cycbot | 0ddbea787385d8277687d750b872be44322327d3c023ad750648ba27b6f5c614

General

Target

JaffaCakes118_1baf4d9e6cd2ab156de6ed10576d663b.exe
Size

182KB
MD5

1baf4d9e6cd2ab156de6ed10576d663b
SHA1

30d6a925604f01bd299e9fc69493bc5e793e7b76
SHA256

0ddbea787385d8277687d750b872be44322327d3c023ad750648ba27b6f5c614
SHA512

1648e32e8be73b43adceb1b8a2d0a7b3f991577d42dff6dc058afe66ccaac9897936bb8bdb8a9881776e814f25a9bb8442842abc368473f7f8504fd397dcf7b3
SSDEEP

3072:jbnYg9mewK9LSOK0p7NIxJGwIZwFf8lGpqjcez/ACRLD9Lfvy:vYg9rwmLSOK0XEJG6Ff8kpqgeDFdLfv

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/2704-18-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/2208-19-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/1164-89-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/2208-194-0x0000000000400000-0x000000000044E000-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/2208-2-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2704-17-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2704-18-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2208-19-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/1164-88-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/1164-89-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2208-194-0x0000000000400000-0x000000000044E000-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_1baf4d9e6cd2ab156de6ed10576d663b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_1baf4d9e6cd2ab156de6ed10576d663b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_1baf4d9e6cd2ab156de6ed10576d663b.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2208 wrote to memory of 2704	2208	JaffaCakes118_1baf4d9e6cd2ab156de6ed10576d663b.exe	30
PID 2208 wrote to memory of 2704	2208	JaffaCakes118_1baf4d9e6cd2ab156de6ed10576d663b.exe	30
PID 2208 wrote to memory of 2704	2208	JaffaCakes118_1baf4d9e6cd2ab156de6ed10576d663b.exe	30
PID 2208 wrote to memory of 2704	2208	JaffaCakes118_1baf4d9e6cd2ab156de6ed10576d663b.exe	30
PID 2208 wrote to memory of 1164	2208	JaffaCakes118_1baf4d9e6cd2ab156de6ed10576d663b.exe	32
PID 2208 wrote to memory of 1164	2208	JaffaCakes118_1baf4d9e6cd2ab156de6ed10576d663b.exe	32
PID 2208 wrote to memory of 1164	2208	JaffaCakes118_1baf4d9e6cd2ab156de6ed10576d663b.exe	32
PID 2208 wrote to memory of 1164	2208	JaffaCakes118_1baf4d9e6cd2ab156de6ed10576d663b.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1baf4d9e6cd2ab156de6ed10576d663b.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1baf4d9e6cd2ab156de6ed10576d663b.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2208
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1baf4d9e6cd2ab156de6ed10576d663b.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1baf4d9e6cd2ab156de6ed10576d663b.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2704
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1baf4d9e6cd2ab156de6ed10576d663b.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1baf4d9e6cd2ab156de6ed10576d663b.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1164

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\02C0.EC0

Filesize
597B

MD5
5199237f40d2f90770058e02788181e6

SHA1
9b56feb4189ea19137be810a79a576fc3b351130

SHA256
c355b016f2b006a541fd1ff4687626c028e775f55460bab99a40617b16764b0d

SHA512
184ff3c8f1c6568761322018efba09e95ff1df27090eee0db22437d89b4e7e303a6c9939e3464b48214b9aab81b5a207f65737a71c5fe70717759659d491d264

Download Submit
C:\Users\Admin\AppData\Roaming\02C0.EC0

Filesize
897B

MD5
0e76075c70f8063ede050818714d42ff

SHA1
199e29cea73d96f52e3386da0ad326ec62fb4bfc

SHA256
5e0eeee7cc4d6ebe29303d1e6bb91cc1aff4c6a36adb2b208c1dd0298eae7b64

SHA512
070c400d0d5c766f5857ea5f6ca30aaf0db95501b2403c5ef2af280ecf2fedcb5479f5548bafe1fa636fbf5ae8331d3aac3b31265b115bdb7affa9f316715f68

Download Submit
C:\Users\Admin\AppData\Roaming\02C0.EC0

Filesize
1KB

MD5
f6b91fa9ce9d92704ba8265bec6b1d29

SHA1
67e503ed2b3afc95b072c35782b523c48b8b93fa

SHA256
3deb827d593dda10b2518b5c15f03c7c2bec312c54d0f4e000354f76cdfa9ffc

SHA512
08abe3aa0f431c4479349beeeca78c7cef361d7a5375fa900262dbc376ae734b43c91895ce9b05c443dba815c8dd11eb2301f9a1e72c25cf4d4ff8c04f71188b

Download Submit
memory/1164-88-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1164-89-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2208-1-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2208-2-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2208-19-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2208-194-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2704-17-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2704-18-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

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