cycbot | ae655a7063f9efde72f84bed74065a78f82ba01d1ec5ad9ccf88c686758c45c4

General

Target

JaffaCakes118_12048b510875ae3c3c744244e3f9f09b.exe
Size

181KB
MD5

12048b510875ae3c3c744244e3f9f09b
SHA1

1a34824a81495d2f047e60db180ef07fb5071c1d
SHA256

ae655a7063f9efde72f84bed74065a78f82ba01d1ec5ad9ccf88c686758c45c4
SHA512

eae758a69ccf53c6a795eaf1eba82a3ac5cee118f4ccc22c8cbf25887f0e85b0bd87e8da00ee40457b4e0edcadc71d1554a20dbab97b8f0d37df5c5fea1dea5a
SSDEEP

3072:Oreq4UUt6HvDPIqLf0vF9EDFAO9Z2DAbdhlL7pFHUWVV+dvVsl:D31qDP3LTh9Z2sbdhTUdsl

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/1080-15-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral2/memory/4592-16-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral2/memory/4620-77-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral2/memory/4592-196-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4592-2-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/1080-13-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/1080-15-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/4592-16-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/4620-77-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/4592-196-0x0000000000400000-0x000000000044E000-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_12048b510875ae3c3c744244e3f9f09b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_12048b510875ae3c3c744244e3f9f09b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_12048b510875ae3c3c744244e3f9f09b.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4592 wrote to memory of 1080	4592	JaffaCakes118_12048b510875ae3c3c744244e3f9f09b.exe	84
PID 4592 wrote to memory of 1080	4592	JaffaCakes118_12048b510875ae3c3c744244e3f9f09b.exe	84
PID 4592 wrote to memory of 1080	4592	JaffaCakes118_12048b510875ae3c3c744244e3f9f09b.exe	84
PID 4592 wrote to memory of 4620	4592	JaffaCakes118_12048b510875ae3c3c744244e3f9f09b.exe	85
PID 4592 wrote to memory of 4620	4592	JaffaCakes118_12048b510875ae3c3c744244e3f9f09b.exe	85
PID 4592 wrote to memory of 4620	4592	JaffaCakes118_12048b510875ae3c3c744244e3f9f09b.exe	85

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_12048b510875ae3c3c744244e3f9f09b.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_12048b510875ae3c3c744244e3f9f09b.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4592
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_12048b510875ae3c3c744244e3f9f09b.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_12048b510875ae3c3c744244e3f9f09b.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1080
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_12048b510875ae3c3c744244e3f9f09b.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_12048b510875ae3c3c744244e3f9f09b.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4620

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\1AFA.BCE

Filesize
1KB

MD5
3cb4cd15025eb55d81dd65a5324f2771

SHA1
4af1a8dc66ac42975d764ed8ca5752c83d1a3ef1

SHA256
2ae808b51a39e63b9a3164f753228f3805823ff44d4b51023a38382f1e53b801

SHA512
1d42751c87559428d77ba80e58d59db15eb4d0df7bd302162a300e993abdd8bb191b73a5053f3b55cab7352922e80d2b54da2512a559a5cbb571e7e99dd5b237

Download Submit
C:\Users\Admin\AppData\Roaming\1AFA.BCE

Filesize
600B

MD5
0409a301dce69c4746bb49453738e265

SHA1
bccc254bb53923b0199ff4cacd4190127082231f

SHA256
8d9fd9be1450af9696eef062cc2e248325c31e52720be25a19982294dbea9a4f

SHA512
4ee7385707ab69d95b788de2aac9807c92c60d475b4cb0cd405fce708b6855969cec482c6977a98a394d1fdd6ac1892ad2c237b3440777b6cdde11162f465fab

Download Submit
C:\Users\Admin\AppData\Roaming\1AFA.BCE

Filesize
996B

MD5
c633bab4993651b8e046e43c72993ae1

SHA1
71485a6848acfc03c83554438c0f0dea98bccb46

SHA256
4bded2fb45b08b8cdda2f75246cc68d1e7de1cfb1e4a31e5cbb2e11bbb06306d

SHA512
0b442a4f138b3b1b79ba0d5d13feeb6434c52d751aefcb0577b9ecb05c27e0151686c1a4b784ec9075d9e8ee9deedb3accdf4da12d50619b7fdb33d73dc0f876

Download Submit
memory/1080-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1080-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1080-15-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4592-1-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4592-2-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4592-16-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4592-196-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4620-77-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

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