e746832c45b60f90fefd8738d0d9540df167674fbf101dd9b974b966cde62457

General

Target

fad9a80024332efb7f5609b61c00ff56_JaffaCakes118.exe
Size

174KB
MD5

fad9a80024332efb7f5609b61c00ff56
SHA1

31e2caada015dcbb888dd351f06474d7177437a1
SHA256

e746832c45b60f90fefd8738d0d9540df167674fbf101dd9b974b966cde62457
SHA512

80599d1cebe327d7cb6bab1ce88dec2b0a35310b48e1d2784cb1685eec2456602fd7a965b5194e5499345a63d237dc252013bf3b877e5079860e6874b7fb8acb
SSDEEP

3072:2a6pmM3xy6bpgy4Zyv7q6RYZZeyqfEkQGUSQyYLWwA5pyAQ/NxgSiD9s8FlI6:wy62y4ZI7qoYXizQGUhfK5pVQ/M52

Score

8^/10

discovery persistence privilege_escalation

Malware Config

Signatures

Event Triggered Execution: AppCert DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppCert DLLs loaded into processes.
persistence privilege_escalation

AppCert DLLs
T1546.009

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	fad9a80024332efb7f5609b61c00ff56_JaffaCakes118.exe

Loads dropped DLL 4 IoCs

pid	Process
1384	fad9a80024332efb7f5609b61c00ff56_JaffaCakes118.exe
4324	Process not Found
4136	rundll32.exe
4652	cmd.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Credtvol.dll	fad9a80024332efb7f5609b61c00ff56_JaffaCakes118.exe
File opened for modification	C:\Windows\system32\Credtvol64.dll	fad9a80024332efb7f5609b61c00ff56_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1084	4652	WerFault.exe	93
4688	4652	WerFault.exe	93

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	fad9a80024332efb7f5609b61c00ff56_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1384	fad9a80024332efb7f5609b61c00ff56_JaffaCakes118.exe
1384	fad9a80024332efb7f5609b61c00ff56_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1384 wrote to memory of 4136	1384	fad9a80024332efb7f5609b61c00ff56_JaffaCakes118.exe	86
PID 1384 wrote to memory of 4136	1384	fad9a80024332efb7f5609b61c00ff56_JaffaCakes118.exe	86
PID 1384 wrote to memory of 4652	1384	fad9a80024332efb7f5609b61c00ff56_JaffaCakes118.exe	93
PID 1384 wrote to memory of 4652	1384	fad9a80024332efb7f5609b61c00ff56_JaffaCakes118.exe	93
PID 1384 wrote to memory of 4652	1384	fad9a80024332efb7f5609b61c00ff56_JaffaCakes118.exe	93

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2280	attrib.exe

C:\Users\Admin\AppData\Local\Temp\fad9a80024332efb7f5609b61c00ff56_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fad9a80024332efb7f5609b61c00ff56_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1384
- C:\Windows\System32\rundll32.exe
  "C:\Windows\System32\rundll32.exe" "C:\Windows\system32\Credtvol64.dll",CreateProcessNotify
  2⤵
  - Loads dropped DLL
  PID:4136
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\240639031.bat" "C:\Users\Admin\AppData\Local\Temp\fad9a80024332efb7f5609b61c00ff56_JaffaCakes118.exe""
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:4652
- - C:\Windows\SysWOW64\attrib.exe
    attrib -r -s -h"C:\Users\Admin\AppData\Local\Temp\fad9a80024332efb7f5609b61c00ff56_JaffaCakes118.exe"
    3⤵
    - Views/modifies file attributes
    PID:2280
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4652 -s 492
    3⤵
    - Program crash
    PID:1084
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4652 -s 528
    3⤵
    - Program crash
    PID:4688

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 1384 -ip 1384
1⤵
PID:2336

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 564 -p 4652 -ip 4652
1⤵
PID:4888

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 600 -p 4652 -ip 4652
1⤵
PID:3560

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

1

T1546

AppCert DLLs

1

T1546.009

Privilege Escalation

Event Triggered Execution

1

T1546

AppCert DLLs

1

T1546.009

Defense Evasion

Hide Artifacts

1

T1564

Hidden Files and Directories

1

T1564.001

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

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\240639031.bat

Filesize
75B

MD5
17382142b2ccb199865f2a1b5ca42dc8

SHA1
5a13d091b08402c4fcbb46abd4fff313967bf858

SHA256
5cceceac5650fcd9273a5a5b54686b2036da073e870b191cf10db2ad0270bb40

SHA512
4f217b614e52805ee27bbc2b90be81ead04b528b09e15d063cb32c280a970255dec3dffb72c50e3c209c154b5000452e245f7f7e2f407258a2e9715d9bd25a00

Download Submit
C:\Windows\SysWOW64\Credtvol.dll

Filesize
54KB

MD5
6564e07076dda55f1da5ccc8c40edeb8

SHA1
ef685e0491fe98a92ee4df180869f0c9cad95f98

SHA256
62d1e48d0bd38236c7f679da0f81760f91b44ae28310b4a4c53ff231238dd0d7

SHA512
2a6b0d35f5de4962be5f2d5f7d8d98a41915b1f24910a256760ec9d18719945d0aa0b335549f9338e8fc477d655c92e0579ce437c5d171502fd1746866a1d326

Download Submit
C:\Windows\System32\Credtvol64.dll

Filesize
62KB

MD5
d99463764fb1cb6608f2e2fea36bb016

SHA1
87a5518f3ef2db86930ed355d5b4f81362bd6418

SHA256
8557f233873fd2aa7bb675e48ac58d7d5fd60470033ad26660352bdbbacae65f

SHA512
268f9869d6fdc5673bc6fd6ef80e7b697bf172913b249b8b8626738eda387097ea00f6f5af7af56a60c8409f3bcc634502fa22599081c998874b9d5fa9a44938

Download Submit
memory/1384-0-0x0000000000C60000-0x0000000000C61000-memory.dmp

Filesize
4KB

Download
memory/1384-1-0x0000000001000000-0x000000000102E000-memory.dmp

Filesize
184KB

Download
memory/1384-6-0x00000000030E0000-0x00000000030E1000-memory.dmp

Filesize
4KB

Download
memory/1384-7-0x0000000010000000-0x0000000010012000-memory.dmp

Filesize
72KB

Download
memory/1384-9-0x0000000001000000-0x000000000102E000-memory.dmp

Filesize
184KB

Download
memory/1384-10-0x0000000010000000-0x0000000010012000-memory.dmp

Filesize
72KB

Download
memory/1384-17-0x0000000001000000-0x000000000102E000-memory.dmp

Filesize
184KB

Download
memory/4136-14-0x0000016068B30000-0x0000016068B31000-memory.dmp

Filesize
4KB

Download
memory/4652-22-0x0000000010000000-0x0000000010012000-memory.dmp

Filesize
72KB

Download

Analysis

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