cycbot | 618bbba57f1cc3ec7bbc4dffa1ed9a626141443ed7933c284f90019b70c8ea92

General

Target

JaffaCakes118_4712593ccdbeac886024d6aaa5172b21.exe
Size

174KB
MD5

4712593ccdbeac886024d6aaa5172b21
SHA1

4b354b96e624f8ba14876cd358c4d5202ecd289b
SHA256

618bbba57f1cc3ec7bbc4dffa1ed9a626141443ed7933c284f90019b70c8ea92
SHA512

9b3797700fbc7d1dcf38484f63cd16933df231e1fb6dc91f795532afc5168c240b65e32b5ee42929f1f1c895b67758979f1207681c2df7c6f64051ee291a89e6
SSDEEP

3072:LO0iK2/TuDH6w/KycOtx0OaUI07WJ30gI7E0sy1wiZwhAlvJul:LO0iKguMx/ODI0aWgn5iZwWsl

Score

10^/10

cycbot backdoor discovery rat 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
behavioral2/memory/3272-14-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/1984-15-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/1984-16-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral2/memory/2324-135-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/1984-302-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1984-3-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/3272-13-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/3272-14-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/1984-15-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/1984-16-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/2324-134-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/2324-135-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/1984-302-0x0000000000400000-0x0000000000455000-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_4712593ccdbeac886024d6aaa5172b21.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1984 wrote to memory of 3272	1984	JaffaCakes118_4712593ccdbeac886024d6aaa5172b21.exe	85
PID 1984 wrote to memory of 3272	1984	JaffaCakes118_4712593ccdbeac886024d6aaa5172b21.exe	85
PID 1984 wrote to memory of 3272	1984	JaffaCakes118_4712593ccdbeac886024d6aaa5172b21.exe	85
PID 1984 wrote to memory of 2324	1984	JaffaCakes118_4712593ccdbeac886024d6aaa5172b21.exe	86
PID 1984 wrote to memory of 2324	1984	JaffaCakes118_4712593ccdbeac886024d6aaa5172b21.exe	86
PID 1984 wrote to memory of 2324	1984	JaffaCakes118_4712593ccdbeac886024d6aaa5172b21.exe	86

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4712593ccdbeac886024d6aaa5172b21.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4712593ccdbeac886024d6aaa5172b21.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1984
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4712593ccdbeac886024d6aaa5172b21.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4712593ccdbeac886024d6aaa5172b21.exe startC:\Program Files (x86)\LP\4B04\561.exe%C:\Program Files (x86)\LP\4B04
  2⤵
  PID:3272
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4712593ccdbeac886024d6aaa5172b21.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4712593ccdbeac886024d6aaa5172b21.exe startC:\Users\Admin\AppData\Roaming\49A26\5794B.exe%C:\Users\Admin\AppData\Roaming\49A26
  2⤵
  PID:2324

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\49A26\6D71.9A2

Filesize
596B

MD5
48fd04b5c640c33e655f5cbd2d89e79b

SHA1
2e8fbd83612412f7a86f09d44bf5a004496861f8

SHA256
7dcd595250cd7307d8bbc9a2f3a2c4807935225b6ece474f97c78b1e105d584c

SHA512
99ced056f1a6a9f4ea7b6ecec739972951832ec1aaacb6d044947768e6b42860c62c7d894c7b8d1350172f19cd566232958d4fba494eba13a5de63efc9b70928

Download Submit
C:\Users\Admin\AppData\Roaming\49A26\6D71.9A2

Filesize
996B

MD5
fe63b072b92338c9a0af923ac29df860

SHA1
e40d5107e442fab6bea9cadd89f9acbc886d616e

SHA256
45991fb0d41047dd93e3064816abfb02ac8b9d0443fbe61f758179332da12de1

SHA512
b4839be220bdb54b23ae1923602d3ab9b66468aaf1d1dc63dcb9cc6b8cfa959d7ee81a10fb2bae9c18d65fa12654e84a680c72d4ea11b87fd7e724bf15a05d4d

Download Submit
C:\Users\Admin\AppData\Roaming\49A26\6D71.9A2

Filesize
600B

MD5
e180d51e3606a6de6e5a18df97bea6ae

SHA1
e505ac4e3270fba105461781134d339e96ea58df

SHA256
89775b0115cc38696b421a4381698066f1b1e7ebee1e6f55b87c09b84bd452ac

SHA512
ee04c0b72c274585b8b0b6c2557a6dc371507af6c4e308911e0135f253eb305238f98730ed3e8785a6833fb2ec745db4eb478a531cc62350f09ea099842a1a50

Download Submit
C:\Users\Admin\AppData\Roaming\49A26\6D71.9A2

Filesize
1KB

MD5
650ffb476b7f3fa1474eb2630c450d23

SHA1
f8d724ca0f79732a34e58df34fd4c90b6e4bcccd

SHA256
d799250670f81b9612df5f395bead0ac379499819d9c79f696134b71372012cd

SHA512
53598ae39e3b3dc43d31cda13d4f1724b676e753f640f9a698e50c3b34b343175436ff497b29080906e9e8f795e32f2f192f6e1d431ba744cb41292738cfd30a

Download Submit
memory/1984-15-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1984-0-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1984-16-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1984-2-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1984-3-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1984-302-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2324-134-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2324-135-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3272-14-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3272-13-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

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