cycbot | 0c75a65381bcc68e866f24beccbafdfe8ea065b85e1d7bbdaae14d2fe3d2a97a

General

Target

JaffaCakes118_06d9d5a6702c87d9df2ba0fc41461808.exe
Size

171KB
MD5

06d9d5a6702c87d9df2ba0fc41461808
SHA1

66ebacf1bcbb4fe412d945798f3577f40d8cdc6e
SHA256

0c75a65381bcc68e866f24beccbafdfe8ea065b85e1d7bbdaae14d2fe3d2a97a
SHA512

bd1dcb350a30b0b7f434be989e47c0bad3719e9a540dc05b8927ee914f1d2635141f82a4e49822e3d50eb4e8822b490d160e1e2e9191fdf19b21e1d87b078f2a
SSDEEP

3072:6qzs5E4kuV5ppJrVEuPy5jmvP/XKPBlTxqnMmH7NTaAiQ+v1ddxY4UFtsn2tMLlv:1g5E4ku51JakvnEBlGhbLiQY1ddxVUF0

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 6 IoCs

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

resource	yara_rule
behavioral1/memory/2088-5-0x0000000000400000-0x000000000043E000-memory.dmp	family_cycbot
behavioral1/memory/2384-12-0x0000000000400000-0x000000000043E000-memory.dmp	family_cycbot
behavioral1/memory/2164-78-0x0000000000400000-0x000000000043E000-memory.dmp	family_cycbot
behavioral1/memory/2384-79-0x0000000000400000-0x000000000043E000-memory.dmp	family_cycbot
behavioral1/memory/2384-152-0x0000000000400000-0x000000000043E000-memory.dmp	family_cycbot
behavioral1/memory/2384-181-0x0000000000400000-0x000000000043E000-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_06d9d5a6702c87d9df2ba0fc41461808.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2384-2-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral1/memory/2088-5-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral1/memory/2384-12-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral1/memory/2164-76-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral1/memory/2164-78-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral1/memory/2384-79-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral1/memory/2384-152-0x0000000000400000-0x000000000043E000-memory.dmp	upx
behavioral1/memory/2384-181-0x0000000000400000-0x000000000043E000-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_06d9d5a6702c87d9df2ba0fc41461808.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_06d9d5a6702c87d9df2ba0fc41461808.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_06d9d5a6702c87d9df2ba0fc41461808.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2384 wrote to memory of 2088	2384	JaffaCakes118_06d9d5a6702c87d9df2ba0fc41461808.exe	30
PID 2384 wrote to memory of 2088	2384	JaffaCakes118_06d9d5a6702c87d9df2ba0fc41461808.exe	30
PID 2384 wrote to memory of 2088	2384	JaffaCakes118_06d9d5a6702c87d9df2ba0fc41461808.exe	30
PID 2384 wrote to memory of 2088	2384	JaffaCakes118_06d9d5a6702c87d9df2ba0fc41461808.exe	30
PID 2384 wrote to memory of 2164	2384	JaffaCakes118_06d9d5a6702c87d9df2ba0fc41461808.exe	33
PID 2384 wrote to memory of 2164	2384	JaffaCakes118_06d9d5a6702c87d9df2ba0fc41461808.exe	33
PID 2384 wrote to memory of 2164	2384	JaffaCakes118_06d9d5a6702c87d9df2ba0fc41461808.exe	33
PID 2384 wrote to memory of 2164	2384	JaffaCakes118_06d9d5a6702c87d9df2ba0fc41461808.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_06d9d5a6702c87d9df2ba0fc41461808.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_06d9d5a6702c87d9df2ba0fc41461808.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2384
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_06d9d5a6702c87d9df2ba0fc41461808.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_06d9d5a6702c87d9df2ba0fc41461808.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2088
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_06d9d5a6702c87d9df2ba0fc41461808.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_06d9d5a6702c87d9df2ba0fc41461808.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\03B4.95A

Filesize
1KB

MD5
7640262d38d6d51574afb034905a086a

SHA1
1e065526d31059d7fef36d64abef022316e2c2eb

SHA256
5b21c1f236787f28cd300cbda581861bfde4f8160b6fc85dc38b7a92dde51d24

SHA512
080ba146ff2cc35e946d5a7cdb6abadbdb6d1e40d8f73cd38b595f67da2fd36b2cce4809fc597ae159ed30abfbf625b65cf063bdc5c008d2cee599624959831b

Download Submit
C:\Users\Admin\AppData\Roaming\03B4.95A

Filesize
600B

MD5
9f9db9d78b8f4918a2b91ca7b9a628e7

SHA1
61ea4563d770c62d2b7c897b8c3f7b8b4f7a9657

SHA256
16afc4918c38cc0c325de00c873af17e0de0b9f13187053cc1de4d5374b3a3ef

SHA512
8e7e253264e0ecb604a7f3a7afca4a928327c31990f7f58a7ab96e400114ecbe7741d43c84fa0adbf6a899311b980d8086b8194e1f541f8a93bb57425b535359

Download Submit
C:\Users\Admin\AppData\Roaming\03B4.95A

Filesize
996B

MD5
cd1e11b6c84134d77ef6c592efdfa486

SHA1
3f7675c78f7045171c54de972aee2f0f559e5605

SHA256
3ce5fa27bbb80b18310b9a5980732cbf9cb5d1495839510e6e9a831d0349ef86

SHA512
41f72f3ae9709498266597cb77c94460c69fc7516aafbe96106308740b0edbb983b81e9982aa6ca6c556219de3f24aac56d7e43da44569c2aefaaf9ddb2484a8

Download Submit
memory/2088-5-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/2164-76-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/2164-78-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/2384-1-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/2384-2-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/2384-12-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/2384-79-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/2384-152-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/2384-181-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads