cycbot | 6e6e088cf130e883f2ad32f2a73f1d0b22c97ba66b3dcc655e16d0020fdc10eb

General

Target

JaffaCakes118_7aa3bbee9323a1e34452ccd4c6bb8230.exe
Size

193KB
MD5

7aa3bbee9323a1e34452ccd4c6bb8230
SHA1

53f303da8a0e18533538f91a66639e696d9036dd
SHA256

6e6e088cf130e883f2ad32f2a73f1d0b22c97ba66b3dcc655e16d0020fdc10eb
SHA512

4e2a8f4a0e4645e2f2a558fd809c847d36458642689ae5f6df23f82cca19338f9cbd6468caa7fc290def77350ae35d7202d08182fa76fa4473a7120195ff4244
SSDEEP

3072:pdw8KI2FAwZXhgEYHTWglAGib6nYNw56Fdw0wAIFhgJTZO9/6OCTMFkp3:pd5hMWNHrlabBw5OwA49ijTGe

Score

10^/10

cycbot backdoor discovery rat spyware stealer upx

Malware Config

Signatures

Cycbot
Cycbot is a backdoor and trojan written in C++..
backdoor rat cycbot
Cycbot family
cycbot

Detects Cycbot payload 4 IoCs

Cycbot is a backdoor and trojan written in C++.

resource	yara_rule
behavioral1/memory/2976-14-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/2984-15-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/1484-91-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/2984-196-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2984-2-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2976-12-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2976-14-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2984-15-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/1484-89-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/1484-91-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2984-196-0x0000000000400000-0x000000000044E000-memory.dmp	upx

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	JaffaCakes118_7aa3bbee9323a1e34452ccd4c6bb8230.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_7aa3bbee9323a1e34452ccd4c6bb8230.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_7aa3bbee9323a1e34452ccd4c6bb8230.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2984 wrote to memory of 2976	2984	JaffaCakes118_7aa3bbee9323a1e34452ccd4c6bb8230.exe	30
PID 2984 wrote to memory of 2976	2984	JaffaCakes118_7aa3bbee9323a1e34452ccd4c6bb8230.exe	30
PID 2984 wrote to memory of 2976	2984	JaffaCakes118_7aa3bbee9323a1e34452ccd4c6bb8230.exe	30
PID 2984 wrote to memory of 2976	2984	JaffaCakes118_7aa3bbee9323a1e34452ccd4c6bb8230.exe	30
PID 2984 wrote to memory of 1484	2984	JaffaCakes118_7aa3bbee9323a1e34452ccd4c6bb8230.exe	33
PID 2984 wrote to memory of 1484	2984	JaffaCakes118_7aa3bbee9323a1e34452ccd4c6bb8230.exe	33
PID 2984 wrote to memory of 1484	2984	JaffaCakes118_7aa3bbee9323a1e34452ccd4c6bb8230.exe	33
PID 2984 wrote to memory of 1484	2984	JaffaCakes118_7aa3bbee9323a1e34452ccd4c6bb8230.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7aa3bbee9323a1e34452ccd4c6bb8230.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7aa3bbee9323a1e34452ccd4c6bb8230.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2984
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7aa3bbee9323a1e34452ccd4c6bb8230.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7aa3bbee9323a1e34452ccd4c6bb8230.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2976
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7aa3bbee9323a1e34452ccd4c6bb8230.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7aa3bbee9323a1e34452ccd4c6bb8230.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1484

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\BF7F.0F3

Filesize
1KB

MD5
d6c33a8dd43794e99789ea08fd24a686

SHA1
b94675e67622a07b3e0b94a31886d503e48edca8

SHA256
de30aad5a0b08bf0274d3fab5b536a699f17bf30af5e4fb7dccb0ba973d887ab

SHA512
465c2f3e1fe1477dc562d25a5f134f19abe57ddd5ae6c3da541b4c0d0decbf6e707ad44e6ba591462ac78ac99bd6742ed75b171c2ad9f18c8382da32573d15b9

Download Submit
C:\Users\Admin\AppData\Roaming\BF7F.0F3

Filesize
600B

MD5
f40dc7b967ac0a3144020b8e94fef602

SHA1
810bb885ce662b097fd6e10aa0a593b3cf11f3ba

SHA256
8d28e801f2440aadbd101a4b048c20627fb58d39ac4253ed3a4e0cec1ce60608

SHA512
ee5a2f991664a08d943a96ef26f89a27a2c9c901d6471c21b624df7cab3617d881d180ab49a68380ae89e33167285754bc1d3e871a2237d0aa9fef215606cf80

Download Submit
memory/1484-89-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1484-91-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2976-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2976-14-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2984-1-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2984-2-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2984-15-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2984-196-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

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