cycbot | d672f3e4263ec8b715641a76958407a73bb15401e8f93b7d41372b8946b12b8c

General

Target

f202d2e4278ac5144051f219f703d66d_JaffaCakes118.exe
Size

181KB
MD5

f202d2e4278ac5144051f219f703d66d
SHA1

53a3869d925f9e98eb9afc0962791a67fdce1596
SHA256

d672f3e4263ec8b715641a76958407a73bb15401e8f93b7d41372b8946b12b8c
SHA512

b2c16312bab6204115fa38491670469516b39e0ddeec004da4cb2ca24f4231739d2bc7848fdfd055af40893a65481db2009c6196287a47d71170765333ceae11
SSDEEP

3072:DIAIbOci8DKZH1oWMVBSYs3nO04OymqBQqk6C+RT+ciJnwPAaZZaOpc1CKNFZ:DIAIbji5VoRXSH3nAQqjRTmsXZZaNCuZ

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/2608-5-0x0000000000400000-0x0000000000442000-memory.dmp	family_cycbot
behavioral1/memory/2320-13-0x0000000000400000-0x0000000000442000-memory.dmp	family_cycbot
behavioral1/memory/900-80-0x0000000000400000-0x0000000000442000-memory.dmp	family_cycbot
behavioral1/memory/2320-81-0x0000000000400000-0x0000000000442000-memory.dmp	family_cycbot
behavioral1/memory/2320-180-0x0000000000400000-0x0000000000442000-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"	f202d2e4278ac5144051f219f703d66d_JaffaCakes118.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2320-2-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/2608-5-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/2320-13-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/900-78-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/900-80-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/2320-81-0x0000000000400000-0x0000000000442000-memory.dmp	upx
behavioral1/memory/2320-180-0x0000000000400000-0x0000000000442000-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	f202d2e4278ac5144051f219f703d66d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f202d2e4278ac5144051f219f703d66d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f202d2e4278ac5144051f219f703d66d_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2320 wrote to memory of 2608	2320	f202d2e4278ac5144051f219f703d66d_JaffaCakes118.exe	29
PID 2320 wrote to memory of 2608	2320	f202d2e4278ac5144051f219f703d66d_JaffaCakes118.exe	29
PID 2320 wrote to memory of 2608	2320	f202d2e4278ac5144051f219f703d66d_JaffaCakes118.exe	29
PID 2320 wrote to memory of 2608	2320	f202d2e4278ac5144051f219f703d66d_JaffaCakes118.exe	29
PID 2320 wrote to memory of 900	2320	f202d2e4278ac5144051f219f703d66d_JaffaCakes118.exe	31
PID 2320 wrote to memory of 900	2320	f202d2e4278ac5144051f219f703d66d_JaffaCakes118.exe	31
PID 2320 wrote to memory of 900	2320	f202d2e4278ac5144051f219f703d66d_JaffaCakes118.exe	31
PID 2320 wrote to memory of 900	2320	f202d2e4278ac5144051f219f703d66d_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\f202d2e4278ac5144051f219f703d66d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f202d2e4278ac5144051f219f703d66d_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2320
- C:\Users\Admin\AppData\Local\Temp\f202d2e4278ac5144051f219f703d66d_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\f202d2e4278ac5144051f219f703d66d_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2608
- C:\Users\Admin\AppData\Local\Temp\f202d2e4278ac5144051f219f703d66d_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\f202d2e4278ac5144051f219f703d66d_JaffaCakes118.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  - System Location Discovery: System Language Discovery
  PID:900

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\DE37.656

Filesize
1KB

MD5
6bafb1058db2b5e076f755547a1ca449

SHA1
64de02f22dad9091b9c6e9af74a049a806c37872

SHA256
73052cab064147ea867601e25f04761d5395fcf9fb6f9481bc7d76e404994789

SHA512
a1ec90e19fe4fa0be9122c1ddac33e5c2d5639d51cb161649dde00337d5b29dab64514904dd401d53a9c2599da1716a8299070db0c84f3d2272a8aaa85a73618

Download Submit
C:\Users\Admin\AppData\Roaming\DE37.656

Filesize
600B

MD5
dab23f11985a83de4a35aa6241cf47af

SHA1
c937901cf46f04ccdfa0c059a54945457ce20c7a

SHA256
7370ab43067b76c42b1cc483627017d990c1f729e55f4abc7ff98512b0bf6263

SHA512
104ab131f30e9c71907a274121204dfce98ffa3ba076ec1b2d0e7a4191179afd11413e1ed300ab37256489da9e60b45de082491bb9bdd0795aea3acbe10886d3

Download Submit
C:\Users\Admin\AppData\Roaming\DE37.656

Filesize
996B

MD5
99c64da592e6051460512a787bf52d20

SHA1
0072edf2a1f66125b02ddc142d13ae1d4bd3bc8b

SHA256
e329aa78eb125c06174ba7970eb280c16de26ae34ff287762bb57faa0c51d247

SHA512
716b6adb4b60a41c27bc74607bc6c7539cce6be88ef893873f6b90a489787e0f14437f22b3cd8316f952adf2cf8564ddd09d4dd11cef732c5af6f0e93499fbf3

Download Submit
memory/900-78-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/900-80-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2320-1-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2320-2-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2320-13-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2320-81-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2320-180-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2608-5-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads