cycbot | c50b8784bdb9e7042be8780bfc29a1383ae374eb113ca85ef1ae5f240ffb0374

General

Target

JaffaCakes118_09bf2871366bd659106ef87a730dbb93.exe
Size

187KB
MD5

09bf2871366bd659106ef87a730dbb93
SHA1

0def6e2171f09a8f46560eb1b08d2f331b61d3b8
SHA256

c50b8784bdb9e7042be8780bfc29a1383ae374eb113ca85ef1ae5f240ffb0374
SHA512

7c4b5fd67b8deb48d02a8283ad7a93e07bbadffcea40b1e7d2d84fc375cf8c8f66a94d51126d273c9d867d56bd39c6dcf1140e2effbca3e434b9c23b0ec8603f
SSDEEP

3072:6ln1hM7rnOC9PqblNEs9W20+6aPl69QVrjIbO+1Bausz7w7EJ80JGZTnj:6ln1anOkPqbl2sUuPl6WIC+oE90wTnj

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/452-14-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/400-15-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/400-16-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral2/memory/4896-142-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral2/memory/400-321-0x0000000000400000-0x0000000000455000-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/400-3-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/452-13-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/452-14-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/400-15-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/400-16-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral2/memory/4896-142-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral2/memory/400-321-0x0000000000400000-0x0000000000455000-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_09bf2871366bd659106ef87a730dbb93.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_09bf2871366bd659106ef87a730dbb93.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_09bf2871366bd659106ef87a730dbb93.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 400 wrote to memory of 452	400	JaffaCakes118_09bf2871366bd659106ef87a730dbb93.exe	84
PID 400 wrote to memory of 452	400	JaffaCakes118_09bf2871366bd659106ef87a730dbb93.exe	84
PID 400 wrote to memory of 452	400	JaffaCakes118_09bf2871366bd659106ef87a730dbb93.exe	84
PID 400 wrote to memory of 4896	400	JaffaCakes118_09bf2871366bd659106ef87a730dbb93.exe	95
PID 400 wrote to memory of 4896	400	JaffaCakes118_09bf2871366bd659106ef87a730dbb93.exe	95
PID 400 wrote to memory of 4896	400	JaffaCakes118_09bf2871366bd659106ef87a730dbb93.exe	95

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_09bf2871366bd659106ef87a730dbb93.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_09bf2871366bd659106ef87a730dbb93.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:400
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_09bf2871366bd659106ef87a730dbb93.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_09bf2871366bd659106ef87a730dbb93.exe startC:\Program Files (x86)\LP\1B18\D85.exe%C:\Program Files (x86)\LP\1B18
  2⤵
  - System Location Discovery: System Language Discovery
  PID:452
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_09bf2871366bd659106ef87a730dbb93.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_09bf2871366bd659106ef87a730dbb93.exe startC:\Users\Admin\AppData\Roaming\886EA\6C81B.exe%C:\Users\Admin\AppData\Roaming\886EA
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4896

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\886EA\A681.86E

Filesize
996B

MD5
1a3a83e758bb7b64de0a82e73d1f5385

SHA1
a510f689ca604ad2d9090af5774d3da82351e2b5

SHA256
58260b94d78b72d31c839c4856af1b5d63275465bb46323245de01f1e8f7651b

SHA512
d95a0b8f615d4d9fabad7ff09b9bab9066b81821757c0cd57d5368d30918cc140065b18310b736dd9a90803a2aa02daf7fd30f71885c95d5dfd5bcc9b738d332

Download Submit
C:\Users\Admin\AppData\Roaming\886EA\A681.86E

Filesize
600B

MD5
9b266c68196415177f265bc48cf51c5e

SHA1
91b6c58e14ed5ba4d73fe23bf7be6ce301c46a43

SHA256
1ed0e39c6b30945e004cf953ce3d643cd84f40fd94447232741ab1ed115b4afc

SHA512
5b7bcd48cf5d3aebf5ea7aa33191ac900eacc49f3d4c73664ffe3fab2c021784e524c41ae353c9fec68c86463bc66ba9348becfe27108e00442f22700d337b00

Download Submit
C:\Users\Admin\AppData\Roaming\886EA\A681.86E

Filesize
1KB

MD5
a4fee7988b0cbe58fce55466ee16afe7

SHA1
6758cae30e472070ff3d0e920762a4a3c57089b7

SHA256
c55a8fc160ab58c9f1726b2d5d67e660d027130da399c6c0498da264e60f9eea

SHA512
e979ac559be8e4da6985c1035b5140a209977979db40db27e73f401e720cdd34e1f4a82dd3694c5dd3da97bd4233ab1796dcd4d4b9a987112816e9b22744f7ff

Download Submit
memory/400-0-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/400-2-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/400-3-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/400-15-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/400-16-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/400-321-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/452-13-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/452-14-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/4896-142-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

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