cycbot | a945f3a101968236ba164b2a00ed13e8c17e3cbea123f7a3ffbd3bd67857ccf2

General

Target

JaffaCakes118_9bfd2fa6615a52ed3eaf3865627643eb.exe
Size

171KB
MD5

9bfd2fa6615a52ed3eaf3865627643eb
SHA1

13874330431da3bbc3033774f9d5cc9ceba30f34
SHA256

a945f3a101968236ba164b2a00ed13e8c17e3cbea123f7a3ffbd3bd67857ccf2
SHA512

dc0f6d0e63cb7aac263c115e5fdc161511cd221533f84c2781e6aacabc8bd11731c9e3621a52e614e185981e96d3a6cfd778b4e3a2c9e9ba7352f278de53151c
SSDEEP

3072:shiTm3SUAh+GU1wijPj3IpgdKxLTTsatKOOy+:sPf4cC4UpgdiHTsoYy+

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/2828-15-0x0000000000400000-0x000000000046B000-memory.dmp	family_cycbot
behavioral1/memory/2828-16-0x0000000000400000-0x000000000046B000-memory.dmp	family_cycbot
behavioral1/memory/2660-21-0x0000000000400000-0x000000000046B000-memory.dmp	family_cycbot
behavioral1/memory/2264-95-0x0000000000400000-0x000000000046B000-memory.dmp	family_cycbot
behavioral1/memory/2660-203-0x0000000000400000-0x000000000046B000-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/2660-2-0x0000000000400000-0x000000000046B000-memory.dmp	upx
behavioral1/memory/2828-15-0x0000000000400000-0x000000000046B000-memory.dmp	upx
behavioral1/memory/2828-13-0x0000000000400000-0x000000000046B000-memory.dmp	upx
behavioral1/memory/2828-16-0x0000000000400000-0x000000000046B000-memory.dmp	upx
behavioral1/memory/2660-21-0x0000000000400000-0x000000000046B000-memory.dmp	upx
behavioral1/memory/2264-95-0x0000000000400000-0x000000000046B000-memory.dmp	upx
behavioral1/memory/2660-203-0x0000000000400000-0x000000000046B000-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_9bfd2fa6615a52ed3eaf3865627643eb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_9bfd2fa6615a52ed3eaf3865627643eb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_9bfd2fa6615a52ed3eaf3865627643eb.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2660 wrote to memory of 2828	2660	JaffaCakes118_9bfd2fa6615a52ed3eaf3865627643eb.exe	30
PID 2660 wrote to memory of 2828	2660	JaffaCakes118_9bfd2fa6615a52ed3eaf3865627643eb.exe	30
PID 2660 wrote to memory of 2828	2660	JaffaCakes118_9bfd2fa6615a52ed3eaf3865627643eb.exe	30
PID 2660 wrote to memory of 2828	2660	JaffaCakes118_9bfd2fa6615a52ed3eaf3865627643eb.exe	30
PID 2660 wrote to memory of 2264	2660	JaffaCakes118_9bfd2fa6615a52ed3eaf3865627643eb.exe	32
PID 2660 wrote to memory of 2264	2660	JaffaCakes118_9bfd2fa6615a52ed3eaf3865627643eb.exe	32
PID 2660 wrote to memory of 2264	2660	JaffaCakes118_9bfd2fa6615a52ed3eaf3865627643eb.exe	32
PID 2660 wrote to memory of 2264	2660	JaffaCakes118_9bfd2fa6615a52ed3eaf3865627643eb.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9bfd2fa6615a52ed3eaf3865627643eb.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9bfd2fa6615a52ed3eaf3865627643eb.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2660
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9bfd2fa6615a52ed3eaf3865627643eb.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9bfd2fa6615a52ed3eaf3865627643eb.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2828
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9bfd2fa6615a52ed3eaf3865627643eb.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9bfd2fa6615a52ed3eaf3865627643eb.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2264

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\D8BA.852

Filesize
597B

MD5
b300625677b76d18283d67381fec1558

SHA1
548b3725cba23c1c7ee12c13612586289f43af1c

SHA256
d7e221137329a0ac1f44c66d8fed1ef9c24255ee6f74043c21818e00d396f593

SHA512
41871cd2ce41f1c8291be2053cb511508f70bc4543ca5a503b84d9497b78c7169dc73b031731277597277acbdbf06ea8feca64420888f38497ec6ac43314e285

Download Submit
C:\Users\Admin\AppData\Roaming\D8BA.852

Filesize
1KB

MD5
4a1cdd3b3fe11e4a2764929dcdc081b2

SHA1
c60ce779c2a1b4a0b309057bb0ff8a8617a26268

SHA256
6b00f2bcb46cbdd68ae84d764ef43a05eb2e4976383f4faecd210603db891430

SHA512
72824942381f7880f3941806f40257e86d589c7227f7bb74a836b6713ead37d2cf441624aca089f65f83f427e0287cc66112bf78f6f22917e9b0f4935dba4401

Download Submit
C:\Users\Admin\AppData\Roaming\D8BA.852

Filesize
897B

MD5
086c53ecbf18a024c550f2b9134482b5

SHA1
7236b7dc563ca694d3085ade8e2c3f46806dfa1b

SHA256
b6e18c0a2d1ca3fac4d4031d702acb59cf8ca8b55ad8bedc483d7c86ca80d813

SHA512
98ce729bb934cda66ac351997dc6a120bc4c1186937988e895dff138081431a72eaf7cb93a36ceb66a4b2f9bbcb1b536bea7de93a3f3a13db49fdd80cd62d6d2

Download Submit
C:\Users\Admin\AppData\Roaming\D8BA.852

Filesize
1KB

MD5
23fe3dc3dbd59bde07cd5053d8d4bb19

SHA1
7f2b9e0dc7839a78afdd85c163a899b470050ebd

SHA256
846fd709fb9199ead19de10682a443a9c6ecee0c57eea21cd4c8cff8a67ad414

SHA512
620aa1f747178a5fb1f235cbc11696d188b00ab02464231c265271e3466a5dbcd2c33c608a0a65467c8de6259bab7478eab48e04ba2e5695891dffd1a51a80b2

Download Submit
memory/2264-95-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2264-94-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2660-21-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2660-1-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2660-2-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2660-203-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2828-16-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2828-13-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2828-15-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download

Analysis

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