a4e5f1968086e1414ceb7daa368f39983aa3c794e9b0e29130a4dafdc105034e

Analysis

max time kernel
139s
max time network
107s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
31-10-2024 08:16

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General

Target

826bc7327a47bdbd94a9d22e348989f8_JaffaCakes118.exe
Size

60KB
MD5

826bc7327a47bdbd94a9d22e348989f8
SHA1

88643ce199bfc9e7141b82e7524bdaa90a269d7e
SHA256

a4e5f1968086e1414ceb7daa368f39983aa3c794e9b0e29130a4dafdc105034e
SHA512

23defea5113c01f5df52bab70a10f8aecf2011aa0bfc2976b57ebea03b719ef59216f36fca8443d3eea2b2ac538e0c1e8b32c669a1ccfc00803d0cf1b52c7f00
SSDEEP

1536:xf4exGDkeZ4mOoSgJEAJJfA4yL6j22HpkVkJGjn:p4eYZ4+1JXJJYwTpUVD

Score

7^/10

discovery upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000a000000023b77-2.dat	acprotect

Loads dropped DLL 4 IoCs

pid	Process
2388	826bc7327a47bdbd94a9d22e348989f8_JaffaCakes118.exe
2388	826bc7327a47bdbd94a9d22e348989f8_JaffaCakes118.exe
2388	826bc7327a47bdbd94a9d22e348989f8_JaffaCakes118.exe
2388	826bc7327a47bdbd94a9d22e348989f8_JaffaCakes118.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000a000000023b77-2.dat	upx
behavioral2/memory/2388-8-0x00000000022A0000-0x00000000022B2000-memory.dmp	upx
behavioral2/memory/2388-7-0x00000000022A0000-0x00000000022B2000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\winrar\ico\taobao.tbico	826bc7327a47bdbd94a9d22e348989f8_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	826bc7327a47bdbd94a9d22e348989f8_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wscript.exe

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.mk3	826bc7327a47bdbd94a9d22e348989f8_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.mk3\ = "VBSFile"	826bc7327a47bdbd94a9d22e348989f8_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.tbico	826bc7327a47bdbd94a9d22e348989f8_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.tbico\ = "icofile"	826bc7327a47bdbd94a9d22e348989f8_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2388 wrote to memory of 500	2388	826bc7327a47bdbd94a9d22e348989f8_JaffaCakes118.exe	88
PID 2388 wrote to memory of 500	2388	826bc7327a47bdbd94a9d22e348989f8_JaffaCakes118.exe	88
PID 2388 wrote to memory of 500	2388	826bc7327a47bdbd94a9d22e348989f8_JaffaCakes118.exe	88

C:\Users\Admin\AppData\Local\Temp\826bc7327a47bdbd94a9d22e348989f8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\826bc7327a47bdbd94a9d22e348989f8_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2388
- C:\Windows\SysWOW64\wscript.exe
  wscript.exe /nologo "C:\Users\Admin\AppData\Local\Temp\6301.mk3"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:500

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

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:\Users\Admin\AppData\Local\Temp\nsk8751.tmp\InetLoad.dll

Filesize
18KB

MD5
994669c5737b25c26642c94180e92fa2

SHA1
d8a1836914a446b0e06881ce1be8631554adafde

SHA256
bf01a1f272e0daf82df3407690b646e0ff6b2c562e36e47cf177eda71ccb6f6c

SHA512
d0ab7ca7f890ef9e59015c33e6b400a0a4d1ce0d24599537e09e845f4b953e3ecd44bf3e3cbe584f57c2948743e689ed67d2d40e6caf923bd630886e89c38563

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsk8751.tmp\nsRandom.dll

Filesize
21KB

MD5
ab467b8dfaa660a0f0e5b26e28af5735

SHA1
596abd2c31eaff3479edf2069db1c155b59ce74d

SHA256
db267d9920395b4badc48de04df99dfd21d579480d103cae0f48e6578197ff73

SHA512
7d002dc203997b8a4d8ec20c92cd82848e29d746414f4a61265c76d4afb12c05bce826fc63f4d2bd3d527f38506c391855767d864c37584df11b5db9ca008301

Download Submit
memory/2388-8-0x00000000022A0000-0x00000000022B2000-memory.dmp

Filesize
72KB

Download
memory/2388-7-0x00000000022A0000-0x00000000022B2000-memory.dmp

Filesize
72KB

Download
memory/2388-22-0x00000000022A0000-0x00000000022A6000-memory.dmp

Filesize
24KB

Download