cycbot | bb3598874075cdc293c0aaa900b2efa29ff79c2adf3137da621544aaf8bdcaf6

General

Target

df31cff2d8ac144efd2ac5eeba14f27e_JaffaCakes118.exe
Size

197KB
MD5

df31cff2d8ac144efd2ac5eeba14f27e
SHA1

af17395efb7d677962daa589ad035240d96098f2
SHA256

bb3598874075cdc293c0aaa900b2efa29ff79c2adf3137da621544aaf8bdcaf6
SHA512

8332dfe419738f31b11b7c2db3e9e6edd7603df477aa18b2ce30b3dc7a9f667d1e0e61ba8de65c234e780141084582d0bc7f19de0ff37b681b4555b2946654d6
SSDEEP

6144:ZhGOF3Gh261K8G+mmWgGajCAB/rZmID2pNw:ZhGig1G0GajCAB/IDpNw

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/2776-5-0x0000000000400000-0x000000000044D000-memory.dmp	family_cycbot
behavioral1/memory/2524-12-0x0000000000400000-0x000000000044D000-memory.dmp	family_cycbot
behavioral1/memory/2896-81-0x0000000000400000-0x000000000044D000-memory.dmp	family_cycbot
behavioral1/memory/2524-185-0x0000000000400000-0x000000000044D000-memory.dmp	family_cycbot
behavioral1/memory/2524-222-0x0000000000400000-0x000000000044D000-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/2524-2-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/2776-5-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/2524-12-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/2896-80-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/2896-81-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/2524-185-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/2524-222-0x0000000000400000-0x000000000044D000-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	df31cff2d8ac144efd2ac5eeba14f27e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	df31cff2d8ac144efd2ac5eeba14f27e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	df31cff2d8ac144efd2ac5eeba14f27e_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2524 wrote to memory of 2776	2524	df31cff2d8ac144efd2ac5eeba14f27e_JaffaCakes118.exe	29
PID 2524 wrote to memory of 2776	2524	df31cff2d8ac144efd2ac5eeba14f27e_JaffaCakes118.exe	29
PID 2524 wrote to memory of 2776	2524	df31cff2d8ac144efd2ac5eeba14f27e_JaffaCakes118.exe	29
PID 2524 wrote to memory of 2776	2524	df31cff2d8ac144efd2ac5eeba14f27e_JaffaCakes118.exe	29
PID 2524 wrote to memory of 2896	2524	df31cff2d8ac144efd2ac5eeba14f27e_JaffaCakes118.exe	31
PID 2524 wrote to memory of 2896	2524	df31cff2d8ac144efd2ac5eeba14f27e_JaffaCakes118.exe	31
PID 2524 wrote to memory of 2896	2524	df31cff2d8ac144efd2ac5eeba14f27e_JaffaCakes118.exe	31
PID 2524 wrote to memory of 2896	2524	df31cff2d8ac144efd2ac5eeba14f27e_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\df31cff2d8ac144efd2ac5eeba14f27e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\df31cff2d8ac144efd2ac5eeba14f27e_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2524
- C:\Users\Admin\AppData\Local\Temp\df31cff2d8ac144efd2ac5eeba14f27e_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\df31cff2d8ac144efd2ac5eeba14f27e_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2776
- C:\Users\Admin\AppData\Local\Temp\df31cff2d8ac144efd2ac5eeba14f27e_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\df31cff2d8ac144efd2ac5eeba14f27e_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2896

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\96B6.77E

Filesize
1KB

MD5
a6b3504db2a1956cba6308f2619a2246

SHA1
2da5669acb3e4d94355675c61178faaf85d00417

SHA256
fa7934485fdf0b21fda677c0f60c93d7ee161242caec50a6f1c39865fdc75215

SHA512
d9ca9ac2542c5a882c60ad97d0b01d96d3673d39af3f37ec5cd00f3a58a213da9e09d5b676f353483d4d5fa38deb0e9d4b016d9af9db8ae82897787e81a4d0d7

Download Submit
C:\Users\Admin\AppData\Roaming\96B6.77E

Filesize
600B

MD5
e58dbdad81ae5f78b9d3200dd16b7494

SHA1
c9e02465bcc87585f914aa82e86f668c000bf348

SHA256
2d0c2f6c0be1ee3e31ea0e6b00915d1cdfb48b07e59b9f0903967fe0ffb86fee

SHA512
7f368c1caba92355494b984a72d872e6b50a574cda0f498ea643101125ca3aa5095a6a773d45518c457ecb67da7af3b5d714389fc1e9b7d925a8a01dd20744d3

Download Submit
C:\Users\Admin\AppData\Roaming\96B6.77E

Filesize
996B

MD5
61eace3049769b3d64bfdfc8cb3b3321

SHA1
7f3338ebb76333912c1584632685d7dcf50586c2

SHA256
37fb6af5c75c17bd5c6f19996cdf6b7f3fb4da3003666ac69486d1f62e50c1a5

SHA512
a765b4ed0a8c3afe1eff27fbf4232c6e35243e71658c0ed431654cff4bbcbf6f1c3c029b97a4eff3879fb86814d4bd4f0fe8fe68115d6f6e9d4ed750b257d687

Download Submit
memory/2524-1-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2524-2-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2524-12-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2524-185-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2524-222-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2776-5-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2896-80-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2896-81-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download

Analysis

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