cycbot | 39f52488b240e3e976bc1a73740fb6036f2dd9baa642fc3450dc85e6e8be0e71

General

Target

JaffaCakes118_642b1107928e464d62ecbfb0a58d69a9.exe
Size

180KB
MD5

642b1107928e464d62ecbfb0a58d69a9
SHA1

13d4d20c816f93811d12c14f15b3f004ca34afda
SHA256

39f52488b240e3e976bc1a73740fb6036f2dd9baa642fc3450dc85e6e8be0e71
SHA512

23f0d15e8dc077327676f4f8cba1bcd2f74a4ace62ed445322483839262afa5b4367b81bd2f19a84209a4927201a7bef3d58a644d02a5a6f80f63462e13ed7ab
SSDEEP

3072:odcJ44+mge3ZvIPx5uwtF/7DK6MVs5ZeJANEijUdoFqB6ePf4W2XPF:o+S4+pe9IPx5uwX2Rs+KEua6+Y

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/2156-13-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2736-15-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2736-16-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral1/memory/2752-148-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2736-298-0x0000000000400000-0x0000000000455000-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/2736-3-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2156-13-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2736-15-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2736-16-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/2752-147-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2752-148-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2736-298-0x0000000000400000-0x0000000000455000-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_642b1107928e464d62ecbfb0a58d69a9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_642b1107928e464d62ecbfb0a58d69a9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_642b1107928e464d62ecbfb0a58d69a9.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2736 wrote to memory of 2156	2736	JaffaCakes118_642b1107928e464d62ecbfb0a58d69a9.exe	30
PID 2736 wrote to memory of 2156	2736	JaffaCakes118_642b1107928e464d62ecbfb0a58d69a9.exe	30
PID 2736 wrote to memory of 2156	2736	JaffaCakes118_642b1107928e464d62ecbfb0a58d69a9.exe	30
PID 2736 wrote to memory of 2156	2736	JaffaCakes118_642b1107928e464d62ecbfb0a58d69a9.exe	30
PID 2736 wrote to memory of 2752	2736	JaffaCakes118_642b1107928e464d62ecbfb0a58d69a9.exe	32
PID 2736 wrote to memory of 2752	2736	JaffaCakes118_642b1107928e464d62ecbfb0a58d69a9.exe	32
PID 2736 wrote to memory of 2752	2736	JaffaCakes118_642b1107928e464d62ecbfb0a58d69a9.exe	32
PID 2736 wrote to memory of 2752	2736	JaffaCakes118_642b1107928e464d62ecbfb0a58d69a9.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_642b1107928e464d62ecbfb0a58d69a9.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_642b1107928e464d62ecbfb0a58d69a9.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2736
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_642b1107928e464d62ecbfb0a58d69a9.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_642b1107928e464d62ecbfb0a58d69a9.exe startC:\Program Files (x86)\LP\D45A\530.exe%C:\Program Files (x86)\LP\D45A
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2156
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_642b1107928e464d62ecbfb0a58d69a9.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_642b1107928e464d62ecbfb0a58d69a9.exe startC:\Users\Admin\AppData\Roaming\A0550\0B7D4.exe%C:\Users\Admin\AppData\Roaming\A0550
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2752

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\A0550\099D.055

Filesize
996B

MD5
0a0d37a187bc3ea185a584ca24a2dc51

SHA1
9453fd59ae16fabf487cb4bef7a3e3bcbbcd57ee

SHA256
89311e3815bca74ebfc8415536e241b8773173d528f6983eb217f737eda92990

SHA512
b328df173dc0b975f2a2ad2518b164d6e7b2966c5d46c0b49844e191b7c612abf1c3f40585981d8b5f038c1f1c98a4619d04a05bf34a42f97e14e4bd132f83ef

Download Submit
C:\Users\Admin\AppData\Roaming\A0550\099D.055

Filesize
600B

MD5
68614c97e16902c3a474050f40b341b4

SHA1
abcc05ca3c8d7763924727d26b8a16a105f8344f

SHA256
8aa5f9bcac7c0562181a556ff72879176d558027131ca20a12dfc326776bc96d

SHA512
d760b69a49fdf7d34f0589dcc3fa98364f4110b79363fa727ed6746f0a0f6e827bd47b1f250d51eac262a2fa69d9749ca9a765e7f481602208d79c9199164981

Download Submit
C:\Users\Admin\AppData\Roaming\A0550\099D.055

Filesize
1KB

MD5
6564bd51f8da7a741b3b7fa49e40ec53

SHA1
5d7200f3cc2ced8abb5ec00207fe167697fc3007

SHA256
cc2f702903b585f673b6cd921e802e626d373d4b4ea9a1351d38da6224481248

SHA512
a5b638e996641f3731edac1e0c26e16f51639368f0f7d5d562c3197865a4a5ca9215b30dfba2af05546d099b8b6efd994f1a680f211c10ed2cdd256b20528b51

Download Submit
memory/2156-13-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2736-0-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2736-2-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2736-3-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2736-15-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2736-16-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2736-298-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2752-147-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2752-148-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

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