cycbot | 69dacf3eed77673675322108c043f74a6ff39150d7d6df18f449c000dab95ac4

General

Target

JaffaCakes118_0b0993a5e841e323bd411033733b1aa5.exe
Size

169KB
MD5

0b0993a5e841e323bd411033733b1aa5
SHA1

f73c29322d8ab5674dfc4b8fb088963fd5837b27
SHA256

69dacf3eed77673675322108c043f74a6ff39150d7d6df18f449c000dab95ac4
SHA512

ae894a1ebad8b8d4e1198819096a584dde3e81b4c5e04737300da3cf7513131476eb37009f9c5fab07e58e6de3b00582b863d2662529967aeb1d3f0d1e70dd20
SSDEEP

3072:wD0f7eo/zMJ9NNx0m41Ps3JiKwRvic9a:wojemMJ9NNGf14ifNz9a

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/2104-9-0x0000000000400000-0x0000000000444000-memory.dmp	family_cycbot
behavioral1/memory/1096-15-0x0000000000400000-0x0000000000444000-memory.dmp	family_cycbot
behavioral1/memory/1032-88-0x0000000000400000-0x0000000000444000-memory.dmp	family_cycbot
behavioral1/memory/1096-149-0x0000000000400000-0x0000000000444000-memory.dmp	family_cycbot
behavioral1/memory/1096-199-0x0000000000400000-0x0000000000444000-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_0b0993a5e841e323bd411033733b1aa5.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1096-2-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral1/memory/2104-9-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral1/memory/1096-15-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral1/memory/1032-88-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral1/memory/1096-149-0x0000000000400000-0x0000000000444000-memory.dmp	upx
behavioral1/memory/1096-199-0x0000000000400000-0x0000000000444000-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_0b0993a5e841e323bd411033733b1aa5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_0b0993a5e841e323bd411033733b1aa5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_0b0993a5e841e323bd411033733b1aa5.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1096 wrote to memory of 2104	1096	JaffaCakes118_0b0993a5e841e323bd411033733b1aa5.exe	30
PID 1096 wrote to memory of 2104	1096	JaffaCakes118_0b0993a5e841e323bd411033733b1aa5.exe	30
PID 1096 wrote to memory of 2104	1096	JaffaCakes118_0b0993a5e841e323bd411033733b1aa5.exe	30
PID 1096 wrote to memory of 2104	1096	JaffaCakes118_0b0993a5e841e323bd411033733b1aa5.exe	30
PID 1096 wrote to memory of 1032	1096	JaffaCakes118_0b0993a5e841e323bd411033733b1aa5.exe	32
PID 1096 wrote to memory of 1032	1096	JaffaCakes118_0b0993a5e841e323bd411033733b1aa5.exe	32
PID 1096 wrote to memory of 1032	1096	JaffaCakes118_0b0993a5e841e323bd411033733b1aa5.exe	32
PID 1096 wrote to memory of 1032	1096	JaffaCakes118_0b0993a5e841e323bd411033733b1aa5.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0b0993a5e841e323bd411033733b1aa5.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0b0993a5e841e323bd411033733b1aa5.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1096
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0b0993a5e841e323bd411033733b1aa5.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0b0993a5e841e323bd411033733b1aa5.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2104
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0b0993a5e841e323bd411033733b1aa5.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0b0993a5e841e323bd411033733b1aa5.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1032

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

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Downloads

C:\Users\Admin\AppData\Roaming\3589.5EA

Filesize
600B

MD5
a79360dc37f2a10153717c564e03c59c

SHA1
79b579f5205655260e28b64d75bcfa900cc1aa64

SHA256
c4385fa3d01eeb68eb5e39da29f59666a56c4d90bebca3302a8df9e563faff67

SHA512
0d9b384c051681653c42fa199326694363547f3bfeb41b9266254d18bc4ce0f4dbe4ade2955aee78310aa0c9ee3ace52349c2b03a2fec2c024ecf30030907146

Download Submit
C:\Users\Admin\AppData\Roaming\3589.5EA

Filesize
1KB

MD5
cd85232813f4dba80ab61f07b68b7692

SHA1
8cc2f3e7db6a00491fafe4517979771687216529

SHA256
c71282cbbcd6e9a8d289c89923c41f700d4873458121ae799b22169b58d4afdc

SHA512
1cf90402ae4fea56ae4146888401508d2c415fc4bed8861dad2a99b1ce4e9673e1ea2dfa420bac02af7f2c9c61af8a7a4453f47ad85b578f7ccdfd7f7fcf1b20

Download Submit
C:\Users\Admin\AppData\Roaming\3589.5EA

Filesize
996B

MD5
9e8a353c26f1e6a6d0ddcb4ce843df0c

SHA1
b6d777a47bfa4c6b41d958c60012477b68e9e4ca

SHA256
24a9b1d9f22973b1757fe51afdccd0f0359e591398d0e4db58f5beaa2649ab87

SHA512
7f08f7bea5c405aae33249d3ec6c56547d14b1067be5c1c2f7def218e79f7ca0b4f9c7a8eb91b245431daa1fd751e1d32107ed0e65b198f9827edf18049b6a85

Download Submit
memory/1032-88-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1096-1-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1096-2-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1096-15-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1096-149-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/1096-199-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2104-9-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2104-10-0x0000000000585000-0x000000000059E000-memory.dmp

Filesize
100KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads