cycbot | 0b5ed9179e3a25ef6d9ee8504293c96b9cbc1c3cdc3cad8b46d1083e089be9db

General

Target

JaffaCakes118_306ddef8dd05ca4da80890839bbcaa7d.exe
Size

170KB
MD5

306ddef8dd05ca4da80890839bbcaa7d
SHA1

6908c0407cd8f3042ab09a74ff752947dc71c9d5
SHA256

0b5ed9179e3a25ef6d9ee8504293c96b9cbc1c3cdc3cad8b46d1083e089be9db
SHA512

a40c12742f4690b56ae959fb9370eb84da894c387eaa920a19a01549d37df807433a10800aebe4210e9bc90b8d6cbdac5b0b34509d23d0b52fdb5c7302e374d8
SSDEEP

3072:6iGifTBzP8Yxv9OuabnFezAu5INkmzasdh3p6CLYb5eelB+vs4:vNV7tq5ezp2zF33pW5eelB+

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/1732-15-0x0000000000400000-0x000000000046B000-memory.dmp	family_cycbot
behavioral1/memory/1120-16-0x0000000000400000-0x000000000046B000-memory.dmp	family_cycbot
behavioral1/memory/1488-87-0x0000000000400000-0x000000000046B000-memory.dmp	family_cycbot
behavioral1/memory/1120-163-0x0000000000400000-0x000000000046B000-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/1120-2-0x0000000000400000-0x000000000046B000-memory.dmp	upx
behavioral1/memory/1732-13-0x0000000000400000-0x000000000046B000-memory.dmp	upx
behavioral1/memory/1732-15-0x0000000000400000-0x000000000046B000-memory.dmp	upx
behavioral1/memory/1120-16-0x0000000000400000-0x000000000046B000-memory.dmp	upx
behavioral1/memory/1488-87-0x0000000000400000-0x000000000046B000-memory.dmp	upx
behavioral1/memory/1488-86-0x0000000000400000-0x000000000046B000-memory.dmp	upx
behavioral1/memory/1120-163-0x0000000000400000-0x000000000046B000-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_306ddef8dd05ca4da80890839bbcaa7d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_306ddef8dd05ca4da80890839bbcaa7d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_306ddef8dd05ca4da80890839bbcaa7d.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1120 wrote to memory of 1732	1120	JaffaCakes118_306ddef8dd05ca4da80890839bbcaa7d.exe	28
PID 1120 wrote to memory of 1732	1120	JaffaCakes118_306ddef8dd05ca4da80890839bbcaa7d.exe	28
PID 1120 wrote to memory of 1732	1120	JaffaCakes118_306ddef8dd05ca4da80890839bbcaa7d.exe	28
PID 1120 wrote to memory of 1732	1120	JaffaCakes118_306ddef8dd05ca4da80890839bbcaa7d.exe	28
PID 1120 wrote to memory of 1488	1120	JaffaCakes118_306ddef8dd05ca4da80890839bbcaa7d.exe	30
PID 1120 wrote to memory of 1488	1120	JaffaCakes118_306ddef8dd05ca4da80890839bbcaa7d.exe	30
PID 1120 wrote to memory of 1488	1120	JaffaCakes118_306ddef8dd05ca4da80890839bbcaa7d.exe	30
PID 1120 wrote to memory of 1488	1120	JaffaCakes118_306ddef8dd05ca4da80890839bbcaa7d.exe	30

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_306ddef8dd05ca4da80890839bbcaa7d.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_306ddef8dd05ca4da80890839bbcaa7d.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1120
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_306ddef8dd05ca4da80890839bbcaa7d.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_306ddef8dd05ca4da80890839bbcaa7d.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1732
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_306ddef8dd05ca4da80890839bbcaa7d.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_306ddef8dd05ca4da80890839bbcaa7d.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1488

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\A472.96A

Filesize
1KB

MD5
e5ec80e0bc2b9e921b8d487d71257c36

SHA1
4c53efc0a35a533bdfec8f6d0a1b1407be80e84e

SHA256
99b518deb9030294e6dc5addf120aa1bbb6ab1f7577d71bd16729c9ee0f5417f

SHA512
7db78147a33be2f11605b9fb836afd8b65bc283c4de62cad7e95a11c7c530178c9794dae8fef83d6d0bcc6a1fa0204aa51de7cbd7255be9dc880c3ea9338e9e1

Download Submit
C:\Users\Admin\AppData\Roaming\A472.96A

Filesize
600B

MD5
b0abdf4022041897edbe60cbca9e6b9c

SHA1
c4831ad57a7470d095889ace57b37cfabd0d804a

SHA256
32159d9e7b1a80d71fdcd95d10557205d4f3d03f519689f5263de8deb085168e

SHA512
821cd689bb5e585e5e0de836cae744b1a1e4a5e5a963d536bb934e3f211b47cb0ec6c5305c677eb64d0250a963e7fcdfc6519d234ead2c2edeec48dfd2c24f72

Download Submit
C:\Users\Admin\AppData\Roaming\A472.96A

Filesize
996B

MD5
bb5922297e625b85d389be87c3b38f30

SHA1
acfcb2a7b9542280a1bd5b9570b8a03367f7d1c2

SHA256
cafcd34515518c445341ed987eeda1c399213f7aeb7daf04e523ff218c2891e8

SHA512
2c312f6dc554369345243f0fee956e51bf7140e63f600699badbcd5c2c36527e36512e23a21e03f53dac3a38b0031f7ca9d11f83b35c4daca55d4f1eae15ce9d

Download Submit
memory/1120-1-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/1120-2-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/1120-16-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/1120-163-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/1488-87-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/1488-86-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/1732-12-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/1732-13-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/1732-15-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download

Analysis

Sharing