cycbot | 15a04280442257b5f642d0a725647556e2445f021e2c247d9450205d979b203a

General

Target

JaffaCakes118_a3a5b5e22be71911aefdd1970fc0ca95.exe
Size

179KB
MD5

a3a5b5e22be71911aefdd1970fc0ca95
SHA1

a95e14ffe39862f55f94fce22ec9ba947be0d918
SHA256

15a04280442257b5f642d0a725647556e2445f021e2c247d9450205d979b203a
SHA512

5baa0d90324f3386f98cc884f295854fc04d0e1a739855e6e47626e11aaedca0584c36e68dc7ab6f9b8a368111293a461c80199b4140661124219a70a3b49187
SSDEEP

3072:wFJEaw3SmCBHCLwawe4UMhqmpaEy/2I+EM0nKEpccKSFVQHeh4RU9:wFJElC3HMuEb/r3M0n7uyFSYR

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 5 IoCs

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

resource	yara_rule
behavioral1/memory/2368-24-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral1/memory/800-25-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral1/memory/800-26-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral1/memory/2944-144-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral1/memory/800-299-0x0000000000400000-0x0000000000454000-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/800-2-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2368-23-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2368-24-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/800-25-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/800-26-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/2944-144-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/800-299-0x0000000000400000-0x0000000000454000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 1 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_a3a5b5e22be71911aefdd1970fc0ca95.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 800 wrote to memory of 2368	800	JaffaCakes118_a3a5b5e22be71911aefdd1970fc0ca95.exe	30
PID 800 wrote to memory of 2368	800	JaffaCakes118_a3a5b5e22be71911aefdd1970fc0ca95.exe	30
PID 800 wrote to memory of 2368	800	JaffaCakes118_a3a5b5e22be71911aefdd1970fc0ca95.exe	30
PID 800 wrote to memory of 2368	800	JaffaCakes118_a3a5b5e22be71911aefdd1970fc0ca95.exe	30
PID 800 wrote to memory of 2944	800	JaffaCakes118_a3a5b5e22be71911aefdd1970fc0ca95.exe	33
PID 800 wrote to memory of 2944	800	JaffaCakes118_a3a5b5e22be71911aefdd1970fc0ca95.exe	33
PID 800 wrote to memory of 2944	800	JaffaCakes118_a3a5b5e22be71911aefdd1970fc0ca95.exe	33
PID 800 wrote to memory of 2944	800	JaffaCakes118_a3a5b5e22be71911aefdd1970fc0ca95.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a3a5b5e22be71911aefdd1970fc0ca95.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a3a5b5e22be71911aefdd1970fc0ca95.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:800
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a3a5b5e22be71911aefdd1970fc0ca95.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a3a5b5e22be71911aefdd1970fc0ca95.exe startC:\Program Files (x86)\LP\88C2\0AE.exe%C:\Program Files (x86)\LP\88C2
  2⤵
  PID:2368
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a3a5b5e22be71911aefdd1970fc0ca95.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a3a5b5e22be71911aefdd1970fc0ca95.exe startC:\Users\Admin\AppData\Roaming\20274\81C88.exe%C:\Users\Admin\AppData\Roaming\20274
  2⤵
  PID:2944

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\20274\4BE2.027

Filesize
996B

MD5
a8c313b7181e17ad4dc6b2e62aa903f9

SHA1
64713a6a768c1347489fd951d9b1e209e29235ff

SHA256
562290921a617fbe7567acceb508526ec7a3a2f56a4c09fff4b33059acc13c9f

SHA512
03ac4e4afef3655506ecc44e7bdae0dba1edfb4dc85b1ed3d1fe99781e41ac4599832eef23fcd8eaac86b8558f865f390a45a3015ccdd1dec31f6768d1ca8c60

Download Submit
C:\Users\Admin\AppData\Roaming\20274\4BE2.027

Filesize
600B

MD5
cbd6a89d5388a40c8b0cccd12a90cc03

SHA1
d2f778eefec49488c5398ac96e12bee01ea149dc

SHA256
beb11b706263858e1887d7003aece76695d82997a90d392c0c0ced33950a17c3

SHA512
79f4617a2fae3fb02d314dc0a07f10fd1fa3e479ba2fcb69ee74d7a97452d8c5a31545b3295b0c624c14998aa3f91c7907db15e966e8b78e2d06f75d19864906

Download Submit
C:\Users\Admin\AppData\Roaming\20274\4BE2.027

Filesize
1KB

MD5
dafe2f3ac98dbcc2d2b94d62f894143e

SHA1
b68b96c3085b579cefa9cc2c38a24a12e0fde579

SHA256
f480f651124c738ac3bb431758b9da8ed550b182b9924c1d50714457cd9a6b33

SHA512
1c6029bbfb5de5ce0f8906ea35a6a528908c522da99d6ed6b6b98c7b88c782529faff75401d112bf67219d5c5e63d828d5193676178ac2f046538e1af0a4c014

Download Submit
memory/800-1-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/800-2-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/800-25-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/800-26-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/800-299-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2368-23-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2368-22-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2368-24-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2944-144-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download

Analysis

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