cycbot | 135430451d001b1195747850f76236816f797bcc8598233bb92b906fa0f0b5ed

General

Target

JaffaCakes118_5f0ab4b2a3fc0d968cf52a292a7d8e3f.exe
Size

156KB
MD5

5f0ab4b2a3fc0d968cf52a292a7d8e3f
SHA1

f1d0739c464ca6528edc27edbd90ee4e9e1bc051
SHA256

135430451d001b1195747850f76236816f797bcc8598233bb92b906fa0f0b5ed
SHA512

21b809b77a978a67e3fbab72d50bab8c0b8a79f0a6038b9c437f05264eac724985142db1fa653809513f484efb325ff7f6cbc07c5acecf524a7e0038374d0b15
SSDEEP

3072:rMmdw4sokL9PRhCQPrgcrng9LtaYXM8j1+N0cswOoURWgi+GuiXg:rMmdwD9PRhC0/g953Mi1+N0cTLscpuiX

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 7 IoCs

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

resource	yara_rule
behavioral1/memory/2800-8-0x0000000000400000-0x0000000000442000-memory.dmp	family_cycbot
behavioral1/memory/2892-19-0x0000000000400000-0x0000000000442000-memory.dmp	family_cycbot
behavioral1/memory/2164-87-0x0000000000400000-0x0000000000442000-memory.dmp	family_cycbot
behavioral1/memory/2164-86-0x0000000000400000-0x0000000000442000-memory.dmp	family_cycbot
behavioral1/memory/2892-88-0x0000000000400000-0x0000000000442000-memory.dmp	family_cycbot
behavioral1/memory/2164-164-0x0000000000400000-0x0000000000442000-memory.dmp	family_cycbot
behavioral1/memory/2892-204-0x0000000000400000-0x0000000000442000-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"	JaffaCakes118_5f0ab4b2a3fc0d968cf52a292a7d8e3f.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2892-2-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/2800-8-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/2892-19-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/2164-87-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/2164-86-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/2892-88-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/2164-164-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/2892-204-0x0000000000400000-0x0000000000442000-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_5f0ab4b2a3fc0d968cf52a292a7d8e3f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_5f0ab4b2a3fc0d968cf52a292a7d8e3f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_5f0ab4b2a3fc0d968cf52a292a7d8e3f.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2892 wrote to memory of 2800	2892	JaffaCakes118_5f0ab4b2a3fc0d968cf52a292a7d8e3f.exe	30
PID 2892 wrote to memory of 2800	2892	JaffaCakes118_5f0ab4b2a3fc0d968cf52a292a7d8e3f.exe	30
PID 2892 wrote to memory of 2800	2892	JaffaCakes118_5f0ab4b2a3fc0d968cf52a292a7d8e3f.exe	30
PID 2892 wrote to memory of 2800	2892	JaffaCakes118_5f0ab4b2a3fc0d968cf52a292a7d8e3f.exe	30
PID 2892 wrote to memory of 2164	2892	JaffaCakes118_5f0ab4b2a3fc0d968cf52a292a7d8e3f.exe	32
PID 2892 wrote to memory of 2164	2892	JaffaCakes118_5f0ab4b2a3fc0d968cf52a292a7d8e3f.exe	32
PID 2892 wrote to memory of 2164	2892	JaffaCakes118_5f0ab4b2a3fc0d968cf52a292a7d8e3f.exe	32
PID 2892 wrote to memory of 2164	2892	JaffaCakes118_5f0ab4b2a3fc0d968cf52a292a7d8e3f.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5f0ab4b2a3fc0d968cf52a292a7d8e3f.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5f0ab4b2a3fc0d968cf52a292a7d8e3f.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2892
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5f0ab4b2a3fc0d968cf52a292a7d8e3f.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5f0ab4b2a3fc0d968cf52a292a7d8e3f.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2800
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5f0ab4b2a3fc0d968cf52a292a7d8e3f.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5f0ab4b2a3fc0d968cf52a292a7d8e3f.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2164

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\7B05.08E

Filesize
597B

MD5
85b77296abbcc382e97de785b75bbdfd

SHA1
3a952857e48cf3956b9fe036e794aaae82ab7291

SHA256
438e300508e0e479e918acd27f43337355c93f6b21ec690d47d48e3224c52cec

SHA512
d7a2a95c1214b1628b6894a11aed5c36bd89783ffbce975f991bcb3874d19247f73e9739f65de2acfee16a52f80ab4c5e3b129fa8de242804b932adb44ded4c9

Download Submit
C:\Users\Admin\AppData\Roaming\7B05.08E

Filesize
1KB

MD5
f8b2f940ecc6e178ed11c4349edadaa9

SHA1
55f327ac4c415f2f81f56c419d37a95ac0b2322b

SHA256
88b3fa1f5bb44962412dafa6c9ea7586bd11cbffd690ff8d43c1a4c509c65d73

SHA512
cabb29d21d784d3c3068f89058a5234c6ef69d9c32201696642908b254d62fee6bd2b7eedeb53d3720da13d89f238ebb7fe985b4d43a5f0f6b89a9c4938fb3f8

Download Submit
C:\Users\Admin\AppData\Roaming\7B05.08E

Filesize
897B

MD5
2d83141b055202ff3f234315f203958c

SHA1
3bad59cd090e1da904f6a261421f7587fe80f540

SHA256
06089996a4b02db03bb5986e46dca5b0884c242925a233a0bf27fe59dbbf02a9

SHA512
c14653e663b7933373df07c3df4a6557843f4a7540b856317c0d4f146654806c606b7343ff06cf650b2a749716a73fc8c5a8c460b24fdff41651ed8e087cf5fb

Download Submit
C:\Users\Admin\AppData\Roaming\7B05.08E

Filesize
1KB

MD5
ba1b94e9284553d8a6e5343b13508e28

SHA1
32b604fe90fdb69dcb42d2775219ccacfaf475f7

SHA256
2dc1bbe196dbc684b58905b5787594a2ef22bb0b5576359931aea2edc4a6e687

SHA512
b43a996ea0203d58ac143f92191c1225b3caabd5cc6ef3db4a4271e227b8739e49ce5b73cc599ed4c284f9c9a3dd13e452d29baef89ad86a20603390ff162eab

Download Submit
memory/2164-87-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2164-86-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2164-84-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2164-164-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2800-8-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2892-19-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2892-1-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2892-88-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2892-2-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2892-204-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads