cycbot | 213dd5b67ceac216ab5b5f66ef9b3e57880139dd8d3f84aaac942e27cde21799

General

Target

JaffaCakes118_0d4efbd79a37623d6369dee3c5b064a3.exe
Size

164KB
MD5

0d4efbd79a37623d6369dee3c5b064a3
SHA1

2407501e662580dfe1060e66598439e33835a089
SHA256

213dd5b67ceac216ab5b5f66ef9b3e57880139dd8d3f84aaac942e27cde21799
SHA512

c8b94bc4cdcba5249f4b4f2f4ee2a051d9d394d840a1a94e820319bd7bd1187f1ca1f4d537ee204b4348d5102747c6f59fafc8301648b63f0697f041b8e81bf0
SSDEEP

3072:LTXmsHhK9s7K5KlAPm/6toqdamFpQHF/Ji6phss0jBNX4hkSDe+617PZKDF8h:OsHcq72KWWQamFMriy0jBAe7PZyF8

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 7 IoCs

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

resource	yara_rule
behavioral1/memory/2764-14-0x0000000000400000-0x0000000000491000-memory.dmp	family_cycbot
behavioral1/memory/2764-16-0x0000000000400000-0x0000000000491000-memory.dmp	family_cycbot
behavioral1/memory/2852-17-0x0000000000400000-0x0000000000491000-memory.dmp	family_cycbot
behavioral1/memory/2852-18-0x0000000000400000-0x000000000048E000-memory.dmp	family_cycbot
behavioral1/memory/2228-125-0x0000000000400000-0x0000000000491000-memory.dmp	family_cycbot
behavioral1/memory/2852-126-0x0000000000400000-0x0000000000491000-memory.dmp	family_cycbot
behavioral1/memory/2852-292-0x0000000000400000-0x0000000000491000-memory.dmp	family_cycbot

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\Users\\Admin\\AppData\\Roaming\\25E67\\E0FBF.exe"	JaffaCakes118_0d4efbd79a37623d6369dee3c5b064a3.exe

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 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2852-3-0x0000000000400000-0x0000000000491000-memory.dmp	upx
behavioral1/memory/2764-14-0x0000000000400000-0x0000000000491000-memory.dmp	upx
behavioral1/memory/2764-16-0x0000000000400000-0x0000000000491000-memory.dmp	upx
behavioral1/memory/2852-17-0x0000000000400000-0x0000000000491000-memory.dmp	upx
behavioral1/memory/2852-18-0x0000000000400000-0x000000000048E000-memory.dmp	upx
behavioral1/memory/2228-124-0x0000000000400000-0x0000000000491000-memory.dmp	upx
behavioral1/memory/2228-125-0x0000000000400000-0x0000000000491000-memory.dmp	upx
behavioral1/memory/2852-126-0x0000000000400000-0x0000000000491000-memory.dmp	upx
behavioral1/memory/2852-292-0x0000000000400000-0x0000000000491000-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_0d4efbd79a37623d6369dee3c5b064a3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_0d4efbd79a37623d6369dee3c5b064a3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_0d4efbd79a37623d6369dee3c5b064a3.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2852 wrote to memory of 2764	2852	JaffaCakes118_0d4efbd79a37623d6369dee3c5b064a3.exe	30
PID 2852 wrote to memory of 2764	2852	JaffaCakes118_0d4efbd79a37623d6369dee3c5b064a3.exe	30
PID 2852 wrote to memory of 2764	2852	JaffaCakes118_0d4efbd79a37623d6369dee3c5b064a3.exe	30
PID 2852 wrote to memory of 2764	2852	JaffaCakes118_0d4efbd79a37623d6369dee3c5b064a3.exe	30
PID 2852 wrote to memory of 2228	2852	JaffaCakes118_0d4efbd79a37623d6369dee3c5b064a3.exe	32
PID 2852 wrote to memory of 2228	2852	JaffaCakes118_0d4efbd79a37623d6369dee3c5b064a3.exe	32
PID 2852 wrote to memory of 2228	2852	JaffaCakes118_0d4efbd79a37623d6369dee3c5b064a3.exe	32
PID 2852 wrote to memory of 2228	2852	JaffaCakes118_0d4efbd79a37623d6369dee3c5b064a3.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0d4efbd79a37623d6369dee3c5b064a3.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0d4efbd79a37623d6369dee3c5b064a3.exe"
1⤵
- Modifies WinLogon for persistence
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2852
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0d4efbd79a37623d6369dee3c5b064a3.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0d4efbd79a37623d6369dee3c5b064a3.exe startC:\Program Files (x86)\LP\BF82\6A3.exe%C:\Program Files (x86)\LP\BF82
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2764
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0d4efbd79a37623d6369dee3c5b064a3.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0d4efbd79a37623d6369dee3c5b064a3.exe startC:\Program Files (x86)\674BC\lvvm.exe%C:\Program Files (x86)\674BC
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2228

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

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\25E67\74BC.5E6

Filesize
996B

MD5
af317267cbac2b9e9e09ac93d9c24e61

SHA1
e8f237ff8876fa5901e5e9841320768482660972

SHA256
8f13915198dbd319bf085c38a675540f3c599bc55c07a03fb9b24076b40b4c7f

SHA512
c0a348023f93a2db9ad83ecbed02935b43ba29ad139943f168b4384764df53246734ca63d997b438632f04bd02b0a761bab0690f3dad7142c522f700b7650816

Download Submit
C:\Users\Admin\AppData\Roaming\25E67\74BC.5E6

Filesize
600B

MD5
6fcd1d8cd852173f0be81edc21d9eaab

SHA1
d5ee19d7631383660508d72e6fe8544c9dfba31f

SHA256
0c7f139fa6f93dc525c46b4f3f5b665e8602284990e441d935de8d4be62b8801

SHA512
caf5df133665bcb259d718f99bfddfc28137d4118fcdb00e4b8de0264d195da602ff4e2d3cc4c2146a97e4292562d00865c0205d607a0a6328898020911d7db3

Download Submit
C:\Users\Admin\AppData\Roaming\25E67\74BC.5E6

Filesize
1KB

MD5
0b5e63e8151c2c001b3eb1ec6c7b7c82

SHA1
384040316ffb77700b1d2d32bbc538bd039fa291

SHA256
5a5604fc50c603a4d9be449d967ec527337f7f5706ea95d81c16be7315a1e1bb

SHA512
387960f7b0a15330c8604b2ff1cc9220d78d5478c99b1123b26d91aa084f0657fc3d2dad1671397a19d60a01216652531561863797746daa1ff67c8a0b0aeb2e

Download Submit
memory/2228-125-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download
memory/2228-124-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download
memory/2764-14-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download
memory/2764-16-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download
memory/2852-18-0x0000000000400000-0x000000000048E000-memory.dmp

Filesize
568KB

Download
memory/2852-17-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download
memory/2852-0-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download
memory/2852-126-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download
memory/2852-3-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download
memory/2852-2-0x0000000000400000-0x000000000048E000-memory.dmp

Filesize
568KB

Download
memory/2852-292-0x0000000000400000-0x0000000000491000-memory.dmp

Filesize
580KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads