e2076214ea36860852f5697431cca7ab1d3ce99ae0487b2f1f2c150554badb53

General

Target

f52070e6730b87f869d8430c2856b7a4_JaffaCakes118.exe
Size

15KB
MD5

f52070e6730b87f869d8430c2856b7a4
SHA1

e35a793cf5bf914442b6da2c1d8f9d1735d3495f
SHA256

e2076214ea36860852f5697431cca7ab1d3ce99ae0487b2f1f2c150554badb53
SHA512

b47f71ca3f6ceb77e9c3347dc050727cac4c1617d8ea05a9f0fdc2509214d10e08954f5a1ece9759aa322ce872ef2a5fb93a84aa872694d783a00cc38d9e0749
SSDEEP

384:mHB4NBJnKkZ9BGe9J8hQ7x8FGzq8Q/vNkGQ:mhivKkZKe9J8a7x8Z8Q/vNk

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
2624	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
3028	kodensk.exe

Loads dropped DLL 2 IoCs

pid	Process
2088	f52070e6730b87f869d8430c2856b7a4_JaffaCakes118.exe
2088	f52070e6730b87f869d8430c2856b7a4_JaffaCakes118.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\kodens.dll	f52070e6730b87f869d8430c2856b7a4_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\kodensk.exe	f52070e6730b87f869d8430c2856b7a4_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\kodensk.exe	f52070e6730b87f869d8430c2856b7a4_JaffaCakes118.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2088-0-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral1/files/0x0009000000016cfe-3.dat	upx
behavioral1/memory/3028-11-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral1/memory/2088-12-0x0000000000400000-0x0000000000410000-memory.dmp	upx
behavioral1/memory/3028-16-0x0000000000400000-0x0000000000410000-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	f52070e6730b87f869d8430c2856b7a4_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 2088 wrote to memory of 3028	2088	f52070e6730b87f869d8430c2856b7a4_JaffaCakes118.exe	30
PID 2088 wrote to memory of 3028	2088	f52070e6730b87f869d8430c2856b7a4_JaffaCakes118.exe	30
PID 2088 wrote to memory of 3028	2088	f52070e6730b87f869d8430c2856b7a4_JaffaCakes118.exe	30
PID 2088 wrote to memory of 3028	2088	f52070e6730b87f869d8430c2856b7a4_JaffaCakes118.exe	30
PID 2088 wrote to memory of 2624	2088	f52070e6730b87f869d8430c2856b7a4_JaffaCakes118.exe	32
PID 2088 wrote to memory of 2624	2088	f52070e6730b87f869d8430c2856b7a4_JaffaCakes118.exe	32
PID 2088 wrote to memory of 2624	2088	f52070e6730b87f869d8430c2856b7a4_JaffaCakes118.exe	32
PID 2088 wrote to memory of 2624	2088	f52070e6730b87f869d8430c2856b7a4_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\f52070e6730b87f869d8430c2856b7a4_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f52070e6730b87f869d8430c2856b7a4_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2088
- C:\Windows\SysWOW64\kodensk.exe
  C:\Windows\system32\kodensk.exe ˜‰
  2⤵
  - Executes dropped EXE
  PID:3028
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\f52070e6730b87f869d8430c2856b7a4_JaffaCakes118.exe.bat
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2624

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\f52070e6730b87f869d8430c2856b7a4_JaffaCakes118.exe.bat

Filesize
210B

MD5
b7ecbb273f4473f7bfef094c457e3593

SHA1
723674005882c75a00164bd9ea826c5456a2dc11

SHA256
a46dbc6fa59ada3d61d8726e28656cab5fdc498acfe99671f69db862f988376d

SHA512
3ab52f9b17b3c09b23f76ba228574991753718bbe2efe80d0565696eccc336e20f19d784c062634943be3f76e12ba9ce6c4986055ba443e5833c29a86e9e4646

Download Submit
\Windows\SysWOW64\kodensk.exe

Filesize
15KB

MD5
f52070e6730b87f869d8430c2856b7a4

SHA1
e35a793cf5bf914442b6da2c1d8f9d1735d3495f

SHA256
e2076214ea36860852f5697431cca7ab1d3ce99ae0487b2f1f2c150554badb53

SHA512
b47f71ca3f6ceb77e9c3347dc050727cac4c1617d8ea05a9f0fdc2509214d10e08954f5a1ece9759aa322ce872ef2a5fb93a84aa872694d783a00cc38d9e0749

Download Submit
memory/2088-0-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2088-9-0x0000000000230000-0x0000000000240000-memory.dmp

Filesize
64KB

Download
memory/2088-12-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2088-13-0x0000000000230000-0x0000000000240000-memory.dmp

Filesize
64KB

Download
memory/2088-14-0x0000000000230000-0x0000000000240000-memory.dmp

Filesize
64KB

Download
memory/3028-11-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/3028-16-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download

Analysis

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