389cd3534f62eaacc999502ef6a1897a6e83e1d9f3082c3be78fa1f4dc0e97ad

General

Target

eaae905723241339055f9b57042f85a7_JaffaCakes118.exe
Size

13KB
MD5

eaae905723241339055f9b57042f85a7
SHA1

62f116fc29d95bcd94c386405dc652ae9028fe80
SHA256

389cd3534f62eaacc999502ef6a1897a6e83e1d9f3082c3be78fa1f4dc0e97ad
SHA512

586e650efe9c3cc16d8a93b5adaeedb444ee5cf16a1eb9b70383ca66c6b4676e9527e365d0088625685bfd963febe467f124d29e79ef1d9b29b108a6712f8c1f
SSDEEP

192:mAVIBFHiBceGgC/9mUT8b+h+c5pJzoBJ02urKz1rPjHJeMgpPa18X4:mAVpeeY/kU+sbXc1jjHYMgpPC8I

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
2696	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2724	cenvtak.exe

Loads dropped DLL 2 IoCs

pid	Process
2220	eaae905723241339055f9b57042f85a7_JaffaCakes118.exe
2220	eaae905723241339055f9b57042f85a7_JaffaCakes118.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2220-0-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral1/files/0x0008000000016c89-3.dat	upx
behavioral1/memory/2724-10-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral1/memory/2220-11-0x0000000000400000-0x000000000040F000-memory.dmp	upx
behavioral1/memory/2724-14-0x0000000000400000-0x000000000040F000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\cenvta.dll	eaae905723241339055f9b57042f85a7_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\cenvtak.exe	eaae905723241339055f9b57042f85a7_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\cenvtak.exe	eaae905723241339055f9b57042f85a7_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	eaae905723241339055f9b57042f85a7_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 2220 wrote to memory of 2724	2220	eaae905723241339055f9b57042f85a7_JaffaCakes118.exe	30
PID 2220 wrote to memory of 2724	2220	eaae905723241339055f9b57042f85a7_JaffaCakes118.exe	30
PID 2220 wrote to memory of 2724	2220	eaae905723241339055f9b57042f85a7_JaffaCakes118.exe	30
PID 2220 wrote to memory of 2724	2220	eaae905723241339055f9b57042f85a7_JaffaCakes118.exe	30
PID 2220 wrote to memory of 2696	2220	eaae905723241339055f9b57042f85a7_JaffaCakes118.exe	31
PID 2220 wrote to memory of 2696	2220	eaae905723241339055f9b57042f85a7_JaffaCakes118.exe	31
PID 2220 wrote to memory of 2696	2220	eaae905723241339055f9b57042f85a7_JaffaCakes118.exe	31
PID 2220 wrote to memory of 2696	2220	eaae905723241339055f9b57042f85a7_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\eaae905723241339055f9b57042f85a7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\eaae905723241339055f9b57042f85a7_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2220
- C:\Windows\SysWOW64\cenvtak.exe
  C:\Windows\system32\cenvtak.exe ˜‰
  2⤵
  - Executes dropped EXE
  PID:2724
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Local\Temp\eaae905723241339055f9b57042f85a7_JaffaCakes118.exe.bat
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2696

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\eaae905723241339055f9b57042f85a7_JaffaCakes118.exe.bat

Filesize
210B

MD5
3e7334f85ec6d942435b2432ee0c4dca

SHA1
a6619881d8b666017033bfa8147ff068ca14037b

SHA256
b067a1a011c03be4f6d4b9812c4014b2f1a2d6922611d00efbd2321adc939372

SHA512
15e19dd5e38a2773ade0e56418b1b07146cb9ce8dbd36f920aa731335f1904b454bb9ed5edbf3904e0fdace3dfd37b931dd5e9eba15578f8cf4a98adffa786a7

Download Submit
\Windows\SysWOW64\cenvtak.exe

Filesize
13KB

MD5
eaae905723241339055f9b57042f85a7

SHA1
62f116fc29d95bcd94c386405dc652ae9028fe80

SHA256
389cd3534f62eaacc999502ef6a1897a6e83e1d9f3082c3be78fa1f4dc0e97ad

SHA512
586e650efe9c3cc16d8a93b5adaeedb444ee5cf16a1eb9b70383ca66c6b4676e9527e365d0088625685bfd963febe467f124d29e79ef1d9b29b108a6712f8c1f

Download Submit
memory/2220-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2220-11-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2220-12-0x0000000000230000-0x000000000023F000-memory.dmp

Filesize
60KB

Download
memory/2724-10-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2724-14-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

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