1a2b0be628564d9f18a640b9b05c4a0e45f6e0764be1060a03b40372c83d1fdc

Analysis

max time kernel
95s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
09-10-2024 05:36

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General

Target

2bcf049020e7d81b01b465599e80cfd6_JaffaCakes118.exe
Size

54KB
MD5

2bcf049020e7d81b01b465599e80cfd6
SHA1

a83c17585772c7ad5b539a94c3bfb5682e9941c6
SHA256

1a2b0be628564d9f18a640b9b05c4a0e45f6e0764be1060a03b40372c83d1fdc
SHA512

210bd9bc2a06480fbb7784631c5004d392b0697af88892b3e19a795edf054168596143a4fccf9425d759764d7e391a5400ed8296be431a64e95716115e0643ca
SSDEEP

768:SZuMX+I87qsMrtydLraXGjjOXHy5PyHqhaNT7Uce6u:SZP/fJydLr12XUaVOl

Score

8^/10

discovery upx

Malware Config

Signatures

Drops file in Drivers directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\drivers\beep.sys	explore.exe
File created	C:\Windows\SysWOW64\drivers\beep.sys	2bcf049020e7d81b01b465599e80cfd6_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
4900	explore.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\explore.exe	2bcf049020e7d81b01b465599e80cfd6_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\explore.exe	2bcf049020e7d81b01b465599e80cfd6_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\explore.exe	explore.exe

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1956-0-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/files/0x0008000000023cbd-5.dat	upx
behavioral2/memory/1956-6-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/memory/4900-10-0x0000000000400000-0x000000000040F000-memory.dmp	upx

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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2bcf049020e7d81b01b465599e80cfd6_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explore.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: LoadsDriver 2 IoCs

pid	Process
668	Process not Found
668	Process not Found

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	1956	2bcf049020e7d81b01b465599e80cfd6_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	4900	explore.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1956 wrote to memory of 4900	1956	2bcf049020e7d81b01b465599e80cfd6_JaffaCakes118.exe	83
PID 1956 wrote to memory of 4900	1956	2bcf049020e7d81b01b465599e80cfd6_JaffaCakes118.exe	83
PID 1956 wrote to memory of 4900	1956	2bcf049020e7d81b01b465599e80cfd6_JaffaCakes118.exe	83
PID 1956 wrote to memory of 4180	1956	2bcf049020e7d81b01b465599e80cfd6_JaffaCakes118.exe	84
PID 1956 wrote to memory of 4180	1956	2bcf049020e7d81b01b465599e80cfd6_JaffaCakes118.exe	84
PID 1956 wrote to memory of 4180	1956	2bcf049020e7d81b01b465599e80cfd6_JaffaCakes118.exe	84
PID 4900 wrote to memory of 3908	4900	explore.exe	85
PID 4900 wrote to memory of 3908	4900	explore.exe	85
PID 4900 wrote to memory of 3908	4900	explore.exe	85

C:\Users\Admin\AppData\Local\Temp\2bcf049020e7d81b01b465599e80cfd6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2bcf049020e7d81b01b465599e80cfd6_JaffaCakes118.exe"
1⤵
- Drops file in Drivers directory
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1956
- C:\Windows\SysWOW64\explore.exe
  "C:\Windows\system32\explore.exe"
  2⤵
  - Drops file in Drivers directory
  - Executes dropped EXE
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4900
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c del C:\Windows\SysWOW64\explore.exe > nul
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3908
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\2BCF04~1.EXE > nul
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4180

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\SysWOW64\drivers\beep.sys

Filesize
2KB

MD5
7f0ad9a9df6c66f10c981c7cf98a139f

SHA1
31070056bbeab3cd42b97e3f791d7879249d0131

SHA256
b61da29509ad3e3724e18c88296ba54e1f8a89c1aa19c4e31b60ac04e472203f

SHA512
0968105c284dbb2d40341e967c517573c46c8882f10e10ffcd815186bfe3146acc58bac836bd09ec51d241a8624be82d66da9d0d869cc45f02312b9f4786281f

Download Submit
C:\Windows\SysWOW64\explore.exe

Filesize
54KB

MD5
2bcf049020e7d81b01b465599e80cfd6

SHA1
a83c17585772c7ad5b539a94c3bfb5682e9941c6

SHA256
1a2b0be628564d9f18a640b9b05c4a0e45f6e0764be1060a03b40372c83d1fdc

SHA512
210bd9bc2a06480fbb7784631c5004d392b0697af88892b3e19a795edf054168596143a4fccf9425d759764d7e391a5400ed8296be431a64e95716115e0643ca

Download Submit
memory/1956-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/1956-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/4900-10-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download