47785cf67f62e6c21f0ba80159111fbeb2a8d80c3bf262058b98f8a87c9ba78b

General

Target

ea8b2385f09511b2b338036247d70cb5_JaffaCakes118.exe
Size

12KB
MD5

ea8b2385f09511b2b338036247d70cb5
SHA1

a7c631cfa786623d3cd9ebfbb12feaa37eb98d39
SHA256

47785cf67f62e6c21f0ba80159111fbeb2a8d80c3bf262058b98f8a87c9ba78b
SHA512

6391f781e8deeb3eb6b3725bfeb9fbdd72674c394a5f6a1d328741f619370a1aa5daef70fd99e971f845f3b1e54376285ea124ef39bfa8696edc76e935bd75bc
SSDEEP

192:VYSoEleKyMyrZAgzE2lEK5pqi/CK6GJkWIvIyQKx0M9BNtDLPEaG+rSyv:VxoElQMyrZAgzE2lTr7N6otuQA0M9VLd

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
2816	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2540	kandofttk.exe

Loads dropped DLL 2 IoCs

pid	Process
2524	ea8b2385f09511b2b338036247d70cb5_JaffaCakes118.exe
2524	ea8b2385f09511b2b338036247d70cb5_JaffaCakes118.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2524-0-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral1/files/0x0008000000015db6-9.dat	upx
behavioral1/memory/2524-12-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral1/memory/2540-15-0x0000000000400000-0x000000000040F000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\kandoftt.dll	ea8b2385f09511b2b338036247d70cb5_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\kandofttk.exe	ea8b2385f09511b2b338036247d70cb5_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\kandofttk.exe	ea8b2385f09511b2b338036247d70cb5_JaffaCakes118.exe

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	ea8b2385f09511b2b338036247d70cb5_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 2524 wrote to memory of 2540	2524	ea8b2385f09511b2b338036247d70cb5_JaffaCakes118.exe	30
PID 2524 wrote to memory of 2540	2524	ea8b2385f09511b2b338036247d70cb5_JaffaCakes118.exe	30
PID 2524 wrote to memory of 2540	2524	ea8b2385f09511b2b338036247d70cb5_JaffaCakes118.exe	30
PID 2524 wrote to memory of 2540	2524	ea8b2385f09511b2b338036247d70cb5_JaffaCakes118.exe	30
PID 2524 wrote to memory of 2816	2524	ea8b2385f09511b2b338036247d70cb5_JaffaCakes118.exe	32
PID 2524 wrote to memory of 2816	2524	ea8b2385f09511b2b338036247d70cb5_JaffaCakes118.exe	32
PID 2524 wrote to memory of 2816	2524	ea8b2385f09511b2b338036247d70cb5_JaffaCakes118.exe	32
PID 2524 wrote to memory of 2816	2524	ea8b2385f09511b2b338036247d70cb5_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\ea8b2385f09511b2b338036247d70cb5_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ea8b2385f09511b2b338036247d70cb5_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2524
- C:\Windows\SysWOW64\kandofttk.exe
  C:\Windows\system32\kandofttk.exe ˜‰
  2⤵
  - Executes dropped EXE
  PID:2540
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\ea8b2385f09511b2b338036247d70cb5_JaffaCakes118.exe.bat
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2816

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\ea8b2385f09511b2b338036247d70cb5_JaffaCakes118.exe.bat

Filesize
210B

MD5
2957ca6648305c52df169f68d5f5d7a4

SHA1
8b3a7f937c37dbb8d9e4b414184ad3abfd8ca0d6

SHA256
81813bb0c77649639bc82166301c2144371b2b2d0c9c43c7ebb4b49c369de311

SHA512
0e1a33fed37da54aa0ac9c3d9cbd96e58a772f2c48c5a85e2a0c4507ad468c2f2d3b1214bc8ab8363d71baae352fbab5c9d623001a79eb800ce3e94c0e34dccf

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

Filesize
12KB

MD5
ea8b2385f09511b2b338036247d70cb5

SHA1
a7c631cfa786623d3cd9ebfbb12feaa37eb98d39

SHA256
47785cf67f62e6c21f0ba80159111fbeb2a8d80c3bf262058b98f8a87c9ba78b

SHA512
6391f781e8deeb3eb6b3725bfeb9fbdd72674c394a5f6a1d328741f619370a1aa5daef70fd99e971f845f3b1e54376285ea124ef39bfa8696edc76e935bd75bc

Download Submit
memory/2524-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2524-11-0x0000000000230000-0x000000000023F000-memory.dmp

Filesize
60KB

Download
memory/2524-10-0x0000000000230000-0x000000000023F000-memory.dmp

Filesize
60KB

Download
memory/2524-12-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2524-13-0x0000000000230000-0x000000000023F000-memory.dmp

Filesize
60KB

Download
memory/2524-14-0x0000000000230000-0x000000000023F000-memory.dmp

Filesize
60KB

Download
memory/2540-15-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

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