cycbot | b495ec893449a90135781bc73e854a43598d5e4d10c72e53633e8e3faf423f93

General

Target

e0e5b6bd452cda57e220b56414d6c757_JaffaCakes118.exe
Size

181KB
MD5

e0e5b6bd452cda57e220b56414d6c757
SHA1

2b906007bdd2a8625bf4e2c219a3cc824606ba67
SHA256

b495ec893449a90135781bc73e854a43598d5e4d10c72e53633e8e3faf423f93
SHA512

ad84e3dad928e93edebc0c8d9bfe379e656a8131d46fbd33bd2889a3400dcaa7d63e3445aca0d8fe332a6aea48814b5da19c785ee7a2658da93dd81278634707
SSDEEP

3072:fLaN43+0yH/U7fsD+mIzjHxPtPSR45Umi0QxGEvzdVjZgpn3LvSWCC8MWi:fLaAy8og9xco6xGKBxZyjSWCYWi

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/1620-14-0x0000000000400000-0x0000000000471000-memory.dmp	family_cycbot
behavioral1/memory/1600-15-0x0000000000400000-0x0000000000471000-memory.dmp	family_cycbot
behavioral1/memory/2840-86-0x0000000000400000-0x0000000000471000-memory.dmp	family_cycbot
behavioral1/memory/1600-191-0x0000000000400000-0x0000000000471000-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/1600-2-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral1/memory/1620-14-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral1/memory/1600-15-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral1/memory/1620-82-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral1/memory/2840-84-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral1/memory/2840-86-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral1/memory/1600-191-0x0000000000400000-0x0000000000471000-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	e0e5b6bd452cda57e220b56414d6c757_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e0e5b6bd452cda57e220b56414d6c757_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e0e5b6bd452cda57e220b56414d6c757_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1600 wrote to memory of 1620	1600	e0e5b6bd452cda57e220b56414d6c757_JaffaCakes118.exe	30
PID 1600 wrote to memory of 1620	1600	e0e5b6bd452cda57e220b56414d6c757_JaffaCakes118.exe	30
PID 1600 wrote to memory of 1620	1600	e0e5b6bd452cda57e220b56414d6c757_JaffaCakes118.exe	30
PID 1600 wrote to memory of 1620	1600	e0e5b6bd452cda57e220b56414d6c757_JaffaCakes118.exe	30
PID 1600 wrote to memory of 2840	1600	e0e5b6bd452cda57e220b56414d6c757_JaffaCakes118.exe	33
PID 1600 wrote to memory of 2840	1600	e0e5b6bd452cda57e220b56414d6c757_JaffaCakes118.exe	33
PID 1600 wrote to memory of 2840	1600	e0e5b6bd452cda57e220b56414d6c757_JaffaCakes118.exe	33
PID 1600 wrote to memory of 2840	1600	e0e5b6bd452cda57e220b56414d6c757_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\e0e5b6bd452cda57e220b56414d6c757_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e0e5b6bd452cda57e220b56414d6c757_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1600
- C:\Users\Admin\AppData\Local\Temp\e0e5b6bd452cda57e220b56414d6c757_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\e0e5b6bd452cda57e220b56414d6c757_JaffaCakes118.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\e0e5b6bd452cda57e220b56414d6c757_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\e0e5b6bd452cda57e220b56414d6c757_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2840

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\D5AA.835

Filesize
1KB

MD5
6e5eab3f892e4e80cfbd049208b27ecc

SHA1
476ae5cad3225c086a7bd48107f45dbb2d8341c9

SHA256
2c9a1b1a4c41f9eaef7f89852f8a384faa637dba02693392e8f6084bd2d7afce

SHA512
7a4092e35172432d797466b9a670eb78619d3a8abf7086d4a4d365bc536660e51ec0146f579d94acc6e99bf60837da3c241c912ca024110ab0ee45d218a74b2b

Download Submit
C:\Users\Admin\AppData\Roaming\D5AA.835

Filesize
600B

MD5
0f86cda14d1981aabd6ffd33fafa01c0

SHA1
e2b69116c9fe143a7ec9866f007188a480f4b897

SHA256
6f6f27e1c0e453fe5a0256c0830e4623a0bd7af45bbb52b49a8f23ffc90591c5

SHA512
e33ac4378fa28f50a86d1c825439f201e11afc399e7549bbfbf86e9212e100b2ae5a73a569810b6fd29b934abfe48a8e8cd152d9b4a53169e138a759b5904a00

Download Submit
C:\Users\Admin\AppData\Roaming\D5AA.835

Filesize
996B

MD5
ea8c14e37e0254994450952e0131e856

SHA1
e7cb61b7a13f01fd8fce9b1d5e04e47242ad4c03

SHA256
645a82b47b98ed4e29109810aa48a04dd978cd3211fdebbdfb03adafe854aee7

SHA512
42c85c3c1441cc074f6960e576e27deeaf1c8fc363598af8c89843a0c12d57dc32534464c05491e09bae77d1a785855b8d9d3ff7cbb22a09df4592048f00e311

Download Submit
memory/1600-1-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/1600-2-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/1600-15-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/1600-191-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/1620-12-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/1620-14-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/1620-82-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/2840-84-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/2840-86-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download

Analysis

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