cycbot | 2b02a3c464a48b7d0502795f384ac3899b59898eec43f9106ff6255bbe2ecf7c

General

Target

JaffaCakes118_98763b1279941e8d5f90a49595ac7770.exe
Size

197KB
MD5

98763b1279941e8d5f90a49595ac7770
SHA1

2e22716c3a7f609fd4709a5d4ac6642c64a5830c
SHA256

2b02a3c464a48b7d0502795f384ac3899b59898eec43f9106ff6255bbe2ecf7c
SHA512

106b9f6c64fe6c80b8289a3b8b213a43cd221ee4f6505330e6bf56195c838f04a51c1082a33aba0c8636b73c2c75b3dfbd3c846a9da7f12294501a665072f5c3
SSDEEP

3072:v3euxLISosUtKEyFLU+yKRAWebBdSgDsaImy/f//yHmnQ0/RjZT23l9u2vGG:vS6EyDVefS9vkt0/6nfvj

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/2380-7-0x0000000000400000-0x000000000046A000-memory.dmp	family_cycbot
behavioral1/memory/2652-15-0x0000000000400000-0x000000000046A000-memory.dmp	family_cycbot
behavioral1/memory/1612-79-0x0000000000400000-0x000000000046A000-memory.dmp	family_cycbot
behavioral1/memory/2652-168-0x0000000000400000-0x000000000046A000-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 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2652-2-0x0000000000400000-0x000000000046A000-memory.dmp	upx
behavioral1/memory/2380-5-0x0000000000400000-0x000000000046A000-memory.dmp	upx
behavioral1/memory/2380-7-0x0000000000400000-0x000000000046A000-memory.dmp	upx
behavioral1/memory/2652-15-0x0000000000400000-0x000000000046A000-memory.dmp	upx
behavioral1/memory/1612-77-0x0000000000400000-0x000000000046A000-memory.dmp	upx
behavioral1/memory/1612-79-0x0000000000400000-0x000000000046A000-memory.dmp	upx
behavioral1/memory/2652-168-0x0000000000400000-0x000000000046A000-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_98763b1279941e8d5f90a49595ac7770.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_98763b1279941e8d5f90a49595ac7770.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_98763b1279941e8d5f90a49595ac7770.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2652 wrote to memory of 2380	2652	JaffaCakes118_98763b1279941e8d5f90a49595ac7770.exe	30
PID 2652 wrote to memory of 2380	2652	JaffaCakes118_98763b1279941e8d5f90a49595ac7770.exe	30
PID 2652 wrote to memory of 2380	2652	JaffaCakes118_98763b1279941e8d5f90a49595ac7770.exe	30
PID 2652 wrote to memory of 2380	2652	JaffaCakes118_98763b1279941e8d5f90a49595ac7770.exe	30
PID 2652 wrote to memory of 1612	2652	JaffaCakes118_98763b1279941e8d5f90a49595ac7770.exe	32
PID 2652 wrote to memory of 1612	2652	JaffaCakes118_98763b1279941e8d5f90a49595ac7770.exe	32
PID 2652 wrote to memory of 1612	2652	JaffaCakes118_98763b1279941e8d5f90a49595ac7770.exe	32
PID 2652 wrote to memory of 1612	2652	JaffaCakes118_98763b1279941e8d5f90a49595ac7770.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_98763b1279941e8d5f90a49595ac7770.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_98763b1279941e8d5f90a49595ac7770.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2652
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_98763b1279941e8d5f90a49595ac7770.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_98763b1279941e8d5f90a49595ac7770.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2380
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_98763b1279941e8d5f90a49595ac7770.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_98763b1279941e8d5f90a49595ac7770.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1612

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\A7DC.F37

Filesize
600B

MD5
3fb8dcbb905b399c4a7c1aa58379639d

SHA1
f360ac8b14532a174b96ddf2454d139acd759253

SHA256
c7dee45a5c8ef61f85aebd04955ebba9a39d311cfdb33688e4efc6bc2afe6c0e

SHA512
cabfc375be06c8fb693d12fd4b259edf10413405533170bd479baf0ad9806d5beb35c84ae527222675b4fd73688f93e2ba67955ed30e810c5412bc0c66ebf439

Download Submit
memory/1612-77-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/1612-79-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2380-5-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2380-7-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2652-1-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2652-2-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2652-15-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/2652-168-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download

Analysis

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