cycbot | c552109f4c0af4ee213682bb75b7a39eece9b5988257f912d113ce8ce6d7fa9b

General

Target

JaffaCakes118_49a7ff66ac545021a059632d185d251a.exe
Size

216KB
MD5

49a7ff66ac545021a059632d185d251a
SHA1

b427c2ae1dd9247565727ad3d371a5d2acca5f0f
SHA256

c552109f4c0af4ee213682bb75b7a39eece9b5988257f912d113ce8ce6d7fa9b
SHA512

7015abb7e168bcd458420854a42dbdb12c3ec109b2453a358386428de6ae5dda105d7bce5b9de418c3b93c776202aaa6be37db5f222504b9dbe5a910c9b8d771
SSDEEP

6144:YiXpzLN8QHWmcDR0GPccD9rXw6sUmGKHv6G2w7A3Ez:bzh8QHW5VlUc5rLmtRz

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/2800-7-0x0000000000400000-0x000000000044F000-memory.dmp	family_cycbot
behavioral1/memory/2372-15-0x0000000000400000-0x000000000044F000-memory.dmp	family_cycbot
behavioral1/memory/3024-80-0x0000000000400000-0x000000000044F000-memory.dmp	family_cycbot
behavioral1/memory/2372-183-0x0000000000400000-0x000000000044F000-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/2372-2-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/memory/2800-5-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/memory/2800-7-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/memory/2372-15-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/memory/3024-78-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/memory/3024-80-0x0000000000400000-0x000000000044F000-memory.dmp	upx
behavioral1/memory/2372-183-0x0000000000400000-0x000000000044F000-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_49a7ff66ac545021a059632d185d251a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_49a7ff66ac545021a059632d185d251a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_49a7ff66ac545021a059632d185d251a.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 2800	2372	JaffaCakes118_49a7ff66ac545021a059632d185d251a.exe	30
PID 2372 wrote to memory of 2800	2372	JaffaCakes118_49a7ff66ac545021a059632d185d251a.exe	30
PID 2372 wrote to memory of 2800	2372	JaffaCakes118_49a7ff66ac545021a059632d185d251a.exe	30
PID 2372 wrote to memory of 2800	2372	JaffaCakes118_49a7ff66ac545021a059632d185d251a.exe	30
PID 2372 wrote to memory of 3024	2372	JaffaCakes118_49a7ff66ac545021a059632d185d251a.exe	32
PID 2372 wrote to memory of 3024	2372	JaffaCakes118_49a7ff66ac545021a059632d185d251a.exe	32
PID 2372 wrote to memory of 3024	2372	JaffaCakes118_49a7ff66ac545021a059632d185d251a.exe	32
PID 2372 wrote to memory of 3024	2372	JaffaCakes118_49a7ff66ac545021a059632d185d251a.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_49a7ff66ac545021a059632d185d251a.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_49a7ff66ac545021a059632d185d251a.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2372
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_49a7ff66ac545021a059632d185d251a.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_49a7ff66ac545021a059632d185d251a.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2800
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_49a7ff66ac545021a059632d185d251a.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_49a7ff66ac545021a059632d185d251a.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3024

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

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Downloads

C:\Users\Admin\AppData\Roaming\8021.F82

Filesize
1KB

MD5
515c78489d1a253d0b7ecbc1b6513ad1

SHA1
3b4ff3097c6c50ef74bf423b35f856ac71cb574f

SHA256
595d1cd39292969c134c4d40ac6201529a65e622695b6e38c547d5330834fef2

SHA512
5fb1cc3722b2ed03836ccd874ec6c1bad9cf4c0d32dc0916a58810c3a11bf9abc3a79a818434cb13b394766cac526043b80c46709d2904804c8ae8b8ddc0346e

Download Submit
C:\Users\Admin\AppData\Roaming\8021.F82

Filesize
600B

MD5
1b82e7a2044505fb4b7cd50341d6055d

SHA1
0a5a5624a5c3c25aa3202630a8240411f5ea0652

SHA256
424574c3281034720e711cec8a57939b45fe704e8f8a0818b560e3a569d12084

SHA512
c4ad418a2834c8e138d29fc94b84efaec8eba9899e45d9e51e5625d7181655203e0e87038f172bfa81d8b4fe9ce33fa194be7bc302df2db6dda916447e0f747c

Download Submit
C:\Users\Admin\AppData\Roaming\8021.F82

Filesize
996B

MD5
10fff07ccf55b78c1ba3999a2a3d2c3a

SHA1
2cf4017a7bad0055b45f4180068731dd17ca28bc

SHA256
27af743a78d298673b5558fafd544a7e2dc3dbd03c354f17e058e01303577a25

SHA512
75cf198abd26daa7d7ff0cf2ff61e523b77998a31cbf0bd93a2e10c782fd1d64412d298a7f3aba16dd96cb40b6c698c832c9047a402851c9d2bb850c3dc89463

Download Submit
memory/2372-1-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2372-2-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2372-15-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2372-183-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2800-5-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/2800-7-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/3024-78-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download
memory/3024-80-0x0000000000400000-0x000000000044F000-memory.dmp

Filesize
316KB

Download

Analysis

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