cycbot | 624a2696409f9e01e286dd43f06a98cf9653ef55175488869f94178c0dd9ffc5

General

Target

JaffaCakes118_4a76a2529b7b37fd848ce17c6142453f.exe
Size

170KB
MD5

4a76a2529b7b37fd848ce17c6142453f
SHA1

a9d9e24ba0094ae6b8e68899604d67c6445efeee
SHA256

624a2696409f9e01e286dd43f06a98cf9653ef55175488869f94178c0dd9ffc5
SHA512

433774e9ff4535c20feb34c58191e2ebd1bc103ad98bef15c3c2a80309b753c66dc05d3c323864c93addb6ec1532c36072db111704a673bc6acb638c43dec361
SSDEEP

3072:Tg5GjiQSVa4RcLv9kv2o2SPZaFygQqRIJpp6c3/Qxxvq/lCRc7lCXl1obsXW:OKiQGa4R/2SPZaFG5Jp0clN21obL

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/2652-8-0x0000000000400000-0x000000000046A000-memory.dmp	family_cycbot
behavioral1/memory/2124-16-0x0000000000400000-0x000000000046A000-memory.dmp	family_cycbot
behavioral1/memory/1040-80-0x0000000000400000-0x000000000046A000-memory.dmp	family_cycbot
behavioral1/memory/2124-191-0x0000000000400000-0x000000000046A000-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 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2124-2-0x0000000000400000-0x000000000046A000-memory.dmp	upx
behavioral1/memory/2652-6-0x0000000000400000-0x000000000046A000-memory.dmp	upx
behavioral1/memory/2652-8-0x0000000000400000-0x000000000046A000-memory.dmp	upx
behavioral1/memory/2124-16-0x0000000000400000-0x000000000046A000-memory.dmp	upx
behavioral1/memory/1040-80-0x0000000000400000-0x000000000046A000-memory.dmp	upx
behavioral1/memory/2124-191-0x0000000000400000-0x000000000046A000-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_4a76a2529b7b37fd848ce17c6142453f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_4a76a2529b7b37fd848ce17c6142453f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_4a76a2529b7b37fd848ce17c6142453f.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 2652	2124	JaffaCakes118_4a76a2529b7b37fd848ce17c6142453f.exe	30
PID 2124 wrote to memory of 2652	2124	JaffaCakes118_4a76a2529b7b37fd848ce17c6142453f.exe	30
PID 2124 wrote to memory of 2652	2124	JaffaCakes118_4a76a2529b7b37fd848ce17c6142453f.exe	30
PID 2124 wrote to memory of 2652	2124	JaffaCakes118_4a76a2529b7b37fd848ce17c6142453f.exe	30
PID 2124 wrote to memory of 1040	2124	JaffaCakes118_4a76a2529b7b37fd848ce17c6142453f.exe	32
PID 2124 wrote to memory of 1040	2124	JaffaCakes118_4a76a2529b7b37fd848ce17c6142453f.exe	32
PID 2124 wrote to memory of 1040	2124	JaffaCakes118_4a76a2529b7b37fd848ce17c6142453f.exe	32
PID 2124 wrote to memory of 1040	2124	JaffaCakes118_4a76a2529b7b37fd848ce17c6142453f.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4a76a2529b7b37fd848ce17c6142453f.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4a76a2529b7b37fd848ce17c6142453f.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2124
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4a76a2529b7b37fd848ce17c6142453f.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4a76a2529b7b37fd848ce17c6142453f.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2652
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4a76a2529b7b37fd848ce17c6142453f.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4a76a2529b7b37fd848ce17c6142453f.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1040

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\9297.B5D

Filesize
1KB

MD5
8afbcbbd2a79afcb48d82f5f04ade830

SHA1
c96e27445b75c5849350562da828bb6efe9875dc

SHA256
b44a97dc27f8a7fe8fefb82a310caa70391993deb049de02d0ef3313cbfbada1

SHA512
e01f71454d562196fee4a12384e668cec1d59faade3945a6d6383fbf7167e7aab0001bf83695c7a7a031604de902670186695c49030a258fc20d6413dc312369

Download Submit
C:\Users\Admin\AppData\Roaming\9297.B5D

Filesize
600B

MD5
369f4b6d0bbfb914957e9fb5edeebdef

SHA1
af0f9eabe29e04d3c1a2c98fccb7b730e78f784f

SHA256
84af6665f66e342bca5745cb2805b9cdf157588367960e47f31360174e62e243

SHA512
e1633851a686bee2a05eb52f6fac4e63e23859e14ddf50aa301e7f506dae433469dd8098ea9c629c40e84d7cc0e1b13d9721c9929cd3248ed6095979ecab09db

Download Submit
C:\Users\Admin\AppData\Roaming\9297.B5D

Filesize
996B

MD5
bfbe5cb6bd44efbcb2b9743b347f5c84

SHA1
7fdaa9f3f5d6b2d9f699cb060512d146f12db871

SHA256
42b94701cb23983681294a6963704bbca4e53a22d88732b6cdf7625d1cc468cb

SHA512
255f995611b9beefde5315658338554c8df306f6e6fe9e7c6dbd0813f9c7cc2a9c58a5f5e3f4f686dcddff601c4b9b69581e890052fc720d4bcb2a5c652aa48e

Download Submit
memory/1040-80-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2124-1-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2124-2-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2124-16-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2124-191-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2652-6-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2652-5-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2652-8-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download

Analysis

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