cycbot | 4d1404b3fd31ba4db49f2944f4a6fe16aa648c0297898788f35fdeb027ab7d8f

General

Target

JaffaCakes118_48c9e249a90f2655c18d30b8b02fb55c.exe
Size

175KB
MD5

48c9e249a90f2655c18d30b8b02fb55c
SHA1

2424db92e7a2b251ef91e23bf30d25c3bf470558
SHA256

4d1404b3fd31ba4db49f2944f4a6fe16aa648c0297898788f35fdeb027ab7d8f
SHA512

02bfb0efeb8f5a97141ee96877b633f850555a2fc07810f4486c88511580064ea517b84b9c4e88b8b45c827bd245066392871c207da050d3c176cd351245923c
SSDEEP

3072:fAI+7v3n2mN2ue4oihf8TB+q5ak0/dHyROugabKYxYX9VR:fAzvXLNYyf8Qq4y0ugoYtVR

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/2540-6-0x0000000000400000-0x0000000000463000-memory.dmp	family_cycbot
behavioral1/memory/2812-13-0x0000000000400000-0x0000000000463000-memory.dmp	family_cycbot
behavioral1/memory/2156-71-0x0000000000400000-0x0000000000463000-memory.dmp	family_cycbot
behavioral1/memory/2812-163-0x0000000000400000-0x0000000000463000-memory.dmp	family_cycbot
behavioral1/memory/2812-204-0x0000000000400000-0x0000000000463000-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/2812-2-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral1/memory/2540-5-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral1/memory/2540-6-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral1/memory/2812-13-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral1/memory/2156-71-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral1/memory/2812-163-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral1/memory/2812-204-0x0000000000400000-0x0000000000463000-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_48c9e249a90f2655c18d30b8b02fb55c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_48c9e249a90f2655c18d30b8b02fb55c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_48c9e249a90f2655c18d30b8b02fb55c.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2812 wrote to memory of 2540	2812	JaffaCakes118_48c9e249a90f2655c18d30b8b02fb55c.exe	29
PID 2812 wrote to memory of 2540	2812	JaffaCakes118_48c9e249a90f2655c18d30b8b02fb55c.exe	29
PID 2812 wrote to memory of 2540	2812	JaffaCakes118_48c9e249a90f2655c18d30b8b02fb55c.exe	29
PID 2812 wrote to memory of 2540	2812	JaffaCakes118_48c9e249a90f2655c18d30b8b02fb55c.exe	29
PID 2812 wrote to memory of 2156	2812	JaffaCakes118_48c9e249a90f2655c18d30b8b02fb55c.exe	31
PID 2812 wrote to memory of 2156	2812	JaffaCakes118_48c9e249a90f2655c18d30b8b02fb55c.exe	31
PID 2812 wrote to memory of 2156	2812	JaffaCakes118_48c9e249a90f2655c18d30b8b02fb55c.exe	31
PID 2812 wrote to memory of 2156	2812	JaffaCakes118_48c9e249a90f2655c18d30b8b02fb55c.exe	31

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_48c9e249a90f2655c18d30b8b02fb55c.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_48c9e249a90f2655c18d30b8b02fb55c.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2812
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_48c9e249a90f2655c18d30b8b02fb55c.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_48c9e249a90f2655c18d30b8b02fb55c.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2540
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_48c9e249a90f2655c18d30b8b02fb55c.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_48c9e249a90f2655c18d30b8b02fb55c.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2156

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\FF2F.34D

Filesize
1KB

MD5
a16476dbe5a582b2276de19caf3c7254

SHA1
9bd307ee5070354c8cd2e0bb1a80a4deb3130198

SHA256
1fd0e68c8a6d41023d61992e6089b5b354a3d20ae6b6b2b1ac8779aa70656cab

SHA512
3684af8b9db841edc7c785ef58aec6bc2d5895c96bc8683caaaf531d31d78ec4dc01260b4fa6cc52e629c051a874730cc8dd1b4e36d4a4006ef9d5a43c335795

Download Submit
C:\Users\Admin\AppData\Roaming\FF2F.34D

Filesize
600B

MD5
b044c152151a43ebc806ce838665ec78

SHA1
8c311f69d4e09ed6da9de558b0ad66d37967e458

SHA256
4128303b3c5dd62c930c6f4d0ddc15dbaf9f50d905d0199abde43dc3fe174c83

SHA512
d88b51fd04094d3426b631cde3f106188e84bea4c32627f1d14c76591262b31839800d6d58785164f160537eecdd0ba4b1118a33623a3d66b364ed993cb376da

Download Submit
C:\Users\Admin\AppData\Roaming\FF2F.34D

Filesize
996B

MD5
e5b8d77c1f70f96a7e14c15ceb4c18a9

SHA1
86d67e3c8a35e691666660540297a9fa0e24d8a4

SHA256
5deca9f87b45107cce44c3a9a6371a24f7d65fe575932da8e0fc8a052ae010e0

SHA512
c1c2d75518f3dd4409a3799055d9ff8c4edb2ad6f060dfac5907cd0b72682603bf47dac69f37efa9c46175586c249932ea0b1a599b61f6a03d5039c2735652d1

Download Submit
memory/2156-71-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2540-5-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2540-6-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2812-1-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2812-2-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2812-13-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2812-163-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2812-204-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download

Analysis

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