ba1b31358265cf58e887bf635c30719108ec612da81218e81ee0f5b36e75c6e7

General

Target

7494240bcb777cd672a5aeb01799ea45_JaffaCakes118.exe
Size

51KB
MD5

7494240bcb777cd672a5aeb01799ea45
SHA1

68e5c6802bd23b070ba2a807fa1c1b58bcc8215a
SHA256

ba1b31358265cf58e887bf635c30719108ec612da81218e81ee0f5b36e75c6e7
SHA512

8ab3a92483970f4e23502081aa51134dece60cdfe335ecac6658e1ef3bea1a32c81a641d6d3464cde4cc00daf7aef106ba76ffcf140e630c38157c5b591b6feb
SSDEEP

1536:OfB3r0NuYrbmHlbXEvzE0pPGc1cr95GmnIs:Of9rrQochGocr9Ks

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
2904	cmd.exe

Loads dropped DLL 5 IoCs

pid	Process
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
1748	rundll32.exe
2904	cmd.exe

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2612-0-0x0000000000400000-0x000000000042D26B-memory.dmp	upx

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\ole.dll	7494240bcb777cd672a5aeb01799ea45_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\sysreqs.log	7494240bcb777cd672a5aeb01799ea45_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7494240bcb777cd672a5aeb01799ea45_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2612	7494240bcb777cd672a5aeb01799ea45_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2612	7494240bcb777cd672a5aeb01799ea45_JaffaCakes118.exe
2612	7494240bcb777cd672a5aeb01799ea45_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2612 wrote to memory of 1748	2612	7494240bcb777cd672a5aeb01799ea45_JaffaCakes118.exe	29
PID 2612 wrote to memory of 1748	2612	7494240bcb777cd672a5aeb01799ea45_JaffaCakes118.exe	29
PID 2612 wrote to memory of 1748	2612	7494240bcb777cd672a5aeb01799ea45_JaffaCakes118.exe	29
PID 2612 wrote to memory of 1748	2612	7494240bcb777cd672a5aeb01799ea45_JaffaCakes118.exe	29
PID 2612 wrote to memory of 1748	2612	7494240bcb777cd672a5aeb01799ea45_JaffaCakes118.exe	29
PID 2612 wrote to memory of 1748	2612	7494240bcb777cd672a5aeb01799ea45_JaffaCakes118.exe	29
PID 2612 wrote to memory of 1748	2612	7494240bcb777cd672a5aeb01799ea45_JaffaCakes118.exe	29
PID 2612 wrote to memory of 2904	2612	7494240bcb777cd672a5aeb01799ea45_JaffaCakes118.exe	30
PID 2612 wrote to memory of 2904	2612	7494240bcb777cd672a5aeb01799ea45_JaffaCakes118.exe	30
PID 2612 wrote to memory of 2904	2612	7494240bcb777cd672a5aeb01799ea45_JaffaCakes118.exe	30
PID 2612 wrote to memory of 2904	2612	7494240bcb777cd672a5aeb01799ea45_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\7494240bcb777cd672a5aeb01799ea45_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\7494240bcb777cd672a5aeb01799ea45_JaffaCakes118.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2612
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe ole.dll,SetHook
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:1748
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c c:\delf77e946.bat
  2⤵
  - Deletes itself
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:2904

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:\Windows\SysWOW64\ole.dll

Filesize
36KB

MD5
6d20cd3805f594a6377680ac72e36609

SHA1
8c5a29140a1a17e68f78f23dd7f9e6018f9a6ea6

SHA256
eabfbf3a4b4e10edbb696762d96bc538536cab1a6d30ebbd16ddc863a02aac4c

SHA512
e7545b25805af365797ae7ca26fa010552d0436ab7839b8869db99c9fd53356626c5e1dd9a4d798608e106b19fcded5f73507c9af5c5437dbb22556785a24d52

Download Submit
\??\c:\delf77e946.bat

Filesize
235B

MD5
23fbd37216d8721355ab5fa6b5c1575b

SHA1
41f30bf3d46e2949e9f3d1abdcda608add860e7a

SHA256
0a4680ef749e24bfeb1d20148056d1ffd0984614a278be8c1e869ab96f582910

SHA512
20db488bd8e4bb42be71a2fe9b8249ec4b87cd9cf10e338c67dd809de9dbd04d33e8c7b08ccdf532080edf34c2c2e1365b17ebfaf2a4489458e79a7d7c827dd5

Download Submit
memory/1748-16-0x0000000010000000-0x0000000010016000-memory.dmp

Filesize
88KB

Download
memory/1748-17-0x0000000010000000-0x0000000010016000-memory.dmp

Filesize
88KB

Download
memory/1748-15-0x0000000010000000-0x0000000010016000-memory.dmp

Filesize
88KB

Download
memory/1748-13-0x000000001000F000-0x0000000010010000-memory.dmp

Filesize
4KB

Download
memory/1748-14-0x0000000010000000-0x0000000010016000-memory.dmp

Filesize
88KB

Download
memory/1748-12-0x0000000010000000-0x0000000010016000-memory.dmp

Filesize
88KB

Download
memory/1748-11-0x0000000010000000-0x0000000010016000-memory.dmp

Filesize
88KB

Download
memory/2612-2-0x0000000000400000-0x000000000042D26B-memory.dmp

Filesize
180KB

Download
memory/2612-0-0x0000000000400000-0x000000000042D26B-memory.dmp

Filesize
180KB

Download
memory/2612-3-0x0000000000400000-0x000000000042D26B-memory.dmp

Filesize
180KB

Download
memory/2612-20-0x0000000000400000-0x000000000042D26B-memory.dmp

Filesize
180KB

Download
memory/2612-21-0x0000000000401000-0x000000000041D000-memory.dmp

Filesize
112KB

Download
memory/2612-1-0x0000000000401000-0x000000000041D000-memory.dmp

Filesize
112KB

Download
memory/2904-24-0x0000000010000000-0x0000000010016000-memory.dmp

Filesize
88KB

Download
memory/2904-23-0x0000000010000000-0x0000000010016000-memory.dmp

Filesize
88KB

Download
memory/2904-26-0x0000000010000000-0x0000000010016000-memory.dmp

Filesize
88KB

Download
memory/2904-25-0x0000000010000000-0x0000000010016000-memory.dmp

Filesize
88KB

Download
memory/2904-28-0x0000000010000000-0x0000000010016000-memory.dmp

Filesize
88KB

Download

Analysis

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