cycbot | 4e13b1d5ab5234f228658e47f7d02be93a172e01483bcc27c041516fd128b354

General

Target

JaffaCakes118_5790b8365cafa2868f4fe4af4b90ed21.exe
Size

187KB
MD5

5790b8365cafa2868f4fe4af4b90ed21
SHA1

52c2f9a4aef7bf8b7d700c631b148b14cbef59a6
SHA256

4e13b1d5ab5234f228658e47f7d02be93a172e01483bcc27c041516fd128b354
SHA512

1a58acc5f58fb233eefcc670a808b4284cb2d479312ed6557f32b6421b8d8e9cc3c8ed031c1252af3adf651667073e7d5d152dac532f884701136895752c67d9
SSDEEP

3072:7O/Rpeq71qplZ2+0wk3ilnB68X0YRNfBRdlQH03+7DFNEbS6LjamDlL6WS:7O/R9clZ2kiqNBRNfB5SPFSS63a8u

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/2152-11-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral1/memory/1620-12-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral1/memory/2652-81-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral1/memory/1620-192-0x0000000000400000-0x0000000000452000-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/1620-2-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/2152-11-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/1620-12-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/2652-79-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/2652-81-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/1620-192-0x0000000000400000-0x0000000000452000-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_5790b8365cafa2868f4fe4af4b90ed21.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_5790b8365cafa2868f4fe4af4b90ed21.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_5790b8365cafa2868f4fe4af4b90ed21.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1620 wrote to memory of 2152	1620	JaffaCakes118_5790b8365cafa2868f4fe4af4b90ed21.exe	30
PID 1620 wrote to memory of 2152	1620	JaffaCakes118_5790b8365cafa2868f4fe4af4b90ed21.exe	30
PID 1620 wrote to memory of 2152	1620	JaffaCakes118_5790b8365cafa2868f4fe4af4b90ed21.exe	30
PID 1620 wrote to memory of 2152	1620	JaffaCakes118_5790b8365cafa2868f4fe4af4b90ed21.exe	30
PID 1620 wrote to memory of 2652	1620	JaffaCakes118_5790b8365cafa2868f4fe4af4b90ed21.exe	32
PID 1620 wrote to memory of 2652	1620	JaffaCakes118_5790b8365cafa2868f4fe4af4b90ed21.exe	32
PID 1620 wrote to memory of 2652	1620	JaffaCakes118_5790b8365cafa2868f4fe4af4b90ed21.exe	32
PID 1620 wrote to memory of 2652	1620	JaffaCakes118_5790b8365cafa2868f4fe4af4b90ed21.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5790b8365cafa2868f4fe4af4b90ed21.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5790b8365cafa2868f4fe4af4b90ed21.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1620
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5790b8365cafa2868f4fe4af4b90ed21.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5790b8365cafa2868f4fe4af4b90ed21.exe startC:\Program Files (x86)\Internet Explorer\D3AC\6C8.exe%C:\Program Files (x86)\Internet Explorer\D3AC
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2152
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5790b8365cafa2868f4fe4af4b90ed21.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5790b8365cafa2868f4fe4af4b90ed21.exe startC:\Users\Admin\AppData\Roaming\C6A40\83ED3.exe%C:\Users\Admin\AppData\Roaming\C6A40
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2652

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\C6A40\0A5D.6A4

Filesize
600B

MD5
31401966a80eb3a47f79956c488de7de

SHA1
262cf7b2e2f51f2bc4e59ab9be1fc603eb7ce9bf

SHA256
f5bf851fb491a1ffc11d4658a3d0a7e169aa48a4a89196e74bb5477a8e25cb16

SHA512
2967ac6bdf38f42a4326ce49d7aae187095e8f9c10ec7d8281f42fda791fb5a55dbfc9aede8c957c53d6fb64c9cd094e7666fa9e38f9706e1f3787ac5d5bd5ae

Download Submit
C:\Users\Admin\AppData\Roaming\C6A40\0A5D.6A4

Filesize
1KB

MD5
a20e3a5bb0ec7221b2644f8a4a428ac8

SHA1
ebdd469aa7bee2365e9438761242566b6be59001

SHA256
4e777da4c52a85841d290e731098e4f8022f879443c0bb10f463010c199a96ac

SHA512
7c86934b750c2c5c73867a89e2f867af0da85ce3272782e0ab8d5d6fca6086e51bc352ed170f6bcc610f5dfd5e5430f9108c3c6395e1c19b2a192d4fea8e5cae

Download Submit
C:\Users\Admin\AppData\Roaming\C6A40\0A5D.6A4

Filesize
996B

MD5
939b60fe8d887d9f012a10fe16315827

SHA1
ee8dba78bcbfa8bcbafcb5aa10de85e17d46739a

SHA256
d70c3871324b171db2ba2f535ccb4ab17fc8296af9654df9abc76a41373be49a

SHA512
d86bc70a961b1fdd5612b749faddb6f207fe587023c125d01a815e359cf3f1f9a15249518f2c97c35795392bf31001bb3c06d9efc198f38bd61dee9ddffb6346

Download Submit
memory/1620-1-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1620-2-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1620-12-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1620-192-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2152-11-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2652-79-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2652-81-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download

Analysis

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