cycbot | 4de918adce319e1593def16c36e696f0653fe0a9c9079da72aaa6e38eb019284

General

Target

JaffaCakes118_e2bec97e8aa75ea569352756f99c339f.exe
Size

188KB
MD5

e2bec97e8aa75ea569352756f99c339f
SHA1

a44c2b430a9243f023067869318c242606d3b71a
SHA256

4de918adce319e1593def16c36e696f0653fe0a9c9079da72aaa6e38eb019284
SHA512

2ab57e0cda70f8d03984176e64dfb359bf762d8cb8f0cea2bcf2827ef648e3806ed20e09df19c0ecbed01e61c9a5d21f9a564bec36603fcfcb9f16c7ed1fbd72
SSDEEP

3072:JQJL5ddwYprtRMUmp9H7f/RacuCTWRuORRZtcFO+O1Jyk7Iz+trbUsgn:JAFddwcDr2H7BGKiZtc4+O1AYIz+gsg

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/3652-14-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral2/memory/388-15-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral2/memory/1708-86-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral2/memory/388-191-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/388-2-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/3652-12-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/3652-14-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/388-15-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/1708-85-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/1708-86-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/388-191-0x0000000000400000-0x000000000044E000-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	JaffaCakes118_e2bec97e8aa75ea569352756f99c339f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_e2bec97e8aa75ea569352756f99c339f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_e2bec97e8aa75ea569352756f99c339f.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 388 wrote to memory of 3652	388	JaffaCakes118_e2bec97e8aa75ea569352756f99c339f.exe	85
PID 388 wrote to memory of 3652	388	JaffaCakes118_e2bec97e8aa75ea569352756f99c339f.exe	85
PID 388 wrote to memory of 3652	388	JaffaCakes118_e2bec97e8aa75ea569352756f99c339f.exe	85
PID 388 wrote to memory of 1708	388	JaffaCakes118_e2bec97e8aa75ea569352756f99c339f.exe	89
PID 388 wrote to memory of 1708	388	JaffaCakes118_e2bec97e8aa75ea569352756f99c339f.exe	89
PID 388 wrote to memory of 1708	388	JaffaCakes118_e2bec97e8aa75ea569352756f99c339f.exe	89

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e2bec97e8aa75ea569352756f99c339f.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e2bec97e8aa75ea569352756f99c339f.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:388
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e2bec97e8aa75ea569352756f99c339f.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e2bec97e8aa75ea569352756f99c339f.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3652
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e2bec97e8aa75ea569352756f99c339f.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e2bec97e8aa75ea569352756f99c339f.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1708

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\DC05.4FC

Filesize
1KB

MD5
14b18f60405055bcae0968ea7e9c2524

SHA1
0d0dc83831a4dab9709c0ba2c32eb96dd51fa2eb

SHA256
ed1aebccc402766a3a190c6d7120b34f3b64a113ecba513c1589ee869fe4e0e7

SHA512
ada256f171d55915f9a0bce946832b95186d84ffd02e5a6e62f789116e8d2c81b2cfba3f1d738ecbd82e147e1f2b861bc1dccc8d1194bc9348f0d6c2b0a1e78d

Download Submit
C:\Users\Admin\AppData\Roaming\DC05.4FC

Filesize
600B

MD5
5b509996a8032826f2d7808041aafd78

SHA1
582a531c9bece6a1cf677781d5aaf7f0e0849d7c

SHA256
3272d7d5808010dfeff9d9c12764aa48e8d8b00c8355573abb1d8f818e43b58d

SHA512
0ee04433ba162a51ff090873a74aa8b038664815f822e1192d875bf83284621f940f23fb6ccda49fac4151fdc8c478235f3cde0dfa6724dea743c4083baf9e35

Download Submit
C:\Users\Admin\AppData\Roaming\DC05.4FC

Filesize
996B

MD5
de6ceb5abc99e2de1f3b735221e5c01d

SHA1
ae15cf9ad332e726ebcec13cd49737adb7b6c1f8

SHA256
ee86aa0c795983488a1e86ddd31dec3624d4358df8812f26f292dfa51a0a3e15

SHA512
d883a831ad3b138d8765c8cf44c60bcddcc0842d163a965eb8dac2a60528a3090b53fd1f1c41713a69357d145c051453554b60a3b656ffa8820520f2f11b87f0

Download Submit
memory/388-1-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/388-2-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/388-15-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/388-191-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1708-85-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1708-86-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3652-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/3652-14-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

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