cycbot | 4d9d332d9c5602748b89c2e21351e49727e24f2eff82dc3da935f305d872f036

General

Target

JaffaCakes118_69ae3dd9e7bc51521f66b59966707e71.exe
Size

181KB
MD5

69ae3dd9e7bc51521f66b59966707e71
SHA1

b416212cfa113dbe1cedb4662d5d499a0bfe59be
SHA256

4d9d332d9c5602748b89c2e21351e49727e24f2eff82dc3da935f305d872f036
SHA512

380fa9dee72f49559c197993f2048c4dbd94bf891bfc9eeaff5263a3cd97adb66408bbbcfece97856addd3990f3ee4f53d318dc1c5bfa5e43a25f435120c98c8
SSDEEP

3072:1K8xfvEkaMaftww3MVpkLXTr+ump60ccdXIraw3t:17f/aMafuyMVemNwCNIraw

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/2040-13-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral2/memory/4072-14-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral2/memory/1840-77-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral2/memory/4072-178-0x0000000000400000-0x000000000044E000-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/4072-1-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/2040-12-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/2040-13-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/4072-14-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/1840-75-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/1840-77-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral2/memory/4072-178-0x0000000000400000-0x000000000044E000-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_69ae3dd9e7bc51521f66b59966707e71.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_69ae3dd9e7bc51521f66b59966707e71.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_69ae3dd9e7bc51521f66b59966707e71.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4072 wrote to memory of 2040	4072	JaffaCakes118_69ae3dd9e7bc51521f66b59966707e71.exe	82
PID 4072 wrote to memory of 2040	4072	JaffaCakes118_69ae3dd9e7bc51521f66b59966707e71.exe	82
PID 4072 wrote to memory of 2040	4072	JaffaCakes118_69ae3dd9e7bc51521f66b59966707e71.exe	82
PID 4072 wrote to memory of 1840	4072	JaffaCakes118_69ae3dd9e7bc51521f66b59966707e71.exe	85
PID 4072 wrote to memory of 1840	4072	JaffaCakes118_69ae3dd9e7bc51521f66b59966707e71.exe	85
PID 4072 wrote to memory of 1840	4072	JaffaCakes118_69ae3dd9e7bc51521f66b59966707e71.exe	85

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_69ae3dd9e7bc51521f66b59966707e71.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_69ae3dd9e7bc51521f66b59966707e71.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4072
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_69ae3dd9e7bc51521f66b59966707e71.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_69ae3dd9e7bc51521f66b59966707e71.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2040
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_69ae3dd9e7bc51521f66b59966707e71.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_69ae3dd9e7bc51521f66b59966707e71.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1840

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\3273.D1F

Filesize
1KB

MD5
b5bc4ebfb086c30520030d6e1713ae0c

SHA1
66b246cf0700d307f836b963ea006c6d484aa62c

SHA256
e09a446eed9b9c63ff62be02ab804716ca00c767e992347841b9f8cb19ddbbd4

SHA512
c1f07be4e10337bacb811418cb30e5f469a25331fa6ecbe4edec978b955ad406f6071ad0513c54a5c337920bae17ef9ca7adba92d67ab468d47e3314282ae0fa

Download Submit
C:\Users\Admin\AppData\Roaming\3273.D1F

Filesize
600B

MD5
32b850b8e55e3262ba0e5d114deba005

SHA1
0a56075e036b09094bfd1f29bfe5b55e11dc659b

SHA256
2570c64372d4978061d46bc36c8f090360468f0974c6ecec6d3f79db294dc351

SHA512
d8aa7458cfde63beff3b5a12280763504654210313bc8d9ed57d816f2a1138e9c6562303c9b32c6eaaac4ba7cd677b41fae1e098c2e631016a9e456ce4e20ded

Download Submit
C:\Users\Admin\AppData\Roaming\3273.D1F

Filesize
996B

MD5
68057aaa046751d0a93a1bb0881749c5

SHA1
a7860080fce446fbbb74eef43583ff505774b9de

SHA256
f3eb9bc75f1934c46a15ffb5475ef72380cd411fb5bbd3a20b9993770a035936

SHA512
ab74ae57ca61ed62181af34e161924cc23b0385d35f21dd72ba68c7b3884a9db3d983be4cf431be2a3f395dbff249373dc4bb476767f2f8b22c7e13579efb061

Download Submit
memory/1840-75-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1840-77-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2040-11-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2040-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2040-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4072-1-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4072-14-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/4072-178-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

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