cycbot | 4a48287a6119abd0bc3cd681a10a1a59caae84a07d41741b1b40540310472754

General

Target

JaffaCakes118_69436a95d9e12c6c5b67c51bce071539.exe
Size

172KB
MD5

69436a95d9e12c6c5b67c51bce071539
SHA1

ae183cad978d41b2423c8a66ca95895295d7d837
SHA256

4a48287a6119abd0bc3cd681a10a1a59caae84a07d41741b1b40540310472754
SHA512

d13caf3011695efa075763e842ff004649c3c151dd888385630bd2448c730a7dc3ffb97c6a32ae8b13a773f2eec52bd91be212dbaf136baaae2db39408c77134
SSDEEP

3072:O5j5iPxhLT3lemGR8HtQ5Av6yEBVQi547aZfnvtTH6oXSXJzhUdWRC9BXGQXeLni:O7iPxhLT1HGee7VQi5VvVzohhUdwC9xd

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 6 IoCs

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

resource	yara_rule
behavioral1/memory/2708-13-0x0000000000400000-0x0000000000490000-memory.dmp	family_cycbot
behavioral1/memory/2412-14-0x0000000000400000-0x000000000048E000-memory.dmp	family_cycbot
behavioral1/memory/2412-15-0x0000000000400000-0x0000000000490000-memory.dmp	family_cycbot
behavioral1/memory/1892-131-0x0000000000400000-0x0000000000490000-memory.dmp	family_cycbot
behavioral1/memory/2412-132-0x0000000000400000-0x0000000000490000-memory.dmp	family_cycbot
behavioral1/memory/2412-302-0x0000000000400000-0x0000000000490000-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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\Users\\Admin\\AppData\\Roaming\\5CE2D\\222BB.exe"	JaffaCakes118_69436a95d9e12c6c5b67c51bce071539.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/2412-2-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral1/memory/2708-12-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral1/memory/2708-13-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral1/memory/2412-14-0x0000000000400000-0x000000000048E000-memory.dmp	upx
behavioral1/memory/2412-15-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral1/memory/1892-129-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral1/memory/1892-131-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral1/memory/2412-132-0x0000000000400000-0x0000000000490000-memory.dmp	upx
behavioral1/memory/2412-302-0x0000000000400000-0x0000000000490000-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_69436a95d9e12c6c5b67c51bce071539.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_69436a95d9e12c6c5b67c51bce071539.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_69436a95d9e12c6c5b67c51bce071539.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2412 wrote to memory of 2708	2412	JaffaCakes118_69436a95d9e12c6c5b67c51bce071539.exe	30
PID 2412 wrote to memory of 2708	2412	JaffaCakes118_69436a95d9e12c6c5b67c51bce071539.exe	30
PID 2412 wrote to memory of 2708	2412	JaffaCakes118_69436a95d9e12c6c5b67c51bce071539.exe	30
PID 2412 wrote to memory of 2708	2412	JaffaCakes118_69436a95d9e12c6c5b67c51bce071539.exe	30
PID 2412 wrote to memory of 1892	2412	JaffaCakes118_69436a95d9e12c6c5b67c51bce071539.exe	32
PID 2412 wrote to memory of 1892	2412	JaffaCakes118_69436a95d9e12c6c5b67c51bce071539.exe	32
PID 2412 wrote to memory of 1892	2412	JaffaCakes118_69436a95d9e12c6c5b67c51bce071539.exe	32
PID 2412 wrote to memory of 1892	2412	JaffaCakes118_69436a95d9e12c6c5b67c51bce071539.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_69436a95d9e12c6c5b67c51bce071539.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_69436a95d9e12c6c5b67c51bce071539.exe"
1⤵
- Modifies WinLogon for persistence
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2412
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_69436a95d9e12c6c5b67c51bce071539.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_69436a95d9e12c6c5b67c51bce071539.exe startC:\Program Files (x86)\LP\BBA5\ADB.exe%C:\Program Files (x86)\LP\BBA5
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2708
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_69436a95d9e12c6c5b67c51bce071539.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_69436a95d9e12c6c5b67c51bce071539.exe startC:\Program Files (x86)\2DB0E\lvvm.exe%C:\Program Files (x86)\2DB0E
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1892

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\5CE2D\DB0E.CE2

Filesize
996B

MD5
378996c01bad0f3a7712445522fe7db4

SHA1
6fd1f13deb7af56999e906b965840792de0c4f09

SHA256
8f49335d38b547fc73750514466dbbf46852ff26bb28c539391a23b960a813d4

SHA512
673e8ae98f8b3b9734c348f927922c8437585d4e6573caf3174e48c30da6b1e0bea0528ea49b781d3cb39a4ba09fe36040f5d2c5479557bab4837d10bea85202

Download Submit
C:\Users\Admin\AppData\Roaming\5CE2D\DB0E.CE2

Filesize
600B

MD5
765fbbc68cf9ecbeaf6ad81280ca365b

SHA1
9319616e6eee62fb7aa99f2609a5245c7d657402

SHA256
ec05c2cc662c49817dac83b4f243b75272c96dd53334838064602b856f7dc255

SHA512
26d70ddfede874a1531290856ba838a9745c9326a1d894574ad4c4848ea7fe3a836f106b3c9c3cef8062d3077d6dec4a19df725e60b579f7f4d8004b40f962f6

Download Submit
C:\Users\Admin\AppData\Roaming\5CE2D\DB0E.CE2

Filesize
1KB

MD5
f14445f589ff42af17d0cc1073c820a2

SHA1
b3e75a63158dcb848e59675ae803b468d17a2bbb

SHA256
2d754c1613479e64a1f431286ddfb9b3aac6f7bbdd23767f0f8985dee9c85125

SHA512
e5e7b13d357217eea0374f16cb6fc1c95d5932f7c20dc7d210130ac3026fea1454631076189298aef385e75190b95f801b65de7a06a0c7aa599116cc478e2457

Download Submit
memory/1892-128-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/1892-129-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/1892-131-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/2412-14-0x0000000000400000-0x000000000048E000-memory.dmp

Filesize
568KB

Download
memory/2412-15-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/2412-1-0x0000000000400000-0x000000000048E000-memory.dmp

Filesize
568KB

Download
memory/2412-132-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/2412-2-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/2412-302-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/2708-13-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download
memory/2708-12-0x0000000000400000-0x0000000000490000-memory.dmp

Filesize
576KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads