cycbot | 753c4ea12c9956a951c53bdc3513f83fe3208286509c23e0740a51e40ee6563d

General

Target

922e759e6a460205f2cbb6bc9750fc9e_JaffaCakes118.exe
Size

166KB
MD5

922e759e6a460205f2cbb6bc9750fc9e
SHA1

8d82ecfe1301fa24e74316f63533d517dafe1805
SHA256

753c4ea12c9956a951c53bdc3513f83fe3208286509c23e0740a51e40ee6563d
SHA512

26c968326b945631bf98ad52dc9ef8d666bb28e32565d285d47454aa5fbdb2b5f69696505a1e665bfb63604bdd7e55a2c4c28437ffe99e256593f17269436bab
SSDEEP

3072:mTN49AHExCCAQYNaz0ZCm3BhsHA4rwozQqjhEt+ov:zbxlvz0ZCoYwIjzov

Score

10^/10

cycbot backdoor discovery persistence rat 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
behavioral2/memory/744-9-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral2/memory/3504-14-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral2/memory/3504-84-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral2/memory/3144-88-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral2/memory/3504-198-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot

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"	922e759e6a460205f2cbb6bc9750fc9e_JaffaCakes118.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3504-1-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral2/memory/744-7-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral2/memory/744-9-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral2/memory/3504-14-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral2/memory/3504-84-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral2/memory/3144-88-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral2/memory/3504-198-0x0000000000400000-0x0000000000445000-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	922e759e6a460205f2cbb6bc9750fc9e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	922e759e6a460205f2cbb6bc9750fc9e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	922e759e6a460205f2cbb6bc9750fc9e_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3504 wrote to memory of 744	3504	922e759e6a460205f2cbb6bc9750fc9e_JaffaCakes118.exe	82
PID 3504 wrote to memory of 744	3504	922e759e6a460205f2cbb6bc9750fc9e_JaffaCakes118.exe	82
PID 3504 wrote to memory of 744	3504	922e759e6a460205f2cbb6bc9750fc9e_JaffaCakes118.exe	82
PID 3504 wrote to memory of 3144	3504	922e759e6a460205f2cbb6bc9750fc9e_JaffaCakes118.exe	90
PID 3504 wrote to memory of 3144	3504	922e759e6a460205f2cbb6bc9750fc9e_JaffaCakes118.exe	90
PID 3504 wrote to memory of 3144	3504	922e759e6a460205f2cbb6bc9750fc9e_JaffaCakes118.exe	90

C:\Users\Admin\AppData\Local\Temp\922e759e6a460205f2cbb6bc9750fc9e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\922e759e6a460205f2cbb6bc9750fc9e_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3504
- C:\Users\Admin\AppData\Local\Temp\922e759e6a460205f2cbb6bc9750fc9e_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\922e759e6a460205f2cbb6bc9750fc9e_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:744
- C:\Users\Admin\AppData\Local\Temp\922e759e6a460205f2cbb6bc9750fc9e_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\922e759e6a460205f2cbb6bc9750fc9e_JaffaCakes118.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3144

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

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\C1CE.49D

Filesize
1KB

MD5
d18114d214eff55b96ce2a482c1dc73c

SHA1
3f62561a024fa358e676c8cbb65203669fccedb2

SHA256
52ba532eb135a3b77bd2791f70ddf9c0c5334e940307774a67b31c20f1617e46

SHA512
cf01ace48d8b8d2c2fcc3212977fb951f6f934c4a93e5eebd48d963162d225246c67da4ea1abe213cbcfb370a243b9e11ba580f2f04f42970fbe13bddb76dc8d

Download Submit
C:\Users\Admin\AppData\Roaming\C1CE.49D

Filesize
600B

MD5
d1547ebb8f701c9c561017285b6d3bd4

SHA1
ca52cd5e56fda72e53ed91dc130ccc2764de32c3

SHA256
67da0411a413b3f65b566bb7493b6ed3606a2532c5a489d91c7c91971f230b20

SHA512
a9fd90b751022e1860af77138fcfe0c0b1bf934a89bdfe6870fd861aecaa3cdcc0873124f23708d943ee0925f568c84c9cd0c102d84e76bd720d319274cba412

Download Submit
C:\Users\Admin\AppData\Roaming\C1CE.49D

Filesize
996B

MD5
a2d0d12d1ff8dd9462c219cfec9a6a5d

SHA1
97eda21442de50c3cdb070c4e4bd6c2b96dcf2de

SHA256
a19f1eddc44a630c4d46b8599bac860110f9304b0514ae61a6e05b7edaedecdd

SHA512
4c039e7f31a73429bf5577337113cedbed6428792916e66d0d9ff803676bf3e79e6af4ccbe06c9978c510c3078b3a6d9b05a8b04ff4222784431d64bad0df5dd

Download Submit
memory/744-7-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/744-9-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/3144-86-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/3144-88-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/3504-1-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/3504-14-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/3504-84-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/3504-198-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads