7e0c4e1becffeee7b958ffb26291fb78f51df7d14f0127502154beb134af9307

General

Target

fa54d61d86d1576306972ecf9c73e2d4_JaffaCakes118.exe
Size

11KB
MD5

fa54d61d86d1576306972ecf9c73e2d4
SHA1

27c9f6fe4148bac5354a0b14d58721ed271f960a
SHA256

7e0c4e1becffeee7b958ffb26291fb78f51df7d14f0127502154beb134af9307
SHA512

8b8b252cd2ef21b4b4f98522343ce9aab4c03f7d46f94c35b8cb97f6bb1e6ec4a2930cdf8c9bf7e29d630fb450d50915bd822a742ac8276999ddfd004f33d1e6
SSDEEP

192:XE4JgPu/PlfaC8NahI7yFJQT0V6RfCyG/B9ShZVuIaMAUaIGo7/r1Bclg:XE4WPOfarNa3JK0V5whGIahUaIGof8g

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

Deletes itself 1 IoCs

pid	Process
2916	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
1432	aotopptk.exe

Loads dropped DLL 2 IoCs

pid	Process
2156	fa54d61d86d1576306972ecf9c73e2d4_JaffaCakes118.exe
2156	fa54d61d86d1576306972ecf9c73e2d4_JaffaCakes118.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\aotopptk.exe	fa54d61d86d1576306972ecf9c73e2d4_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\aotopptk.exe	fa54d61d86d1576306972ecf9c73e2d4_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\aotoppt.dll	fa54d61d86d1576306972ecf9c73e2d4_JaffaCakes118.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2156-0-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral1/files/0x0008000000016c58-3.dat	upx
behavioral1/memory/2156-11-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral1/memory/1432-14-0x0000000000400000-0x000000000040E000-memory.dmp	upx

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	fa54d61d86d1576306972ecf9c73e2d4_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2156 wrote to memory of 1432	2156	fa54d61d86d1576306972ecf9c73e2d4_JaffaCakes118.exe	30
PID 2156 wrote to memory of 1432	2156	fa54d61d86d1576306972ecf9c73e2d4_JaffaCakes118.exe	30
PID 2156 wrote to memory of 1432	2156	fa54d61d86d1576306972ecf9c73e2d4_JaffaCakes118.exe	30
PID 2156 wrote to memory of 1432	2156	fa54d61d86d1576306972ecf9c73e2d4_JaffaCakes118.exe	30
PID 2156 wrote to memory of 2916	2156	fa54d61d86d1576306972ecf9c73e2d4_JaffaCakes118.exe	32
PID 2156 wrote to memory of 2916	2156	fa54d61d86d1576306972ecf9c73e2d4_JaffaCakes118.exe	32
PID 2156 wrote to memory of 2916	2156	fa54d61d86d1576306972ecf9c73e2d4_JaffaCakes118.exe	32
PID 2156 wrote to memory of 2916	2156	fa54d61d86d1576306972ecf9c73e2d4_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\fa54d61d86d1576306972ecf9c73e2d4_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fa54d61d86d1576306972ecf9c73e2d4_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2156
- C:\Windows\SysWOW64\aotopptk.exe
  C:\Windows\system32\aotopptk.exe ˜‰
  2⤵
  - Executes dropped EXE
  PID:1432
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\fa54d61d86d1576306972ecf9c73e2d4_JaffaCakes118.exe.bat
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2916

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

1

T1546

AppInit DLLs

1

T1546.010

Privilege Escalation

Event Triggered Execution

1

T1546

AppInit DLLs

1

T1546.010

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\fa54d61d86d1576306972ecf9c73e2d4_JaffaCakes118.exe.bat

Filesize
210B

MD5
772189663e5ba4de67fee7db053275f6

SHA1
7cd756cd4dfafdf7b10910f3293277a1d08269a1

SHA256
54725756b260bc20d9b8f94c1601e68e22a8ba403af0ca8cad8f019d5659e78d

SHA512
dd3c1a485652372d171531e68156dff00b9caba32e9b87ab33b2f9109bee73ae7bc4e9dd7ae0f09a6bd683627cec0627d97be38d8f0a171e75d7ae50db16a323

Download Submit
\Windows\SysWOW64\aotopptk.exe

Filesize
11KB

MD5
fa54d61d86d1576306972ecf9c73e2d4

SHA1
27c9f6fe4148bac5354a0b14d58721ed271f960a

SHA256
7e0c4e1becffeee7b958ffb26291fb78f51df7d14f0127502154beb134af9307

SHA512
8b8b252cd2ef21b4b4f98522343ce9aab4c03f7d46f94c35b8cb97f6bb1e6ec4a2930cdf8c9bf7e29d630fb450d50915bd822a742ac8276999ddfd004f33d1e6

Download Submit
memory/1432-14-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2156-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2156-9-0x0000000000230000-0x000000000023E000-memory.dmp

Filesize
56KB

Download
memory/2156-11-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2156-12-0x0000000000230000-0x000000000023E000-memory.dmp

Filesize
56KB

Download

Analysis

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