cycbot | 71848f5f2177fbf6f955480fdea2c4dd52efde7394fc6529dffae382947afc8d

General

Target

JaffaCakes118_b4d49571aaf0e4c2a01e10a3f0e148eb.exe
Size

202KB
MD5

b4d49571aaf0e4c2a01e10a3f0e148eb
SHA1

bb90ba4f2c2a6caefce1bb8c3e51e1cbb11bf57f
SHA256

71848f5f2177fbf6f955480fdea2c4dd52efde7394fc6529dffae382947afc8d
SHA512

9a1a7924cba957bc6a0004baf2b071edb96d34aaf67c4e78aa8e7da3c0d506a9f793d34d35e6233a44f99d3342dd9be33181326a0e959d4b2f4ce04448c4927f
SSDEEP

6144:9bGl7ypIzJ/y44qPHbTjkPRK4xtpJ1cak:dG8yz9y44qP4PRK4xtpJ1c3

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/2368-15-0x0000000000400000-0x000000000044C000-memory.dmp	family_cycbot
behavioral1/memory/844-16-0x0000000000400000-0x000000000044C000-memory.dmp	family_cycbot
behavioral1/memory/2144-86-0x0000000000400000-0x000000000044C000-memory.dmp	family_cycbot
behavioral1/memory/844-199-0x0000000000400000-0x000000000044C000-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/844-2-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2368-13-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2368-15-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/844-16-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2144-86-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/2144-85-0x0000000000400000-0x000000000044C000-memory.dmp	upx
behavioral1/memory/844-199-0x0000000000400000-0x000000000044C000-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_b4d49571aaf0e4c2a01e10a3f0e148eb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_b4d49571aaf0e4c2a01e10a3f0e148eb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_b4d49571aaf0e4c2a01e10a3f0e148eb.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 844 wrote to memory of 2368	844	JaffaCakes118_b4d49571aaf0e4c2a01e10a3f0e148eb.exe	29
PID 844 wrote to memory of 2368	844	JaffaCakes118_b4d49571aaf0e4c2a01e10a3f0e148eb.exe	29
PID 844 wrote to memory of 2368	844	JaffaCakes118_b4d49571aaf0e4c2a01e10a3f0e148eb.exe	29
PID 844 wrote to memory of 2368	844	JaffaCakes118_b4d49571aaf0e4c2a01e10a3f0e148eb.exe	29
PID 844 wrote to memory of 2144	844	JaffaCakes118_b4d49571aaf0e4c2a01e10a3f0e148eb.exe	31
PID 844 wrote to memory of 2144	844	JaffaCakes118_b4d49571aaf0e4c2a01e10a3f0e148eb.exe	31
PID 844 wrote to memory of 2144	844	JaffaCakes118_b4d49571aaf0e4c2a01e10a3f0e148eb.exe	31
PID 844 wrote to memory of 2144	844	JaffaCakes118_b4d49571aaf0e4c2a01e10a3f0e148eb.exe	31

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b4d49571aaf0e4c2a01e10a3f0e148eb.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b4d49571aaf0e4c2a01e10a3f0e148eb.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:844
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b4d49571aaf0e4c2a01e10a3f0e148eb.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b4d49571aaf0e4c2a01e10a3f0e148eb.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2368
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b4d49571aaf0e4c2a01e10a3f0e148eb.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b4d49571aaf0e4c2a01e10a3f0e148eb.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2144

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\1DB0.1F8

Filesize
1KB

MD5
cccb220a2090084bf47bc91f0c0ea574

SHA1
74fd88d32d0027b575f6980f65a397819f367dcd

SHA256
3b6f071956b56eba3f20b50dd27e0c3cff05316a760f8748ed2a3b55e19da36b

SHA512
af01a5df6bf6d98ffaa020a05d024da065b892d812789286e9488bca2830bb059dbf12d17359d5a5d615813af072eee705cd98e6ac5698a3d23e689a064f6c06

Download Submit
C:\Users\Admin\AppData\Roaming\1DB0.1F8

Filesize
600B

MD5
4ec4da1ef5c80e516fdb50d4f693e4e0

SHA1
f9b5a56e656cfbdf36256298c2d7fb8642394bd7

SHA256
c59310dd932285a0f0b24d90cf2c91d607745cbc1fb7613963e1479e03d0e2c4

SHA512
61eabb0f1bf8737ddcd1d69c5a62c8379f2754b44ce8803a0090be4b476b9f72600b97c9fadb295393ab15cf752add2a349b0acd736fb93b5c4e20e79fe65166

Download Submit
C:\Users\Admin\AppData\Roaming\1DB0.1F8

Filesize
996B

MD5
e483eefddfc8f1a7ec288fc0bea1845e

SHA1
8e7e1e1bc185fe05733d558291a95a951a133e03

SHA256
1127be27acd1d73e3a346ff48806caaa255c4032f85d0c888442d076055f7461

SHA512
f8a47667f37462fee802a79559612be397cdbdbc2709a83d48e0d424caeb4b63b578b587c1a854151f8ed44401f4c9a3a5dc4a85edef70b56a93eab59882e9c8

Download Submit
memory/844-1-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/844-2-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/844-16-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/844-199-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2144-86-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2144-85-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2368-12-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2368-13-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2368-15-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download

Analysis

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