cycbot | 0e45e1853c0bc76bc96fcd66244e3b3a08647002878ede3b0de16178f1de03e7

General

Target

f7269db071401b7ae77a9ad435e7d7c1_JaffaCakes118.exe
Size

185KB
MD5

f7269db071401b7ae77a9ad435e7d7c1
SHA1

5a40a6c631044d1baff47d5033bd75dfb2d25567
SHA256

0e45e1853c0bc76bc96fcd66244e3b3a08647002878ede3b0de16178f1de03e7
SHA512

2fa905023eb7b98914ca7f1c0614af9433ad2405b11db01a843fbaad8927e9cefe9305ed73a45421bfc4dbf141cf9cf6a8e945fbee89d175062d5ba353111221
SSDEEP

3072:KO9NrNPYqjpXjOJ+rxgi0UNa4X0BvTZSc9NKRWjR7TEaafoGvD+YIgz2w1W/dda:NLPYqNXSJSWi0UNa4EBboc9NIYEoGvDB

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/816-5-0x0000000000400000-0x0000000000443000-memory.dmp	family_cycbot
behavioral1/memory/1016-13-0x0000000000400000-0x0000000000443000-memory.dmp	family_cycbot
behavioral1/memory/1016-72-0x0000000000400000-0x0000000000443000-memory.dmp	family_cycbot
behavioral1/memory/2988-75-0x0000000000400000-0x0000000000443000-memory.dmp	family_cycbot
behavioral1/memory/1016-76-0x0000000000400000-0x0000000000443000-memory.dmp	family_cycbot
behavioral1/memory/1016-183-0x0000000000400000-0x0000000000443000-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"	f7269db071401b7ae77a9ad435e7d7c1_JaffaCakes118.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1016-2-0x0000000000400000-0x0000000000443000-memory.dmp	upx
behavioral1/memory/816-5-0x0000000000400000-0x0000000000443000-memory.dmp	upx
behavioral1/memory/1016-13-0x0000000000400000-0x0000000000443000-memory.dmp	upx
behavioral1/memory/1016-72-0x0000000000400000-0x0000000000443000-memory.dmp	upx
behavioral1/memory/2988-74-0x0000000000400000-0x0000000000443000-memory.dmp	upx
behavioral1/memory/2988-75-0x0000000000400000-0x0000000000443000-memory.dmp	upx
behavioral1/memory/1016-76-0x0000000000400000-0x0000000000443000-memory.dmp	upx
behavioral1/memory/1016-183-0x0000000000400000-0x0000000000443000-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	f7269db071401b7ae77a9ad435e7d7c1_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f7269db071401b7ae77a9ad435e7d7c1_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f7269db071401b7ae77a9ad435e7d7c1_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1016 wrote to memory of 816	1016	f7269db071401b7ae77a9ad435e7d7c1_JaffaCakes118.exe	30
PID 1016 wrote to memory of 816	1016	f7269db071401b7ae77a9ad435e7d7c1_JaffaCakes118.exe	30
PID 1016 wrote to memory of 816	1016	f7269db071401b7ae77a9ad435e7d7c1_JaffaCakes118.exe	30
PID 1016 wrote to memory of 816	1016	f7269db071401b7ae77a9ad435e7d7c1_JaffaCakes118.exe	30
PID 1016 wrote to memory of 2988	1016	f7269db071401b7ae77a9ad435e7d7c1_JaffaCakes118.exe	33
PID 1016 wrote to memory of 2988	1016	f7269db071401b7ae77a9ad435e7d7c1_JaffaCakes118.exe	33
PID 1016 wrote to memory of 2988	1016	f7269db071401b7ae77a9ad435e7d7c1_JaffaCakes118.exe	33
PID 1016 wrote to memory of 2988	1016	f7269db071401b7ae77a9ad435e7d7c1_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\f7269db071401b7ae77a9ad435e7d7c1_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f7269db071401b7ae77a9ad435e7d7c1_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1016
- C:\Users\Admin\AppData\Local\Temp\f7269db071401b7ae77a9ad435e7d7c1_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\f7269db071401b7ae77a9ad435e7d7c1_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:816
- C:\Users\Admin\AppData\Local\Temp\f7269db071401b7ae77a9ad435e7d7c1_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\f7269db071401b7ae77a9ad435e7d7c1_JaffaCakes118.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2988

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\775D.745

Filesize
600B

MD5
04ec616f2c1fb076ce13355ec921b3a0

SHA1
0ef66cac901030629fd3699fd75722d219b77734

SHA256
a909b913be25f3f61034d4016199311621793d8603be2420bb98a93930d0d72f

SHA512
00bdd47acff89756d1792fc3458abd269028a9b19dbf6cbafa32a9da5608237482396803f846317e8b4ebef1bf27b3cec6919c13b694b0ce22871baaccc7b3a1

Download Submit
C:\Users\Admin\AppData\Roaming\775D.745

Filesize
996B

MD5
c25ef5a8249474a6d0d45ee8a7679d77

SHA1
8f8db4ad3ee02a4cecf97a5df09dd6ba9470570b

SHA256
29aa6bfbae5457bbe95f47b06d7a59ed6be062724bb1481aefc20754dd5a3d36

SHA512
ec575fa4fbec876b1af17fd424788634b9182be8c2c2b5d7d789492b0d87db4b0b34873264dc1af072ed5767dbd87bd6b73fa2111a371b61d1c34d1bfcf3042d

Download Submit
memory/816-5-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/1016-1-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/1016-2-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/1016-13-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/1016-72-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/1016-76-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/1016-183-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/2988-74-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/2988-75-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads