cycbot | 78726bfb351e4abdf70f394a9762947ee88259b70b484992ddfc7cf7ebff3bce

General

Target

JaffaCakes118_75e206cec8611fd0d9bdb83cbf2bfe3b.exe
Size

180KB
MD5

75e206cec8611fd0d9bdb83cbf2bfe3b
SHA1

721952b7103c7d3f313a62614baa243f973548b0
SHA256

78726bfb351e4abdf70f394a9762947ee88259b70b484992ddfc7cf7ebff3bce
SHA512

34eee194e2c7e438e3170ba8517d8bea4c2ab23a5a6c17b64be695f41a42de761c7da2013adccbbd7ad3aec2018d68736d69fea9aed56d48c6335f49381f3bc1
SSDEEP

3072:TFO5ZdBY21g0/KslU8d3elH3FXXlYOd/SiRHwY8Ta50YihQWggcGF:TFcZs90CYUMclYCBRHwY8+GfSi

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/2184-14-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2100-15-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2100-16-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral1/memory/2008-144-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2100-327-0x0000000000400000-0x0000000000455000-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 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2100-3-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2184-14-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2100-15-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2100-16-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/2008-142-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2008-144-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2100-327-0x0000000000400000-0x0000000000455000-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_75e206cec8611fd0d9bdb83cbf2bfe3b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_75e206cec8611fd0d9bdb83cbf2bfe3b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_75e206cec8611fd0d9bdb83cbf2bfe3b.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2100 wrote to memory of 2184	2100	JaffaCakes118_75e206cec8611fd0d9bdb83cbf2bfe3b.exe	30
PID 2100 wrote to memory of 2184	2100	JaffaCakes118_75e206cec8611fd0d9bdb83cbf2bfe3b.exe	30
PID 2100 wrote to memory of 2184	2100	JaffaCakes118_75e206cec8611fd0d9bdb83cbf2bfe3b.exe	30
PID 2100 wrote to memory of 2184	2100	JaffaCakes118_75e206cec8611fd0d9bdb83cbf2bfe3b.exe	30
PID 2100 wrote to memory of 2008	2100	JaffaCakes118_75e206cec8611fd0d9bdb83cbf2bfe3b.exe	33
PID 2100 wrote to memory of 2008	2100	JaffaCakes118_75e206cec8611fd0d9bdb83cbf2bfe3b.exe	33
PID 2100 wrote to memory of 2008	2100	JaffaCakes118_75e206cec8611fd0d9bdb83cbf2bfe3b.exe	33
PID 2100 wrote to memory of 2008	2100	JaffaCakes118_75e206cec8611fd0d9bdb83cbf2bfe3b.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_75e206cec8611fd0d9bdb83cbf2bfe3b.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_75e206cec8611fd0d9bdb83cbf2bfe3b.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2100
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_75e206cec8611fd0d9bdb83cbf2bfe3b.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_75e206cec8611fd0d9bdb83cbf2bfe3b.exe startC:\Program Files (x86)\LP\1B0C\A44.exe%C:\Program Files (x86)\LP\1B0C
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2184
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_75e206cec8611fd0d9bdb83cbf2bfe3b.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_75e206cec8611fd0d9bdb83cbf2bfe3b.exe startC:\Users\Admin\AppData\Roaming\C7826\2E71B.exe%C:\Users\Admin\AppData\Roaming\C7826
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2008

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\C7826\6933.782

Filesize
996B

MD5
9b1d63c6c4b00b71a92ce541feaa8662

SHA1
bf2ee02854c7b94cc66eb91d322e7af15bb05dda

SHA256
afe5520ed2941337f604fc5faa2c08c234e9a6ce0e9edaf3eee24a9227c8f46b

SHA512
c41e566710ea2ff871602fa39d27103f41a1ad96441934f65bb6759d9cf26fbee034be65e23503399c2d6cf37e8b806574847240d6e61f255c50a06593c36b51

Download Submit
C:\Users\Admin\AppData\Roaming\C7826\6933.782

Filesize
600B

MD5
8bd48e87ee2f58a008bb1fc43a6a4346

SHA1
a58ca78a1de2ed78177403ba35d33bf69bf28438

SHA256
542bba2a9b4e1dce2f9e6d32f281a5cab805313ba6884e787a530d12b64d397c

SHA512
96f2091d8cb269c72763880c03bfd895000027c882755a93a5be0521676cceeec1d9c7168036d30b3efc8ba753b687d6096bcc09364f6b53462cff1abbdcd8e4

Download Submit
C:\Users\Admin\AppData\Roaming\C7826\6933.782

Filesize
1KB

MD5
3365f328abf990a7bd75f80d53055411

SHA1
1374431daac0ac6d52aff4861681f6f6cb162aff

SHA256
21401dfd9c4d7c33b28cc1217418dd5214762cacf428a839fef8ea98d1f636d1

SHA512
f891d4ef25d407f4e038b8828b861c0d85ad910f58afe616cf05f3c0065c8d72cc8fea83f324ed170d58b8b0f3f947531c0898733fc4e1f635d5ea1320bcd81e

Download Submit
memory/2008-144-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2008-142-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2100-16-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2100-0-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2100-15-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2100-3-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2100-2-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2100-327-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2184-14-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2184-13-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

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