cycbot | 4d9d332d9c5602748b89c2e21351e49727e24f2eff82dc3da935f305d872f036

General

Target

JaffaCakes118_69ae3dd9e7bc51521f66b59966707e71.exe
Size

181KB
MD5

69ae3dd9e7bc51521f66b59966707e71
SHA1

b416212cfa113dbe1cedb4662d5d499a0bfe59be
SHA256

4d9d332d9c5602748b89c2e21351e49727e24f2eff82dc3da935f305d872f036
SHA512

380fa9dee72f49559c197993f2048c4dbd94bf891bfc9eeaff5263a3cd97adb66408bbbcfece97856addd3990f3ee4f53d318dc1c5bfa5e43a25f435120c98c8
SSDEEP

3072:1K8xfvEkaMaftww3MVpkLXTr+ump60ccdXIraw3t:17f/aMafuyMVemNwCNIraw

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/1620-12-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/1632-13-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/344-83-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/1632-182-0x0000000000400000-0x000000000044E000-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 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1632-2-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/1620-12-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/1632-13-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/344-83-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/1632-182-0x0000000000400000-0x000000000044E000-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_69ae3dd9e7bc51521f66b59966707e71.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_69ae3dd9e7bc51521f66b59966707e71.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_69ae3dd9e7bc51521f66b59966707e71.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1632 wrote to memory of 1620	1632	JaffaCakes118_69ae3dd9e7bc51521f66b59966707e71.exe	30
PID 1632 wrote to memory of 1620	1632	JaffaCakes118_69ae3dd9e7bc51521f66b59966707e71.exe	30
PID 1632 wrote to memory of 1620	1632	JaffaCakes118_69ae3dd9e7bc51521f66b59966707e71.exe	30
PID 1632 wrote to memory of 1620	1632	JaffaCakes118_69ae3dd9e7bc51521f66b59966707e71.exe	30
PID 1632 wrote to memory of 344	1632	JaffaCakes118_69ae3dd9e7bc51521f66b59966707e71.exe	33
PID 1632 wrote to memory of 344	1632	JaffaCakes118_69ae3dd9e7bc51521f66b59966707e71.exe	33
PID 1632 wrote to memory of 344	1632	JaffaCakes118_69ae3dd9e7bc51521f66b59966707e71.exe	33
PID 1632 wrote to memory of 344	1632	JaffaCakes118_69ae3dd9e7bc51521f66b59966707e71.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_69ae3dd9e7bc51521f66b59966707e71.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_69ae3dd9e7bc51521f66b59966707e71.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1632
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_69ae3dd9e7bc51521f66b59966707e71.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_69ae3dd9e7bc51521f66b59966707e71.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1620
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_69ae3dd9e7bc51521f66b59966707e71.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_69ae3dd9e7bc51521f66b59966707e71.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:344

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\FD57.4C0

Filesize
600B

MD5
47ded03e8cf050d186e18e1f146e0c33

SHA1
a97b977f8f73efaea692b05646c9081be7616337

SHA256
7c4e6f50934ddb14230ffbde82b869f367251f9767243c5aa52a04966db9aafc

SHA512
436aa84ed476bd14129584cd8371018d00da92c7c346570b47acd9911022dcc4ee73ead9d62fed6dcf79528c05507cff9bf7ac080d1e0cb8c806d52e3a93c599

Download Submit
C:\Users\Admin\AppData\Roaming\FD57.4C0

Filesize
1KB

MD5
1e74d97be6fd6a37abb6944fbc5489aa

SHA1
e64358ed24d5b984500f0d8d5c72a5f56b4a3c54

SHA256
3d47ac43e889e5c2eabe001c5c39d65afc12f42eddf5eb94b9f8e44518ce3893

SHA512
db1703186d31f4d59117b8d76337142d91a487c12b7e1d25e8330758920ffcb789630017265784472dca39e1b362a68a554e2bf4753ac1f491d32fd874e0b1a1

Download Submit
memory/344-83-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1620-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1632-2-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1632-1-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1632-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1632-182-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

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