cycbot | c43f349c7fb54e71a0ca17f7cdfa1c5b34573b2a26f34ff7c5c76f56e34811a1

General

Target

JaffaCakes118_1ad3f5a7f0d8c70323c264aaca3fae3e.exe
Size

196KB
MD5

1ad3f5a7f0d8c70323c264aaca3fae3e
SHA1

8bdd6e9f3c9e51071c7555830f701654efa2188d
SHA256

c43f349c7fb54e71a0ca17f7cdfa1c5b34573b2a26f34ff7c5c76f56e34811a1
SHA512

8edfa8fbf6a6c5c9bd4c949a271d257123833747aea07a872742ee3ef117630c36095bdb1d2ab5ecd387a6a304302ce35c641b1058e0a491e48935d683ae8403
SSDEEP

3072:XvtwcCBIoBMgQnxoH5S2XTF/QbYKIAtfbsEbzR/3CXPt5g++u+nbU1NzrLUrwtR5:XFqLpgaZ5xWUAtf48x3a7nHiWLUm

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/2136-15-0x0000000000400000-0x0000000000471000-memory.dmp	family_cycbot
behavioral1/memory/804-16-0x0000000000400000-0x0000000000471000-memory.dmp	family_cycbot
behavioral1/memory/1948-90-0x0000000000400000-0x0000000000471000-memory.dmp	family_cycbot
behavioral1/memory/804-194-0x0000000000400000-0x0000000000471000-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/804-2-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral1/memory/2136-13-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral1/memory/2136-12-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral1/memory/2136-15-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral1/memory/804-16-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral1/memory/1948-88-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral1/memory/1948-90-0x0000000000400000-0x0000000000471000-memory.dmp	upx
behavioral1/memory/804-194-0x0000000000400000-0x0000000000471000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 1 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_1ad3f5a7f0d8c70323c264aaca3fae3e.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 804 wrote to memory of 2136	804	JaffaCakes118_1ad3f5a7f0d8c70323c264aaca3fae3e.exe	30
PID 804 wrote to memory of 2136	804	JaffaCakes118_1ad3f5a7f0d8c70323c264aaca3fae3e.exe	30
PID 804 wrote to memory of 2136	804	JaffaCakes118_1ad3f5a7f0d8c70323c264aaca3fae3e.exe	30
PID 804 wrote to memory of 2136	804	JaffaCakes118_1ad3f5a7f0d8c70323c264aaca3fae3e.exe	30
PID 804 wrote to memory of 1948	804	JaffaCakes118_1ad3f5a7f0d8c70323c264aaca3fae3e.exe	32
PID 804 wrote to memory of 1948	804	JaffaCakes118_1ad3f5a7f0d8c70323c264aaca3fae3e.exe	32
PID 804 wrote to memory of 1948	804	JaffaCakes118_1ad3f5a7f0d8c70323c264aaca3fae3e.exe	32
PID 804 wrote to memory of 1948	804	JaffaCakes118_1ad3f5a7f0d8c70323c264aaca3fae3e.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1ad3f5a7f0d8c70323c264aaca3fae3e.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1ad3f5a7f0d8c70323c264aaca3fae3e.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:804
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1ad3f5a7f0d8c70323c264aaca3fae3e.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1ad3f5a7f0d8c70323c264aaca3fae3e.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  PID:2136
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1ad3f5a7f0d8c70323c264aaca3fae3e.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1ad3f5a7f0d8c70323c264aaca3fae3e.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  PID:1948

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\65B8.433

Filesize
1KB

MD5
54d3f2cc2bde77307a498043acfdd3d2

SHA1
a1f09b755da1cdf1dc34791cf5cd12ebfc62485c

SHA256
e8c73015a54891462d32f6cee944cfdfd53d5f6bd876221b9b53b74db6b92656

SHA512
9b29c4977de873b4d48e976050d414d5840ee15d0eb0eef86f6b14f6baa62170037c941bce2f2d0e0c43f495802da7ad82d05255789583c46532cdc1fa8e79fa

Download Submit
C:\Users\Admin\AppData\Roaming\65B8.433

Filesize
1KB

MD5
46cca141ac69b93879ee006d09efefde

SHA1
17871424d2944e3d4841ae13e47247a4ae4b86f2

SHA256
841455ccc9976158e16cfd013fc5b0ce2f3087073d01a7a3371c2f08be53b0b0

SHA512
e9276e2a77784ba5d159ffdd8b6c3eed1db03cfed2677e58f4c779da3ad6b850098ddfe4e695ac4b0020f177f7686b7d4032fe5457cbe4afb04499a77b282679

Download Submit
C:\Users\Admin\AppData\Roaming\65B8.433

Filesize
600B

MD5
b95cf8118fceeddd885d9d6f7e8d2569

SHA1
9625bd230efd4647f8cb089ea1cef55d226dceef

SHA256
80af4f1081b9e6161d6c6037f95bbfa35954f2a107bdd67b44b16e6dc8532413

SHA512
d225d23f402fa8edd5468ae70b5185f11f39bbb0f58ad97bfdbfd32cc94cf95f906cd092410ef1b7c39e57e70f1ba1441e782d958f1df9c4b8acee8242c079ab

Download Submit
C:\Users\Admin\AppData\Roaming\65B8.433

Filesize
996B

MD5
3be8dabcfb99f0fcccc03f27db4715b7

SHA1
ce26d0606049a5aae09983cd51555dbb6ee4b429

SHA256
a327ca05337db1eba2552640b0f9321fb53b4ffa6c7bdaa50c94210f00d5b367

SHA512
3d6714b6f15bba37c337cfa73cbaf8b159d2595ab92334f897e0f9a390a01686770ec94ec8478bceecc5a9253e441e2e3070fc47fb35b098128ce85a4283323c

Download Submit
memory/804-1-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/804-2-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/804-194-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/804-16-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/1948-90-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/1948-87-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/1948-88-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/2136-15-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/2136-12-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download
memory/2136-13-0x0000000000400000-0x0000000000471000-memory.dmp

Filesize
452KB

Download

Analysis

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