cycbot | 27bd9e1db8e910a64403c6dd98e218670ae43a20291e499f757edc568bbaca82

General

Target

JaffaCakes118_17697460f42f0f2917d33641755d8b86.exe
Size

179KB
MD5

17697460f42f0f2917d33641755d8b86
SHA1

a40339fe7504c246c4a4f0315b5913cebc79d7ac
SHA256

27bd9e1db8e910a64403c6dd98e218670ae43a20291e499f757edc568bbaca82
SHA512

7e70cf2efb72d9e274677ed29a7e156fb968a836f9fbe446f9ee934664cd46e02730c848ed92a4d5dce54a0427e53d222bd100035d0fb4aa8c5b945ec36cdd6d
SSDEEP

3072:M1OS7e7LDSy/8ppC9zgAiaXS77PrCDLdyL+r1oZNPy:MES7PRppch7iCDEL+eZZ

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 5 IoCs

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

resource	yara_rule
behavioral1/memory/2344-15-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2908-16-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2908-17-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral1/memory/756-119-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2908-278-0x0000000000400000-0x0000000000455000-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 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2908-3-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2344-13-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2344-15-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2908-16-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2908-17-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/756-119-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2908-278-0x0000000000400000-0x0000000000455000-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_17697460f42f0f2917d33641755d8b86.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_17697460f42f0f2917d33641755d8b86.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_17697460f42f0f2917d33641755d8b86.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2908 wrote to memory of 2344	2908	JaffaCakes118_17697460f42f0f2917d33641755d8b86.exe	30
PID 2908 wrote to memory of 2344	2908	JaffaCakes118_17697460f42f0f2917d33641755d8b86.exe	30
PID 2908 wrote to memory of 2344	2908	JaffaCakes118_17697460f42f0f2917d33641755d8b86.exe	30
PID 2908 wrote to memory of 2344	2908	JaffaCakes118_17697460f42f0f2917d33641755d8b86.exe	30
PID 2908 wrote to memory of 756	2908	JaffaCakes118_17697460f42f0f2917d33641755d8b86.exe	33
PID 2908 wrote to memory of 756	2908	JaffaCakes118_17697460f42f0f2917d33641755d8b86.exe	33
PID 2908 wrote to memory of 756	2908	JaffaCakes118_17697460f42f0f2917d33641755d8b86.exe	33
PID 2908 wrote to memory of 756	2908	JaffaCakes118_17697460f42f0f2917d33641755d8b86.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_17697460f42f0f2917d33641755d8b86.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_17697460f42f0f2917d33641755d8b86.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2908
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_17697460f42f0f2917d33641755d8b86.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_17697460f42f0f2917d33641755d8b86.exe startC:\Program Files (x86)\LP\2C07\619.exe%C:\Program Files (x86)\LP\2C07
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2344
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_17697460f42f0f2917d33641755d8b86.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_17697460f42f0f2917d33641755d8b86.exe startC:\Users\Admin\AppData\Roaming\76226\6AC2C.exe%C:\Users\Admin\AppData\Roaming\76226
  2⤵
  - System Location Discovery: System Language Discovery
  PID:756

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\76226\6A54.622

Filesize
996B

MD5
bc07f72988c65993c9f5027dee102a95

SHA1
01471c4ddd2649d175df8dc0773dfc81fb7245bd

SHA256
db70d771ec62417fa80ebe0362a36762d2946139160b237a3a01a121b6b0752e

SHA512
169e572a87f46ecc93b96a9e3be9d5fc0dcedb4b5808bf06fefca2ce99cf60aa99e5045f1d4c45c321ed60f85a6ad5471f0e8166995ee9c5c56fa78ee98689be

Download Submit
C:\Users\Admin\AppData\Roaming\76226\6A54.622

Filesize
600B

MD5
2a6cb0eba923c1758a6d1c4cd4b726ca

SHA1
53141838618efe4bb2994a4a2fab1e394478050c

SHA256
da7fe33c4e64766f72fc75afd5f0771c00b771edc9a4949a526e9cb416dc149a

SHA512
4d061f6ba9d81f680abc71603d6138ee946442e8c81fb6137246e96c7194d0e8063d389b1bab51dc21fb34fce24c04dc222f2717d50a6e82faccbc1868ed15de

Download Submit
C:\Users\Admin\AppData\Roaming\76226\6A54.622

Filesize
1KB

MD5
7b423b2c7360073cf3707e0927e650a9

SHA1
29503fcc22eb5ba10915b4e296e22685f05221e9

SHA256
e845644a8754e9b32a41d5194fd6c0877b60df11de7aa04a19ff750360b5e235

SHA512
bf3104ece99da927cb68e86b90ebcf52b2dd27fcc8f0950620fe8fd2fa0d0f20e20c86c946d6f9599eed868548008b9caa3d6af8e699f1b6474caa6da307e93e

Download Submit
memory/756-119-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2344-13-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2344-15-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2908-0-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2908-2-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2908-3-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2908-16-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2908-17-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2908-278-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

Sharing