cycbot | b92e30d54dd725b4d4183624c87541d1bdc27a9458e2924826dfdc1b738efed8

General

Target

ed130b636a56ded5b3c8af1a8fe7565e_JaffaCakes118.exe
Size

162KB
MD5

ed130b636a56ded5b3c8af1a8fe7565e
SHA1

9f6df4231c01feec06cd9728ef78ffd051a75a2b
SHA256

b92e30d54dd725b4d4183624c87541d1bdc27a9458e2924826dfdc1b738efed8
SHA512

834e8350d0a92a6eb005e880382bf2c70a5a263158ad8b31ddc58966d297cb2ecbcb5da3d612f278e44ef31157cbb3e72e331cc52d05e5edff83e5a088f9c386
SSDEEP

3072:KcRVBrdcMdKSbBFd0F4Ix215Fo70GoDtJO9VXqGzJBRfH:tPyBSbB7Ix2po70tO9koRfH

Score

10^/10

cycbot backdoor discovery persistence 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/2588-7-0x0000000000400000-0x000000000043D000-memory.dmp	family_cycbot
behavioral1/memory/3008-17-0x0000000000400000-0x000000000043D000-memory.dmp	family_cycbot
behavioral1/memory/2032-79-0x0000000000400000-0x000000000043D000-memory.dmp	family_cycbot
behavioral1/memory/3008-80-0x0000000000400000-0x000000000043D000-memory.dmp	family_cycbot
behavioral1/memory/3008-177-0x0000000000400000-0x000000000043D000-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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\conhost = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\conhost.exe"	ed130b636a56ded5b3c8af1a8fe7565e_JaffaCakes118.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3008-2-0x0000000000400000-0x000000000043D000-memory.dmp	upx
behavioral1/memory/2588-6-0x0000000000400000-0x000000000043D000-memory.dmp	upx
behavioral1/memory/2588-7-0x0000000000400000-0x000000000043D000-memory.dmp	upx
behavioral1/memory/3008-17-0x0000000000400000-0x000000000043D000-memory.dmp	upx
behavioral1/memory/2032-77-0x0000000000400000-0x000000000043D000-memory.dmp	upx
behavioral1/memory/2032-79-0x0000000000400000-0x000000000043D000-memory.dmp	upx
behavioral1/memory/3008-80-0x0000000000400000-0x000000000043D000-memory.dmp	upx
behavioral1/memory/3008-177-0x0000000000400000-0x000000000043D000-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	ed130b636a56ded5b3c8af1a8fe7565e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ed130b636a56ded5b3c8af1a8fe7565e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ed130b636a56ded5b3c8af1a8fe7565e_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3008 wrote to memory of 2588	3008	ed130b636a56ded5b3c8af1a8fe7565e_JaffaCakes118.exe	30
PID 3008 wrote to memory of 2588	3008	ed130b636a56ded5b3c8af1a8fe7565e_JaffaCakes118.exe	30
PID 3008 wrote to memory of 2588	3008	ed130b636a56ded5b3c8af1a8fe7565e_JaffaCakes118.exe	30
PID 3008 wrote to memory of 2588	3008	ed130b636a56ded5b3c8af1a8fe7565e_JaffaCakes118.exe	30
PID 3008 wrote to memory of 2032	3008	ed130b636a56ded5b3c8af1a8fe7565e_JaffaCakes118.exe	33
PID 3008 wrote to memory of 2032	3008	ed130b636a56ded5b3c8af1a8fe7565e_JaffaCakes118.exe	33
PID 3008 wrote to memory of 2032	3008	ed130b636a56ded5b3c8af1a8fe7565e_JaffaCakes118.exe	33
PID 3008 wrote to memory of 2032	3008	ed130b636a56ded5b3c8af1a8fe7565e_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\ed130b636a56ded5b3c8af1a8fe7565e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ed130b636a56ded5b3c8af1a8fe7565e_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3008
- C:\Users\Admin\AppData\Local\Temp\ed130b636a56ded5b3c8af1a8fe7565e_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\ed130b636a56ded5b3c8af1a8fe7565e_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2588
- C:\Users\Admin\AppData\Local\Temp\ed130b636a56ded5b3c8af1a8fe7565e_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\ed130b636a56ded5b3c8af1a8fe7565e_JaffaCakes118.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2032

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

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

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Downloads

C:\Users\Admin\AppData\Roaming\FDB3.2F9

Filesize
597B

MD5
016c36d769c98a8b4c4e4d164fd80a03

SHA1
cf7e8750edde64bd19d17926c72e5b2ac807a93e

SHA256
bdcafa373c7b6a0006e5275db8c61e752c8bcff14ff5d84366dcdbaab7909419

SHA512
f70464da6e451e2d037e3bb1a8844110da15642b652d90c24913ed883bf060af10ddaf945b340299b7d04e4ab300f3c7aea666cf493fad87c6007b7bbb058fe9

Download Submit
C:\Users\Admin\AppData\Roaming\FDB3.2F9

Filesize
1KB

MD5
49e0dd76de817898b5289a1e0203f247

SHA1
ec71867398b53112b1a302ac75a5616920662338

SHA256
90c7967e35ffc133370ccb7ebd8eb4770872a79de70304cd92b7a9439fd357f8

SHA512
6d91c4d45c77041511ffca9dda191f11c48bf33ce353b76ed0ffa229d41734f72a537e93d881fca354f9e4025fb6fa44acb82785037eb7663507fc2c37ff3f0b

Download Submit
C:\Users\Admin\AppData\Roaming\FDB3.2F9

Filesize
897B

MD5
5531c9f99346e6f61eb6f15acb97d320

SHA1
7048e13d282f413e0cebe2ce8f0e944cafba5fd4

SHA256
cbaf0b6ff41004c7756b3d1d0c5169cbf046d8a927248dd6df1578ee1e9ec08d

SHA512
621fa4ee59b20049799826a214878f4ce17e020d09a5bf49f46a959922e5eec005eb3be1a49f3133b57b58af4a040e07058ee74f5c9676b5133a6263466ca6f5

Download Submit
C:\Users\Admin\AppData\Roaming\FDB3.2F9

Filesize
1KB

MD5
c98b8e84b54666cf6e1705f5b6172000

SHA1
1bf869791b643cc886acfdb9439c4572d00d31d3

SHA256
54166358ad54e8bb01f86aa96073edf953f818d759191d514c6a5d660b1ca634

SHA512
2984b24dfc6d903b0eb561f2c192cb0beb18171ab5244840cfe1a0eb1e47cb1b705605c06a3ad8458f8ed9616adb0d65ec2598b34b461ff8b20bed6eb392b65c

Download Submit
memory/2032-79-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2032-77-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2588-7-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/2588-6-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/3008-17-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/3008-2-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/3008-80-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/3008-1-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download
memory/3008-177-0x0000000000400000-0x000000000043D000-memory.dmp

Filesize
244KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads