cycbot | 93c500600e4a24419a3558848efa7941c473a88bd1a7b47a428d59e2fa7e7542

General

Target

d49d94af40aeab7b481e7b42b7dae302_JaffaCakes118.exe
Size

165KB
MD5

d49d94af40aeab7b481e7b42b7dae302
SHA1

da76aa3018754acae1ef1900ababc7b7f0afbc7f
SHA256

93c500600e4a24419a3558848efa7941c473a88bd1a7b47a428d59e2fa7e7542
SHA512

80b67460c68c427d243a5031c3cc6811d8a19dc7b417b56db998f563bd65de7b1e1df4285a229872a309d015c3d29fec83074c9ba9c6686b96fa7d092481cd10
SSDEEP

3072:lBRqOlBpWvra62io4pwelGSGHoDhITmsHF8ivJCfpVtVfubeBKHM1904fPqu:PRVmLhpwwnDiTJ76Lub3K9q

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 6 IoCs

Cycbot is a backdoor and trojan written in C++.

resource	yara_rule
behavioral2/memory/212-13-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral2/memory/3896-14-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral2/memory/3304-75-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral2/memory/3896-136-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral2/memory/3896-184-0x0000000000400000-0x0000000000445000-memory.dmp	family_cycbot
behavioral2/memory/3896-189-0x0000000000400000-0x0000000000445000-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"	d49d94af40aeab7b481e7b42b7dae302_JaffaCakes118.exe

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3896-2-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral2/memory/212-10-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral2/memory/212-13-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral2/memory/3896-14-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral2/memory/3304-75-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral2/memory/3896-136-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral2/memory/3896-184-0x0000000000400000-0x0000000000445000-memory.dmp	upx
behavioral2/memory/3896-189-0x0000000000400000-0x0000000000445000-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	d49d94af40aeab7b481e7b42b7dae302_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d49d94af40aeab7b481e7b42b7dae302_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d49d94af40aeab7b481e7b42b7dae302_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3896 wrote to memory of 212	3896	d49d94af40aeab7b481e7b42b7dae302_JaffaCakes118.exe	82
PID 3896 wrote to memory of 212	3896	d49d94af40aeab7b481e7b42b7dae302_JaffaCakes118.exe	82
PID 3896 wrote to memory of 212	3896	d49d94af40aeab7b481e7b42b7dae302_JaffaCakes118.exe	82
PID 3896 wrote to memory of 3304	3896	d49d94af40aeab7b481e7b42b7dae302_JaffaCakes118.exe	87
PID 3896 wrote to memory of 3304	3896	d49d94af40aeab7b481e7b42b7dae302_JaffaCakes118.exe	87
PID 3896 wrote to memory of 3304	3896	d49d94af40aeab7b481e7b42b7dae302_JaffaCakes118.exe	87

C:\Users\Admin\AppData\Local\Temp\d49d94af40aeab7b481e7b42b7dae302_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d49d94af40aeab7b481e7b42b7dae302_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3896
- C:\Users\Admin\AppData\Local\Temp\d49d94af40aeab7b481e7b42b7dae302_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\d49d94af40aeab7b481e7b42b7dae302_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:212
- C:\Users\Admin\AppData\Local\Temp\d49d94af40aeab7b481e7b42b7dae302_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\d49d94af40aeab7b481e7b42b7dae302_JaffaCakes118.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3304

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\A2B0.BD0

Filesize
1KB

MD5
6e4f3bddfcc8b77b3f6f4e468b6a66c7

SHA1
1775f9a9636c0b31d4d2355492eb458eb7077ce2

SHA256
439d69cc7cfbc43088ca52c43a1f86f5d0c09e2fe879643255497878cb5bf7f4

SHA512
70d8263b18daa71638df1fb87a5c073b096899411770d683c69fc1799b7209d424d1cf9824dee2664e906d523ad3bc153c23c3692aeaca7cb9bb7d19d74f3800

Download Submit
C:\Users\Admin\AppData\Roaming\A2B0.BD0

Filesize
600B

MD5
110ebf88dd0e897d1c05f8afd34210b4

SHA1
5d8e0f2d56f22cb8dee3bb3279c3bde5913c8720

SHA256
0762dc2ca11defa839b3aa9af847bfbb1abcc206894bcfe9f9fa4dd0b12936e1

SHA512
8c69ee52014d7c7afe978f83530575f1f3490ed314f62d544695722ce68bcd27098ddde131d6406bc14f3e836a3a93ebdd8458150b272c2d0bc97b374fd87b58

Download Submit
C:\Users\Admin\AppData\Roaming\A2B0.BD0

Filesize
996B

MD5
d86a6ad8688d445ef59aa139ae301f38

SHA1
1276c47ed90387ba19f0f685a96fb13faa1daccc

SHA256
4266c29c413a2367e03cafc23687d4f49671cb02f49b5f81c5003fd818ef90e5

SHA512
9211867c8573b31997bd34345b204d5fa4b13d4fdf8854566bdd0f26b821a5c4fc8b3361675b47236f9492369752fbbceac02ec560abfd5780e9ba418e4580f7

Download Submit
memory/212-10-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/212-13-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/3304-75-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/3896-1-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/3896-2-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/3896-14-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/3896-136-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/3896-184-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/3896-189-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads