cycbot | 19306c18d6426d49be40d2f210d185128ff0ad21d6ceb0ef6f6a82b333d2b912

General

Target

JaffaCakes118_93874d928c1ced8a29c6c90793a9ade4.exe
Size

192KB
MD5

93874d928c1ced8a29c6c90793a9ade4
SHA1

047855b976eec09361ba9aa670ec7ca03172aebd
SHA256

19306c18d6426d49be40d2f210d185128ff0ad21d6ceb0ef6f6a82b333d2b912
SHA512

c0bc1c2649015217bec4dd4c1ad1342d6963480ab8e0ce4a026c14358d05eb63d83c06f5ef685061c612325fc83e9895e88397f63815c8516e7cdf592d03efe2
SSDEEP

3072:ECvA9JLl+1qsEWtM4h3phexdNgPmmbwUgwEdKge/OWIj0KF7c5UXJRLKz0o:ECAjsEWtM83/MdNgembydK9jIYxUZVKB

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/2812-11-0x0000000000400000-0x0000000000447000-memory.dmp	family_cycbot
behavioral1/memory/2776-17-0x0000000000400000-0x0000000000447000-memory.dmp	family_cycbot
behavioral1/memory/2196-84-0x0000000000400000-0x0000000000447000-memory.dmp	family_cycbot
behavioral1/memory/2776-173-0x0000000000400000-0x0000000000447000-memory.dmp	family_cycbot
behavioral1/memory/2776-216-0x0000000000400000-0x0000000000447000-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 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2776-2-0x0000000000400000-0x0000000000447000-memory.dmp	upx
behavioral1/memory/2812-11-0x0000000000400000-0x0000000000447000-memory.dmp	upx
behavioral1/memory/2776-17-0x0000000000400000-0x0000000000447000-memory.dmp	upx
behavioral1/memory/2196-83-0x0000000000400000-0x0000000000447000-memory.dmp	upx
behavioral1/memory/2196-85-0x0000000000400000-0x0000000000447000-memory.dmp	upx
behavioral1/memory/2196-84-0x0000000000400000-0x0000000000447000-memory.dmp	upx
behavioral1/memory/2776-173-0x0000000000400000-0x0000000000447000-memory.dmp	upx
behavioral1/memory/2776-216-0x0000000000400000-0x0000000000447000-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_93874d928c1ced8a29c6c90793a9ade4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_93874d928c1ced8a29c6c90793a9ade4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_93874d928c1ced8a29c6c90793a9ade4.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2776 wrote to memory of 2812	2776	JaffaCakes118_93874d928c1ced8a29c6c90793a9ade4.exe	30
PID 2776 wrote to memory of 2812	2776	JaffaCakes118_93874d928c1ced8a29c6c90793a9ade4.exe	30
PID 2776 wrote to memory of 2812	2776	JaffaCakes118_93874d928c1ced8a29c6c90793a9ade4.exe	30
PID 2776 wrote to memory of 2812	2776	JaffaCakes118_93874d928c1ced8a29c6c90793a9ade4.exe	30
PID 2776 wrote to memory of 2196	2776	JaffaCakes118_93874d928c1ced8a29c6c90793a9ade4.exe	32
PID 2776 wrote to memory of 2196	2776	JaffaCakes118_93874d928c1ced8a29c6c90793a9ade4.exe	32
PID 2776 wrote to memory of 2196	2776	JaffaCakes118_93874d928c1ced8a29c6c90793a9ade4.exe	32
PID 2776 wrote to memory of 2196	2776	JaffaCakes118_93874d928c1ced8a29c6c90793a9ade4.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_93874d928c1ced8a29c6c90793a9ade4.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_93874d928c1ced8a29c6c90793a9ade4.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2776
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_93874d928c1ced8a29c6c90793a9ade4.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_93874d928c1ced8a29c6c90793a9ade4.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2812
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_93874d928c1ced8a29c6c90793a9ade4.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_93874d928c1ced8a29c6c90793a9ade4.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2196

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\099F.E4C

Filesize
897B

MD5
495b2baef495e1c9892b252112781c60

SHA1
f38b7a28bab8837642770de34d06b010f2d68568

SHA256
d2daf7d78d5c8bb02a7c2430dfbb415db347f278eee11dc86c6ec860bd161c29

SHA512
cb19b73811ccf9a8ce8a8f70eea20b6b7c0ce554e310bdde9c075e20f48e123783ce82f35ded47e19420b2d1ef3a4b4a96f38fe4445d99727967899d04e84560

Download Submit
C:\Users\Admin\AppData\Roaming\099F.E4C

Filesize
597B

MD5
60f4e5cc26010247341e5365acbe482d

SHA1
49e582c8712e9de17bebd95e2ab3c3c42b6f7811

SHA256
5946ea5f0dfa16c61ecfc00c811565ce9200c3d7ff2e9b3e91cd00b571e852af

SHA512
a9ef243d43e6cbed33b293203122df2b9afaaf1f7f0fbbd47674124585a6667e59a0ea62751ffd8bc717c6b0285b28d941ddbb7b4590cfad9e256e791dabd01e

Download Submit
C:\Users\Admin\AppData\Roaming\099F.E4C

Filesize
1KB

MD5
e03c7b98d76d12900f174380a675e24f

SHA1
e579c40f5342963474302b29447516882aeb4c13

SHA256
2c829d2fcfd037aa76f5fa9870d80577c8a5ab29884c44a2ecb17ff2431ede5e

SHA512
76e87572825ec8a9c2bbea7d8371d6e0a0d65301f2de1a5b187cafd8cf954e42cb8f47eb1833873241faa045b91b923b98f9d2b040de8ebb2e0f070b59d4d5cd

Download Submit
memory/2196-83-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/2196-85-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/2196-84-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/2776-2-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/2776-1-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/2776-17-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/2776-173-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/2776-216-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/2812-11-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download

Analysis

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