cycbot | 634640d05939c5e3043a290eb6347fc027c88396ff3e84068bc9fd728322312b

General

Target

JaffaCakes118_4ca68bcb4f7534bda135b8c0faadb6de.exe
Size

175KB
MD5

4ca68bcb4f7534bda135b8c0faadb6de
SHA1

e369eff20ac6ced7b390d4b2ad3d12a7596f9d4e
SHA256

634640d05939c5e3043a290eb6347fc027c88396ff3e84068bc9fd728322312b
SHA512

71414ad7fa589f825c3fe82ed470b8496dc2a6b4c861060f019c6b5ba1356adf395faabb0658f6872d57aa1734773820092c259189ef1a8af8f76668859aa05d
SSDEEP

3072:MHPMWaUGlVVA7AimxbMe8g668A4Km+u+vnL3KAmH:OkWanNA7A1598/AqPSI

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 6 IoCs

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

resource	yara_rule
behavioral1/memory/2884-15-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2108-16-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2108-17-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral1/memory/1808-120-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/1808-121-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2108-276-0x0000000000400000-0x0000000000455000-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 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2108-3-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2884-14-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2884-13-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2884-15-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2108-16-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2108-17-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/1808-120-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/1808-121-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2108-276-0x0000000000400000-0x0000000000455000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 1 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_4ca68bcb4f7534bda135b8c0faadb6de.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2108 wrote to memory of 2884	2108	JaffaCakes118_4ca68bcb4f7534bda135b8c0faadb6de.exe	30
PID 2108 wrote to memory of 2884	2108	JaffaCakes118_4ca68bcb4f7534bda135b8c0faadb6de.exe	30
PID 2108 wrote to memory of 2884	2108	JaffaCakes118_4ca68bcb4f7534bda135b8c0faadb6de.exe	30
PID 2108 wrote to memory of 2884	2108	JaffaCakes118_4ca68bcb4f7534bda135b8c0faadb6de.exe	30
PID 2108 wrote to memory of 1808	2108	JaffaCakes118_4ca68bcb4f7534bda135b8c0faadb6de.exe	32
PID 2108 wrote to memory of 1808	2108	JaffaCakes118_4ca68bcb4f7534bda135b8c0faadb6de.exe	32
PID 2108 wrote to memory of 1808	2108	JaffaCakes118_4ca68bcb4f7534bda135b8c0faadb6de.exe	32
PID 2108 wrote to memory of 1808	2108	JaffaCakes118_4ca68bcb4f7534bda135b8c0faadb6de.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4ca68bcb4f7534bda135b8c0faadb6de.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4ca68bcb4f7534bda135b8c0faadb6de.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2108
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4ca68bcb4f7534bda135b8c0faadb6de.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4ca68bcb4f7534bda135b8c0faadb6de.exe startC:\Program Files (x86)\LP\0483\FF6.exe%C:\Program Files (x86)\LP\0483
  2⤵
  PID:2884
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4ca68bcb4f7534bda135b8c0faadb6de.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4ca68bcb4f7534bda135b8c0faadb6de.exe startC:\Users\Admin\AppData\Roaming\31AD0\BE204.exe%C:\Users\Admin\AppData\Roaming\31AD0
  2⤵
  PID:1808

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\31AD0\0100.1AD

Filesize
996B

MD5
be31718859b1cee9f4d4296d32c9a620

SHA1
7f8166a3be05d3efe24c4873229e7a6539b34d2c

SHA256
6791690f5e27cc3bb16c10dc42dc663a21b4c3ec82e1da60a0371dbb1b389fec

SHA512
6e01df09d6270b7410da20091103dc1b4d0596f96866dc4bbcdccd043ed9d5ec3077e400f9f3c8e1a53a2b38afdbfc148202fe4fa427ac34bbc4af7a6426bcc4

Download Submit
C:\Users\Admin\AppData\Roaming\31AD0\0100.1AD

Filesize
600B

MD5
05a7e90d07077a0d3209ceae5fdb6384

SHA1
c8e79e3eb6c26c5f20d15700f3f2430070afa220

SHA256
bafc2e9b29d32c8f6e3143c802d1b0000c837ebf3f3bcec0e4f2a5565cabd948

SHA512
c0c3726a156b5cd5830cb1803bfe7b455e4a0f2d04d82c737df5001ea5f62d534c3bfb5d5ef4c2339564c583d65fba30674c2042dd8cd8f95a6fdf57ab946342

Download Submit
C:\Users\Admin\AppData\Roaming\31AD0\0100.1AD

Filesize
1KB

MD5
e3265e8225ef21fb1dc0a6f6961cd975

SHA1
6d946cd47f12a34991f51ec8ba5082ecb580bf17

SHA256
937ee979d676d22cba9e745db6e39902ec8c5ef482d84818b785a8f2fcd10c10

SHA512
2354f09508856513c49fda4d2617bb3cb097d32de2a2039ba11f2f618c2ab76582f0ddf2f27ad4ee8e8868e8aef4c3e264ed5fadefcc292cd080f57dfe62227d

Download Submit
memory/1808-121-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1808-119-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1808-120-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2108-16-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2108-17-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2108-0-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2108-3-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2108-2-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2108-276-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2884-15-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2884-13-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2884-14-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

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