8a5658e30222bd545aa48a45cf76002e1bf68d3253cde77ec7d5fbb1b6acdfff

Analysis

max time kernel
150s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
11-08-2024 02:45

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General

Target

88af140e3b2d73e96d8882c735251548_JaffaCakes118.exe
Size

13KB
MD5

88af140e3b2d73e96d8882c735251548
SHA1

4161f9564e529df6901f4bb85a69f9c72ee030b2
SHA256

8a5658e30222bd545aa48a45cf76002e1bf68d3253cde77ec7d5fbb1b6acdfff
SHA512

df0cf74af1ecda037eff11fe6727980114b80a1ff20b361c77d62319c3e2c8efa0ac90b82c7c2889111e8ed15c9c8dd7a4437245365a5888f229cc0e4d1ef97e
SSDEEP

192:mtBPQNgnouH+22mvT+QcomdJgFplBQwYrzutXJHmmCvttMlfr5WBV0AHC/OAA+ub:4cgnoujqddJ+NAutI3tt2rIHR6QR

Score

8^/10

discovery persistence privilege_escalation upx

Malware Config

Signatures

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

Executes dropped EXE 1 IoCs

pid	Process
3940	craoek.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2124-0-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral2/files/0x00080000000234b9-4.dat	upx
behavioral2/memory/2124-6-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral2/memory/3940-7-0x0000000000400000-0x0000000000410000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\craoe.dll	88af140e3b2d73e96d8882c735251548_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\craoek.exe	88af140e3b2d73e96d8882c735251548_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\craoek.exe	88af140e3b2d73e96d8882c735251548_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	88af140e3b2d73e96d8882c735251548_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	craoek.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 3940	2124	88af140e3b2d73e96d8882c735251548_JaffaCakes118.exe	85
PID 2124 wrote to memory of 3940	2124	88af140e3b2d73e96d8882c735251548_JaffaCakes118.exe	85
PID 2124 wrote to memory of 3940	2124	88af140e3b2d73e96d8882c735251548_JaffaCakes118.exe	85
PID 2124 wrote to memory of 3732	2124	88af140e3b2d73e96d8882c735251548_JaffaCakes118.exe	97
PID 2124 wrote to memory of 3732	2124	88af140e3b2d73e96d8882c735251548_JaffaCakes118.exe	97
PID 2124 wrote to memory of 3732	2124	88af140e3b2d73e96d8882c735251548_JaffaCakes118.exe	97

C:\Users\Admin\AppData\Local\Temp\88af140e3b2d73e96d8882c735251548_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\88af140e3b2d73e96d8882c735251548_JaffaCakes118.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2124
- C:\Windows\SysWOW64\craoek.exe
  C:\Windows\system32\craoek.exe ˜‰
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3940
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\88af140e3b2d73e96d8882c735251548_JaffaCakes118.exe.bat
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3732

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

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:\Users\Admin\AppData\Local\Temp\88af140e3b2d73e96d8882c735251548_JaffaCakes118.exe.bat

Filesize
210B

MD5
8015776956e31fe3c82fb38c41502259

SHA1
fe21bbe8c1bafa2cdc6caf72738cd765f731f192

SHA256
3d28d0b54d84c74e030a10f4eb160708d421c1b63114e72a9bf2c536be9b59f8

SHA512
5f3630a5e60587305b251b43f4ab0bb0a978910c4198543ccfc7cc6b2553e8dbfd021174851e6b11e68e86d090925c722a9953e832d1c14ce7703ec190ba3cf6

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

Filesize
13KB

MD5
88af140e3b2d73e96d8882c735251548

SHA1
4161f9564e529df6901f4bb85a69f9c72ee030b2

SHA256
8a5658e30222bd545aa48a45cf76002e1bf68d3253cde77ec7d5fbb1b6acdfff

SHA512
df0cf74af1ecda037eff11fe6727980114b80a1ff20b361c77d62319c3e2c8efa0ac90b82c7c2889111e8ed15c9c8dd7a4437245365a5888f229cc0e4d1ef97e

Download Submit
memory/2124-0-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2124-6-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/3940-7-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download