cycbot | 4cee0498c5648f19f40bccfb29fbd12adee24fb3a67551620cd8bb04ed53d298

General

Target

JaffaCakes118_bd535bd28911efcc5f1236fa7903097d.exe
Size

163KB
MD5

bd535bd28911efcc5f1236fa7903097d
SHA1

9ffa40211e2b84bfdb8f6b94eaa97f0fb0f4e454
SHA256

4cee0498c5648f19f40bccfb29fbd12adee24fb3a67551620cd8bb04ed53d298
SHA512

cc6197cd240e0dd983b4f400082e572d360e85132718f95ddec870c975d15934b3b83e6115e7473261ef78f56d120c690664204ca977f410302b61be59103c49
SSDEEP

3072:kisGEV8ThYW2AlDSRrZ9+iK3ATcBdwscGApAF3U66edfnBhWi:kim8Tll+lUMpAF3Z6eBBk

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/3056-5-0x0000000000400000-0x0000000000468000-memory.dmp	family_cycbot
behavioral1/memory/3056-7-0x0000000000400000-0x0000000000468000-memory.dmp	family_cycbot
behavioral1/memory/768-15-0x0000000000400000-0x0000000000468000-memory.dmp	family_cycbot
behavioral1/memory/1412-81-0x0000000000400000-0x0000000000468000-memory.dmp	family_cycbot
behavioral1/memory/768-185-0x0000000000400000-0x0000000000468000-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/768-2-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/3056-5-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/3056-7-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/768-15-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/1412-79-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/1412-81-0x0000000000400000-0x0000000000468000-memory.dmp	upx
behavioral1/memory/768-185-0x0000000000400000-0x0000000000468000-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_bd535bd28911efcc5f1236fa7903097d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_bd535bd28911efcc5f1236fa7903097d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_bd535bd28911efcc5f1236fa7903097d.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 768 wrote to memory of 3056	768	JaffaCakes118_bd535bd28911efcc5f1236fa7903097d.exe	30
PID 768 wrote to memory of 3056	768	JaffaCakes118_bd535bd28911efcc5f1236fa7903097d.exe	30
PID 768 wrote to memory of 3056	768	JaffaCakes118_bd535bd28911efcc5f1236fa7903097d.exe	30
PID 768 wrote to memory of 3056	768	JaffaCakes118_bd535bd28911efcc5f1236fa7903097d.exe	30
PID 768 wrote to memory of 1412	768	JaffaCakes118_bd535bd28911efcc5f1236fa7903097d.exe	33
PID 768 wrote to memory of 1412	768	JaffaCakes118_bd535bd28911efcc5f1236fa7903097d.exe	33
PID 768 wrote to memory of 1412	768	JaffaCakes118_bd535bd28911efcc5f1236fa7903097d.exe	33
PID 768 wrote to memory of 1412	768	JaffaCakes118_bd535bd28911efcc5f1236fa7903097d.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bd535bd28911efcc5f1236fa7903097d.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bd535bd28911efcc5f1236fa7903097d.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:768
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bd535bd28911efcc5f1236fa7903097d.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bd535bd28911efcc5f1236fa7903097d.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3056
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bd535bd28911efcc5f1236fa7903097d.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bd535bd28911efcc5f1236fa7903097d.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1412

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\0408.7F6

Filesize
1KB

MD5
f56e872d0fb238eb6787c298a73be107

SHA1
3a388d3523fd9b88dd4de9e24bda1c59af4306ec

SHA256
0274ad194a34e8bdf61b8017a0ab97f7089da6346fe4368f80afe4eb325cfd5e

SHA512
508fd4ed34e098adb7f4369f457c1528cfc92d8c7f270e92bd04aacb1508a8a2cfa1171b579808d2830f909cef838b88cf6930efea21d5c5c5f178927ba43bc2

Download Submit
C:\Users\Admin\AppData\Roaming\0408.7F6

Filesize
600B

MD5
f9196f1d16347e06ef10c65fd46a24e5

SHA1
09409b98fb022af53272f8723fec4d71097f122c

SHA256
9b5d26adff5af7efb507f146995226396e52a5c276fb5026d812f3081f4677a9

SHA512
54ceacae44a9c70bde04e9e0031ba82a88d2f96cddd937ee64152564b185aa3d442f1b02cbf13bb9cee41b38a20cd4224d64a3c0ef70351f200b405f7f0b8164

Download Submit
C:\Users\Admin\AppData\Roaming\0408.7F6

Filesize
996B

MD5
f08603be3243d0b4047dc01c163329e3

SHA1
19ecfc5ea59534ceb5b9e7602a0a90c0880145dd

SHA256
70ccea48436ee865c7d5e232d1586651c2dec3b86d7b8e165e66fb74bdabd6ab

SHA512
0458d8448e7d07128791b20a4f86ff08643f8bcee567e66413d0690df3a8a7019602e5bab713fb5f7006ce28897d13f0794e40624fad963bc5c09f8ef6844358

Download Submit
memory/768-1-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/768-2-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/768-15-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/768-185-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/1412-79-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/1412-81-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/1412-78-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/3056-5-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/3056-7-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download

Analysis

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