cycbot | ca5fa8be93f118fdb26fcb970ec6194691a80ed4d51721f8ab5dba32afaf3590

General

Target

JaffaCakes118_64f9b94be51e2e97bbdb62d77c27355e.exe
Size

183KB
MD5

64f9b94be51e2e97bbdb62d77c27355e
SHA1

28bf3b4e18bfecf3ca0f128e0237a4b0e2414b02
SHA256

ca5fa8be93f118fdb26fcb970ec6194691a80ed4d51721f8ab5dba32afaf3590
SHA512

686c4823c7263180c4fc698f16f255ee7626cfeb4a8f365b43a6842cccd90203ed75b7884bda42d11f2dc9d7afcce47e94c5c3662c2acaae7286dc525a84c3eb
SSDEEP

3072:nFmbzWn7+CwH2aXwQNFWwqRaTW0MgxntUn3YuBL5xM68:FCmF9aA+qQkggoSLDMj

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/2500-12-0x0000000000400000-0x0000000000471000-memory.dmp	family_cycbot
behavioral1/memory/2496-13-0x0000000000400000-0x0000000000471000-memory.dmp	family_cycbot
behavioral1/memory/2632-84-0x0000000000400000-0x0000000000471000-memory.dmp	family_cycbot
behavioral1/memory/2496-187-0x0000000000400000-0x0000000000471000-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 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2496-2-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral1/memory/2500-12-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral1/memory/2496-13-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral1/memory/2632-83-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral1/memory/2632-84-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral1/memory/2496-187-0x0000000000400000-0x0000000000471000-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_64f9b94be51e2e97bbdb62d77c27355e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_64f9b94be51e2e97bbdb62d77c27355e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_64f9b94be51e2e97bbdb62d77c27355e.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2496 wrote to memory of 2500	2496	JaffaCakes118_64f9b94be51e2e97bbdb62d77c27355e.exe	31
PID 2496 wrote to memory of 2500	2496	JaffaCakes118_64f9b94be51e2e97bbdb62d77c27355e.exe	31
PID 2496 wrote to memory of 2500	2496	JaffaCakes118_64f9b94be51e2e97bbdb62d77c27355e.exe	31
PID 2496 wrote to memory of 2500	2496	JaffaCakes118_64f9b94be51e2e97bbdb62d77c27355e.exe	31
PID 2496 wrote to memory of 2632	2496	JaffaCakes118_64f9b94be51e2e97bbdb62d77c27355e.exe	33
PID 2496 wrote to memory of 2632	2496	JaffaCakes118_64f9b94be51e2e97bbdb62d77c27355e.exe	33
PID 2496 wrote to memory of 2632	2496	JaffaCakes118_64f9b94be51e2e97bbdb62d77c27355e.exe	33
PID 2496 wrote to memory of 2632	2496	JaffaCakes118_64f9b94be51e2e97bbdb62d77c27355e.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_64f9b94be51e2e97bbdb62d77c27355e.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_64f9b94be51e2e97bbdb62d77c27355e.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2496
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_64f9b94be51e2e97bbdb62d77c27355e.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_64f9b94be51e2e97bbdb62d77c27355e.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2500
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_64f9b94be51e2e97bbdb62d77c27355e.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_64f9b94be51e2e97bbdb62d77c27355e.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2632

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\D312.B4B

Filesize
600B

MD5
f94b34c441b0b1f4abfe5b7fdbc45cfe

SHA1
1243a2e3b61a616e53ddb34f7d2e92e6e690d5a1

SHA256
b2b917fe67974690b729fe133e6768e43ed1017ec8718155c2f5ebaf5bc12ffe

SHA512
9790827b3aeaba8cbd01241974325bc2979eba90cdaedd4ff1af3837558141a624ceac67c8898c8704658232b620a168d37f5673047e9f51264fecf39644c265

Download Submit
C:\Users\Admin\AppData\Roaming\D312.B4B

Filesize
1KB

MD5
bf0ca21971f3e2f70b514d5d1c3fc7cc

SHA1
ffd072ced192c20ac8cdd13b05c5ae1d5289c9fa

SHA256
4826e9d840ec24f17ae8242b6b6d287fc48aa8b04a4c1b75eab852b0408a2298

SHA512
2c2490e5eb5dc06062052da056160626d99bdd7792b994bb4a511886401a4f5404083644d41bf02f54c9b5b503231c0c10580449301b7b03c67b442fa81d5c63

Download Submit
C:\Users\Admin\AppData\Roaming\D312.B4B

Filesize
996B

MD5
277a87885253276c20e6e9532e8ca401

SHA1
3cc106f05d2ff2f05e9d6826200870e252065650

SHA256
af89df410136aa12f81f6202296e93c2f54c679db6a02cee2ffb4f5c5575748e

SHA512
6916e65d7b6a37cae742b22a4b110640040b762733e677c6a240d90cf53b3a26bf163364517104475a7fa573e42963fe03db1798548ce10ad88538247cbfc7ca

Download Submit
memory/2496-1-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/2496-2-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/2496-13-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/2496-187-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/2500-12-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/2632-83-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/2632-84-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download

Analysis

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