73ed0a58047128ee41514bfdadbdf0fd28172b607a0af59132f91fa939275ac3

Analysis

max time kernel
140s
max time network
140s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
15/07/2024, 08:47

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General

Target

49104c561500cebe974583f6fda4c686_JaffaCakes118.exe
Size

73KB
MD5

49104c561500cebe974583f6fda4c686
SHA1

dfb1284362429173b1650b8e6f03fff7eb599f42
SHA256

73ed0a58047128ee41514bfdadbdf0fd28172b607a0af59132f91fa939275ac3
SHA512

0804d76bfefcc35cb72b92d0230a04382a0df2f611e392e7853b20851d9543935e71ed5a72e62cdb82f7458cc2cac1497f24d6d155ea1cc5a5bda6f028fdc5ce
SSDEEP

1536:y9bqe1HyzVwHIy0GFyOyxe2nm+4ZCrilHbveWstZnqkowG0FYtdvsHJRnouy8MW:gXpcwHIEAxdm+4ZMiFePZqUN2OpRoutM

Score

8^/10

persistence upx

Malware Config

Signatures

Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs

persistence

Terminal Services DLL

T1505.005

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Access Connection Manager\Parameters\ServiceDll = "C:\\Program Files (x86)\\my.rmvb"	49104c561500cebe974583f6fda4c686_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
2284	cmd.exe

Loads dropped DLL 2 IoCs

pid	Process
1980	49104c561500cebe974583f6fda4c686_JaffaCakes118.exe
2592	svchost.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1980-0-0x0000000000400000-0x000000000042F000-memory.dmp	upx
behavioral1/memory/1980-22-0x0000000000400000-0x000000000042F000-memory.dmp	upx

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\my.rmvb	49104c561500cebe974583f6fda4c686_JaffaCakes118.exe
File created	C:\Program Files (x86)\my.rmvb	49104c561500cebe974583f6fda4c686_JaffaCakes118.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1980 wrote to memory of 2284	1980	49104c561500cebe974583f6fda4c686_JaffaCakes118.exe	31
PID 1980 wrote to memory of 2284	1980	49104c561500cebe974583f6fda4c686_JaffaCakes118.exe	31
PID 1980 wrote to memory of 2284	1980	49104c561500cebe974583f6fda4c686_JaffaCakes118.exe	31
PID 1980 wrote to memory of 2284	1980	49104c561500cebe974583f6fda4c686_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\49104c561500cebe974583f6fda4c686_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\49104c561500cebe974583f6fda4c686_JaffaCakes118.exe"
1⤵
- Server Software Component: Terminal Services DLL
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:1980
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\DelEx.bat" "
  2⤵
  - Deletes itself
  PID:2284

C:\Windows\SysWOW64\svchost.exe
C:\Windows\SysWOW64\svchost.exe -k krnlsrvc
1⤵
- Loads dropped DLL
PID:2592

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Server Software Component

T1505

Terminal Services DLL

T1505.005

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\DelEx.bat

Filesize
266B

MD5
1f1ba732d4cae9c4b70ef3005728b36c

SHA1
c827ccd75bf199e40dd64501eb498e6a85dbda83

SHA256
b0784dfad3af7bf0451056d9e24ab67ff52284b3369dec0883c60fc78618d739

SHA512
92a13fee8073a8f3f7b59370570d4734c1c7d279285597b35128d8134c5372e14a780993c6168d606b35bef30ee7dbe30ac6a01ff9aeeb2a058275358652b0d1

Download Submit
\Users\Admin\AppData\Local\Temp\abs.so

Filesize
129KB

MD5
a99c681983a78ab9ed9a721a9021c7f1

SHA1
f60daf65b25d8970b1f89f0c6017355be14d40bb

SHA256
ab21b1f727836ceffcb702d1cb9fe9364088db3c91a24f3ef9d56bc931948470

SHA512
aef4fcd2b96429ff45b4259dce073e7893821bb43a656752bc49711c53bcfc5b8ee64e5113ae40f062ff3e62760b3cb5ba73f0d2fafe28cdfe04e15f2b8bc793

Download Submit
memory/1980-0-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/1980-3-0x00000000001B0000-0x00000000001D7000-memory.dmp

Filesize
156KB

Download
memory/1980-22-0x0000000000400000-0x000000000042F000-memory.dmp

Filesize
188KB

Download
memory/2592-13-0x0000000000100000-0x0000000000127000-memory.dmp

Filesize
156KB

Download
memory/2592-24-0x0000000000100000-0x0000000000127000-memory.dmp

Filesize
156KB

Download
memory/2592-27-0x0000000000100000-0x0000000000127000-memory.dmp

Filesize
156KB

Download
memory/2592-30-0x0000000000100000-0x0000000000127000-memory.dmp

Filesize
156KB

Download
memory/2592-33-0x0000000000100000-0x0000000000127000-memory.dmp

Filesize
156KB

Download
memory/2592-34-0x0000000000100000-0x0000000000127000-memory.dmp

Filesize
156KB

Download
memory/2592-37-0x0000000000100000-0x0000000000127000-memory.dmp

Filesize
156KB

Download