a795703f957c5c917d574a8771438268f3b8f971717cd347a8aa89f8c64acf3e

General

Target

966df379e65737b5bda6fc736c20f556_JaffaCakes118.exe
Size

14KB
MD5

966df379e65737b5bda6fc736c20f556
SHA1

b7d9ca93076d8ebedcf5692e56165a83545c58be
SHA256

a795703f957c5c917d574a8771438268f3b8f971717cd347a8aa89f8c64acf3e
SHA512

7673cab4256ef753004965a3f5eed1261082ff6c5f4543dffd6ab4dc9d13a087f32682d258874b46aed61f841a34c9e297feb59dcc8af86f424506550e1c81e4
SSDEEP

384:ZaSIXbJ94a3bgIjqyOpzVElcjX6ufqcSC0atxo:ZaSIrJ+T63OpzVpr70atx

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
2532	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2016	kodensk.exe

Loads dropped DLL 2 IoCs

pid	Process
2312	966df379e65737b5bda6fc736c20f556_JaffaCakes118.exe
2312	966df379e65737b5bda6fc736c20f556_JaffaCakes118.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2312-0-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral1/files/0x0007000000016c49-3.dat	upx
behavioral1/memory/2016-12-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral1/memory/2312-10-0x0000000000230000-0x000000000023F000-memory.dmp	upx
behavioral1/memory/2312-13-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral1/memory/2016-14-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral1/memory/2312-17-0x0000000000230000-0x000000000023F000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\kodens.dll	966df379e65737b5bda6fc736c20f556_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\kodensk.exe	966df379e65737b5bda6fc736c20f556_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\kodensk.exe	966df379e65737b5bda6fc736c20f556_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	966df379e65737b5bda6fc736c20f556_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 2312 wrote to memory of 2016	2312	966df379e65737b5bda6fc736c20f556_JaffaCakes118.exe	30
PID 2312 wrote to memory of 2016	2312	966df379e65737b5bda6fc736c20f556_JaffaCakes118.exe	30
PID 2312 wrote to memory of 2016	2312	966df379e65737b5bda6fc736c20f556_JaffaCakes118.exe	30
PID 2312 wrote to memory of 2016	2312	966df379e65737b5bda6fc736c20f556_JaffaCakes118.exe	30
PID 2312 wrote to memory of 2532	2312	966df379e65737b5bda6fc736c20f556_JaffaCakes118.exe	31
PID 2312 wrote to memory of 2532	2312	966df379e65737b5bda6fc736c20f556_JaffaCakes118.exe	31
PID 2312 wrote to memory of 2532	2312	966df379e65737b5bda6fc736c20f556_JaffaCakes118.exe	31
PID 2312 wrote to memory of 2532	2312	966df379e65737b5bda6fc736c20f556_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\966df379e65737b5bda6fc736c20f556_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\966df379e65737b5bda6fc736c20f556_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2312
- C:\Windows\SysWOW64\kodensk.exe
  C:\Windows\system32\kodensk.exe ˜‰
  2⤵
  - Executes dropped EXE
  PID:2016
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\966df379e65737b5bda6fc736c20f556_JaffaCakes118.exe.bat
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2532

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\966df379e65737b5bda6fc736c20f556_JaffaCakes118.exe.bat

Filesize
210B

MD5
19a19708529a9ea208b96c790abde8e3

SHA1
2dea1a7c3a5ee899eb1950e3172fe28a62005256

SHA256
3e4d668beb9f6bdea77126c36639981ad38e9818850e426a402730447505c8ff

SHA512
bd3234f56b3370b39f3da9b01e3180bcbb18db3e34b8d37c8d15c999d227e8bf05b369cfefb5879fd2fc9e23f19af2522a15c10ee6aace73adbd82e7e16a8e98

Download Submit
\Windows\SysWOW64\kodensk.exe

Filesize
14KB

MD5
966df379e65737b5bda6fc736c20f556

SHA1
b7d9ca93076d8ebedcf5692e56165a83545c58be

SHA256
a795703f957c5c917d574a8771438268f3b8f971717cd347a8aa89f8c64acf3e

SHA512
7673cab4256ef753004965a3f5eed1261082ff6c5f4543dffd6ab4dc9d13a087f32682d258874b46aed61f841a34c9e297feb59dcc8af86f424506550e1c81e4

Download Submit
memory/2016-12-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2016-14-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2312-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2312-11-0x0000000000230000-0x000000000023F000-memory.dmp

Filesize
60KB

Download
memory/2312-10-0x0000000000230000-0x000000000023F000-memory.dmp

Filesize
60KB

Download
memory/2312-13-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2312-17-0x0000000000230000-0x000000000023F000-memory.dmp

Filesize
60KB

Download
memory/2312-18-0x0000000000230000-0x000000000023F000-memory.dmp

Filesize
60KB

Download

Analysis

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