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
behavioral1/files/0x0007000000012101-18.dat	aspack_v212_v242

Deletes itself 1 IoCs

pid	Process
2700	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2348	Server.exe

Drops file in System32 directory 5 IoCs

description	ioc	Process
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
File created	C:\Windows\SysWOW64\Server.exe	f6c1ac8f3c9d3b2f3ae2658a01918bff_JaffaCakes118.exe
File opened for modification	C:\Windows\SysWOW64\Server.exe	f6c1ac8f3c9d3b2f3ae2658a01918bff_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	f6c1ac8f3c9d3b2f3ae2658a01918bff_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2168 wrote to memory of 2700	2168	f6c1ac8f3c9d3b2f3ae2658a01918bff_JaffaCakes118.exe	31
PID 2168 wrote to memory of 2700	2168	f6c1ac8f3c9d3b2f3ae2658a01918bff_JaffaCakes118.exe	31
PID 2168 wrote to memory of 2700	2168	f6c1ac8f3c9d3b2f3ae2658a01918bff_JaffaCakes118.exe	31
PID 2168 wrote to memory of 2700	2168	f6c1ac8f3c9d3b2f3ae2658a01918bff_JaffaCakes118.exe	31

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:2168
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Windows\system32\Deleteme.bat
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2700

C:\Windows\SysWOW64\Server.exe
C:\Windows\SysWOW64\Server.exe
1⤵
- Executes dropped EXE
- Drops file in System32 directory
PID:2348

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/2168-7-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/2168-6-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/2168-13-0x00000000031A0000-0x00000000031A2000-memory.dmp

Filesize
8KB

Download
memory/2168-12-0x00000000031B0000-0x00000000031B1000-memory.dmp

Filesize
4KB

Download
memory/2168-11-0x0000000000490000-0x0000000000491000-memory.dmp

Filesize
4KB

Download
memory/2168-10-0x0000000000500000-0x0000000000501000-memory.dmp

Filesize
4KB

Download
memory/2168-9-0x00000000004D0000-0x00000000004D1000-memory.dmp

Filesize
4KB

Download
memory/2168-8-0x00000000004E0000-0x00000000004E1000-memory.dmp

Filesize
4KB

Download
memory/2168-17-0x00000000031C0000-0x00000000031C1000-memory.dmp

Filesize
4KB

Download
memory/2168-14-0x00000000031F0000-0x00000000031F1000-memory.dmp

Filesize
4KB

Download
memory/2168-5-0x00000000004F0000-0x00000000004F1000-memory.dmp

Filesize
4KB

Download
memory/2168-4-0x00000000004A0000-0x00000000004A1000-memory.dmp

Filesize
4KB

Download
memory/2168-3-0x00000000004C0000-0x00000000004C1000-memory.dmp

Filesize
4KB

Download
memory/2168-2-0x0000000000320000-0x0000000000374000-memory.dmp

Filesize
336KB

Download
memory/2168-15-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2168-29-0x0000000000320000-0x0000000000374000-memory.dmp

Filesize
336KB

Download
memory/2168-16-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2168-28-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/2348-20-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download

Analysis

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