cycbot | 2b1b91cc1fabf27645d72727fce92f0db418a5b89209f943c17f842be8c8654f

General

Target

JaffaCakes118_9a6930d94dc7f7a4309ecfb3340842f4.exe
Size

180KB
MD5

9a6930d94dc7f7a4309ecfb3340842f4
SHA1

5ab4c805c3cbbe78c318b9516ef68cffa3f42ff0
SHA256

2b1b91cc1fabf27645d72727fce92f0db418a5b89209f943c17f842be8c8654f
SHA512

180905b3795ff8c23c1cb10a003c3386b5774344e5180609c89bfb3a42b189ec0b74e53b4120b5db1596a2e4a4ffb10279575832214cd9420ac2f1629851b176
SSDEEP

3072:0PJ/TXmhw8wpKxflTmOeLyQ+jHQ4Ll1nGflMSqojkUG1M2jC8tkYHnScMK27nj53:0x/7mhwxpKx9TXEdMSqoja1JCinJ0B

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 7 IoCs

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

resource	yara_rule
behavioral1/memory/1148-15-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/1148-14-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/1492-16-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral1/memory/1492-17-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/1068-105-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/1068-104-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/1492-288-0x0000000000400000-0x0000000000455000-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 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1492-3-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/1148-15-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/1148-14-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/1492-16-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/1492-17-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/1068-105-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/1068-104-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/1492-288-0x0000000000400000-0x0000000000455000-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_9a6930d94dc7f7a4309ecfb3340842f4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_9a6930d94dc7f7a4309ecfb3340842f4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_9a6930d94dc7f7a4309ecfb3340842f4.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1492 wrote to memory of 1148	1492	JaffaCakes118_9a6930d94dc7f7a4309ecfb3340842f4.exe	29
PID 1492 wrote to memory of 1148	1492	JaffaCakes118_9a6930d94dc7f7a4309ecfb3340842f4.exe	29
PID 1492 wrote to memory of 1148	1492	JaffaCakes118_9a6930d94dc7f7a4309ecfb3340842f4.exe	29
PID 1492 wrote to memory of 1148	1492	JaffaCakes118_9a6930d94dc7f7a4309ecfb3340842f4.exe	29
PID 1492 wrote to memory of 1068	1492	JaffaCakes118_9a6930d94dc7f7a4309ecfb3340842f4.exe	31
PID 1492 wrote to memory of 1068	1492	JaffaCakes118_9a6930d94dc7f7a4309ecfb3340842f4.exe	31
PID 1492 wrote to memory of 1068	1492	JaffaCakes118_9a6930d94dc7f7a4309ecfb3340842f4.exe	31
PID 1492 wrote to memory of 1068	1492	JaffaCakes118_9a6930d94dc7f7a4309ecfb3340842f4.exe	31

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9a6930d94dc7f7a4309ecfb3340842f4.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9a6930d94dc7f7a4309ecfb3340842f4.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1492
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9a6930d94dc7f7a4309ecfb3340842f4.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9a6930d94dc7f7a4309ecfb3340842f4.exe startC:\Program Files (x86)\LP\B9C0\D95.exe%C:\Program Files (x86)\LP\B9C0
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1148
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9a6930d94dc7f7a4309ecfb3340842f4.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9a6930d94dc7f7a4309ecfb3340842f4.exe startC:\Users\Admin\AppData\Roaming\06FDB\4A0B9.exe%C:\Users\Admin\AppData\Roaming\06FDB
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1068

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\06FDB\BB36.6FD

Filesize
996B

MD5
52c881050215d5b44628c6833df0261a

SHA1
ab0b600031872d66f8c7399667da2af0909db198

SHA256
c149fed1a93b19dd2455c7ac0eef2ad2d17f3bcbdb5900e8c3913697a77864cd

SHA512
00e2ceb5fba1b5fa25364c34acc644453a1239c97a33c0fcbc552c83380faa7c7766a1c43d712572a8df9f78cb89b64e7be010888d4d385d8ed9af81388be065

Download Submit
C:\Users\Admin\AppData\Roaming\06FDB\BB36.6FD

Filesize
600B

MD5
b686de16fd758c307a4232d24a5b8d51

SHA1
65b6b664d11590c6b69d797af0f36cf6ebe19abf

SHA256
f96435a2eda7d0b690aacf2bb10dd794c2d936a6237be416dfed84abcf18dd60

SHA512
b54ea276851047c872a84ec9fe3a31c62008c41820fb69dba52ec34a9106d493ba8f989e3ff03059e616fc8f396cd14604a1c72a7957c235d0d3040ac1d2e14b

Download Submit
C:\Users\Admin\AppData\Roaming\06FDB\BB36.6FD

Filesize
1KB

MD5
95b6b7c3b786ebb94536d614c7cbc419

SHA1
1162fc520854f353b7781a1befad4013c29364cf

SHA256
4a86e0c6779fd1bded22f58cde20c4697c8a4eef9ed09b9dc159c3fd0ca5cf20

SHA512
81e6b759a7e6f74efb9d0bdc3625d9895b46e4f66b46c9aff008cde99f7b4031805361265017b4f13d0b2603e833c37ffe1cbd0fbd3f7e27ab7bca594b13d48a

Download Submit
memory/1068-104-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1068-105-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1148-15-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1148-14-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1492-17-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1492-16-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1492-0-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1492-3-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1492-2-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1492-288-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

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