cycbot | 9ccc95b4d76030316ab552fae69dbdb126d19cb048ac8306820ba7df634136be

General

Target

JaffaCakes118_350eab105ca0aa6c5496d97c7ceb87c5.exe
Size

156KB
MD5

350eab105ca0aa6c5496d97c7ceb87c5
SHA1

fa3559740d432459b55281a6400a783a574bec86
SHA256

9ccc95b4d76030316ab552fae69dbdb126d19cb048ac8306820ba7df634136be
SHA512

523ed4c735037b551e1bc43961026857c8516e32369ab797c05c9aa1b9c1e3fa4c775523e592dc49457cbbfdc7e7f03d599d4da55f35097ddfdac7fddf3573c0
SSDEEP

3072:NgeidsspSREFH/wyI6lKZo1WMlbKm0F6atVc2agaffMHEyaTkvA:TPsO6H5IYYDMlbl0FfW2fafUkpTr

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 5 IoCs

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

resource	yara_rule
behavioral1/memory/2284-8-0x0000000000400000-0x0000000000442000-memory.dmp	family_cycbot
behavioral1/memory/2368-19-0x0000000000400000-0x0000000000442000-memory.dmp	family_cycbot
behavioral1/memory/2368-96-0x0000000000400000-0x0000000000442000-memory.dmp	family_cycbot
behavioral1/memory/1900-99-0x0000000000400000-0x0000000000442000-memory.dmp	family_cycbot
behavioral1/memory/2368-217-0x0000000000400000-0x0000000000442000-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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\conhost = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\conhost.exe"	JaffaCakes118_350eab105ca0aa6c5496d97c7ceb87c5.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2368-2-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/2284-7-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/2284-8-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/2368-19-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/2368-96-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/1900-98-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/1900-99-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/2368-217-0x0000000000400000-0x0000000000442000-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_350eab105ca0aa6c5496d97c7ceb87c5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_350eab105ca0aa6c5496d97c7ceb87c5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_350eab105ca0aa6c5496d97c7ceb87c5.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2368 wrote to memory of 2284	2368	JaffaCakes118_350eab105ca0aa6c5496d97c7ceb87c5.exe	30
PID 2368 wrote to memory of 2284	2368	JaffaCakes118_350eab105ca0aa6c5496d97c7ceb87c5.exe	30
PID 2368 wrote to memory of 2284	2368	JaffaCakes118_350eab105ca0aa6c5496d97c7ceb87c5.exe	30
PID 2368 wrote to memory of 2284	2368	JaffaCakes118_350eab105ca0aa6c5496d97c7ceb87c5.exe	30
PID 2368 wrote to memory of 1900	2368	JaffaCakes118_350eab105ca0aa6c5496d97c7ceb87c5.exe	33
PID 2368 wrote to memory of 1900	2368	JaffaCakes118_350eab105ca0aa6c5496d97c7ceb87c5.exe	33
PID 2368 wrote to memory of 1900	2368	JaffaCakes118_350eab105ca0aa6c5496d97c7ceb87c5.exe	33
PID 2368 wrote to memory of 1900	2368	JaffaCakes118_350eab105ca0aa6c5496d97c7ceb87c5.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_350eab105ca0aa6c5496d97c7ceb87c5.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_350eab105ca0aa6c5496d97c7ceb87c5.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2368
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_350eab105ca0aa6c5496d97c7ceb87c5.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_350eab105ca0aa6c5496d97c7ceb87c5.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2284
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_350eab105ca0aa6c5496d97c7ceb87c5.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_350eab105ca0aa6c5496d97c7ceb87c5.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1900

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\6694.9F4

Filesize
1KB

MD5
1f847c8afe4e3e25b75488d1f4f0629b

SHA1
fe191ee10f5e98f5a96ff53017d36df24c4692e6

SHA256
7b8770e9df1f531a8bc0f2ee60e84c017ccad72d40cb50e8a0b924ddd136a47c

SHA512
3596c8768cfa72700b611a0e26e10f769ff9c3826aff0d30a5f1b661df1afb6817ba5dfd86f4c240d07b4a43d4ec5909cccb956d7e5048bd5dc655c02d359244

Download Submit
C:\Users\Admin\AppData\Roaming\6694.9F4

Filesize
597B

MD5
6c299258f2f31ec73f6eed04d260eae6

SHA1
bfe11fd76412aed0b9f2542df1b518dff464eb49

SHA256
b5df642c9d773cb5c37a6c59005e07824eca72e8a8f8f84b3ff71b7ba19a707d

SHA512
87bcbc1e576a55592a6310ab280cc810f93b1348c6548adc4768978bf2e8fe9143eedf26b7a7cc26d5389052c27b3422a49020f9e7e596cefaf0db1c87fa4798

Download Submit
C:\Users\Admin\AppData\Roaming\6694.9F4

Filesize
1KB

MD5
85683d784d53f204f72526bbcc6c6ae3

SHA1
084b2fc12eca2139cc336d317333e62ec3fa90c8

SHA256
61da188a07ee4e43c24847a668354d6a6ad8ccc376ca40cf90dc36706e5755ea

SHA512
73d294bb4bd8140bcec3032f7ef598eb33927d0316d2d3d2db0ad55f3aa9fea4cea086e3f3813e4f8e33a52a94e134325006afb4ea4eef733272909d0d509a36

Download Submit
C:\Users\Admin\AppData\Roaming\6694.9F4

Filesize
897B

MD5
5ef01e6a7a3fae2c619b93d3dbb90c1f

SHA1
eaecdb5d1e1e741581e35c2b191f248a1d4a2123

SHA256
2a95d3f24c5757f9c6892436b22f240bb6da498108a3e43653c705e914b7949c

SHA512
c26919f4a43a0857660957338785d3d1eb39f5d3c2ee667157cd91a9159dca16fe8109cacc7091806dfb3923f1349cbf00a34a943fccf0652d41483c1ba2ad44

Download Submit
memory/1900-99-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/1900-98-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2284-8-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2284-7-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2368-19-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2368-96-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2368-1-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2368-2-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2368-217-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads