cycbot | e90c5722c7b1a0911acfbe99c939e855d44b57c732ac860a4411929895a74669

General

Target

d121faa3f6e90d545441cbc0340028d3_JaffaCakes118.exe
Size

182KB
MD5

d121faa3f6e90d545441cbc0340028d3
SHA1

0d23698099d257127c4ec31316375b1ecd6c4d8d
SHA256

e90c5722c7b1a0911acfbe99c939e855d44b57c732ac860a4411929895a74669
SHA512

2275665d9bf7e2a7e043d87c0099271d209dc0ec9e42fea650fd78e7693d368511815fb26b0496f7b19632dd1e011a766e4bf81fb63d4b4a16469f54d1067a54
SSDEEP

3072:U+A3w0NSJk5wD+hveJT7Mp2MDw9pI9R37IKIm7fgV5udVQ:b2wZJnChvC8p2MDwPICm7YV

Score

10^/10

cycbot backdoor discovery rat upx

Malware Config

Signatures

Cycbot
Cycbot is a backdoor and trojan written in C++..
backdoor rat cycbot
Cycbot family
cycbot

Detects Cycbot payload 4 IoCs

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

resource	yara_rule
behavioral2/memory/3544-15-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral2/memory/3912-16-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral2/memory/4124-84-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral2/memory/3912-181-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot

UPX packed file 8 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3912-2-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/3544-13-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/3544-12-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/3544-15-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/3912-16-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/4124-83-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/4124-84-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/3912-181-0x0000000000400000-0x000000000044E000-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	d121faa3f6e90d545441cbc0340028d3_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d121faa3f6e90d545441cbc0340028d3_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d121faa3f6e90d545441cbc0340028d3_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3912 wrote to memory of 3544	3912	d121faa3f6e90d545441cbc0340028d3_JaffaCakes118.exe	83
PID 3912 wrote to memory of 3544	3912	d121faa3f6e90d545441cbc0340028d3_JaffaCakes118.exe	83
PID 3912 wrote to memory of 3544	3912	d121faa3f6e90d545441cbc0340028d3_JaffaCakes118.exe	83
PID 3912 wrote to memory of 4124	3912	d121faa3f6e90d545441cbc0340028d3_JaffaCakes118.exe	84
PID 3912 wrote to memory of 4124	3912	d121faa3f6e90d545441cbc0340028d3_JaffaCakes118.exe	84
PID 3912 wrote to memory of 4124	3912	d121faa3f6e90d545441cbc0340028d3_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\d121faa3f6e90d545441cbc0340028d3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d121faa3f6e90d545441cbc0340028d3_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3912
- C:\Users\Admin\AppData\Local\Temp\d121faa3f6e90d545441cbc0340028d3_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\d121faa3f6e90d545441cbc0340028d3_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3544
- C:\Users\Admin\AppData\Local\Temp\d121faa3f6e90d545441cbc0340028d3_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\d121faa3f6e90d545441cbc0340028d3_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4124

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\930E.625

Filesize
1KB

MD5
15657331e8111970578d8c5343b4b05c

SHA1
7f0ef7a415cdf78895fe91eee18b9b8d2786ac11

SHA256
09be8a908b3ccf3de3424d7d4d40e65820bee275b1e5328e83767789a1496311

SHA512
e1c84f68dce072cf3d175f07ff7e77e3d061b7cd0e0c4b2736300775013780108f7bafa6f4575dc4da77ffede385bdcac495afdbc92d44bc26d35a6a46b83723

Download Submit
C:\Users\Admin\AppData\Roaming\930E.625

Filesize
600B

MD5
3f46e940e0e5d93b7f1eabb2bd49b48a

SHA1
c59c3ead615ab60fa9cbe179e76394d06477fda9

SHA256
da1c1745e7fa4420cef3c6293270561c5ba2ad8e78758a7f65f45e329a1aa30c

SHA512
50ed6bcd9299996ded5211403050f3e360e1577660ae59e246fbb941e3adaf8f6446bfe76c631c4c1218d40e4ad0168f03d18992e6f3be2caf1f4708aa47ddc2

Download Submit
C:\Users\Admin\AppData\Roaming\930E.625

Filesize
996B

MD5
22446fc35c29709a5a253af7d24dda19

SHA1
26daa587b9d9d7b9049dd15cf70213e38ee92162

SHA256
3fcc2e4b02511d2d200ffff94b76de157bf0a20dd729e835536e400dba799142

SHA512
84ea2db86f45a5553eefe3c4b811ec5ba1ba660941edd9e17db784f863284f683c59e723e867e1c17c0f748d2ade969b20c44cfc35a7e61ed1d206f2b707d660

Download Submit
memory/3544-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3544-15-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3544-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3912-16-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3912-1-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3912-2-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3912-181-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4124-83-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4124-82-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4124-84-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

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