cycbot | d826d58381c7c9f4ee5cbf19b8758a8230f742ca11f92c995034c5c5aaff5287

General

Target

JaffaCakes118_304f456f6c3caf0f5c865bdb32061656.exe
Size

173KB
MD5

304f456f6c3caf0f5c865bdb32061656
SHA1

e1f2db1849f8adffaffedf7aed0b83a373138618
SHA256

d826d58381c7c9f4ee5cbf19b8758a8230f742ca11f92c995034c5c5aaff5287
SHA512

a7bf7e7b06d214fc0193f502b1761aa27008426ed03232edf5caf0b4ec546eddd6ac5ac6a4f202bfc923f097e09bd2b8741fa23bad3910c98e02ae818fbed4fd
SSDEEP

3072:BnrPYYjyvhM2qrIvfXS6BVrt2aGLd+XrOUCV1JXLnXixqltXA:BMYjyvhMt8vfXS6BVr7GLwrOjl7nX9DQ

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 3 IoCs

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

resource	yara_rule
behavioral1/memory/2712-8-0x0000000000400000-0x0000000000462000-memory.dmp	family_cycbot
behavioral1/memory/2848-15-0x0000000000400000-0x0000000000462000-memory.dmp	family_cycbot
behavioral1/memory/2996-76-0x0000000000400000-0x0000000000462000-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 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2848-2-0x0000000000400000-0x0000000000462000-memory.dmp	upx
behavioral1/memory/2712-8-0x0000000000400000-0x0000000000462000-memory.dmp	upx
behavioral1/memory/2712-6-0x0000000000400000-0x0000000000462000-memory.dmp	upx
behavioral1/memory/2848-15-0x0000000000400000-0x0000000000462000-memory.dmp	upx
behavioral1/memory/2996-76-0x0000000000400000-0x0000000000462000-memory.dmp	upx
behavioral1/memory/2996-75-0x0000000000400000-0x0000000000462000-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_304f456f6c3caf0f5c865bdb32061656.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_304f456f6c3caf0f5c865bdb32061656.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_304f456f6c3caf0f5c865bdb32061656.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2848 wrote to memory of 2712	2848	JaffaCakes118_304f456f6c3caf0f5c865bdb32061656.exe	30
PID 2848 wrote to memory of 2712	2848	JaffaCakes118_304f456f6c3caf0f5c865bdb32061656.exe	30
PID 2848 wrote to memory of 2712	2848	JaffaCakes118_304f456f6c3caf0f5c865bdb32061656.exe	30
PID 2848 wrote to memory of 2712	2848	JaffaCakes118_304f456f6c3caf0f5c865bdb32061656.exe	30
PID 2848 wrote to memory of 2996	2848	JaffaCakes118_304f456f6c3caf0f5c865bdb32061656.exe	32
PID 2848 wrote to memory of 2996	2848	JaffaCakes118_304f456f6c3caf0f5c865bdb32061656.exe	32
PID 2848 wrote to memory of 2996	2848	JaffaCakes118_304f456f6c3caf0f5c865bdb32061656.exe	32
PID 2848 wrote to memory of 2996	2848	JaffaCakes118_304f456f6c3caf0f5c865bdb32061656.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_304f456f6c3caf0f5c865bdb32061656.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_304f456f6c3caf0f5c865bdb32061656.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2848
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_304f456f6c3caf0f5c865bdb32061656.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_304f456f6c3caf0f5c865bdb32061656.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2712
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_304f456f6c3caf0f5c865bdb32061656.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_304f456f6c3caf0f5c865bdb32061656.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2996

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\9EEF.B95

Filesize
600B

MD5
6d756bececad358a60457d1e7d221836

SHA1
4e94886a25c7ed6456d63eb369d8d1e05c9d6b7a

SHA256
bf8694266eda1ef999eec66c92a253ba84ebc89f4e906ae2759e60bd00c59891

SHA512
f3c6597e4f34337245d6c50d2248b0bf23457e92bfff5252f8c189e17d441d5121515b26d8981f86b9c06fb6893ddc67c33b9aaa697d1d04de207e7e168917fa

Download Submit
C:\Users\Admin\AppData\Roaming\9EEF.B95

Filesize
996B

MD5
614648d338499d3ffba21c604b098b4a

SHA1
21cc81e213f7878ce25f7878d6ff66a14d08eefb

SHA256
8b94e716f572335865c4e9631c41953001fc09ee6b500f67360e11d4a9eac3d3

SHA512
c73c5c1e6415cd108a529dba05672cbaadcd9a22102e02d9a6422e1045933d97458d1854daa523a52e946fde7b063f99e8b8b2acfe06f974eccca325b1c0a606

Download Submit
memory/2712-5-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2712-8-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2712-6-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2848-1-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2848-2-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2848-15-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2996-73-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2996-76-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2996-75-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download

Analysis

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