cycbot | 19e9e59ba2f284bc7df20c817e539b04bd76883ea85c7635b5f0bf3b35a2761b

Resubmissions

12-01-2025 13:03

250112-qawfhswjhp 10

12-01-2025 12:53

250112-p45qlssqft 10

Analysis

max time kernel
140s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12-01-2025 12:53

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General

Target

JaffaCakes118_0f1338e1991adc7f282be7b9bf1ff834.exe
Size

188KB
MD5

0f1338e1991adc7f282be7b9bf1ff834
SHA1

1f10d0ffbe9ae4e312d7e0b435aeb4a04fd70efc
SHA256

19e9e59ba2f284bc7df20c817e539b04bd76883ea85c7635b5f0bf3b35a2761b
SHA512

792962ab530720226285324a09db8712a41a6dfbd47c0ff28a672f9ff70bd8ca764a3737033f32d809127282a44dcbd58f785fa4b58e2d278d293a45138fe5bf
SSDEEP

3072:bjNiyF5DyhIFYdZrmM4n1XvudI1V+6rdj7xE3GSo3ln+xRf2RKoUY6u//Y7KoO:XNikFyCFYdgM3dIBr5i2Sa5KQAt

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/2544-14-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/1600-15-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/1600-16-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral1/memory/2868-122-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/1600-285-0x0000000000400000-0x0000000000455000-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/1600-2-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2544-12-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2544-14-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/1600-15-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/1600-16-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/2868-122-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/1600-285-0x0000000000400000-0x0000000000455000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 1 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_0f1338e1991adc7f282be7b9bf1ff834.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1600 wrote to memory of 2544	1600	JaffaCakes118_0f1338e1991adc7f282be7b9bf1ff834.exe	30
PID 1600 wrote to memory of 2544	1600	JaffaCakes118_0f1338e1991adc7f282be7b9bf1ff834.exe	30
PID 1600 wrote to memory of 2544	1600	JaffaCakes118_0f1338e1991adc7f282be7b9bf1ff834.exe	30
PID 1600 wrote to memory of 2544	1600	JaffaCakes118_0f1338e1991adc7f282be7b9bf1ff834.exe	30
PID 1600 wrote to memory of 2868	1600	JaffaCakes118_0f1338e1991adc7f282be7b9bf1ff834.exe	33
PID 1600 wrote to memory of 2868	1600	JaffaCakes118_0f1338e1991adc7f282be7b9bf1ff834.exe	33
PID 1600 wrote to memory of 2868	1600	JaffaCakes118_0f1338e1991adc7f282be7b9bf1ff834.exe	33
PID 1600 wrote to memory of 2868	1600	JaffaCakes118_0f1338e1991adc7f282be7b9bf1ff834.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0f1338e1991adc7f282be7b9bf1ff834.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0f1338e1991adc7f282be7b9bf1ff834.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1600
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0f1338e1991adc7f282be7b9bf1ff834.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0f1338e1991adc7f282be7b9bf1ff834.exe startC:\Program Files (x86)\LP\0FD5\B11.exe%C:\Program Files (x86)\LP\0FD5
  2⤵
  PID:2544
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0f1338e1991adc7f282be7b9bf1ff834.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0f1338e1991adc7f282be7b9bf1ff834.exe startC:\Users\Admin\AppData\Roaming\50F9E\BE40F.exe%C:\Users\Admin\AppData\Roaming\50F9E
  2⤵
  PID:2868

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\50F9E\E746.0F9

Filesize
996B

MD5
51fa23a351ef78858e704aacffa33134

SHA1
b45fa055ed0b0312413c1bab9be528dc26d4ff39

SHA256
9a0f6fe761f9df8cdf8a096d5ebefa3bc67e6dd3764e91ddcb1363d281ce5d5d

SHA512
4c02b53c88e9095623aaa4287441ca07bb11a9d844fff1acb05bde073347085bd5785666284afa86ab3e062f40f3dcccde8ef9e3eb4dba53bc6cdceeb0d59e8e

Download Submit
C:\Users\Admin\AppData\Roaming\50F9E\E746.0F9

Filesize
600B

MD5
ca5012eb32f98a0f447528fd11213205

SHA1
064c1b027b0691448dba9a71c8c51478a4f77cf1

SHA256
008a58bd97bbc5e858402e632bc92df4ee4fcb8f7b09bc1a838eb8ed3a2dffac

SHA512
d75080e3c54d0c080e28e9d6fc9d110016c26d96eb53743f5266f34b8ee8bf0eda9d530b1994b0a366e863e8eb43d116143ca807b640eacb37efd2d32815d489

Download Submit
C:\Users\Admin\AppData\Roaming\50F9E\E746.0F9

Filesize
1KB

MD5
549d5a214a8d6e2815ee2281e71a9760

SHA1
f04ba7f3a5a057d1db1f84bfa36e98eb1eef9788

SHA256
8d85aab8c93bfc16182daa43f8556854ce614f869c23fd8a61a874888a97f75a

SHA512
c70b2ee46324f85d6837bb984257dc22713f958a18b18ef5fa7e324ab6e8f10fd1302cd7688fee4c16d020d61d77a655f306fe0b80776c5ff6aed4493abae78b

Download Submit
memory/1600-1-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1600-2-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1600-15-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1600-16-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1600-285-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2544-12-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2544-14-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2544-11-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2868-122-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download