cycbot | 21ffcfe26ff5e2b7368eca613b90a94e168175f355afc6e23785442a73f0b09e

General

Target

JaffaCakes118_43d726c3fcb08b40a64b6b5f05abde18.exe
Size

183KB
MD5

43d726c3fcb08b40a64b6b5f05abde18
SHA1

d20240914846f910be266d50db6cf2d303f829e5
SHA256

21ffcfe26ff5e2b7368eca613b90a94e168175f355afc6e23785442a73f0b09e
SHA512

474fc849f786ef68c885809a00e45d0446dad600e32f37d5aaacb669e87cfad4b1342ca5a074a83e9ae6e596985f1e31264303115479688242cf525241c96ad9
SSDEEP

3072:hzIIiglntYsALBO6tBONx+LMG/kh8rhg1rUyaYVk8r68i/kRylgEe2O0:OITHAM+BsrKFwrVLOf/NQ

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/2728-14-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/4076-15-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/4076-16-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral2/memory/3564-74-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/4076-169-0x0000000000400000-0x0000000000455000-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/4076-2-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/2728-12-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/2728-14-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/4076-15-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/4076-16-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/3564-73-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/3564-74-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/4076-169-0x0000000000400000-0x0000000000455000-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_43d726c3fcb08b40a64b6b5f05abde18.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_43d726c3fcb08b40a64b6b5f05abde18.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_43d726c3fcb08b40a64b6b5f05abde18.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4076 wrote to memory of 2728	4076	JaffaCakes118_43d726c3fcb08b40a64b6b5f05abde18.exe	84
PID 4076 wrote to memory of 2728	4076	JaffaCakes118_43d726c3fcb08b40a64b6b5f05abde18.exe	84
PID 4076 wrote to memory of 2728	4076	JaffaCakes118_43d726c3fcb08b40a64b6b5f05abde18.exe	84
PID 4076 wrote to memory of 3564	4076	JaffaCakes118_43d726c3fcb08b40a64b6b5f05abde18.exe	85
PID 4076 wrote to memory of 3564	4076	JaffaCakes118_43d726c3fcb08b40a64b6b5f05abde18.exe	85
PID 4076 wrote to memory of 3564	4076	JaffaCakes118_43d726c3fcb08b40a64b6b5f05abde18.exe	85

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_43d726c3fcb08b40a64b6b5f05abde18.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_43d726c3fcb08b40a64b6b5f05abde18.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4076
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_43d726c3fcb08b40a64b6b5f05abde18.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_43d726c3fcb08b40a64b6b5f05abde18.exe startC:\Program Files (x86)\LP\1B19\D85.exe%C:\Program Files (x86)\LP\1B19
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2728
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_43d726c3fcb08b40a64b6b5f05abde18.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_43d726c3fcb08b40a64b6b5f05abde18.exe startC:\Users\Admin\AppData\Roaming\9F7DE\6C81B.exe%C:\Users\Admin\AppData\Roaming\9F7DE
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3564

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\9F7DE\EAF0.F7D

Filesize
1KB

MD5
833d026e85ec1509894a7a4d66f61ea7

SHA1
374ec39ce7dce0d4de70c073f9bd128789042564

SHA256
7c9f73937f2633c9a27a22028469f326f4ba383267659fbbf207965c90aca1da

SHA512
4bbfc92bebd405559f43b4009a813eab02c8bffb69174e16f672f4c68404886436c2e12f185b57a7448d0f81b64c5c8bad46c27520a97187327b280d52e120d0

Download Submit
C:\Users\Admin\AppData\Roaming\9F7DE\EAF0.F7D

Filesize
600B

MD5
d5f57d04276c48aeccdabf50694df5e4

SHA1
ddeaa0343e327da8123273f50dc6f4080159f65e

SHA256
f42917fb51fe651e2681103268b75577b4d6e36d271cfc2a43e543f077ca14dc

SHA512
dbdd38b0208c5de0975cbc667ab323fe5450627382c252374f8e0de0c5fab2a02e9499491ab1b8ad213724226796d12969a3a8a27d58b47fa08b7b361a049cad

Download Submit
C:\Users\Admin\AppData\Roaming\9F7DE\EAF0.F7D

Filesize
996B

MD5
7dae67ba30cf60c0d26ae3288aa9bc6c

SHA1
edbc157b2ca4c9a4448442d01706c8ab8ccaef02

SHA256
0cccdc294dc4ef60c4e48d21d969d23e11c5a195f67a50deb5be0fe00c68a825

SHA512
398bbf497c96fc7f34be98ec4fb3a4c512b7db66dd464c4901b0dcd22260d6eebc322d45a61ab97fb657f923b789a4551396c126756336d32b3da07d1e11ff50

Download Submit
memory/2728-12-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2728-11-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2728-14-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3564-74-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/3564-73-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/4076-16-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/4076-1-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/4076-15-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/4076-2-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/4076-169-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

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