89cd75a6520f1d87704c4eb5b71eefce3384d452916cd888b90e8cf6071f8520

Analysis

max time kernel
134s
max time network
137s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
22/08/2024, 12:09

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General

Target

b792db9a702ece2509a79c28574901a3_JaffaCakes118.exe
Size

320KB
MD5

b792db9a702ece2509a79c28574901a3
SHA1

0781c221730ab72fb2c46e44f9aead2dd16aba62
SHA256

89cd75a6520f1d87704c4eb5b71eefce3384d452916cd888b90e8cf6071f8520
SHA512

9726b51efb9b2458330ebb5896c75807bba2c439422593f64b941d5672d487d0452cbf76adf5dbaa6a6478125abe86808cce5016a836a1d4d3854a62d32a7162
SSDEEP

3072:/3tiDbD1iiBn2xiFagjbTPFzbbVBoPXwIuhT6K9K2CUFh7XT0044Dg5a9t70Hj0W:/EP4Sn1FZdWk6K82Cs7XdgCotgccpNhy

Score

7^/10

discovery

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2764	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2672	Sysdll.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat	Sysdll.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8B2B9A00839EED1DFDCCC3BFC2F5DF12	Sysdll.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8B2B9A00839EED1DFDCCC3BFC2F5DF12	Sysdll.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8	Sysdll.exe
File opened for modification	C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B46811C17859FFB409CF0E904A4AA8F8	Sysdll.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\Sysdll.exe	b792db9a702ece2509a79c28574901a3_JaffaCakes118.exe
File opened for modification	C:\Windows\Sysdll.exe	b792db9a702ece2509a79c28574901a3_JaffaCakes118.exe
File created	C:\Windows\uninstal.bat	b792db9a702ece2509a79c28574901a3_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b792db9a702ece2509a79c28574901a3_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Sysdll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies data under HKEY_USERS 64 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	Sysdll.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\Certificates	Sysdll.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\Certificates	Sysdll.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CRLs	Sysdll.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6D1B3EA5-73FC-441B-9AA7-AACEA1F16518}\WpadDecisionReason = "1"	Sysdll.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:"	Sysdll.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings	Sysdll.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	Sysdll.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	Sysdll.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CRLs	Sysdll.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CTLs	Sysdll.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6D1B3EA5-73FC-441B-9AA7-AACEA1F16518}	Sysdll.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ee-a9-da-7b-b7-2e\WpadDecisionReason = "1"	Sysdll.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CRLs	Sysdll.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	Sysdll.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	Sysdll.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CRLs	Sysdll.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CTLs	Sysdll.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0"	Sysdll.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	Sysdll.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CTLs	Sysdll.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\Certificates	Sysdll.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	Sysdll.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	Sysdll.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	Sysdll.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0"	Sysdll.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CRLs	Sysdll.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6D1B3EA5-73FC-441B-9AA7-AACEA1F16518}\WpadNetworkName = "Network 3"	Sysdll.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CRLs	Sysdll.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	Sysdll.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix	Sysdll.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CTLs	Sysdll.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\Certificates	Sysdll.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f0071000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	Sysdll.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\Certificates	Sysdll.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6D1B3EA5-73FC-441B-9AA7-AACEA1F16518}\WpadDecision = "0"	Sysdll.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ee-a9-da-7b-b7-2e\WpadDecision = "0"	Sysdll.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CRLs	Sysdll.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	Sysdll.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	Sysdll.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6D1B3EA5-73FC-441B-9AA7-AACEA1F16518}\ee-a9-da-7b-b7-2e	Sysdll.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	Sysdll.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	Sysdll.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\My	Sysdll.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\Certificates	Sysdll.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	Sysdll.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CTLs	Sysdll.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ee-a9-da-7b-b7-2e	Sysdll.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\ee-a9-da-7b-b7-2e\WpadDecisionTime = 60d4962c8cf4da01	Sysdll.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CRLs	Sysdll.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	Sysdll.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CTLs	Sysdll.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\Certificates	Sysdll.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	Sysdll.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\Certificates	Sysdll.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	Sysdll.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000	Sysdll.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	Sysdll.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	Sysdll.exe
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CTLs	Sysdll.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{6D1B3EA5-73FC-441B-9AA7-AACEA1F16518}\WpadDecisionTime = 60d4962c8cf4da01	Sysdll.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	Sysdll.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	Sysdll.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings	Sysdll.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2436	b792db9a702ece2509a79c28574901a3_JaffaCakes118.exe
Token: SeDebugPrivilege	2672	Sysdll.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2672	Sysdll.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2672 wrote to memory of 2700	2672	Sysdll.exe	32
PID 2672 wrote to memory of 2700	2672	Sysdll.exe	32
PID 2672 wrote to memory of 2700	2672	Sysdll.exe	32
PID 2672 wrote to memory of 2700	2672	Sysdll.exe	32
PID 2436 wrote to memory of 2764	2436	b792db9a702ece2509a79c28574901a3_JaffaCakes118.exe	33
PID 2436 wrote to memory of 2764	2436	b792db9a702ece2509a79c28574901a3_JaffaCakes118.exe	33
PID 2436 wrote to memory of 2764	2436	b792db9a702ece2509a79c28574901a3_JaffaCakes118.exe	33
PID 2436 wrote to memory of 2764	2436	b792db9a702ece2509a79c28574901a3_JaffaCakes118.exe	33
PID 2436 wrote to memory of 2764	2436	b792db9a702ece2509a79c28574901a3_JaffaCakes118.exe	33
PID 2436 wrote to memory of 2764	2436	b792db9a702ece2509a79c28574901a3_JaffaCakes118.exe	33
PID 2436 wrote to memory of 2764	2436	b792db9a702ece2509a79c28574901a3_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\b792db9a702ece2509a79c28574901a3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b792db9a702ece2509a79c28574901a3_JaffaCakes118.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2436
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Windows\uninstal.bat
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2764

