aabef5acbda4a352af037e940fb4447582d59caea32faa53e5325e2eb655f0aa

General

Target

eba44f2f8cd130a51edc96d776c38ca8_JaffaCakes118.exe
Size

27KB
MD5

eba44f2f8cd130a51edc96d776c38ca8
SHA1

c39c39304556721e791c649ad1d050a88af74629
SHA256

aabef5acbda4a352af037e940fb4447582d59caea32faa53e5325e2eb655f0aa
SHA512

efc94b8043983d39f7689866350a8226673564a437252f4a1f4d88c5de04d6a2f8ccd42b7c77c8e5fac14fd148c69db229f3f3cee9c469c9897da209aa7a2a81
SSDEEP

768:VQjrjH4zBH2lC4CrleNlBk1OG/Tdk24tO:VQjrL2BmCjhuLKObw

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2056	gbvgbv16.exe

Executes dropped EXE 2 IoCs

pid	Process
2056	gbvgbv16.exe
2200	gbvgbv16.exe

Loads dropped DLL 5 IoCs

pid	Process
1796	eba44f2f8cd130a51edc96d776c38ca8_JaffaCakes118.exe
1796	eba44f2f8cd130a51edc96d776c38ca8_JaffaCakes118.exe
2056	gbvgbv16.exe
2200	gbvgbv16.exe
2200	gbvgbv16.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1796-0-0x0000000000400000-0x0000000000414000-memory.dmp	upx
behavioral1/memory/1796-19-0x0000000000400000-0x0000000000414000-memory.dmp	upx

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\gbvgbv16.exe	eba44f2f8cd130a51edc96d776c38ca8_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\gbvgbv16.exe	eba44f2f8cd130a51edc96d776c38ca8_JaffaCakes118.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\fonts\dbr16031.ttf	eba44f2f8cd130a51edc96d776c38ca8_JaffaCakes118.exe
File opened for modification	C:\Windows\fonts\dbr16031.ttf	eba44f2f8cd130a51edc96d776c38ca8_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	eba44f2f8cd130a51edc96d776c38ca8_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	gbvgbv16.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	gbvgbv16.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
1796	eba44f2f8cd130a51edc96d776c38ca8_JaffaCakes118.exe
2056	gbvgbv16.exe
2056	gbvgbv16.exe
2056	gbvgbv16.exe
2056	gbvgbv16.exe
2056	gbvgbv16.exe
2056	gbvgbv16.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1796 wrote to memory of 1208	1796	eba44f2f8cd130a51edc96d776c38ca8_JaffaCakes118.exe	21
PID 1796 wrote to memory of 2056	1796	eba44f2f8cd130a51edc96d776c38ca8_JaffaCakes118.exe	30
PID 1796 wrote to memory of 2056	1796	eba44f2f8cd130a51edc96d776c38ca8_JaffaCakes118.exe	30
PID 1796 wrote to memory of 2056	1796	eba44f2f8cd130a51edc96d776c38ca8_JaffaCakes118.exe	30
PID 1796 wrote to memory of 2056	1796	eba44f2f8cd130a51edc96d776c38ca8_JaffaCakes118.exe	30
PID 1796 wrote to memory of 2200	1796	eba44f2f8cd130a51edc96d776c38ca8_JaffaCakes118.exe	31
PID 1796 wrote to memory of 2200	1796	eba44f2f8cd130a51edc96d776c38ca8_JaffaCakes118.exe	31
PID 1796 wrote to memory of 2200	1796	eba44f2f8cd130a51edc96d776c38ca8_JaffaCakes118.exe	31
PID 1796 wrote to memory of 2200	1796	eba44f2f8cd130a51edc96d776c38ca8_JaffaCakes118.exe	31

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1208
- C:\Users\Admin\AppData\Local\Temp\eba44f2f8cd130a51edc96d776c38ca8_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\eba44f2f8cd130a51edc96d776c38ca8_JaffaCakes118.exe"
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1796
- - C:\Windows\SysWOW64\gbvgbv16.exe
    C:\Windows\system32\gbvgbv16.exe C:\Windows\system32\dbr16031.ocx pfjaoidjglkajd C:\Users\Admin\AppData\Local\Temp\eba44f2f8cd130a51edc96d776c38ca8_JaffaCakes118.exe
    3⤵
    - Deletes itself
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    PID:2056
- - C:\Windows\SysWOW64\gbvgbv16.exe
    C:\Windows\system32\gbvgbv16.exe C:\Windows\system32\dbr99008.ocx pfjieaoidjglkajd
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:2200

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

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

Loading Replay Monitor...

Downloads

C:\Windows\SysWOW64\dbr99008.ocx

Filesize
11KB

MD5
fe939fed997e8a51f7969178953f8c51

SHA1
998b7aad9252a20f340bac68acc6ab719d20ad62

SHA256
306d8061b2ed790624c81ba9a2cd83fafb39e490ba5aa74fa76d3f2fd30c052d

SHA512
5b643c48fdb5df297a5c70cde6963ef3a9b041e40cae08161832b863d690d15390b936e667535df4a87168f918f3d60f2b1e28457a095c6f710355580f1e1fb4

Download Submit
C:\Windows\fonts\dbr16031.ttf

Filesize
412B

MD5
732f4874880624b3cdd760b096a5facc

SHA1
78ba63f3379acade46aa0dd910a73bb5b51a89a9

SHA256
d24c26c86f596c5b7409e4b0d8c1a263d220fbb185a47f999e355b1c7841fac6

SHA512
a010224c1ad6326a6907a5301d48d00bbc8438a3cf60cb2571afbee9369c60b3fc2ad0436df5e03e70ce61c5611a0a6be9440083c2acb5366ad6b10f3e56330b

Download Submit
\Windows\SysWOW64\dbr16031.ocx

Filesize
37KB

MD5
2a155689fa463358b119857ec18ca543

SHA1
c513e9d38509907aec6100d1eba50fb6305de94b

SHA256
136437ff874e787cf4aa72b6c482fe3fc3953f236a3c63689d62ad97b8689808

SHA512
daa8f9c328ff1de15ecf91f45a421175dc621a4807eb4585876dbd12a8b3d6452c82acaded0f40dd37bcf8337f8c7f0ccabc6ee0823e1433c88b8cf0e2fa35fc

Download Submit
\Windows\SysWOW64\gbvgbv16.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
memory/1208-7-0x0000000002570000-0x0000000002571000-memory.dmp

Filesize
4KB

Download
memory/1796-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1796-19-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2056-21-0x0000000010000000-0x000000001000E000-memory.dmp

Filesize
56KB

Download
memory/2200-31-0x0000000000120000-0x000000000012E000-memory.dmp

Filesize
56KB

Download
memory/2200-25-0x0000000010000000-0x0000000010006000-memory.dmp

Filesize
24KB

Download
memory/2200-32-0x0000000010000000-0x0000000010006000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing