cycbot | 4cd60a760c2138cc50abf6f8d8aac362c26e50be1468b531a61cb18d4ab97274

General

Target

JaffaCakes118_ac6d46dcab8ed7ade415d90164052f3f.exe
Size

201KB
MD5

ac6d46dcab8ed7ade415d90164052f3f
SHA1

a50d1513929b2a9c4680b299a79ea7b289750bd7
SHA256

4cd60a760c2138cc50abf6f8d8aac362c26e50be1468b531a61cb18d4ab97274
SHA512

c08669fe1aeb4dd15c5e291bb7ad14808a7690141df3b1faa273de30b58548a085109ffb9b7017f0f225ade7783250b447b26c6a143c724c917cf32202f4ae50
SSDEEP

3072:ptZBDetdPfnhv7o4CbWnHcU3zbjgUznaBVrEOKQz6Mq3TlMg2agNFGvynNE1HJSg:ptZBDebfnhjJfDgUzSEetg2agKveUQF

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/2560-6-0x0000000000400000-0x000000000044D000-memory.dmp	family_cycbot
behavioral1/memory/2544-13-0x0000000000400000-0x000000000044D000-memory.dmp	family_cycbot
behavioral1/memory/624-73-0x0000000000400000-0x000000000044D000-memory.dmp	family_cycbot
behavioral1/memory/2544-167-0x0000000000400000-0x000000000044D000-memory.dmp	family_cycbot
behavioral1/memory/2544-204-0x0000000000400000-0x000000000044D000-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/2544-2-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/2560-5-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/2560-6-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/2544-13-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/624-71-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/624-73-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/2544-167-0x0000000000400000-0x000000000044D000-memory.dmp	upx
behavioral1/memory/2544-204-0x0000000000400000-0x000000000044D000-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_ac6d46dcab8ed7ade415d90164052f3f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_ac6d46dcab8ed7ade415d90164052f3f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_ac6d46dcab8ed7ade415d90164052f3f.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2544 wrote to memory of 2560	2544	JaffaCakes118_ac6d46dcab8ed7ade415d90164052f3f.exe	30
PID 2544 wrote to memory of 2560	2544	JaffaCakes118_ac6d46dcab8ed7ade415d90164052f3f.exe	30
PID 2544 wrote to memory of 2560	2544	JaffaCakes118_ac6d46dcab8ed7ade415d90164052f3f.exe	30
PID 2544 wrote to memory of 2560	2544	JaffaCakes118_ac6d46dcab8ed7ade415d90164052f3f.exe	30
PID 2544 wrote to memory of 624	2544	JaffaCakes118_ac6d46dcab8ed7ade415d90164052f3f.exe	33
PID 2544 wrote to memory of 624	2544	JaffaCakes118_ac6d46dcab8ed7ade415d90164052f3f.exe	33
PID 2544 wrote to memory of 624	2544	JaffaCakes118_ac6d46dcab8ed7ade415d90164052f3f.exe	33
PID 2544 wrote to memory of 624	2544	JaffaCakes118_ac6d46dcab8ed7ade415d90164052f3f.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ac6d46dcab8ed7ade415d90164052f3f.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ac6d46dcab8ed7ade415d90164052f3f.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2544
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ac6d46dcab8ed7ade415d90164052f3f.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ac6d46dcab8ed7ade415d90164052f3f.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2560
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ac6d46dcab8ed7ade415d90164052f3f.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ac6d46dcab8ed7ade415d90164052f3f.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:624

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\B054.53F

Filesize
1KB

MD5
a2bc69eec450e82017283dc930db79a5

SHA1
97175d7f14a89801360a3fb80b6457c327ff87a3

SHA256
7cd66aedd973f72a565b436be4530be8af8f7763b2564cde595f7f80bf87426e

SHA512
efb7f217ba86b25dddc98cf8297f87e57589c73c3b70c13ee7fd90c1fc8e48657a39c3414deccd92273635dc4cafa6af04ad21c759f92af52b74c5ffb42ca0f7

Download Submit
C:\Users\Admin\AppData\Roaming\B054.53F

Filesize
600B

MD5
7c7ee0cd1f7246bb0f6e9008e1bdba3c

SHA1
740a6893a8c84cacabdc743f137aafa09eca2f17

SHA256
bfbc09f8d7bc9f5a3dac323d1de1d4702e19f2f65f94c8cdf8d40b53600a32a3

SHA512
11078a266691ed5fd07d5e7b18009534eb5a9f8bea5c565b848a690780f6f98599f7dde445b06d54d8423495ef338d153d532e9ce79092e0208aa8c3e3c0bdfe

Download Submit
C:\Users\Admin\AppData\Roaming\B054.53F

Filesize
996B

MD5
3daad1b7394b61e3d8fc527545102ebd

SHA1
bf56a1c735f24f7c7cb21af2dd924beb8e3dbe79

SHA256
5d7a205dc88bfaf05751c2c7c7e3054ee7ad5c30f30d54508ef0bb2515c19427

SHA512
c95d6dc1cbc040543b1909ecd6fe1375d439a9714ef19de473ca5f4819d104ebab95ae136f78e8f032284d04776a7c749c58863e49930b2939ee2609ad572a2d

Download Submit
memory/624-71-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/624-73-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2544-1-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2544-2-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2544-13-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2544-167-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2544-204-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2560-5-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2560-6-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download

Analysis

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