cycbot | ce69fc82fe74b2e45813d029d908d8ec4d5a788df80c823abe40e11f0a08325b

General

Target

d1cf59b3e6d7bc3cdd521e7158e65d20_JaffaCakes118.exe
Size

167KB
MD5

d1cf59b3e6d7bc3cdd521e7158e65d20
SHA1

baa2f928205102668cb27a8a4e3e6462850ae6d7
SHA256

ce69fc82fe74b2e45813d029d908d8ec4d5a788df80c823abe40e11f0a08325b
SHA512

d08501c0315956ff77dc084325550e198f845e64a32c69de63970ae87fc2740a0cfcfa9dd00ddf102fba8e2e3d60c4a146558662850880cb56d90ec444570f1d
SSDEEP

3072:1/JT+YPf75ysw4dB6eWth+WU8wTtNUFLwvPITiyTRbd0v0m:pJy+24dc7h+p8wwFZiSRbd6

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/1784-12-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/2528-13-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/2684-74-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/2528-75-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/2528-180-0x0000000000400000-0x0000000000445000-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"	d1cf59b3e6d7bc3cdd521e7158e65d20_JaffaCakes118.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2528-1-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/1784-12-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2528-13-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2684-73-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2684-74-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2528-75-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2528-180-0x0000000000400000-0x0000000000445000-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	d1cf59b3e6d7bc3cdd521e7158e65d20_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d1cf59b3e6d7bc3cdd521e7158e65d20_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d1cf59b3e6d7bc3cdd521e7158e65d20_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2528 wrote to memory of 1784	2528	d1cf59b3e6d7bc3cdd521e7158e65d20_JaffaCakes118.exe	31
PID 2528 wrote to memory of 1784	2528	d1cf59b3e6d7bc3cdd521e7158e65d20_JaffaCakes118.exe	31
PID 2528 wrote to memory of 1784	2528	d1cf59b3e6d7bc3cdd521e7158e65d20_JaffaCakes118.exe	31
PID 2528 wrote to memory of 1784	2528	d1cf59b3e6d7bc3cdd521e7158e65d20_JaffaCakes118.exe	31
PID 2528 wrote to memory of 2684	2528	d1cf59b3e6d7bc3cdd521e7158e65d20_JaffaCakes118.exe	33
PID 2528 wrote to memory of 2684	2528	d1cf59b3e6d7bc3cdd521e7158e65d20_JaffaCakes118.exe	33
PID 2528 wrote to memory of 2684	2528	d1cf59b3e6d7bc3cdd521e7158e65d20_JaffaCakes118.exe	33
PID 2528 wrote to memory of 2684	2528	d1cf59b3e6d7bc3cdd521e7158e65d20_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\d1cf59b3e6d7bc3cdd521e7158e65d20_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d1cf59b3e6d7bc3cdd521e7158e65d20_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2528
- C:\Users\Admin\AppData\Local\Temp\d1cf59b3e6d7bc3cdd521e7158e65d20_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\d1cf59b3e6d7bc3cdd521e7158e65d20_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1784
- C:\Users\Admin\AppData\Local\Temp\d1cf59b3e6d7bc3cdd521e7158e65d20_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\d1cf59b3e6d7bc3cdd521e7158e65d20_JaffaCakes118.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2684

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\BDC6.13D

Filesize
1KB

MD5
052d7cdd255712a0d543068539b52b3d

SHA1
c8bc496ea4c754c51a3b175449eb25b161d242d6

SHA256
959730ab31a1fac3f72a535ff06da8af59504d7ecdb691079c0a75b3389ef91b

SHA512
da4b5967c4ecd19ca83a5b6d921f8bd2be79f356c7d2e202a0d8b322ab8d8ebf0d807920dc316fc1cf783caa82705a9379413e16a4c0d360bcff01c6e5d624f6

Download Submit
C:\Users\Admin\AppData\Roaming\BDC6.13D

Filesize
600B

MD5
a7ff781a3f0e7ad4f97499acd255fbbd

SHA1
e882d228cacb201710279006f0116276cd9ffe50

SHA256
a441d18640f361b597aaf3a7ac950ab9583bf605c5086af6aed7ec4cc186bf05

SHA512
a3b2cd5686b1903bc0a0d30e44108b81c58a206524d8603df4174a6c3ecfa27580249cc8bbc4cbde60f64f1f65ff41902dc616a903d876689dc7685d14b9f05a

Download Submit
C:\Users\Admin\AppData\Roaming\BDC6.13D

Filesize
996B

MD5
7cecf6142a5aa096c979132e06cefe2d

SHA1
b04e2c7b0b72c17585e941b23f3f705ecf115530

SHA256
eee8b5801e2b4cc3ad97734109258c295a99be6e3374123a8059601ee8f6c19f

SHA512
f5e102efec23f03dedd684a38c88fe069bf1d7ed110f62dc406be4f6e0d240da1f7840e9c22a7e429c0b186d28ca513b97297dd85a01536a96a984a5d0039199

Download Submit
memory/1784-7-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/1784-12-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2528-1-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2528-13-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2528-75-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2528-180-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2684-73-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2684-72-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2684-74-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads