cycbot | 4d04d4cba80f79fea58eab7bf6bee65f3948c61346522d3b85b3a9f6a90d23fc

General

Target

JaffaCakes118_e6d885eb1d823ec529e6531cb10a0eb4.exe
Size

185KB
MD5

e6d885eb1d823ec529e6531cb10a0eb4
SHA1

ec34af5e3463851fb1fc2aa640d70cbf945f00e7
SHA256

4d04d4cba80f79fea58eab7bf6bee65f3948c61346522d3b85b3a9f6a90d23fc
SHA512

3d05cff85baaf031f1eef6ee85068bfd2ca6cc82833b547acd8ac8813a64c8b6a58f8f2e108d011ce011e3dc77bf5c8cab4ad3c38a543f427cea98958437a60f
SSDEEP

3072:qEP9Y//xDNBb9brg7NOUn5dMm9wFuCSiGbTRMI85+3kKS62CnyB1ZEPY:qs9Y//rBdrg7NL56VN0K50kO2CnyB1Zg

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 4 IoCs

Cycbot is a backdoor and trojan written in C++.

resource	yara_rule
behavioral1/memory/2016-10-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/2440-15-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/2252-71-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/2440-180-0x0000000000400000-0x000000000044E000-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/2440-2-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2016-8-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2016-10-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2440-15-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2252-70-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2252-71-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2440-180-0x0000000000400000-0x000000000044E000-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_e6d885eb1d823ec529e6531cb10a0eb4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_e6d885eb1d823ec529e6531cb10a0eb4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_e6d885eb1d823ec529e6531cb10a0eb4.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2440 wrote to memory of 2016	2440	JaffaCakes118_e6d885eb1d823ec529e6531cb10a0eb4.exe	28
PID 2440 wrote to memory of 2016	2440	JaffaCakes118_e6d885eb1d823ec529e6531cb10a0eb4.exe	28
PID 2440 wrote to memory of 2016	2440	JaffaCakes118_e6d885eb1d823ec529e6531cb10a0eb4.exe	28
PID 2440 wrote to memory of 2016	2440	JaffaCakes118_e6d885eb1d823ec529e6531cb10a0eb4.exe	28
PID 2440 wrote to memory of 2252	2440	JaffaCakes118_e6d885eb1d823ec529e6531cb10a0eb4.exe	30
PID 2440 wrote to memory of 2252	2440	JaffaCakes118_e6d885eb1d823ec529e6531cb10a0eb4.exe	30
PID 2440 wrote to memory of 2252	2440	JaffaCakes118_e6d885eb1d823ec529e6531cb10a0eb4.exe	30
PID 2440 wrote to memory of 2252	2440	JaffaCakes118_e6d885eb1d823ec529e6531cb10a0eb4.exe	30

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e6d885eb1d823ec529e6531cb10a0eb4.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e6d885eb1d823ec529e6531cb10a0eb4.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2440
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e6d885eb1d823ec529e6531cb10a0eb4.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e6d885eb1d823ec529e6531cb10a0eb4.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2016
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e6d885eb1d823ec529e6531cb10a0eb4.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e6d885eb1d823ec529e6531cb10a0eb4.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2252

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\114F.986

Filesize
1KB

MD5
28ea5ca92af3d4687011854aa7b67543

SHA1
1077931ef95f33d601f04e324a061079fa4ed92d

SHA256
e18b419d5fa0ace53cea12ca5d85e0861cc1a100336411ce81660704f957ebc5

SHA512
51de26e333965fb674f054af10b268098efa1c855e29fea70af08212a14a9f651faeb1395f7718ca61d600ff3d7a27898f5a2e719d500ffe32ca983a4b8486b6

Download Submit
C:\Users\Admin\AppData\Roaming\114F.986

Filesize
600B

MD5
a04a530db678379a83a587f42952720b

SHA1
c6b35a5e8a83b95aaa4887a13497988b82e9bdff

SHA256
cfbec9e15948c1912d7c5eccdd6e05ad8efc7ecd8e159d6fb42629543d3472d9

SHA512
ed17d6e55aa60515a3a2aef635d0da945315a638f0b88f8e8d4e90ce6865b668f39c05fe680e47bb3c1a41a2b4116e3788cffc350856fe5981fadb02c7f05942

Download Submit
C:\Users\Admin\AppData\Roaming\114F.986

Filesize
996B

MD5
7993fe0c247d0da305ce4c5ec24e5aee

SHA1
2b27605dcf257cdd85420a104d4d086f532fd0ec

SHA256
3f7d7372330c09d532a689fa324d5812343ae544c7eb283afb3842be0af923ac

SHA512
c9175c0bcc9cce5b9b85b79f018078adf21ca8eb17eb5737a962bc31bf4f3421a96158e156ec2c4c8d3ad690e7b0dda0349f68d2fdfc8c03a391815a1b0caa31

Download Submit
memory/2016-8-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2016-10-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2252-70-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2252-71-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2440-1-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2440-2-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2440-15-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2440-180-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

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