cycbot | 757c9ca1cec418b5e813510613fcc838d815fc374f30e029fb7662450b82d31b

General

Target

e5cca1f9f777554ac3bfa08c0f8c377c_JaffaCakes118.exe
Size

168KB
MD5

e5cca1f9f777554ac3bfa08c0f8c377c
SHA1

7b9048b91b70fa398dfaac2b9507f802fff3ca10
SHA256

757c9ca1cec418b5e813510613fcc838d815fc374f30e029fb7662450b82d31b
SHA512

3381c0c229f4e1e4bec47b4604f93ca1f73209e6110816384baa25f81cf203b2a4e9d86732087daf592cd6f5c9bb9a7cb4a03f4d83ec3e7a17ac0768b3e38b6b
SSDEEP

3072:73uMOPcsJXFwc66qzNRx0nktB47zisxr08uIY41+VBQQCFWLx5lU55wJTsYfPqIo:aXFwcePYSAY6iBQbFKvM5+Thf4

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 5 IoCs

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

resource	yara_rule
behavioral1/memory/2508-12-0x0000000000400000-0x0000000000444000-memory.dmp	family_cycbot
behavioral1/memory/2024-13-0x0000000000400000-0x0000000000444000-memory.dmp	family_cycbot
behavioral1/memory/2024-78-0x0000000000400000-0x0000000000444000-memory.dmp	family_cycbot
behavioral1/memory/768-83-0x0000000000400000-0x0000000000444000-memory.dmp	family_cycbot
behavioral1/memory/2024-202-0x0000000000400000-0x0000000000444000-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"	e5cca1f9f777554ac3bfa08c0f8c377c_JaffaCakes118.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2024-1-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral1/memory/2024-2-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral1/memory/2508-12-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral1/memory/2024-13-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral1/memory/2024-78-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral1/memory/768-81-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral1/memory/768-83-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral1/memory/2024-202-0x0000000000400000-0x0000000000444000-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	e5cca1f9f777554ac3bfa08c0f8c377c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e5cca1f9f777554ac3bfa08c0f8c377c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e5cca1f9f777554ac3bfa08c0f8c377c_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2024 wrote to memory of 2508	2024	e5cca1f9f777554ac3bfa08c0f8c377c_JaffaCakes118.exe	31
PID 2024 wrote to memory of 2508	2024	e5cca1f9f777554ac3bfa08c0f8c377c_JaffaCakes118.exe	31
PID 2024 wrote to memory of 2508	2024	e5cca1f9f777554ac3bfa08c0f8c377c_JaffaCakes118.exe	31
PID 2024 wrote to memory of 2508	2024	e5cca1f9f777554ac3bfa08c0f8c377c_JaffaCakes118.exe	31
PID 2024 wrote to memory of 768	2024	e5cca1f9f777554ac3bfa08c0f8c377c_JaffaCakes118.exe	33
PID 2024 wrote to memory of 768	2024	e5cca1f9f777554ac3bfa08c0f8c377c_JaffaCakes118.exe	33
PID 2024 wrote to memory of 768	2024	e5cca1f9f777554ac3bfa08c0f8c377c_JaffaCakes118.exe	33
PID 2024 wrote to memory of 768	2024	e5cca1f9f777554ac3bfa08c0f8c377c_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\e5cca1f9f777554ac3bfa08c0f8c377c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e5cca1f9f777554ac3bfa08c0f8c377c_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2024
- C:\Users\Admin\AppData\Local\Temp\e5cca1f9f777554ac3bfa08c0f8c377c_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\e5cca1f9f777554ac3bfa08c0f8c377c_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2508
- C:\Users\Admin\AppData\Local\Temp\e5cca1f9f777554ac3bfa08c0f8c377c_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\e5cca1f9f777554ac3bfa08c0f8c377c_JaffaCakes118.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  - System Location Discovery: System Language Discovery
  PID:768

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\33FD.E52

Filesize
600B

MD5
68165e91c12bfcba9a2a945df490d6b6

SHA1
e1bdf049e479133d74812f98920c43eb6c7f04e6

SHA256
62f5715a4438b3806f44e2c352c0bc649ac855a8d43c8101c362bd7c574a4516

SHA512
7455619a8c94c08476866ac7ec3955cfbb9166dc858265bfb4cf68edf5442187b38dc13039cb4b96b4721894e0e007e91d0b9a992d337c337c7e57392bfffcac

Download Submit
C:\Users\Admin\AppData\Roaming\33FD.E52

Filesize
1KB

MD5
f848e7b8d9485e07927a78ab090aa555

SHA1
57302324ce398495344b991ab9c0002100d5a40c

SHA256
a2ba8aaa2171ea99e95f415be9d5759fcc9c92285672d70be20e946c7223af6a

SHA512
a50e3e6ed4d827c12ca852e52b7010885c41a38501522da6ab870e5e9e7af8294ae5b2558aeffbb7ed73f7e64ce0231433098b2929d37b9b10a3141934a3f713

Download Submit
C:\Users\Admin\AppData\Roaming\33FD.E52

Filesize
996B

MD5
2fc59407e296821f61888de568721646

SHA1
fa35fb79983275b275dfb1a09ccdbae1e2785713

SHA256
74af9aab61336d9d3133fc737fcbb8ac12e276f90907d2622ea28ef85a1e952e

SHA512
d4478a7ad6d1de6987dc22d6563d61e03cd88ce67d1deb030ff10c9e3288e50044eff95e041f7cc9db2d64ebcccc456b2dc8422ce5df837ad99429222d6811ca

Download Submit
memory/768-81-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/768-83-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/768-80-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2024-1-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2024-2-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2024-13-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2024-78-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2024-202-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2508-12-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads