cycbot | 4d6747c54616ad93970fcf4049e9879d3a43c8d1e33e1003efb6d06bd0a2fe39

General

Target

JaffaCakes118_35dacc8d9433c1d665d8fc8e7d2230d9.exe
Size

181KB
MD5

35dacc8d9433c1d665d8fc8e7d2230d9
SHA1

747310209962a26c7897af56b4b9c96d6617df08
SHA256

4d6747c54616ad93970fcf4049e9879d3a43c8d1e33e1003efb6d06bd0a2fe39
SHA512

9508e12958b4d2a70b577b47aff97d42d9fbd2b2ebeb39ead2d6a378f16ce5413a1419934ec06d3ee9b04799d731811373d1051dfd9bfbf8e3a6681578917ca2
SSDEEP

3072:0qwIa2avt+eVvvIurFd9IBzRj4kWSGC28/GlOF/ebIq:0V2pQwuVsz+kWWwM/ebI

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/2624-14-0x0000000000400000-0x000000000046C000-memory.dmp	family_cycbot
behavioral1/memory/2372-15-0x0000000000400000-0x000000000046C000-memory.dmp	family_cycbot
behavioral1/memory/2244-81-0x0000000000400000-0x000000000046C000-memory.dmp	family_cycbot
behavioral1/memory/2244-80-0x0000000000400000-0x000000000046C000-memory.dmp	family_cycbot
behavioral1/memory/2372-191-0x0000000000400000-0x000000000046C000-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 8 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2372-2-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral1/memory/2624-8-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral1/memory/2624-9-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral1/memory/2624-14-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral1/memory/2372-15-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral1/memory/2244-81-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral1/memory/2244-80-0x0000000000400000-0x000000000046C000-memory.dmp	upx
behavioral1/memory/2372-191-0x0000000000400000-0x000000000046C000-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_35dacc8d9433c1d665d8fc8e7d2230d9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_35dacc8d9433c1d665d8fc8e7d2230d9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_35dacc8d9433c1d665d8fc8e7d2230d9.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 2624	2372	JaffaCakes118_35dacc8d9433c1d665d8fc8e7d2230d9.exe	30
PID 2372 wrote to memory of 2624	2372	JaffaCakes118_35dacc8d9433c1d665d8fc8e7d2230d9.exe	30
PID 2372 wrote to memory of 2624	2372	JaffaCakes118_35dacc8d9433c1d665d8fc8e7d2230d9.exe	30
PID 2372 wrote to memory of 2624	2372	JaffaCakes118_35dacc8d9433c1d665d8fc8e7d2230d9.exe	30
PID 2372 wrote to memory of 2244	2372	JaffaCakes118_35dacc8d9433c1d665d8fc8e7d2230d9.exe	33
PID 2372 wrote to memory of 2244	2372	JaffaCakes118_35dacc8d9433c1d665d8fc8e7d2230d9.exe	33
PID 2372 wrote to memory of 2244	2372	JaffaCakes118_35dacc8d9433c1d665d8fc8e7d2230d9.exe	33
PID 2372 wrote to memory of 2244	2372	JaffaCakes118_35dacc8d9433c1d665d8fc8e7d2230d9.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_35dacc8d9433c1d665d8fc8e7d2230d9.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_35dacc8d9433c1d665d8fc8e7d2230d9.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2372
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_35dacc8d9433c1d665d8fc8e7d2230d9.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_35dacc8d9433c1d665d8fc8e7d2230d9.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2624
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_35dacc8d9433c1d665d8fc8e7d2230d9.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_35dacc8d9433c1d665d8fc8e7d2230d9.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2244

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\02A8.925

Filesize
1KB

MD5
c50ee87cff387cad16d16cbe0c8ad3cc

SHA1
323ee24a65963388ae8eaaf328663dcc86ce300f

SHA256
8dc9a7e3a1ecc6425428970083e825ec4c9c3b776d3463f2be5e011656f25cd2

SHA512
17bb2220179cf1a3fa21ec09e368aaa71403585e5fbfec94cd11054ea1c0e3517884b4823a7d9391958e29eb0f31cebaec75f2a0ba864e98df300b1b653f04fb

Download Submit
C:\Users\Admin\AppData\Roaming\02A8.925

Filesize
600B

MD5
d0e80686a58be39c4bff7877b24d506c

SHA1
4adcd3478b4f254ff1112c5f979064f4fd544e29

SHA256
a1cd77825f0ae0583868b39dd7b392889abdff3797dbd839f97d7b6c30305849

SHA512
59a517b100177513c71c8a208b3b1c0875f213163520a1663c54bb3cd999c0ef8cfdf7ed347867cb2b0592cfa2494622479a66ddf7c57ec01efc40623ff48b17

Download Submit
C:\Users\Admin\AppData\Roaming\02A8.925

Filesize
996B

MD5
e5279dacc67e7dfc29028f3a43b43331

SHA1
3172c970094f6e4f0bf5b84de5a589eccb5b3156

SHA256
e7284e5c1a1ef1630fa236f74b6ed5d5229d2ce7e99d8375e4743a8f02d9aa29

SHA512
d12b76ff921960aca465ed61d10eb4ac04db48ff0a132a4393d17eacac9405f4ec2b173eb60ab667fe8f139e55b28bfcac41a41d36f4546927c5c8a2b1748b56

Download Submit
memory/2244-81-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2244-78-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2244-80-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2372-15-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2372-1-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2372-2-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2372-191-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2624-14-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2624-9-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download
memory/2624-8-0x0000000000400000-0x000000000046C000-memory.dmp

Filesize
432KB

Download

Analysis

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