cycbot | ee1d85f6bcb8090ac766f0782d7be28153a8851899f4d23c81800a97abd68fcf

General

Target

ec22dfc43dd72912b1a5428daf0bf137_JaffaCakes118.exe
Size

176KB
MD5

ec22dfc43dd72912b1a5428daf0bf137
SHA1

e7e9c0cfc08807688c6372dec3c37b19be92ee60
SHA256

ee1d85f6bcb8090ac766f0782d7be28153a8851899f4d23c81800a97abd68fcf
SHA512

ccb660fbaa3391754fc303e82f29181725a77db93bcf7f54a8d3d95d1b14e8c4229a36ef9ad9f2b313b70022759a7bf7e8bbeb172030d37620d2f31c48d31daf
SSDEEP

3072:ZHoI8+WdjePaA1q1WMC0XWuUKXK+kW3wVaY+Z4XFc5zItnwog:BoI8BYaA1qv3mB9vJZ0inLg

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/2252-6-0x0000000000400000-0x0000000000463000-memory.dmp	family_cycbot
behavioral1/memory/2896-13-0x0000000000400000-0x0000000000463000-memory.dmp	family_cycbot
behavioral1/memory/2660-76-0x0000000000400000-0x0000000000463000-memory.dmp	family_cycbot
behavioral1/memory/2896-77-0x0000000000400000-0x0000000000463000-memory.dmp	family_cycbot
behavioral1/memory/2896-168-0x0000000000400000-0x0000000000463000-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 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2896-2-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral1/memory/2252-5-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral1/memory/2252-6-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral1/memory/2896-13-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral1/memory/2660-75-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral1/memory/2660-76-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral1/memory/2896-77-0x0000000000400000-0x0000000000463000-memory.dmp	upx
behavioral1/memory/2896-168-0x0000000000400000-0x0000000000463000-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	ec22dfc43dd72912b1a5428daf0bf137_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ec22dfc43dd72912b1a5428daf0bf137_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ec22dfc43dd72912b1a5428daf0bf137_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2896 wrote to memory of 2252	2896	ec22dfc43dd72912b1a5428daf0bf137_JaffaCakes118.exe	28
PID 2896 wrote to memory of 2252	2896	ec22dfc43dd72912b1a5428daf0bf137_JaffaCakes118.exe	28
PID 2896 wrote to memory of 2252	2896	ec22dfc43dd72912b1a5428daf0bf137_JaffaCakes118.exe	28
PID 2896 wrote to memory of 2252	2896	ec22dfc43dd72912b1a5428daf0bf137_JaffaCakes118.exe	28
PID 2896 wrote to memory of 2660	2896	ec22dfc43dd72912b1a5428daf0bf137_JaffaCakes118.exe	30
PID 2896 wrote to memory of 2660	2896	ec22dfc43dd72912b1a5428daf0bf137_JaffaCakes118.exe	30
PID 2896 wrote to memory of 2660	2896	ec22dfc43dd72912b1a5428daf0bf137_JaffaCakes118.exe	30
PID 2896 wrote to memory of 2660	2896	ec22dfc43dd72912b1a5428daf0bf137_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\ec22dfc43dd72912b1a5428daf0bf137_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ec22dfc43dd72912b1a5428daf0bf137_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2896
- C:\Users\Admin\AppData\Local\Temp\ec22dfc43dd72912b1a5428daf0bf137_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\ec22dfc43dd72912b1a5428daf0bf137_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2252
- C:\Users\Admin\AppData\Local\Temp\ec22dfc43dd72912b1a5428daf0bf137_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\ec22dfc43dd72912b1a5428daf0bf137_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2660

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\3071.CAC

Filesize
1KB

MD5
7d066e7e64d91c3e65600b62ea16859a

SHA1
242e53f6f491efc4a157bb6575958ae61608107c

SHA256
feacc4c9a0a18e4253ec2e40a0b595bf90da691badd1ad21af2390d598fc53fe

SHA512
5c21984ced305030d54058acbe8ecac0ea0917cbd4b3d6d846c103c97109628e1589befc1206814e2263e9a496d5c703f7fa84cd5a6754475e015c9f7193405f

Download Submit
C:\Users\Admin\AppData\Roaming\3071.CAC

Filesize
600B

MD5
e3f8a1a41567e7d4ad8fde0b040065c2

SHA1
002a0d18e70f6229652ab338f907a7735990a6b2

SHA256
321a9c9ff8f6e48b6efb3e0c7b7bd337f2fe04f201f7ba05415a63113bb6bd29

SHA512
9f2f3147cf6c1a36d25032da7a83f9231345fbd10fdfe238b45636df2e340fd734be5cc1fb9351a099e8f35e1c3ced16f744b642406334f7b8f3793df8c6ea0e

Download Submit
C:\Users\Admin\AppData\Roaming\3071.CAC

Filesize
996B

MD5
c0b8c0e39443929b826539325323906d

SHA1
3fb90a0de2befcc8c62b26f5cf6ab3d8754e34f0

SHA256
54c4707cb3101dd7084c8377d26afa70184c1268104b5675744d40a59f5b03d5

SHA512
852beb2643be41978547e96c53797e730dd0d237385bc5a6a219d173fe3555e95ab0a2dbb21e44341c7565ceb11eadf7e0d2c301881ca7591f7126fa0cd31e51

Download Submit
memory/2252-5-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2252-6-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2660-75-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2660-76-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2896-1-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2896-2-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2896-13-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2896-77-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download
memory/2896-168-0x0000000000400000-0x0000000000463000-memory.dmp

Filesize
396KB

Download

Analysis

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