cycbot | d7e0f5af93d083b9346ee2c4cd6b972f2c597b14fe4d4e4db8eda5b4fd30a802

General

Target

JaffaCakes118_40e01e24f7f6da6f3a53da50e54f9187.exe
Size

192KB
MD5

40e01e24f7f6da6f3a53da50e54f9187
SHA1

a4f70eca299a2bbe9c238d3b35ba6eff0e7c7fbf
SHA256

d7e0f5af93d083b9346ee2c4cd6b972f2c597b14fe4d4e4db8eda5b4fd30a802
SHA512

bd0e6bc15b73f59b154dcbd003510fbe2ad03ecc8bbf3f5bad830667e9f742612c521d5c010f6ef1bbc881c7fd6d2aa761188a12062fecf809518e03d3ee13d5
SSDEEP

6144:UjW8x6XKUCuxWNLw+i8qo1InMybISNqm5:gxApW18bL5

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/1152-9-0x0000000000400000-0x0000000000447000-memory.dmp	family_cycbot
behavioral1/memory/768-19-0x0000000000400000-0x0000000000447000-memory.dmp	family_cycbot
behavioral1/memory/2672-81-0x0000000000400000-0x0000000000447000-memory.dmp	family_cycbot
behavioral1/memory/768-173-0x0000000000400000-0x0000000000447000-memory.dmp	family_cycbot
behavioral1/memory/768-202-0x0000000000400000-0x0000000000447000-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/768-2-0x0000000000400000-0x0000000000447000-memory.dmp	upx
behavioral1/memory/1152-7-0x0000000000400000-0x0000000000447000-memory.dmp	upx
behavioral1/memory/1152-9-0x0000000000400000-0x0000000000447000-memory.dmp	upx
behavioral1/memory/768-19-0x0000000000400000-0x0000000000447000-memory.dmp	upx
behavioral1/memory/2672-81-0x0000000000400000-0x0000000000447000-memory.dmp	upx
behavioral1/memory/768-173-0x0000000000400000-0x0000000000447000-memory.dmp	upx
behavioral1/memory/768-202-0x0000000000400000-0x0000000000447000-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_40e01e24f7f6da6f3a53da50e54f9187.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_40e01e24f7f6da6f3a53da50e54f9187.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_40e01e24f7f6da6f3a53da50e54f9187.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 768 wrote to memory of 1152	768	JaffaCakes118_40e01e24f7f6da6f3a53da50e54f9187.exe	30
PID 768 wrote to memory of 1152	768	JaffaCakes118_40e01e24f7f6da6f3a53da50e54f9187.exe	30
PID 768 wrote to memory of 1152	768	JaffaCakes118_40e01e24f7f6da6f3a53da50e54f9187.exe	30
PID 768 wrote to memory of 1152	768	JaffaCakes118_40e01e24f7f6da6f3a53da50e54f9187.exe	30
PID 768 wrote to memory of 2672	768	JaffaCakes118_40e01e24f7f6da6f3a53da50e54f9187.exe	32
PID 768 wrote to memory of 2672	768	JaffaCakes118_40e01e24f7f6da6f3a53da50e54f9187.exe	32
PID 768 wrote to memory of 2672	768	JaffaCakes118_40e01e24f7f6da6f3a53da50e54f9187.exe	32
PID 768 wrote to memory of 2672	768	JaffaCakes118_40e01e24f7f6da6f3a53da50e54f9187.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40e01e24f7f6da6f3a53da50e54f9187.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40e01e24f7f6da6f3a53da50e54f9187.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:768
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40e01e24f7f6da6f3a53da50e54f9187.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40e01e24f7f6da6f3a53da50e54f9187.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1152
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40e01e24f7f6da6f3a53da50e54f9187.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_40e01e24f7f6da6f3a53da50e54f9187.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2672

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\C00F.882

Filesize
597B

MD5
abffa1a36e845bd332b16af686ad7867

SHA1
8c98daaffb08e24f1c30ab4f4851d5c732241ea2

SHA256
db80f640a5ad7af07938abfec9143c3d3421fa521e250f8e375d31dac4696de1

SHA512
516b34d6507bebef41d07f84005b21a6ffbdf2381ac024a92873b64e79ad5868d891fe4a596f8092e77fccf7d741e82619f05bf3dc26028d4a7a455b80793fdf

Download Submit
C:\Users\Admin\AppData\Roaming\C00F.882

Filesize
1KB

MD5
a4dcd3b986351041fc4a905d287cdfe1

SHA1
1af2449f099111f701f40397ed28b297694bbd35

SHA256
c5553fccfcd862f531e78cad2b5fc7b943e6f97c504a0846d2d76700dd9c7992

SHA512
70219a5ffa1e7f70b16af1c7db490b4b3c423d324293710dda6f244285c5c73edca57e2cc553cce0f2bbc7e6f946f504d71e079f8922c482e7040d6817d7adb8

Download Submit
C:\Users\Admin\AppData\Roaming\C00F.882

Filesize
897B

MD5
204f8cc7efa96078ff3c6a120ef56e60

SHA1
fd5a1e6e07a0f8449c62e91a4842a4282eb94a42

SHA256
5aa946bdf2718379fead7b0b292c174fc14ddc36804e21fd59a1ff421ffec6a7

SHA512
89a08ba90bdce4b710dd0e6b391b1e7a4dc09289898faba479009168962c7f523e97d6c9fc50a2f470e2e1241880be2600581cc3d858ef46029459bdddb9d15c

Download Submit
C:\Users\Admin\AppData\Roaming\C00F.882

Filesize
1KB

MD5
fc059723af6a0ef150e4c7ac60277cc3

SHA1
2bf5c757f1ffac49e6e08ab659625a40d0f6fed1

SHA256
5c7242ad02e0c61038654d9c906ca373446f3fbd4e0eecef8dbd8da537bfb12a

SHA512
1551d30c886e59b54866296552dd120d2eb6a2a4342d0ee764d4c933addef00d577fa0d5591ac22173b6cbe5ce1b57cc9887d8eca3f86278c996bb58a681284c

Download Submit
memory/768-19-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/768-1-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/768-2-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/768-173-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/768-202-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/1152-9-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/1152-7-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/1152-6-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download
memory/2672-81-0x0000000000400000-0x0000000000447000-memory.dmp

Filesize
284KB

Download

Analysis

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