cycbot | e6228850469d1423f3092a825d45445eb30c7d54ba221a05a6863e90f073e17b

General

Target

JaffaCakes118_43637c0470106556c2e969bafdb517db.exe
Size

194KB
MD5

43637c0470106556c2e969bafdb517db
SHA1

8b36ae3091a3ae064b89cff4dd3fec9c354d3e40
SHA256

e6228850469d1423f3092a825d45445eb30c7d54ba221a05a6863e90f073e17b
SHA512

4e40a86c6f7d241fc21c4092b8b1c9d5d1a36f33b98f533a28003f8fdf2fe374d3af3b99f569cca0e9fe92c7e3096d58a6653396c7d04da5a43148065222b3cb
SSDEEP

6144:cw7+XkcRxvZojEW0wH0BH5NKYjoLm5hHTyLHbKVAyE:1+XkcHijD/H6LdmmLOL7

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 4 IoCs

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

resource	yara_rule
behavioral1/memory/2884-7-0x0000000000400000-0x0000000000469000-memory.dmp	family_cycbot
behavioral1/memory/2516-15-0x0000000000400000-0x0000000000469000-memory.dmp	family_cycbot
behavioral1/memory/3040-89-0x0000000000400000-0x0000000000469000-memory.dmp	family_cycbot
behavioral1/memory/2516-191-0x0000000000400000-0x0000000000469000-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/2516-2-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/2884-5-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/2884-7-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/2516-15-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/3040-87-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/3040-89-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/2516-191-0x0000000000400000-0x0000000000469000-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_43637c0470106556c2e969bafdb517db.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_43637c0470106556c2e969bafdb517db.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_43637c0470106556c2e969bafdb517db.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2516 wrote to memory of 2884	2516	JaffaCakes118_43637c0470106556c2e969bafdb517db.exe	30
PID 2516 wrote to memory of 2884	2516	JaffaCakes118_43637c0470106556c2e969bafdb517db.exe	30
PID 2516 wrote to memory of 2884	2516	JaffaCakes118_43637c0470106556c2e969bafdb517db.exe	30
PID 2516 wrote to memory of 2884	2516	JaffaCakes118_43637c0470106556c2e969bafdb517db.exe	30
PID 2516 wrote to memory of 3040	2516	JaffaCakes118_43637c0470106556c2e969bafdb517db.exe	32
PID 2516 wrote to memory of 3040	2516	JaffaCakes118_43637c0470106556c2e969bafdb517db.exe	32
PID 2516 wrote to memory of 3040	2516	JaffaCakes118_43637c0470106556c2e969bafdb517db.exe	32
PID 2516 wrote to memory of 3040	2516	JaffaCakes118_43637c0470106556c2e969bafdb517db.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_43637c0470106556c2e969bafdb517db.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_43637c0470106556c2e969bafdb517db.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2516
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_43637c0470106556c2e969bafdb517db.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_43637c0470106556c2e969bafdb517db.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2884
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_43637c0470106556c2e969bafdb517db.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_43637c0470106556c2e969bafdb517db.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3040

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\2DB3.67C

Filesize
300B

MD5
1985b1ee90b0b9c25ce3160785989ab9

SHA1
8c4d37a676b6b5778f9eac6e79f864e05ae12aa3

SHA256
2e74318160b8dc773e82a98e5f0ffdb8d9d21f3c4034c40eb06f255f21fbe35f

SHA512
a3ff0be0d47681f7a719c19ae5777ec373303b992cb154c0490e0764c24dc4e7c0281748696d8805a0c75f7d27642ae16fdbfee1c9d706bff852bc120437736c

Download Submit
C:\Users\Admin\AppData\Roaming\2DB3.67C

Filesize
1KB

MD5
bea7f7ff959452538f01cc58a0c9782d

SHA1
466e21a8f7c117da86fcc96d3db6c2151ac16962

SHA256
829a224ce1237ff3c3de2f47e03a5c29eef86b2cc08a4e35b22e7bac0cc2036c

SHA512
b4ea529a2ed72c930c7209c628af8183363bb010a9afea72cd087ddbcd9e1468eeab8794f220a8befa1b9de026fd2d3b65571e6d5c6666250ed11931972e7105

Download Submit
C:\Users\Admin\AppData\Roaming\2DB3.67C

Filesize
600B

MD5
97387ba484f81342e0c7abf34f436127

SHA1
8ed49cb14fde581e071f37e89fe0249ec9a8be6a

SHA256
c70a3fc25ac235dc85d5e5ecdd37298779d7b55c8de3db95de287de322470bd6

SHA512
60c2bee710329790d3858eddc4cb10daeb4810be4e019f679074131647db5253acd5ac8643b9549346af35ffb87423eb9112ec4765a3ab03da4389262baf9435

Download Submit
memory/2516-1-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2516-2-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2516-15-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2516-191-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2884-5-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2884-7-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3040-87-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/3040-89-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download

Analysis

Sharing