCakes118.exe 86 PID 3784 wrote to memory of 4920 3784 41970.exe 88 PID 3784 wrote to memory of 4920 3784 41970.exe 88 PID 3784 wrote to memory of 4920 3784 41970.exe 88 PID 3536 wrote to memory of 4716 3536 cmd.exe 89 PID 3536 wrote to memory of 4716 3536 cmd.exe 89 -
System policy modification 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" mstwain32.exe -
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\f7c77323e5753ee1aca7201f88912fec_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f7c77323e5753ee1aca7201f88912fec_JaffaCakes118.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2996 -
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\41970.exeC:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\41970.exe2⤵
- Checks computer location settings
- Executes dropped EXE
- Checks whether UAC is enabled
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3784 -
C:\Windows\mstwain32.exe"C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\41970.exe"3⤵
- UAC bypass
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- System policy modification
PID:4920
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\melt.bat2⤵
- Suspicious use of WriteProcessMemory
PID:3536 -
C:\Windows\system32\taskkill.exeTASKKILL /F /T /IM AlxStub3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4716
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4136
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
1Disable or Modify Tools
1Modify Registry
3Replay Monitor
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Downloads
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Filesize
109KB
MD5beeec4c4b4e20f4e3e4dd365a2c74ee3
SHA198d57478ac10d3beeb5a5bf9d7afe6f569d16aa2
SHA2560f5e001f02fad260fda2eabd2b96c8b15531c49ada3d15308a1016e2b9de6cdd
SHA512c46f2e243f7d621afb0f93a872b77a6641df9998467fa289659129d2c0ef1ac2fa1ab7eb15676181184bdb45ccb6ce2d2b6d0e0b6be9adb5467d5777ddf16e86
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Filesize
120B
MD5c54d0ecbba4e17acda40da806057f24b
SHA10ddae0fb78c763fdfb62c87cc2d5ded9d520ca23
SHA256415f9811167a728ef060b1391d8ba1a35496fab0208e5feaf122468412374f44
SHA5123c16bc911da618ae5eb3fb713513d1be97e669ba83e231c12f78f9f733457eb93758beea3e5881224a97c8719f50f0a1ccf4df445aa7440c6d5436947e71b740
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Filesize
33KB
MD52cdf3abe2b0f7529241423819c17028b
SHA1d4ce785f4843464f9f6fb963dae1bfa3281c4f74
SHA256b118c0970f1f4b1426258037586d04b55089c0717943b68fb48a923d720677a5
SHA51293f281f75204bc7cf0ad88479b40f47cc57ebe5c5f9ac0ca507bfd6b332484a44bedfdf8b58a1482815db3992c0a5b4b662ba9be0d974a3b76e1bd080d091227
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Filesize
7KB
MD567587e25a971a141628d7f07bd40ffa0
SHA176fcd014539a3bb247cc0b761225f68bd6055f6b
SHA256e6829866322d68d5c5b78e3d48dcec70a41cdc42c6f357a44fd329f74a8b4378
SHA5126e6de7aa02c48f8b96b06e5f1160fbc5c95312320636e138cc997ef3362a61bc50ec03db1f06292eb964cd71915ddb2ec2eb741432c7da44215a4acbb576a350