C:\Windows\Sysdll.exe
C:\Windows\Sysdll.exe
1⤵
- Executes dropped EXE
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:2672
- C:\Program Files\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files\Internet Explorer\IEXPLORE.EXE"
  2⤵
  PID:2700

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Windows\Sysdll.exe

Filesize
320KB

MD5
b792db9a702ece2509a79c28574901a3

SHA1
0781c221730ab72fb2c46e44f9aead2dd16aba62

SHA256
89cd75a6520f1d87704c4eb5b71eefce3384d452916cd888b90e8cf6071f8520

SHA512
9726b51efb9b2458330ebb5896c75807bba2c439422593f64b941d5672d487d0452cbf76adf5dbaa6a6478125abe86808cce5016a836a1d4d3854a62d32a7162

Download Submit
C:\Windows\uninstal.bat

Filesize
217B

MD5
ae97a374278e23536a22a27b9bf9a60c

SHA1
64e80b020eef94ed7cf5bf37568b03ca5b5efdfc

SHA256
8cf7a6d6eae6ad39f3fd8fe60a92b5c7e38b57a545b9ea1dd799bf3a1b42a8de

SHA512
411c87843b6d2a2e5edf87043d73619d770f2474923679eb33181ee93a08755b225d1e5e87ba872f86d5a37c4822f0389a7d8ac5eefdbf2d50b8c0a75e6f3199

Download Submit
memory/2436-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2436-0-0x0000000000400000-0x0000000000526000-memory.dmp

Filesize
1.1MB

Download
memory/2436-2-0x00000000006C0000-0x00000000006C1000-memory.dmp

Filesize
4KB

Download
memory/2436-17-0x0000000000400000-0x0000000000526000-memory.dmp

Filesize
1.1MB

Download
memory/2672-7-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2672-6-0x0000000000400000-0x0000000000526000-memory.dmp

Filesize
1.1MB

Download
memory/2672-8-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2672-25-0x0000000000400000-0x0000000000526000-memory.dmp

Filesize
1.1MB

Download
memory/2672-26-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2672-27-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download