cycbot | 35e0e820ca195111cad0cae7538361c3a68eb612552fdf6c476adfc682a4e4da

General

Target

JaffaCakes118_6186d864c5f25345d8c07d31d61846e7.exe
Size

180KB
MD5

6186d864c5f25345d8c07d31d61846e7
SHA1

74a7582b07a04de1489c0ef1a4c6bf2bb8f268f7
SHA256

35e0e820ca195111cad0cae7538361c3a68eb612552fdf6c476adfc682a4e4da
SHA512

265992f61f980bb4f1fd8fb6b0db91b68a10bfe8b516629dfc49cb7a8b0e9a99b6b420cb5d72ea8aa0a297d6482faf43940d8be416a6caebbfd39bcd20a24451
SSDEEP

3072:inLbgwBa0lI9fWUPHeedkYD+YUz9epd3khvEgsYjMLW1o10n9ZpYdzk:inYwBlwWw154Ipd3R9ES1qrYq

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 5 IoCs

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

resource	yara_rule
behavioral2/memory/1132-14-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/640-15-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/640-16-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral2/memory/3952-136-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/640-315-0x0000000000400000-0x0000000000455000-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/640-3-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/1132-13-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/1132-14-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/640-15-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/640-16-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/3952-134-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/3952-136-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/640-315-0x0000000000400000-0x0000000000455000-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_6186d864c5f25345d8c07d31d61846e7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6186d864c5f25345d8c07d31d61846e7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6186d864c5f25345d8c07d31d61846e7.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 640 wrote to memory of 1132	640	JaffaCakes118_6186d864c5f25345d8c07d31d61846e7.exe	85
PID 640 wrote to memory of 1132	640	JaffaCakes118_6186d864c5f25345d8c07d31d61846e7.exe	85
PID 640 wrote to memory of 1132	640	JaffaCakes118_6186d864c5f25345d8c07d31d61846e7.exe	85
PID 640 wrote to memory of 3952	640	JaffaCakes118_6186d864c5f25345d8c07d31d61846e7.exe	86
PID 640 wrote to memory of 3952	640	JaffaCakes118_6186d864c5f25345d8c07d31d61846e7.exe	86
PID 640 wrote to memory of 3952	640	JaffaCakes118_6186d864c5f25345d8c07d31d61846e7.exe	86

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6186d864c5f25345d8c07d31d61846e7.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6186d864c5f25345d8c07d31d61846e7.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:640
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6186d864c5f25345d8c07d31d61846e7.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6186d864c5f25345d8c07d31d61846e7.exe startC:\Program Files (x86)\LP\0069\6C0.exe%C:\Program Files (x86)\LP\0069
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1132
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6186d864c5f25345d8c07d31d61846e7.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6186d864c5f25345d8c07d31d61846e7.exe startC:\Users\Admin\AppData\Roaming\9D71C\B5600.exe%C:\Users\Admin\AppData\Roaming\9D71C
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3952

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\9D71C\C3F1.D71

Filesize
300B

MD5
e46905737673b61ac4dbfa57d81daf0d

SHA1
8147e96b8af46c9d53f77c0ff295e76a764cfe7c

SHA256
4cf55c3b31deca0b840b1493ae3d93c48757db4335cbb15cfa1a06113df648db

SHA512
f63a29af70ab132303123d31d281048be018dd192f0c4dc1de148aaabf65dc443218004c7cb9a123c03123aeaf0f701e13b6246bc48b673502a72bff74dded5c

Download Submit
C:\Users\Admin\AppData\Roaming\9D71C\C3F1.D71

Filesize
996B

MD5
8c990d3ef4f7a406115c0f14afab93f5

SHA1
89e0a0384da8d35e5e8968d0e0f7e570d3041386

SHA256
fd96bcb2d34fc216a09d5401aba5e8eeb9dac83fda990a820afd690699fea5fe

SHA512
83be9c79039be3f5e994f15e7fcaa4ea0d2a77e4e1028eabf0b6229f0d4a46dd199e30dfdf017cc34e4928c311bcdd388be591689b16f89313ec30c8ef4dcdde

Download Submit
C:\Users\Admin\AppData\Roaming\9D71C\C3F1.D71

Filesize
600B

MD5
b27ea5aa0499ef4057319f431af278b2

SHA1
d737370381493db1de92d129edb14b70388eafa1

SHA256
5049676e9d6e38a1c23fcc9c7c57294e205a88feac398577aa09a84c6259e067

SHA512
63fae56db41d646e517b06916d9c85a7b258d54442d69b01e84232de434fb30c020b0b232c1a641ff64034b03bafead725abdb8b8af459b8b7b0334749e1fdff

Download Submit
C:\Users\Admin\AppData\Roaming\9D71C\C3F1.D71

Filesize
1KB

MD5
5c69c91e9e9a5d2e4d28f2e724dffe85

SHA1
4ea4c7ad7568a784c02a10597a0e4e22080da0ff

SHA256
4482a10e78fbf6406ed3cb2e35363145c74382ef6e398324c7e6f2195434e97a

SHA512
8ed23cb8a8e74eb546124bbc72e536edaa5599ab386e4d3c0651760a200f7bcc6b2dbb44f477786c39bde323708b92dbc258342c021e4c65e7a54490f2f228a2

Download Submit
memory/640-15-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/640-0-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/640-16-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/640-3-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/640-2-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/640-315-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1132-14-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1132-13-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3952-134-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3952-136-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

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