cycbot | 6c0bdcf8a73374624aa2290f69fea1811ae3ea9eec41c53832a217451f0c2d90

General

Target

JaffaCakes118_c4c1b840dc6d4253a07d3ea849bf989b.exe
Size

182KB
MD5

c4c1b840dc6d4253a07d3ea849bf989b
SHA1

ef866977890bbc9eaa17c3bb2172f23039f1976e
SHA256

6c0bdcf8a73374624aa2290f69fea1811ae3ea9eec41c53832a217451f0c2d90
SHA512

d4544d02eb01dd3c989a400f892a51b928ec7f26bfa34f3f3502dca25c028c45290ec1a31d5c9dda144edbf6775630e5351b279bb894c8786f1144de9ab918d0
SSDEEP

3072:qgBGXZlOYgPPOgpqiFZBCl9JlQCXAKmhO7O48mqfHCZD5y4fjo:qgBKMjP9qiFjCXQEbmF4uCDb7

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/2324-7-0x0000000000400000-0x0000000000443000-memory.dmp	family_cycbot
behavioral1/memory/2380-15-0x0000000000400000-0x0000000000443000-memory.dmp	family_cycbot
behavioral1/memory/2676-74-0x0000000000400000-0x0000000000443000-memory.dmp	family_cycbot
behavioral1/memory/2380-75-0x0000000000400000-0x0000000000443000-memory.dmp	family_cycbot
behavioral1/memory/2380-182-0x0000000000400000-0x0000000000443000-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"	JaffaCakes118_c4c1b840dc6d4253a07d3ea849bf989b.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2380-2-0x0000000000400000-0x0000000000443000-memory.dmp	upx
behavioral1/memory/2324-6-0x0000000000400000-0x0000000000443000-memory.dmp	upx
behavioral1/memory/2324-7-0x0000000000400000-0x0000000000443000-memory.dmp	upx
behavioral1/memory/2380-15-0x0000000000400000-0x0000000000443000-memory.dmp	upx
behavioral1/memory/2676-73-0x0000000000400000-0x0000000000443000-memory.dmp	upx
behavioral1/memory/2676-74-0x0000000000400000-0x0000000000443000-memory.dmp	upx
behavioral1/memory/2380-75-0x0000000000400000-0x0000000000443000-memory.dmp	upx
behavioral1/memory/2380-182-0x0000000000400000-0x0000000000443000-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	JaffaCakes118_c4c1b840dc6d4253a07d3ea849bf989b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_c4c1b840dc6d4253a07d3ea849bf989b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_c4c1b840dc6d4253a07d3ea849bf989b.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 2324	2380	JaffaCakes118_c4c1b840dc6d4253a07d3ea849bf989b.exe	31
PID 2380 wrote to memory of 2324	2380	JaffaCakes118_c4c1b840dc6d4253a07d3ea849bf989b.exe	31
PID 2380 wrote to memory of 2324	2380	JaffaCakes118_c4c1b840dc6d4253a07d3ea849bf989b.exe	31
PID 2380 wrote to memory of 2324	2380	JaffaCakes118_c4c1b840dc6d4253a07d3ea849bf989b.exe	31
PID 2380 wrote to memory of 2676	2380	JaffaCakes118_c4c1b840dc6d4253a07d3ea849bf989b.exe	33
PID 2380 wrote to memory of 2676	2380	JaffaCakes118_c4c1b840dc6d4253a07d3ea849bf989b.exe	33
PID 2380 wrote to memory of 2676	2380	JaffaCakes118_c4c1b840dc6d4253a07d3ea849bf989b.exe	33
PID 2380 wrote to memory of 2676	2380	JaffaCakes118_c4c1b840dc6d4253a07d3ea849bf989b.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c4c1b840dc6d4253a07d3ea849bf989b.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c4c1b840dc6d4253a07d3ea849bf989b.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2380
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c4c1b840dc6d4253a07d3ea849bf989b.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c4c1b840dc6d4253a07d3ea849bf989b.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2324
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c4c1b840dc6d4253a07d3ea849bf989b.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c4c1b840dc6d4253a07d3ea849bf989b.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2676

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\AF9D.605

Filesize
600B

MD5
b6a9d03723e5bdb4f2db4ed17c369042

SHA1
fea8d74642fb599f51548c4efb0128ee8102afbd

SHA256
76cdd02e91194569b3fc6906a3ffe4a3f7060c60325c54c297f29226a8f9b365

SHA512
f2792124cdcbf61aea20cf7b5348b132e40081bbf7192a6e8563e53f69563efdb3d5fedfb02acf6945f1f43b87cf17ff74c301cbc22c7919c2c69e8ffff01d35

Download Submit
C:\Users\Admin\AppData\Roaming\AF9D.605

Filesize
1KB

MD5
9321a20393a7c43295ebb4f1223f37c9

SHA1
7188c19774f0875b3092691093211aecbf83cd35

SHA256
86d169324f34760ca7e3479fdb3dc7b2c02ed9a667eee06fae379b15c9a3e83e

SHA512
995bf07655bef333b026baddc1b516fe23c899fd3b71c38140d1ff21ac9e45079fa80aaa46f1031dc5d562f4f97bafd37679fce674b1aab9002158034057eb9e

Download Submit
memory/2324-6-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/2324-7-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/2380-1-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/2380-2-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/2380-15-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/2380-75-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/2380-182-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/2676-73-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download
memory/2676-74-0x0000000000400000-0x0000000000443000-memory.dmp

Filesize
268KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads