cycbot | ddf0112e9c57707f26c1ea644e91cb352dfb6bb866b9cf8e883042a3bce1fff6

General

Target

c32f4e6ad1c7affbcf398d0185df75d9_JaffaCakes118.exe
Size

191KB
MD5

c32f4e6ad1c7affbcf398d0185df75d9
SHA1

ef2290b5e988a97c9f473100065d1f86aa39f903
SHA256

ddf0112e9c57707f26c1ea644e91cb352dfb6bb866b9cf8e883042a3bce1fff6
SHA512

96a98325aca5723a2a824281c53badf2ca30e29bf18c0a7af3b7ef923e94edae4e33447518039116d4b14a0d2ecdad092a9da44af6713ae5549975bd2d672750
SSDEEP

3072:lrIT4O+k6MuqklP9yxey/nwwA7eAEXuUmQjaolH9/j+QEVUKXyd3cWa3oZdHFX1F:9W4eu9lEx9nC7eiUFld/yDVUKXydvXUm

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/2088-6-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/2128-14-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/2128-76-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/2732-80-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/2128-141-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/2128-177-0x0000000000400000-0x0000000000445000-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"	c32f4e6ad1c7affbcf398d0185df75d9_JaffaCakes118.exe

UPX packed file 9 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2128-2-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2088-5-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2088-6-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2128-14-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2128-76-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2732-79-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2732-80-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2128-141-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2128-177-0x0000000000400000-0x0000000000445000-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	c32f4e6ad1c7affbcf398d0185df75d9_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c32f4e6ad1c7affbcf398d0185df75d9_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c32f4e6ad1c7affbcf398d0185df75d9_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2128 wrote to memory of 2088	2128	c32f4e6ad1c7affbcf398d0185df75d9_JaffaCakes118.exe	30
PID 2128 wrote to memory of 2088	2128	c32f4e6ad1c7affbcf398d0185df75d9_JaffaCakes118.exe	30
PID 2128 wrote to memory of 2088	2128	c32f4e6ad1c7affbcf398d0185df75d9_JaffaCakes118.exe	30
PID 2128 wrote to memory of 2088	2128	c32f4e6ad1c7affbcf398d0185df75d9_JaffaCakes118.exe	30
PID 2128 wrote to memory of 2732	2128	c32f4e6ad1c7affbcf398d0185df75d9_JaffaCakes118.exe	32
PID 2128 wrote to memory of 2732	2128	c32f4e6ad1c7affbcf398d0185df75d9_JaffaCakes118.exe	32
PID 2128 wrote to memory of 2732	2128	c32f4e6ad1c7affbcf398d0185df75d9_JaffaCakes118.exe	32
PID 2128 wrote to memory of 2732	2128	c32f4e6ad1c7affbcf398d0185df75d9_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\c32f4e6ad1c7affbcf398d0185df75d9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c32f4e6ad1c7affbcf398d0185df75d9_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2128
- C:\Users\Admin\AppData\Local\Temp\c32f4e6ad1c7affbcf398d0185df75d9_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\c32f4e6ad1c7affbcf398d0185df75d9_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2088
- C:\Users\Admin\AppData\Local\Temp\c32f4e6ad1c7affbcf398d0185df75d9_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\c32f4e6ad1c7affbcf398d0185df75d9_JaffaCakes118.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2732

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\57E7.6D7

Filesize
1KB

MD5
f86775a69d490f7312df853ac4841505

SHA1
76c003b934522aef4b5553af314215fbe6a5bd2a

SHA256
927cb1a896dd3cf3804c71f419769f05bd74128ca3bc68b2ebf5699702f67e51

SHA512
e084dac41db6258cf6d6e1d71e635d66f663c47824299dadecfd4c913a72c06164eec8330dc79866791debbf26878ab34e6859ab3dcb71556359731359ee4079

Download Submit
C:\Users\Admin\AppData\Roaming\57E7.6D7

Filesize
600B

MD5
858b15703c7e99d5de51f85bb04dcf51

SHA1
56099528ab1ff17045d1551a6e3ba804c6afcf46

SHA256
48d087f138ea9d47faa4cab0a68eb79977795af8826a205d12263474099b4b21

SHA512
270e9c39afcb094694fabdda95e507d25af4b45bfcaf7237a4b39be5ea8b20e59787e47dfaf494babab6133defd319cbd33eb65757a0d154a1aef8a875b329f1

Download Submit
C:\Users\Admin\AppData\Roaming\57E7.6D7

Filesize
996B

MD5
d03bd43430a26b6a8009869c46a656c6

SHA1
d2ea523a81c7a43f518e9de961325005619a2ba4

SHA256
6a6a57b3298587acb0163964514aba254b3675d8d17de8ad2bd5b0573a0cf7b6

SHA512
dc4f68840d6c9acf0c706bd51f2db81c85b11baf9e7c84c8a0314ce8a91e9e4006e4abcb6326269f3c139f1353963202a89eb2396c6363a06faab9ebc14a3765

Download Submit
memory/2088-5-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2088-6-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2128-76-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2128-1-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2128-14-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2128-141-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2128-2-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2128-177-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2732-79-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2732-78-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2732-80-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads