cycbot | 3fbc54a4a60d608803e05438a6f4142bb937013479982cdee8e8a769b87feed2

General

Target

JaffaCakes118_2d5d06944fee42a022a80ec116e95f0b.exe
Size

175KB
MD5

2d5d06944fee42a022a80ec116e95f0b
SHA1

f17e20da49e42a82a0a336ca57105d7753ec094e
SHA256

3fbc54a4a60d608803e05438a6f4142bb937013479982cdee8e8a769b87feed2
SHA512

eb444850c0c695d97dd783f25646608a8953a5223769c3cb662fe4b7a8b37be43820996c1916bc1124d5c9620ee6fea0e62f966786a2f36293e058d9586206b8
SSDEEP

3072:PJ3iQmKim4BBfIAD1XtfU6o9MnFJaYdhD7E8+TZ7KfQDJ/hH3dtSk2C4xUkKm:PJ3XmFBfIADX86o9MnFo8hv/+xK4D1hn

Score

10^/10

cycbot backdoor discovery rat 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
behavioral2/memory/780-14-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/5092-15-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/5092-16-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral2/memory/1464-130-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/5092-305-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5092-3-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/780-13-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/780-14-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/5092-15-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/5092-16-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/1464-130-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/5092-305-0x0000000000400000-0x0000000000455000-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_2d5d06944fee42a022a80ec116e95f0b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_2d5d06944fee42a022a80ec116e95f0b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_2d5d06944fee42a022a80ec116e95f0b.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5092 wrote to memory of 780	5092	JaffaCakes118_2d5d06944fee42a022a80ec116e95f0b.exe	82
PID 5092 wrote to memory of 780	5092	JaffaCakes118_2d5d06944fee42a022a80ec116e95f0b.exe	82
PID 5092 wrote to memory of 780	5092	JaffaCakes118_2d5d06944fee42a022a80ec116e95f0b.exe	82
PID 5092 wrote to memory of 1464	5092	JaffaCakes118_2d5d06944fee42a022a80ec116e95f0b.exe	83
PID 5092 wrote to memory of 1464	5092	JaffaCakes118_2d5d06944fee42a022a80ec116e95f0b.exe	83
PID 5092 wrote to memory of 1464	5092	JaffaCakes118_2d5d06944fee42a022a80ec116e95f0b.exe	83

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2d5d06944fee42a022a80ec116e95f0b.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2d5d06944fee42a022a80ec116e95f0b.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5092
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2d5d06944fee42a022a80ec116e95f0b.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2d5d06944fee42a022a80ec116e95f0b.exe startC:\Program Files (x86)\LP\A050\D7E.exe%C:\Program Files (x86)\LP\A050
  2⤵
  - System Location Discovery: System Language Discovery
  PID:780
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2d5d06944fee42a022a80ec116e95f0b.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2d5d06944fee42a022a80ec116e95f0b.exe startC:\Users\Admin\AppData\Roaming\03FBB\71DA0.exe%C:\Users\Admin\AppData\Roaming\03FBB
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1464

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\03FBB\B59E.3FB

Filesize
996B

MD5
8c8d6bab01dc753f72be310bf622ccab

SHA1
5a344920c7c376b761bbdc8d61a4d6a124883922

SHA256
af00f95e5960994ab11c3e800f84f6c20d20ff6a9e486dedc275e19a28cc0248

SHA512
2c636fcde7e53e9cbf1a86e5df62758a88e8fb7427575d8a336e797ad46cde0fabaa50201001e145cf8067f6bd082e3227048e34378bc3ccff71c14db63a08b5

Download Submit
C:\Users\Admin\AppData\Roaming\03FBB\B59E.3FB

Filesize
600B

MD5
26856164f2c194e5d771a5f745e9f3b9

SHA1
1c911386d89eff2bfbc7805d515374a8c23fe504

SHA256
7c63cb9a3b7f8b21aa02c58407abef6c3210a582010b0433b50907d4c676d1f4

SHA512
1f0950b08d43eb80d6c8ef1f3ce7b379609abde258a623bd4218eeff3e9c7e6c6c13c76ef3339a195fa122d9e723efb7ec97d8f5ee078dfc4781f306066701a2

Download Submit
C:\Users\Admin\AppData\Roaming\03FBB\B59E.3FB

Filesize
1KB

MD5
3979715e46f69a1c2a9d5701965c83ac

SHA1
4d57778a0a9515424c59147cd89fb33f598115b3

SHA256
0e56bf8bd346d86797fcc4387f7b1d66eb86be14efdad99cf5d87240d726377e

SHA512
e89d9a68c4250a00255219e4d752da8c7391bae73d50f4a7aa9900d79ccb51775ac2604e57b8cd403a7fe1550e1eca9bb83979cbf172ee27ab4bd86e2ea9c2f6

Download Submit
memory/780-13-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/780-14-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1464-130-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/5092-0-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/5092-2-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/5092-3-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/5092-15-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/5092-16-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/5092-305-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

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