cycbot | 30b2f7b57388ffbe29f99042d4d34812e6e8b2e68df5667709c24a589334cade

General

Target

30b2f7b57388ffbe29f99042d4d34812e6e8b2e68df5667709c24a589334cade.exe
Size

167KB
MD5

9e54d1068d912e2ad14d14ca6844114a
SHA1

dab658a004f10cc5af9e1db907c0f24d20a4b45e
SHA256

30b2f7b57388ffbe29f99042d4d34812e6e8b2e68df5667709c24a589334cade
SHA512

35b76faa74db79b700930899bb94d89ca438c58027b406aa4cb74ac537917e113b45d6271abee760230ca103b429bc30952c2422317651660f8b0ba03a1003aa
SSDEEP

3072:1/JT+YPf75ysw4dB6eWth+WU8wTtNUFLwvPITiyTRbd0v0m7:pJy+24dc7h+p8wwFZiSRbd67

Score

10^/10

cycbot backdoor discovery persistence 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/2712-14-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/2148-15-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/944-88-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/2148-89-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/2148-159-0x0000000000400000-0x0000000000445000-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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\conhost = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\conhost.exe"	30b2f7b57388ffbe29f99042d4d34812e6e8b2e68df5667709c24a589334cade.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2148-2-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2712-12-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2712-14-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2148-15-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/944-86-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/944-88-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2148-89-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2148-159-0x0000000000400000-0x0000000000445000-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	30b2f7b57388ffbe29f99042d4d34812e6e8b2e68df5667709c24a589334cade.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	30b2f7b57388ffbe29f99042d4d34812e6e8b2e68df5667709c24a589334cade.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	30b2f7b57388ffbe29f99042d4d34812e6e8b2e68df5667709c24a589334cade.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2148 wrote to memory of 2712	2148	30b2f7b57388ffbe29f99042d4d34812e6e8b2e68df5667709c24a589334cade.exe	31
PID 2148 wrote to memory of 2712	2148	30b2f7b57388ffbe29f99042d4d34812e6e8b2e68df5667709c24a589334cade.exe	31
PID 2148 wrote to memory of 2712	2148	30b2f7b57388ffbe29f99042d4d34812e6e8b2e68df5667709c24a589334cade.exe	31
PID 2148 wrote to memory of 2712	2148	30b2f7b57388ffbe29f99042d4d34812e6e8b2e68df5667709c24a589334cade.exe	31
PID 2148 wrote to memory of 944	2148	30b2f7b57388ffbe29f99042d4d34812e6e8b2e68df5667709c24a589334cade.exe	33
PID 2148 wrote to memory of 944	2148	30b2f7b57388ffbe29f99042d4d34812e6e8b2e68df5667709c24a589334cade.exe	33
PID 2148 wrote to memory of 944	2148	30b2f7b57388ffbe29f99042d4d34812e6e8b2e68df5667709c24a589334cade.exe	33
PID 2148 wrote to memory of 944	2148	30b2f7b57388ffbe29f99042d4d34812e6e8b2e68df5667709c24a589334cade.exe	33

C:\Users\Admin\AppData\Local\Temp\30b2f7b57388ffbe29f99042d4d34812e6e8b2e68df5667709c24a589334cade.exe
"C:\Users\Admin\AppData\Local\Temp\30b2f7b57388ffbe29f99042d4d34812e6e8b2e68df5667709c24a589334cade.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2148
- C:\Users\Admin\AppData\Local\Temp\30b2f7b57388ffbe29f99042d4d34812e6e8b2e68df5667709c24a589334cade.exe
  C:\Users\Admin\AppData\Local\Temp\30b2f7b57388ffbe29f99042d4d34812e6e8b2e68df5667709c24a589334cade.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2712
- C:\Users\Admin\AppData\Local\Temp\30b2f7b57388ffbe29f99042d4d34812e6e8b2e68df5667709c24a589334cade.exe
  C:\Users\Admin\AppData\Local\Temp\30b2f7b57388ffbe29f99042d4d34812e6e8b2e68df5667709c24a589334cade.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  - System Location Discovery: System Language Discovery
  PID:944

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

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

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Downloads

C:\Users\Admin\AppData\Roaming\2BC2.3B4

Filesize
1KB

MD5
5f6560dd4b86d12c590769856474af9b

SHA1
674031949cfffeeb8dd9fac123f540228f1eb4cb

SHA256
1eabe12280af5297589ab2f684a36f882f364ce99a8f67f4a9d7ebe61b4e3fe3

SHA512
5ab58511934889266c42a38b20e5451a8287108bc0bed5d652f7743fbc296dbc4d47604664da2fa5cee7f046f95f8330f762c987f5c4b40a4c1a3457338d2579

Download Submit
C:\Users\Admin\AppData\Roaming\2BC2.3B4

Filesize
600B

MD5
35389420fec7d8d066a1c88ac268373d

SHA1
08a566516e1cae9d655d2682a2a52111aa7ee32c

SHA256
47efe75d6f6271b3d732282f1b0e96891a5c56b0728f078f0238be93743e9ae5

SHA512
11fbd4d196a68fb2e80a51094f7cd4925f02af43ec63f2d65b4fcd7a824d2031aab84ef30a04a5d6d351dc5321038d3a5c4c152dc03c4f4be5f297ace3609019

Download Submit
C:\Users\Admin\AppData\Roaming\2BC2.3B4

Filesize
996B

MD5
2d6b9e23a4faaad5e751498875680264

SHA1
37d4dbcba1ca4a22aca9e9221a7558ed32be438c

SHA256
ff44501a56b5854e03a19371ad9616c654a2a8875db8eec93893e02d8c53cc5f

SHA512
fd08d870cef9dd34497c6eeee5f3d6840094d25901506741f5efb40b23597328d548b5d41757a5307bbfea146cb16c2e795e7163ec3669d4aa1decc90b78a2e1

Download Submit
memory/944-86-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/944-88-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2148-1-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2148-2-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2148-15-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2148-89-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2148-159-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2712-12-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2712-14-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads