cycbot | 1e1a8648fcc1824877f31835fee9f0950898ace33eec5c19680b9afda1245344

General

Target

JaffaCakes118_db841c103fcec7a3e45a1c2857e5ebc6.exe
Size

191KB
MD5

db841c103fcec7a3e45a1c2857e5ebc6
SHA1

5efae0cad307e966149fac21ee8bd375526fe38b
SHA256

1e1a8648fcc1824877f31835fee9f0950898ace33eec5c19680b9afda1245344
SHA512

6a16551a180c8217ac2f7491a7a4404ee748784d79be1df18d15f1380f6f10f39910ee0338611ccd0f020e48a38898c31da92c932f44eb3ef8a0772d82988bf3
SSDEEP

3072:67R597U/Fh0r2AtnrIuxR/BO6TWfgUu1mPNwaRcXmEwMoOf68e89M2:67R597U/LKtnr7BOFgUpPhcXmEEOU8

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/808-14-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2376-15-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2376-16-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral1/memory/1252-115-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2376-286-0x0000000000400000-0x0000000000455000-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/2376-2-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/808-14-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/808-13-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2376-15-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2376-16-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/1252-113-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/1252-115-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2376-286-0x0000000000400000-0x0000000000455000-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_db841c103fcec7a3e45a1c2857e5ebc6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_db841c103fcec7a3e45a1c2857e5ebc6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_db841c103fcec7a3e45a1c2857e5ebc6.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2376 wrote to memory of 808	2376	JaffaCakes118_db841c103fcec7a3e45a1c2857e5ebc6.exe	30
PID 2376 wrote to memory of 808	2376	JaffaCakes118_db841c103fcec7a3e45a1c2857e5ebc6.exe	30
PID 2376 wrote to memory of 808	2376	JaffaCakes118_db841c103fcec7a3e45a1c2857e5ebc6.exe	30
PID 2376 wrote to memory of 808	2376	JaffaCakes118_db841c103fcec7a3e45a1c2857e5ebc6.exe	30
PID 2376 wrote to memory of 1252	2376	JaffaCakes118_db841c103fcec7a3e45a1c2857e5ebc6.exe	32
PID 2376 wrote to memory of 1252	2376	JaffaCakes118_db841c103fcec7a3e45a1c2857e5ebc6.exe	32
PID 2376 wrote to memory of 1252	2376	JaffaCakes118_db841c103fcec7a3e45a1c2857e5ebc6.exe	32
PID 2376 wrote to memory of 1252	2376	JaffaCakes118_db841c103fcec7a3e45a1c2857e5ebc6.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_db841c103fcec7a3e45a1c2857e5ebc6.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_db841c103fcec7a3e45a1c2857e5ebc6.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2376
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_db841c103fcec7a3e45a1c2857e5ebc6.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_db841c103fcec7a3e45a1c2857e5ebc6.exe startC:\Program Files (x86)\LP\43CD\BF8.exe%C:\Program Files (x86)\LP\43CD
  2⤵
  - System Location Discovery: System Language Discovery
  PID:808
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_db841c103fcec7a3e45a1c2857e5ebc6.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_db841c103fcec7a3e45a1c2857e5ebc6.exe startC:\Users\Admin\AppData\Roaming\DE068\3CD43.exe%C:\Users\Admin\AppData\Roaming\DE068
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1252

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\DE068\8D64.E06

Filesize
996B

MD5
949522a3688578faeda2a859db86e116

SHA1
b1dc3a2c3c41c9767e7bb72b119423b652eb4d77

SHA256
108012475ec33e914bd51e147d53c5313c335895d34d1f3ff1d6a4767e1ae2f5

SHA512
5924435f50bc1c72065883c99db3cc3c35416762642775a8abad1f898603a0bcc5faf244d38e42013a723addd72476169e91c206ce9e9d2fc0b2347ec361e7f5

Download Submit
C:\Users\Admin\AppData\Roaming\DE068\8D64.E06

Filesize
600B

MD5
2520b9e7a5f8f8496de83cbbeaef18ab

SHA1
66b8dfcf14621520612189b7f16c3fe3896a5b1e

SHA256
0a74c216fb308b9387864e0c4ede4745a88d5f54206059d2167f311ed0e4a0a8

SHA512
0a27c093e4ae2ec5998af757980a292c860f430ef20433eec5017c500be45c14b6a8d6f85e2c0765136e792dbaad4ea2ad8531365bc513c5aeb5f149f08c4338

Download Submit
C:\Users\Admin\AppData\Roaming\DE068\8D64.E06

Filesize
1KB

MD5
4c4325fa3357f8644afa835360056df5

SHA1
3f312170b2dd3d7b0e41ee73a7a5baa4f0247d5e

SHA256
bd722237a83cbb3bfe351012838af4f09a0d1653d698eb346391797aa9d69116

SHA512
9e9e40ea5292929e50efff0f07bb87cb38b4b30061988d41811f5a7ade3a15e03915365cb6d743ffb35c62657bf307eec4d1e65fce0b406d9f17a7ca38faf2e8

Download Submit
memory/808-11-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/808-14-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/808-13-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1252-115-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1252-113-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2376-16-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2376-1-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2376-15-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2376-2-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2376-286-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

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