64334de5a2c07dd74be927567c5e340a474f62ea967ec1ed914e6930a6c81934

General

Target

d6d5b1dd4fa0855f7905e88db766793a_JaffaCakes118.exe
Size

10KB
MD5

d6d5b1dd4fa0855f7905e88db766793a
SHA1

400813fd25b24b5d29270918a99853cc156f6f86
SHA256

64334de5a2c07dd74be927567c5e340a474f62ea967ec1ed914e6930a6c81934
SHA512

8ab6840cffd441bdaac2430855b3e4ffdba44332ff3ad65126cf3a7837a9481d71a8fe66d4bf7b39e4ba04fa8cc007a65ab87db645bf9bb6dda1e59d5e1102a0
SSDEEP

192:EIysA/4ZJH5dtpJNynX698rLFxMWhhW1qkND+l2aD/Dg+:EIysAwZtRbNynq98rYWPWVND+l1D/s+

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
2196	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2416	mysibkk.exe

Loads dropped DLL 2 IoCs

pid	Process
2320	d6d5b1dd4fa0855f7905e88db766793a_JaffaCakes118.exe
2320	d6d5b1dd4fa0855f7905e88db766793a_JaffaCakes118.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2320-0-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral1/files/0x0033000000016ca2-3.dat	upx
behavioral1/memory/2320-18-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral1/memory/2416-20-0x0000000000400000-0x000000000040F000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\mysibk.dll	d6d5b1dd4fa0855f7905e88db766793a_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\mysibkk.exe	d6d5b1dd4fa0855f7905e88db766793a_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\mysibkk.exe	d6d5b1dd4fa0855f7905e88db766793a_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	d6d5b1dd4fa0855f7905e88db766793a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2320	d6d5b1dd4fa0855f7905e88db766793a_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2320 wrote to memory of 2416	2320	d6d5b1dd4fa0855f7905e88db766793a_JaffaCakes118.exe	28
PID 2320 wrote to memory of 2416	2320	d6d5b1dd4fa0855f7905e88db766793a_JaffaCakes118.exe	28
PID 2320 wrote to memory of 2416	2320	d6d5b1dd4fa0855f7905e88db766793a_JaffaCakes118.exe	28
PID 2320 wrote to memory of 2416	2320	d6d5b1dd4fa0855f7905e88db766793a_JaffaCakes118.exe	28
PID 2320 wrote to memory of 2196	2320	d6d5b1dd4fa0855f7905e88db766793a_JaffaCakes118.exe	29
PID 2320 wrote to memory of 2196	2320	d6d5b1dd4fa0855f7905e88db766793a_JaffaCakes118.exe	29
PID 2320 wrote to memory of 2196	2320	d6d5b1dd4fa0855f7905e88db766793a_JaffaCakes118.exe	29
PID 2320 wrote to memory of 2196	2320	d6d5b1dd4fa0855f7905e88db766793a_JaffaCakes118.exe	29

C:\Users\Admin\AppData\Local\Temp\d6d5b1dd4fa0855f7905e88db766793a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d6d5b1dd4fa0855f7905e88db766793a_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2320
- C:\Windows\SysWOW64\mysibkk.exe
  C:\Windows\system32\mysibkk.exe ˜‰
  2⤵
  - Executes dropped EXE
  PID:2416
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\d6d5b1dd4fa0855f7905e88db766793a_JaffaCakes118.exe.bat
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2196

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\d6d5b1dd4fa0855f7905e88db766793a_JaffaCakes118.exe.bat

Filesize
210B

MD5
a8863fa2005de73700b59f548edde6db

SHA1
e8d17fcff9bc09b88381c8e1e31e068ef7bed5c2

SHA256
d6d70864c494bd1778545ce871a435775143edf9e7b415bdd8d54fdd6ebccbea

SHA512
9b266d50bff2d263106260e14b5afb6dcf538387bf42de762d89bc627426885c337f7db3a2cb40443b457912c75c748f73aae3eb3bf74348a389ad3b5426ab4e

Download Submit
\Windows\SysWOW64\mysibkk.exe

Filesize
10KB

MD5
d6d5b1dd4fa0855f7905e88db766793a

SHA1
400813fd25b24b5d29270918a99853cc156f6f86

SHA256
64334de5a2c07dd74be927567c5e340a474f62ea967ec1ed914e6930a6c81934

SHA512
8ab6840cffd441bdaac2430855b3e4ffdba44332ff3ad65126cf3a7837a9481d71a8fe66d4bf7b39e4ba04fa8cc007a65ab87db645bf9bb6dda1e59d5e1102a0

Download Submit
memory/2320-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2320-18-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2416-20-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

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