71d8d202206b566417643609d5f7aeda67d25f958679a4204f1cb87a263559be

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
27/07/2024, 11:06

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General

Target

77fa184cdd4378f8208bcc5b21d0d09b_JaffaCakes118.exe
Size

12KB
MD5

77fa184cdd4378f8208bcc5b21d0d09b
SHA1

a73264909a0ec535c7e951c57ea920fc6788f8b5
SHA256

71d8d202206b566417643609d5f7aeda67d25f958679a4204f1cb87a263559be
SHA512

03c0df709592c3159af0853edf36e2ba8d05ba7515876318aba3712b9b3d1cde91ac22f6ee36899d9ae856a73567a5c648843b73963c4005faa5a0e5d5bc4217
SSDEEP

192:bJpJTqFxHECxNKSjXuCiCSIC4m/mBaswbDSN2gg36r2P8dnLIWuCTwRbbVMzjeWC:FmFNECbSIG/HswHi2gghknLulgjeWg9

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
2448	fliecodsk.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1108-0-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/files/0x00070000000234b4-4.dat	upx
behavioral2/memory/1108-6-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral2/memory/2448-7-0x0000000000400000-0x000000000040F000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\fliecods.dll	77fa184cdd4378f8208bcc5b21d0d09b_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\fliecodsk.exe	77fa184cdd4378f8208bcc5b21d0d09b_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\fliecodsk.exe	77fa184cdd4378f8208bcc5b21d0d09b_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	fliecodsk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	77fa184cdd4378f8208bcc5b21d0d09b_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1108 wrote to memory of 2448	1108	77fa184cdd4378f8208bcc5b21d0d09b_JaffaCakes118.exe	84
PID 1108 wrote to memory of 2448	1108	77fa184cdd4378f8208bcc5b21d0d09b_JaffaCakes118.exe	84
PID 1108 wrote to memory of 2448	1108	77fa184cdd4378f8208bcc5b21d0d09b_JaffaCakes118.exe	84
PID 1108 wrote to memory of 4376	1108	77fa184cdd4378f8208bcc5b21d0d09b_JaffaCakes118.exe	97
PID 1108 wrote to memory of 4376	1108	77fa184cdd4378f8208bcc5b21d0d09b_JaffaCakes118.exe	97
PID 1108 wrote to memory of 4376	1108	77fa184cdd4378f8208bcc5b21d0d09b_JaffaCakes118.exe	97

C:\Users\Admin\AppData\Local\Temp\77fa184cdd4378f8208bcc5b21d0d09b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\77fa184cdd4378f8208bcc5b21d0d09b_JaffaCakes118.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1108
- C:\Windows\SysWOW64\fliecodsk.exe
  C:\Windows\system32\fliecodsk.exe ˜‰
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2448
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\77fa184cdd4378f8208bcc5b21d0d09b_JaffaCakes118.exe.bat
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4376

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\77fa184cdd4378f8208bcc5b21d0d09b_JaffaCakes118.exe.bat

Filesize
210B

MD5
9026e247088b523526c370006cec3179

SHA1
bb5d0ec85ebed153e1dbf497daa539e226967e34

SHA256
1578388dc3aa4160260ac1ca840a2a8a6b8642aad46c42f2b8a6e40de3d410d1

SHA512
25d2ff40f6524b97eb1ec94c6a44748677cd4cd73cc86c4e0b17b078bc1490a3122a8273080e72b857c88f781e869265b68e55d6dc29e3a64f3d170ef019937b

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

Filesize
12KB

MD5
77fa184cdd4378f8208bcc5b21d0d09b

SHA1
a73264909a0ec535c7e951c57ea920fc6788f8b5

SHA256
71d8d202206b566417643609d5f7aeda67d25f958679a4204f1cb87a263559be

SHA512
03c0df709592c3159af0853edf36e2ba8d05ba7515876318aba3712b9b3d1cde91ac22f6ee36899d9ae856a73567a5c648843b73963c4005faa5a0e5d5bc4217

Download Submit
memory/1108-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/1108-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2448-7-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download