cycbot | ae834b2d6d02ab8ab9261fdf2556d6a009be31433ad7664eadb67726b221f64a

General

Target

JaffaCakes118_9cb0df0cf69475dfedd87d03c72c2394.exe
Size

166KB
MD5

9cb0df0cf69475dfedd87d03c72c2394
SHA1

67050b40cdd9ac421ea2da633d1d44d2a3a8c60f
SHA256

ae834b2d6d02ab8ab9261fdf2556d6a009be31433ad7664eadb67726b221f64a
SHA512

165980d232c8b376b51e0defc1a08bb6ceff1b527a818725c6a8ec6fda599ea07f8ffc4a117b5813ce504405e1bd042835d02b78ae1b839d0846f65b57937c81
SSDEEP

3072:hWnREboNSsqodoeJ7a5M1vA2g/BJw8i90tMFeSo91rG3+U:oRDqodI5M96BJw8i9oMES4r

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/1548-14-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/2280-15-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/2280-88-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/2260-91-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral1/memory/2280-187-0x0000000000400000-0x0000000000445000-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"	JaffaCakes118_9cb0df0cf69475dfedd87d03c72c2394.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2280-2-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/1548-12-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/1548-14-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2280-15-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2280-88-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2260-91-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2260-90-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral1/memory/2280-187-0x0000000000400000-0x0000000000445000-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	JaffaCakes118_9cb0df0cf69475dfedd87d03c72c2394.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_9cb0df0cf69475dfedd87d03c72c2394.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_9cb0df0cf69475dfedd87d03c72c2394.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2280 wrote to memory of 1548	2280	JaffaCakes118_9cb0df0cf69475dfedd87d03c72c2394.exe	30
PID 2280 wrote to memory of 1548	2280	JaffaCakes118_9cb0df0cf69475dfedd87d03c72c2394.exe	30
PID 2280 wrote to memory of 1548	2280	JaffaCakes118_9cb0df0cf69475dfedd87d03c72c2394.exe	30
PID 2280 wrote to memory of 1548	2280	JaffaCakes118_9cb0df0cf69475dfedd87d03c72c2394.exe	30
PID 2280 wrote to memory of 2260	2280	JaffaCakes118_9cb0df0cf69475dfedd87d03c72c2394.exe	33
PID 2280 wrote to memory of 2260	2280	JaffaCakes118_9cb0df0cf69475dfedd87d03c72c2394.exe	33
PID 2280 wrote to memory of 2260	2280	JaffaCakes118_9cb0df0cf69475dfedd87d03c72c2394.exe	33
PID 2280 wrote to memory of 2260	2280	JaffaCakes118_9cb0df0cf69475dfedd87d03c72c2394.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9cb0df0cf69475dfedd87d03c72c2394.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9cb0df0cf69475dfedd87d03c72c2394.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2280
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9cb0df0cf69475dfedd87d03c72c2394.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9cb0df0cf69475dfedd87d03c72c2394.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1548
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9cb0df0cf69475dfedd87d03c72c2394.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9cb0df0cf69475dfedd87d03c72c2394.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2260

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\E0E1.7FF

Filesize
1KB

MD5
2c7d3b64b34281474546d199fbf1acc1

SHA1
5d792e1977d04d55d3d265b8e47c976fb90cb4cf

SHA256
6e059884889d12726ec3a76758c2ecf3a3acfc728137682c63aed688f3fcd1e3

SHA512
2cc0feb5b295f48dab11543b3b324aadef5bfa349701637c8c465dfb806b7f734a2cce9bf5b9fbb3448692536b6459d0c01581bb8c2ee7178355ab06d1f78edb

Download Submit
C:\Users\Admin\AppData\Roaming\E0E1.7FF

Filesize
600B

MD5
ea5c515f229b29182a458a54640fd62e

SHA1
fa5ee35e4c1e9554ccdb057c2da5de541fa2d646

SHA256
313aa6e55643920ce3b128e8680e3b30e6978cc7059d14c86a244ca66a53f916

SHA512
42e6fe254dd32b7b82702d856915e6052fea087b4a838d9ebad6d60d21eca03fe69ecb510e3631c0d8140baeddbbbbd763ece90cff5d57cf156d629b4d753353

Download Submit
C:\Users\Admin\AppData\Roaming\E0E1.7FF

Filesize
996B

MD5
7899571d8230dd069ea5654473d0a548

SHA1
c2979bb5bf933a33362ab1a138351b7ab4e5df93

SHA256
c52a1269523da6e4c2609702ee7022f88ca7105ee7abff95880d2eed82eead51

SHA512
267efae3e6b508fec97ce4f7d5e960e4d906b2cfe2c87533c10b96e556fb7cff4f5c0274f6ef470402cd281d02c79e8f8abfd81e149e8ee17cbfe02ee2c07852

Download Submit
memory/1548-12-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/1548-14-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2260-91-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2260-90-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2280-1-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2280-2-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2280-15-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2280-88-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2280-187-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads