cycbot | bebfe37c8edff65e3bace2e991a54af372b9677198c85ae778299ad4b64453fa

General

Target

JaffaCakes118_4a8ae46e15f3c189c7829e43a023f664.exe
Size

180KB
MD5

4a8ae46e15f3c189c7829e43a023f664
SHA1

63c6aa0923929b65745d4ba83ae16039d79681b8
SHA256

bebfe37c8edff65e3bace2e991a54af372b9677198c85ae778299ad4b64453fa
SHA512

396e2e5c2a565535ca1b6cd7d708baa72c432def534a576c04037cfa8a44a535f8d986a1028cdf5217b47e55074c1fa26e9f6b79fb03c7aed0b1b6c0fea2c615
SSDEEP

3072:raIMxroyFh6rnmXowjgpfK0EBrRZ0WvBY1QiGAojuJwBj4GLrw2bwvDY8s:r/8o5nwowafKjrLS1OCJsfVGJ

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 5 IoCs

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

resource	yara_rule
behavioral1/memory/2720-13-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2244-14-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2244-15-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral1/memory/1748-124-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2244-291-0x0000000000400000-0x0000000000455000-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 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2244-2-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2720-12-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2720-13-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2244-14-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2244-15-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/1748-124-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2244-291-0x0000000000400000-0x0000000000455000-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_4a8ae46e15f3c189c7829e43a023f664.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_4a8ae46e15f3c189c7829e43a023f664.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_4a8ae46e15f3c189c7829e43a023f664.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2244 wrote to memory of 2720	2244	JaffaCakes118_4a8ae46e15f3c189c7829e43a023f664.exe	30
PID 2244 wrote to memory of 2720	2244	JaffaCakes118_4a8ae46e15f3c189c7829e43a023f664.exe	30
PID 2244 wrote to memory of 2720	2244	JaffaCakes118_4a8ae46e15f3c189c7829e43a023f664.exe	30
PID 2244 wrote to memory of 2720	2244	JaffaCakes118_4a8ae46e15f3c189c7829e43a023f664.exe	30
PID 2244 wrote to memory of 1748	2244	JaffaCakes118_4a8ae46e15f3c189c7829e43a023f664.exe	32
PID 2244 wrote to memory of 1748	2244	JaffaCakes118_4a8ae46e15f3c189c7829e43a023f664.exe	32
PID 2244 wrote to memory of 1748	2244	JaffaCakes118_4a8ae46e15f3c189c7829e43a023f664.exe	32
PID 2244 wrote to memory of 1748	2244	JaffaCakes118_4a8ae46e15f3c189c7829e43a023f664.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4a8ae46e15f3c189c7829e43a023f664.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4a8ae46e15f3c189c7829e43a023f664.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2244
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4a8ae46e15f3c189c7829e43a023f664.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4a8ae46e15f3c189c7829e43a023f664.exe startC:\Program Files (x86)\LP\A50A\533.exe%C:\Program Files (x86)\LP\A50A
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2720
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4a8ae46e15f3c189c7829e43a023f664.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4a8ae46e15f3c189c7829e43a023f664.exe startC:\Users\Admin\AppData\Roaming\AB822\733A5.exe%C:\Users\Admin\AppData\Roaming\AB822
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1748

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\AB822\2503.B82

Filesize
996B

MD5
7388f2b6694429cafd0a2d99899a7898

SHA1
85e859d4afec12b59b2cf6ba0344ccfd0a4f1c93

SHA256
85af9eb49fb0d08368f355775341f733c667932400bd172475671ed392790f93

SHA512
82790a0fd4faf276c85e9fe511204f20beb21ca3b812a6b2075073891a8a3db5374feffb8157399a83f4d71ceb95b3790cc569678dc194058179063a772df528

Download Submit
C:\Users\Admin\AppData\Roaming\AB822\2503.B82

Filesize
600B

MD5
779e930ed8bc834a5106bf7df822c4b0

SHA1
e0b15fc1895aaa7535d9404066430213b95fd303

SHA256
6f1dd1a7e4c4fb27b56b18180c254657cde81eb0b3c18f320ef45c6700e24da3

SHA512
fb4cfc6a3ed4a39b5a7f86a22472c8bc2b284002ff4af635a9d7a20b11b8ae35180c8b0bcb4b8a3ecb697e3e1b724e189b96f48365a317d0283c9b4524f01333

Download Submit
C:\Users\Admin\AppData\Roaming\AB822\2503.B82

Filesize
1KB

MD5
b1acbbd5b61104fed542ca4cf6e55331

SHA1
5e43e7a64e7b21bcda38534fea4d25e910b2869b

SHA256
6aa9795141b4ad18a4f97b10f20c15aebfe0614c5d3106509594301ce9fb704a

SHA512
73652edec2c8211376059ab55259b4a270307cd76599dc6a3b7f2a95930e028461c69362a3214e57b7b12d5b58766e571c28dd0902769d1438f833a0391d9ac1

Download Submit
memory/1748-124-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2244-1-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2244-2-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2244-14-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2244-15-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2244-291-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2720-12-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2720-11-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2720-13-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

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