cycbot | 195dd81fa1ddcbe5fb2e51c2b6b03d594343f827f4db02e20f48efd76f49aa4d

General

Target

JaffaCakes118_e08d7b8ee677ec9d46bb9d91c3a822f6.exe
Size

176KB
MD5

e08d7b8ee677ec9d46bb9d91c3a822f6
SHA1

0b39a44517319bc15870ef643df46b9f176aa813
SHA256

195dd81fa1ddcbe5fb2e51c2b6b03d594343f827f4db02e20f48efd76f49aa4d
SHA512

8cbcceb6def1be35cc2f01d11dc4571cf1d976566a85baf934562b18256107a50e7337c1924c56516d06aea31dcbe220b4660efc556bed5d7d39daf851fd9448
SSDEEP

3072:jpcJb5iaJImuviuyT00EqGCYPtjY/d7Lcq7Nz3d7Bi8gEsQ05l:V81ifcuyT0zC/1VR9BiRv/

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/1940-13-0x0000000000400000-0x000000000044B000-memory.dmp	family_cycbot
behavioral2/memory/548-14-0x0000000000400000-0x000000000044B000-memory.dmp	family_cycbot
behavioral2/memory/548-79-0x0000000000400000-0x000000000044B000-memory.dmp	family_cycbot
behavioral2/memory/2380-82-0x0000000000400000-0x000000000044B000-memory.dmp	family_cycbot
behavioral2/memory/548-182-0x0000000000400000-0x000000000044B000-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"	JaffaCakes118_e08d7b8ee677ec9d46bb9d91c3a822f6.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/548-2-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/1940-12-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/1940-13-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/548-14-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/548-79-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/2380-81-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/2380-82-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral2/memory/548-182-0x0000000000400000-0x000000000044B000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 1 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_e08d7b8ee677ec9d46bb9d91c3a822f6.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 548 wrote to memory of 1940	548	JaffaCakes118_e08d7b8ee677ec9d46bb9d91c3a822f6.exe	84
PID 548 wrote to memory of 1940	548	JaffaCakes118_e08d7b8ee677ec9d46bb9d91c3a822f6.exe	84
PID 548 wrote to memory of 1940	548	JaffaCakes118_e08d7b8ee677ec9d46bb9d91c3a822f6.exe	84
PID 548 wrote to memory of 2380	548	JaffaCakes118_e08d7b8ee677ec9d46bb9d91c3a822f6.exe	95
PID 548 wrote to memory of 2380	548	JaffaCakes118_e08d7b8ee677ec9d46bb9d91c3a822f6.exe	95
PID 548 wrote to memory of 2380	548	JaffaCakes118_e08d7b8ee677ec9d46bb9d91c3a822f6.exe	95

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e08d7b8ee677ec9d46bb9d91c3a822f6.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e08d7b8ee677ec9d46bb9d91c3a822f6.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:548
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e08d7b8ee677ec9d46bb9d91c3a822f6.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e08d7b8ee677ec9d46bb9d91c3a822f6.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  PID:1940
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e08d7b8ee677ec9d46bb9d91c3a822f6.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e08d7b8ee677ec9d46bb9d91c3a822f6.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  PID:2380

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

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Downloads

C:\Users\Admin\AppData\Roaming\3BE5.F06

Filesize
1KB

MD5
299f516478367f90ccff5f9e9ce16fe5

SHA1
792c2e411c8cb04e379104a2e42b143e541bfdaa

SHA256
cb16fddce6c48b7b528b763bfc5397bc07fa895b6cd2219e60033cfc69648515

SHA512
61f046431bf753cf170e5281f10fe4f841fc333bddc9520cafe85c74b4b9d7bf4b32c170ba7e1a9dd3588ad8835df2c664dfbbf161da3bec30e41546741e599c

Download Submit
C:\Users\Admin\AppData\Roaming\3BE5.F06

Filesize
600B

MD5
4bbfb387bc3aa79f86c3caa67fc8fd44

SHA1
47d5f3ee187f5d8a0379cf2474844d806d0057b2

SHA256
e6e6d8add07282b7c04b3aca302479ff1dfb9293f734a8dbd5bf084686ec8a4a

SHA512
90b21c22f37c15c3ee7bd2a3cbbc6ba2871f4c88fec111eb19c6cc4ff1e3f71a5f9c2bb7962b819dbc30690ab7b8c04b25ad2e81b545f66a4ab920ebd2bf452c

Download Submit
C:\Users\Admin\AppData\Roaming\3BE5.F06

Filesize
996B

MD5
8aaf6db468f5df34a14660ee5dad0a7a

SHA1
a1490c938f38b472f1769f66d9917d0bb335d3cf

SHA256
c44df1cfe0b199fad7886e5439830ed3dbcded094615ddb7cf92946ab4673e00

SHA512
1c891ef44dc0186d6c2b2a4c9d6ed711dd934dbe03b7846a6e90b2f4bd14ad79e0e9552cd66ff1f233a68d1d110116d667ea30abda301c7f801ca86902e2beec

Download Submit
memory/548-1-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/548-2-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/548-14-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/548-79-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/548-182-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1940-12-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1940-13-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2380-81-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2380-82-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads