4a424e4737e716abf6176f0ce25ca31f2e522adc586d417ddc9b1eb49e28bd72

General

Target

JaffaCakes118_5593397e0972441a044424ae06948d06.exe
Size

15KB
MD5

5593397e0972441a044424ae06948d06
SHA1

7b9756dfe1cea8baa622aae2867cd33f58d62197
SHA256

4a424e4737e716abf6176f0ce25ca31f2e522adc586d417ddc9b1eb49e28bd72
SHA512

b425bc7c5fd0f8ee766d564f6a5934339921725264e109703d822d2cc90e0aed28c863aff6668d0c0c906f7cdb727e5066b3d730b43de2ba4b4bd32e41d7e7c2
SSDEEP

384:e90YG11IixjvZ0HBEWqZQc8wWehuV0xYTsW9S:G0YZHmPi7wzuV0aTsB

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1688	gth73338.exe

Loads dropped DLL 7 IoCs

pid	Process
1148	JaffaCakes118_5593397e0972441a044424ae06948d06.exe
1148	JaffaCakes118_5593397e0972441a044424ae06948d06.exe
1688	gth73338.exe
1688	gth73338.exe
1688	gth73338.exe
1688	gth73338.exe
1688	gth73338.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\mmsfc1.dll	JaffaCakes118_5593397e0972441a044424ae06948d06.exe
File opened for modification	C:\Windows\SysWOW64\mmsfc1.dll	JaffaCakes118_5593397e0972441a044424ae06948d06.exe
File created	C:\Windows\SysWOW64\ComRes.dll	JaffaCakes118_5593397e0972441a044424ae06948d06.exe
File created	C:\Windows\SysWOW64\gth73338.exe	JaffaCakes118_5593397e0972441a044424ae06948d06.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1148-0-0x0000000000400000-0x0000000000437000-memory.dmp	upx
behavioral1/memory/1148-13-0x0000000000400000-0x0000000000437000-memory.dmp	upx

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\fOntS\ComRes.dll	JaffaCakes118_5593397e0972441a044424ae06948d06.exe
File created	C:\Windows\fOntS\gth73338.ttf	JaffaCakes118_5593397e0972441a044424ae06948d06.exe
File created	C:\Windows\fOntS\gth73338.fon	JaffaCakes118_5593397e0972441a044424ae06948d06.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	gth73338.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_5593397e0972441a044424ae06948d06.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1148	JaffaCakes118_5593397e0972441a044424ae06948d06.exe
1688	gth73338.exe
1688	gth73338.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1688	gth73338.exe
1688	gth73338.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1148 wrote to memory of 1688	1148	JaffaCakes118_5593397e0972441a044424ae06948d06.exe	28
PID 1148 wrote to memory of 1688	1148	JaffaCakes118_5593397e0972441a044424ae06948d06.exe	28
PID 1148 wrote to memory of 1688	1148	JaffaCakes118_5593397e0972441a044424ae06948d06.exe	28
PID 1148 wrote to memory of 1688	1148	JaffaCakes118_5593397e0972441a044424ae06948d06.exe	28

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5593397e0972441a044424ae06948d06.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5593397e0972441a044424ae06948d06.exe"
1⤵
- 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:1148
- C:\Windows\SysWOW64\gth73338.exe
  C:\Windows\system32\gth73338.exe C:\Windows\fOntS\ComRes.dll ins C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5593397e0972441a044424ae06948d06.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:1688

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

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Downloads

C:\Windows\SysWOW64\gth73338.exe

Filesize
43KB

MD5
51138beea3e2c21ec44d0932c71762a8

SHA1
8939cf35447b22dd2c6e6f443446acc1bf986d58

SHA256
5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

SHA512
794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

Download Submit
C:\Windows\fOntS\ComRes.dll

Filesize
156KB

MD5
615d4a31846add4208fc9e861e615954

SHA1
80d5324d7d1aacf800efd008b2f23d59531ff5e3

SHA256
097747eb5f1ccd26f2702c00f203e8c34bd9f7b914edcc02ccabf4538e8aaf07

SHA512
9648c3b0c82295ed2a6db8c2562e24b9f52c4861e0df76273b8fa93581d9d5c2a189a0a73ab7209bb039c489ec0b9274b0833b7f5d57a859bc69656c0a4966c4

Download Submit
C:\Windows\fOntS\gth73338.fon

Filesize
1KB

MD5
02ee7409694aee420304e83941128bb8

SHA1
a6ed3e616bff72d33962e6871bafa7c832816c8d

SHA256
1bdd006bd6bfa7a8cc8c3b2f0b08c3c9168513ea6e4d5eaff4cdd96e7a865a27

SHA512
1bcfeae1029683859f07d00c8a2855d9caa52e5196c906c01c72baa5e3bbd6353c0824d34a22e4f7e7c466b9abd06fb6c5117b842595058ce221285077ffd535

Download Submit
C:\Windows\fOntS\gth73338.ttf

Filesize
28KB

MD5
d9a85aab18628680a9b6e4e7df406450

SHA1
a6833a929892a3c83163d24e43e9bbc738b70de6

SHA256
85fb0977242849aa1065b0c875b5b9dc56826bb02018e08ae53ad9be196d9620

SHA512
d59b29dbbfa7282afbfc3012743c6e1951e19468498090aafab3bb5ef12de6a1893071cf0bc06467edc9da3c17897546089d09cc3b5d968f1cd0635d1dd4d2bb

Download Submit
\Windows\SysWOW64\mmsfc1.dll

Filesize
40KB

MD5
84799328d87b3091a3bdd251e1ad31f9

SHA1
64dbbe8210049f4d762de22525a7fe4313bf99d0

SHA256
f85521215924388830dbb13580688db70b46af4c7d82d549d09086438f8d237b

SHA512
0a9401c9c687f0edca01258c7920596408934caa21e5392dbaefc222c5c021255a40ec7c114a805cdb7f5a6153ec9fa9592edcc9e45406ce5612aa4e3da6a2c4

Download Submit
memory/1148-0-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/1148-13-0x0000000000400000-0x0000000000437000-memory.dmp

Filesize
220KB

Download
memory/1688-16-0x0000000010000000-0x0000000010016000-memory.dmp

Filesize
88KB

Download
memory/1688-22-0x0000000010000000-0x0000000010016000-memory.dmp

Filesize
88KB

Download
memory/1688-21-0x0000000010000000-0x0000000010016000-memory.dmp

Filesize
88KB

Download
memory/1688-26-0x0000000000160000-0x000000000016E000-memory.dmp

Filesize
56KB

Download
memory/1688-27-0x0000000010000000-0x0000000010016000-memory.dmp

Filesize
88KB

Download

Analysis

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