28b7e3595512cd3dcab0153907b3f318d062efa59f0cbfb80d0212c7e4e8ce15

General

Target

f6c1ac8f3c9d3b2f3ae2658a01918bff_JaffaCakes118.exe
Size

422KB
MD5

f6c1ac8f3c9d3b2f3ae2658a01918bff
SHA1

6f42164711fcc6bad9ec2d984132f11f2a2fd148
SHA256

28b7e3595512cd3dcab0153907b3f318d062efa59f0cbfb80d0212c7e4e8ce15
SHA512

5ac7e498675ad147cd4ae81b1484d8c7571eac1dcd2b7312d991ee45f15aab69acafdc6814eac91e1721c0144324dfd3d728dd0afbdd3b00e12efd5e7fdad3a6
SSDEEP

12288:7b2/pTtDN26J9yS4QiTLwLOC1ojBuzolNQ+AWK:G0y9yS4QAwLOFjIENQ+C

Score

7^/10

aspackv2 discovery

Malware Config

Signatures

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral2/files/0x000c0000000234c3-19.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
2904	Server.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Server.exe	f6c1ac8f3c9d3b2f3ae2658a01918bff_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\Server.exe	f6c1ac8f3c9d3b2f3ae2658a01918bff_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\W_Server.dll	f6c1ac8f3c9d3b2f3ae2658a01918bff_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\Server.exe	Server.exe
File created	C:\Windows\SysWOW64\Deleteme.bat	f6c1ac8f3c9d3b2f3ae2658a01918bff_JaffaCakes118.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2328	384	WerFault.exe	81
3396	2904	WerFault.exe	85

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	f6c1ac8f3c9d3b2f3ae2658a01918bff_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 384 wrote to memory of 2672	384	f6c1ac8f3c9d3b2f3ae2658a01918bff_JaffaCakes118.exe	88
PID 384 wrote to memory of 2672	384	f6c1ac8f3c9d3b2f3ae2658a01918bff_JaffaCakes118.exe	88
PID 384 wrote to memory of 2672	384	f6c1ac8f3c9d3b2f3ae2658a01918bff_JaffaCakes118.exe	88

C:\Users\Admin\AppData\Local\Temp\f6c1ac8f3c9d3b2f3ae2658a01918bff_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f6c1ac8f3c9d3b2f3ae2658a01918bff_JaffaCakes118.exe"
1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:384
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 384 -s 384
  2⤵
  - Program crash
  PID:2328
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Windows\system32\Deleteme.bat
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2672

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 384 -ip 384
1⤵
PID:4224

C:\Windows\SysWOW64\Server.exe
C:\Windows\SysWOW64\Server.exe
1⤵
- Executes dropped EXE
- Drops file in System32 directory
PID:2904
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2904 -s 372
  2⤵
  - Program crash
  PID:3396

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 2904 -ip 2904
1⤵
PID:2684

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

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Downloads

C:\Windows\SysWOW64\Deleteme.bat

Filesize
212B

MD5
55da017ae1aef50d23ef817393a76458

SHA1
30b376cd73bc0f2affd1882fd436c48833e8d6fc

SHA256
5b1b5ccdf9c4c71df935c86497a62539771bed86e79ba1c3aadc4ffbbd1d08d1

SHA512
bac9f100472e37137560b72a354f7ceb97e41baa860a9e5d69112b9c954fc8579fd27cb3de18b7f6f699bfee40e781db2ee83cba5570d866afbfa1c6f654652a

Download Submit
C:\Windows\SysWOW64\Server.exe

Filesize
422KB

MD5
f6c1ac8f3c9d3b2f3ae2658a01918bff

SHA1
6f42164711fcc6bad9ec2d984132f11f2a2fd148

SHA256
28b7e3595512cd3dcab0153907b3f318d062efa59f0cbfb80d0212c7e4e8ce15

SHA512
5ac7e498675ad147cd4ae81b1484d8c7571eac1dcd2b7312d991ee45f15aab69acafdc6814eac91e1721c0144324dfd3d728dd0afbdd3b00e12efd5e7fdad3a6

Download Submit
memory/384-6-0x0000000002350000-0x0000000002351000-memory.dmp

Filesize
4KB

Download
memory/384-5-0x00000000022E0000-0x00000000022E1000-memory.dmp

Filesize
4KB

Download
memory/384-14-0x0000000003310000-0x0000000003311000-memory.dmp

Filesize
4KB

Download
memory/384-11-0x00000000032C0000-0x00000000032C2000-memory.dmp

Filesize
8KB

Download
memory/384-10-0x00000000032D0000-0x00000000032D1000-memory.dmp

Filesize
4KB

Download
memory/384-9-0x0000000002300000-0x0000000002301000-memory.dmp

Filesize
4KB

Download
memory/384-8-0x0000000002370000-0x0000000002371000-memory.dmp

Filesize
4KB

Download
memory/384-7-0x0000000002340000-0x0000000002341000-memory.dmp

Filesize
4KB

Download
memory/384-0-0x0000000002100000-0x0000000002154000-memory.dmp

Filesize
336KB

Download
memory/384-15-0x00000000020A0000-0x00000000020A1000-memory.dmp

Filesize
4KB

Download
memory/384-4-0x00000000022F0000-0x00000000022F1000-memory.dmp

Filesize
4KB

Download
memory/384-3-0x0000000002360000-0x0000000002361000-memory.dmp

Filesize
4KB

Download
memory/384-2-0x0000000002310000-0x0000000002311000-memory.dmp

Filesize
4KB

Download
memory/384-1-0x0000000002330000-0x0000000002331000-memory.dmp

Filesize
4KB

Download
memory/384-16-0x00000000020B0000-0x00000000020B1000-memory.dmp

Filesize
4KB

Download
memory/384-17-0x00000000032E0000-0x00000000032E1000-memory.dmp

Filesize
4KB

Download
memory/384-23-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/384-24-0x0000000002100000-0x0000000002154000-memory.dmp

Filesize
336KB

Download
memory/2904-20-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download

Analysis

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