cycbot | b2cd8f95a5f083f655638ac7ae1cb8b7ac7b224fee58d9a12bdd222c430552af

General

Target

JaffaCakes118_2888cdb9bf6cfa9314635f6a83bfa083.exe
Size

177KB
MD5

2888cdb9bf6cfa9314635f6a83bfa083
SHA1

b848d56f0aaafce6d046295cf42e301c065be85c
SHA256

b2cd8f95a5f083f655638ac7ae1cb8b7ac7b224fee58d9a12bdd222c430552af
SHA512

1053f1846f2ffb5ddb9a87b6e48a37a69153c283bd5a147c13d0bb161f78f9176cfb52af060680dce943320381bea00fbc13e3d6e2e70c417fb9d53b0daef15b
SSDEEP

3072:Gl2VZnoqpHoxNAQUbxMYpVBc4pjpbg1NWEuqX4xgSmS8NRVu7nHoDMW77H:GlMnLdEA/WYvBcujpb2zuqIxgSyVu7ne

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/2748-9-0x0000000000400000-0x000000000046F000-memory.dmp	family_cycbot
behavioral1/memory/2228-14-0x0000000000400000-0x000000000046F000-memory.dmp	family_cycbot
behavioral1/memory/1828-81-0x0000000000400000-0x000000000046F000-memory.dmp	family_cycbot
behavioral1/memory/2228-178-0x0000000000400000-0x000000000046F000-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 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2228-2-0x0000000000400000-0x000000000046F000-memory.dmp	upx
behavioral1/memory/2748-7-0x0000000000400000-0x000000000046F000-memory.dmp	upx
behavioral1/memory/2748-9-0x0000000000400000-0x000000000046F000-memory.dmp	upx
behavioral1/memory/2228-14-0x0000000000400000-0x000000000046F000-memory.dmp	upx
behavioral1/memory/1828-81-0x0000000000400000-0x000000000046F000-memory.dmp	upx
behavioral1/memory/2228-178-0x0000000000400000-0x000000000046F000-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_2888cdb9bf6cfa9314635f6a83bfa083.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_2888cdb9bf6cfa9314635f6a83bfa083.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_2888cdb9bf6cfa9314635f6a83bfa083.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2228 wrote to memory of 2748	2228	JaffaCakes118_2888cdb9bf6cfa9314635f6a83bfa083.exe	30
PID 2228 wrote to memory of 2748	2228	JaffaCakes118_2888cdb9bf6cfa9314635f6a83bfa083.exe	30
PID 2228 wrote to memory of 2748	2228	JaffaCakes118_2888cdb9bf6cfa9314635f6a83bfa083.exe	30
PID 2228 wrote to memory of 2748	2228	JaffaCakes118_2888cdb9bf6cfa9314635f6a83bfa083.exe	30
PID 2228 wrote to memory of 1828	2228	JaffaCakes118_2888cdb9bf6cfa9314635f6a83bfa083.exe	32
PID 2228 wrote to memory of 1828	2228	JaffaCakes118_2888cdb9bf6cfa9314635f6a83bfa083.exe	32
PID 2228 wrote to memory of 1828	2228	JaffaCakes118_2888cdb9bf6cfa9314635f6a83bfa083.exe	32
PID 2228 wrote to memory of 1828	2228	JaffaCakes118_2888cdb9bf6cfa9314635f6a83bfa083.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2888cdb9bf6cfa9314635f6a83bfa083.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2888cdb9bf6cfa9314635f6a83bfa083.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2228
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2888cdb9bf6cfa9314635f6a83bfa083.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2888cdb9bf6cfa9314635f6a83bfa083.exe startC:\Program Files (x86)\Internet Explorer\D3A9\975.exe%C:\Program Files (x86)\Internet Explorer\D3A9
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2748
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2888cdb9bf6cfa9314635f6a83bfa083.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2888cdb9bf6cfa9314635f6a83bfa083.exe startC:\Users\Admin\AppData\Roaming\9D19D\D8ED3.exe%C:\Users\Admin\AppData\Roaming\9D19D
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1828

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\9D19D\D575.D19

Filesize
1KB

MD5
1266fe9ce98381581aaaaa010b75d2af

SHA1
f012deaae7ca5dc2cb7693b300c428b9cc0ff202

SHA256
ddbd2194801daebe75192222c556103253b47555834b7320355a76c7dbda907e

SHA512
a513241c54b4d432db82d4b4b5dfcd2a48c6a11ee9ce533894d406385a21f8fcddcb4e9e6b269e1aa29bb802a2e51f16f67df4690305e18eb440628f3f338935

Download Submit
C:\Users\Admin\AppData\Roaming\9D19D\D575.D19

Filesize
600B

MD5
1505b7d569546f0fed2ebff95bfce51a

SHA1
416542db8193aa82502586e11126ee329c85e081

SHA256
17fa174c7a9d83085f0a63c7bf83fb158ca0de5c52e7d918e5c04df0e14383da

SHA512
eaba2cdad1666418d91bd22d7ce0e194fc592dab4c4d4526c4e09731f396e73e89a0babfaa77fdaa6e811d893fc330976b565bfbca30ae66b2baafa7ffbb0fa9

Download Submit
C:\Users\Admin\AppData\Roaming\9D19D\D575.D19

Filesize
996B

MD5
70b05984d4129b4be060d5fb0fa73cb8

SHA1
6068401df8e1d7b73b764e927fa1adcc58bcfb74

SHA256
ca0a1cd5b01ec7e70904739ae9a65790b99268b288a16830d9516b631e0a212b

SHA512
d1fdf2b64770792285a2b73e5796c95bc4aec1db42fb24d9bfc77b959804e52419f955bc909d4aefc7de80be535f93213e87b41039c73901612074507873f10f

Download Submit
memory/1828-81-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/2228-1-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/2228-2-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/2228-14-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/2228-178-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/2748-7-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/2748-9-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download

Analysis

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