cycbot | 7ce5e5a51e5fe662b5c359ea11af3c88b7e2e71b5f63583c989ca1ca1fe3e7ff

General

Target

JaffaCakes118_617cbbefd15e6c358d640d5d7befab72.exe
Size

164KB
MD5

617cbbefd15e6c358d640d5d7befab72
SHA1

86a567ac4e966fd1442c866fb8e335914eb62109
SHA256

7ce5e5a51e5fe662b5c359ea11af3c88b7e2e71b5f63583c989ca1ca1fe3e7ff
SHA512

9f620b691f05b6b78502fd88f2bf1f152b54363aab4a54a0dd70e0ca400da8b7e45e3ac58e2dc149371fab73e1da6d5bd97c8769e2f386ddef26395d040b5da6
SSDEEP

3072:JtOBwK0TlLm8lirVlOJARb1X28BVmXIVWTjj3vfo69c:J8BO61ZlnzuXIVyHI6+

Score

10^/10

cycbot backdoor discovery persistence 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 6 IoCs

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

resource	yara_rule
behavioral1/memory/2060-12-0x0000000000400000-0x0000000000444000-memory.dmp	family_cycbot
behavioral1/memory/2060-14-0x0000000000400000-0x0000000000444000-memory.dmp	family_cycbot
behavioral1/memory/2272-15-0x0000000000400000-0x0000000000444000-memory.dmp	family_cycbot
behavioral1/memory/984-80-0x0000000000400000-0x0000000000444000-memory.dmp	family_cycbot
behavioral1/memory/2272-81-0x0000000000400000-0x0000000000444000-memory.dmp	family_cycbot
behavioral1/memory/2272-145-0x0000000000400000-0x0000000000444000-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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\conhost = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\conhost.exe"	JaffaCakes118_617cbbefd15e6c358d640d5d7befab72.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2272-2-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral1/memory/2060-12-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral1/memory/2060-14-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral1/memory/2272-15-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral1/memory/984-79-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral1/memory/984-80-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral1/memory/2272-81-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral1/memory/2272-145-0x0000000000400000-0x0000000000444000-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_617cbbefd15e6c358d640d5d7befab72.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_617cbbefd15e6c358d640d5d7befab72.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_617cbbefd15e6c358d640d5d7befab72.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2272 wrote to memory of 2060	2272	JaffaCakes118_617cbbefd15e6c358d640d5d7befab72.exe	30
PID 2272 wrote to memory of 2060	2272	JaffaCakes118_617cbbefd15e6c358d640d5d7befab72.exe	30
PID 2272 wrote to memory of 2060	2272	JaffaCakes118_617cbbefd15e6c358d640d5d7befab72.exe	30
PID 2272 wrote to memory of 2060	2272	JaffaCakes118_617cbbefd15e6c358d640d5d7befab72.exe	30
PID 2272 wrote to memory of 984	2272	JaffaCakes118_617cbbefd15e6c358d640d5d7befab72.exe	33
PID 2272 wrote to memory of 984	2272	JaffaCakes118_617cbbefd15e6c358d640d5d7befab72.exe	33
PID 2272 wrote to memory of 984	2272	JaffaCakes118_617cbbefd15e6c358d640d5d7befab72.exe	33
PID 2272 wrote to memory of 984	2272	JaffaCakes118_617cbbefd15e6c358d640d5d7befab72.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_617cbbefd15e6c358d640d5d7befab72.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_617cbbefd15e6c358d640d5d7befab72.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2272
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_617cbbefd15e6c358d640d5d7befab72.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_617cbbefd15e6c358d640d5d7befab72.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2060
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_617cbbefd15e6c358d640d5d7befab72.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_617cbbefd15e6c358d640d5d7befab72.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  - System Location Discovery: System Language Discovery
  PID:984

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

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

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Downloads

C:\Users\Admin\AppData\Roaming\0CE5.697

Filesize
1KB

MD5
45c6963caf9746b10db269b2c78ff452

SHA1
bdea71bcf90b3b5558eb5b233d0f73fcef7dfd7b

SHA256
288922d136decd321fb9b2c50f991e0a61de394c60877ae0026413ae3764f26d

SHA512
fc6863cd7ddb7c566f380f78dd1b1a8622591a9d88ff65a7d5c35c73b3f2e17bcbbb885937b3e94b9b1a60c8a1e9495adc6e14085e94e4755229ce680b6a9dc4

Download Submit
C:\Users\Admin\AppData\Roaming\0CE5.697

Filesize
600B

MD5
40ee1af0ef062842f8f99798344fb6e9

SHA1
161e717318da377fff5a82ddcf9a2f55ec83b196

SHA256
6275338b58b9a24a3357c4aa304c6038c540279c18ff241b66b298ee9dda4e6f

SHA512
d0e5b85757f4a3de14d1a48483dd168cef853dbbba843982f83f077c1ecc39dc8b88d133c1e92ea59cac7ebb9b4b93290c460e31080fd6daf301033992d89055

Download Submit
memory/984-79-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/984-80-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2060-12-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2060-14-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2272-1-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2272-2-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2272-15-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2272-81-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2272-145-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads