cycbot | 574d40fbebebcac13860c459c710e0ec80187898837217a96b00637106e4c7f3

General

Target

JaffaCakes118_690a33abeec58325e4be45211d95d57b.exe
Size

164KB
MD5

690a33abeec58325e4be45211d95d57b
SHA1

a0ed59492aebd944a2172c24a2d4e4a2ba2fb549
SHA256

574d40fbebebcac13860c459c710e0ec80187898837217a96b00637106e4c7f3
SHA512

e40bf9e76bb78cdd5da67de0a9a9150ab52cebeb92a12f6c7dca0d9067911a3dc5112c345b7d9d9a0ca23d12124dcd004dc260e8d510c90ebd34707b3259bb5e
SSDEEP

3072:xRUuxgAFtIN+3hXCg8FPiJ8SywdqBmLpbsdA5+u0jEUoYwwEP0f0YkFO:xRU0ggt4OBkqCSFqBkFx5+VEflOdk

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/2868-8-0x0000000000400000-0x0000000000468000-memory.dmp	family_cycbot
behavioral1/memory/2868-7-0x0000000000400000-0x0000000000468000-memory.dmp	family_cycbot
behavioral1/memory/2708-16-0x0000000000400000-0x0000000000468000-memory.dmp	family_cycbot
behavioral1/memory/2988-83-0x0000000000400000-0x0000000000468000-memory.dmp	family_cycbot
behavioral1/memory/2708-190-0x0000000000400000-0x0000000000468000-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/2708-2-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/2868-8-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/2868-7-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/2708-16-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/2988-82-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/2988-83-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/2708-190-0x0000000000400000-0x0000000000468000-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_690a33abeec58325e4be45211d95d57b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_690a33abeec58325e4be45211d95d57b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_690a33abeec58325e4be45211d95d57b.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2708 wrote to memory of 2868	2708	JaffaCakes118_690a33abeec58325e4be45211d95d57b.exe	31
PID 2708 wrote to memory of 2868	2708	JaffaCakes118_690a33abeec58325e4be45211d95d57b.exe	31
PID 2708 wrote to memory of 2868	2708	JaffaCakes118_690a33abeec58325e4be45211d95d57b.exe	31
PID 2708 wrote to memory of 2868	2708	JaffaCakes118_690a33abeec58325e4be45211d95d57b.exe	31
PID 2708 wrote to memory of 2988	2708	JaffaCakes118_690a33abeec58325e4be45211d95d57b.exe	33
PID 2708 wrote to memory of 2988	2708	JaffaCakes118_690a33abeec58325e4be45211d95d57b.exe	33
PID 2708 wrote to memory of 2988	2708	JaffaCakes118_690a33abeec58325e4be45211d95d57b.exe	33
PID 2708 wrote to memory of 2988	2708	JaffaCakes118_690a33abeec58325e4be45211d95d57b.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_690a33abeec58325e4be45211d95d57b.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_690a33abeec58325e4be45211d95d57b.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2708
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_690a33abeec58325e4be45211d95d57b.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_690a33abeec58325e4be45211d95d57b.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2868
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_690a33abeec58325e4be45211d95d57b.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_690a33abeec58325e4be45211d95d57b.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2988

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\0F2D.DB7

Filesize
1KB

MD5
8c8ff71234010eea4bae73df54a0efb7

SHA1
852726ef945c2844c5e527e6e82bb95dfc63e140

SHA256
42e3eba0aeb04eb3a538696bb09083196ed565b7460539b6cd2cbbfa7d3c120e

SHA512
a66d4967f9801da948b3ce8d3043d9154a40f932b2244c31e1025ebc57e9e852695e9608d119a252dff74cdf6373982e1e7758ef8c6b233e5c44f85604bb25dd

Download Submit
C:\Users\Admin\AppData\Roaming\0F2D.DB7

Filesize
600B

MD5
6177a7fd5850a5987faf4c3c8755aa24

SHA1
a74a75fb994ccd0e4c8fa3516a788aa876b93f6d

SHA256
fe3514c2a48a3becd2a4edb940cefbd1b2fd4ebb8368e0dd9d3739cb551e425a

SHA512
47e37695abd7289c437472db404e281752a1ada1e07a90dcdfd17cc78dab0ff1c52a12df420c342b6b22e5f35f4e293efa644da6553d7e3207faf781a6a8a385

Download Submit
C:\Users\Admin\AppData\Roaming\0F2D.DB7

Filesize
996B

MD5
423ef50aedef8f35ec921031f1d11fbc

SHA1
bc4142eeaa5536d7eecfb988529f3d88f190334b

SHA256
b9237338f406116d64f5815bfbc2b9327f9c999179d4206f45e6efe75f2f3a02

SHA512
82efe202aeb43e5ae4e19e3f3e5e2ecba33678b1627cb2f14ecd35b39c98d4b7a1d93f0979796ed1c1747be005a609c43af8f0771f5b4ff368dbe271b7d67504

Download Submit
memory/2708-2-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2708-190-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2708-1-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2708-16-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2868-8-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2868-7-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2868-5-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2988-82-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2988-81-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2988-83-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download

Analysis

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