cycbot | 21a00430dc7b2ecf702b16f52227f7d558e9397b0d0e5f263416502c289ca3a0

General

Target

JaffaCakes118_231c813d12836c2870d58d3cc88c7efa.exe
Size

178KB
MD5

231c813d12836c2870d58d3cc88c7efa
SHA1

74f3f77519e563513369c6bfd73fd687ebac3ee0
SHA256

21a00430dc7b2ecf702b16f52227f7d558e9397b0d0e5f263416502c289ca3a0
SHA512

51a42872c84db394dd3ce8ecfe9ea8d68507a0970f0fcc967b35c1c7eb030b81737f60d61ca89ae1550e8ca4d6c4a2b5c28670d27604ffd0426b3ba49885ee30
SSDEEP

3072:/L/wyNqSMLufKePcPRD5kFR+rUr1YdDrgXvftX48yr2goxiX:/L/wXLufDwIR6d/gXHtXJm5R

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/2264-13-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral1/memory/2284-14-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral1/memory/2284-15-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral1/memory/1080-125-0x0000000000400000-0x0000000000454000-memory.dmp	family_cycbot
behavioral1/memory/2284-300-0x0000000000400000-0x0000000000454000-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/2284-2-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2264-12-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2264-13-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2284-14-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2284-15-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/1080-125-0x0000000000400000-0x0000000000454000-memory.dmp	upx
behavioral1/memory/2284-300-0x0000000000400000-0x0000000000454000-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_231c813d12836c2870d58d3cc88c7efa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_231c813d12836c2870d58d3cc88c7efa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_231c813d12836c2870d58d3cc88c7efa.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2284 wrote to memory of 2264	2284	JaffaCakes118_231c813d12836c2870d58d3cc88c7efa.exe	28
PID 2284 wrote to memory of 2264	2284	JaffaCakes118_231c813d12836c2870d58d3cc88c7efa.exe	28
PID 2284 wrote to memory of 2264	2284	JaffaCakes118_231c813d12836c2870d58d3cc88c7efa.exe	28
PID 2284 wrote to memory of 2264	2284	JaffaCakes118_231c813d12836c2870d58d3cc88c7efa.exe	28
PID 2284 wrote to memory of 1080	2284	JaffaCakes118_231c813d12836c2870d58d3cc88c7efa.exe	32
PID 2284 wrote to memory of 1080	2284	JaffaCakes118_231c813d12836c2870d58d3cc88c7efa.exe	32
PID 2284 wrote to memory of 1080	2284	JaffaCakes118_231c813d12836c2870d58d3cc88c7efa.exe	32
PID 2284 wrote to memory of 1080	2284	JaffaCakes118_231c813d12836c2870d58d3cc88c7efa.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_231c813d12836c2870d58d3cc88c7efa.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_231c813d12836c2870d58d3cc88c7efa.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2284
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_231c813d12836c2870d58d3cc88c7efa.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_231c813d12836c2870d58d3cc88c7efa.exe startC:\Program Files (x86)\LP\5E1A\424.exe%C:\Program Files (x86)\LP\5E1A
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2264
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_231c813d12836c2870d58d3cc88c7efa.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_231c813d12836c2870d58d3cc88c7efa.exe startC:\Users\Admin\AppData\Roaming\A2164\AAF5E.exe%C:\Users\Admin\AppData\Roaming\A2164
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1080

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\A2164\4F73.216

Filesize
996B

MD5
73d863fe613c23075dbeb64aa851515e

SHA1
45a5a0b64360b3a4fa6ea20f68b235087d00f312

SHA256
4d07c4a47d74f5e0d5b6d2d78a58df2e6184b77b65565230da1a3b0cf21760ae

SHA512
cab70d0f74af3f2661e75bd48c03d153c4f89ea24b298e575a92e2e82fcf272f6b14bbd683534eaf07c8defe614a1220bf055526ae8c0d82a35ce4fea5f34ba7

Download Submit
C:\Users\Admin\AppData\Roaming\A2164\4F73.216

Filesize
600B

MD5
d4f5a181c76f4c4c48d2eca1fdf191cb

SHA1
6a9ab6d98a95bb864e71966346b443f1e4a5370b

SHA256
c4c5c932d4e0f9cd3d3964ef6da849cf7af1ef505b5edcbd74fb4d92b5cfe258

SHA512
1cf9de5e3d1644f33c2f68f61570628af5e5b7a00e3328d910aaace3edd1d2f85138b476b62f95ceb16bd41b879442af1b47a3eef66d2418e39c7bafb803e3ea

Download Submit
C:\Users\Admin\AppData\Roaming\A2164\4F73.216

Filesize
1KB

MD5
dcba6633f4a1e256b770dc39d0e24441

SHA1
1a0d7096d758dc63448dae42030d9aaee1967e16

SHA256
03b46487eff245617ce262a2e29b4c09df81dcbbd3f5b79346f1263f43d01f96

SHA512
9209c26d82ecf74e2688523b2e9866530175d8a8ce18e72a9d3e9e0e5972b83dae449b163b7a800d9a0bc37bd3612b3847a9f3a87b011da59240bcffbc816a10

Download Submit
memory/1080-125-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1080-124-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2264-12-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2264-13-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2264-11-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2284-15-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2284-14-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2284-1-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2284-2-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2284-300-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download

Analysis

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