cycbot | e29fb6dc22afc946bd56be80efea52625cbd2c498363e6f84d7fa2994d18b2a6

General

Target

JaffaCakes118_2402ec5812b511b68baaf36fdc22a767.exe
Size

193KB
MD5

2402ec5812b511b68baaf36fdc22a767
SHA1

67c79bf7cdf04dffa901cc7ac0f609e07323c185
SHA256

e29fb6dc22afc946bd56be80efea52625cbd2c498363e6f84d7fa2994d18b2a6
SHA512

7efa3f6d0150d594a9d6d4a156e7521d8656d193b1da208afdd5664b9cdf11f1d4b609260c4959008e3b6b5f6c74e1f3df24384915f4a0c76571afe8873cc04f
SSDEEP

6144:PUm6IeNjMgdL6Q5SL6+JFst4LH3lX82x6cyH5f3wR:cRNj96Q56Fst4L1TxZi5PwR

Score

10^/10

cycbot backdoor discovery rat spyware stealer 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
behavioral1/memory/2552-13-0x0000000000400000-0x0000000000469000-memory.dmp	family_cycbot
behavioral1/memory/2552-14-0x0000000000400000-0x0000000000469000-memory.dmp	family_cycbot
behavioral1/memory/2236-15-0x0000000000400000-0x0000000000469000-memory.dmp	family_cycbot
behavioral1/memory/648-72-0x0000000000400000-0x0000000000469000-memory.dmp	family_cycbot
behavioral1/memory/2236-168-0x0000000000400000-0x0000000000469000-memory.dmp	family_cycbot

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2236-2-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/2552-13-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/2552-12-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/2552-14-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/2236-15-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/648-72-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/2236-168-0x0000000000400000-0x0000000000469000-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_2402ec5812b511b68baaf36fdc22a767.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_2402ec5812b511b68baaf36fdc22a767.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_2402ec5812b511b68baaf36fdc22a767.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2236 wrote to memory of 2552	2236	JaffaCakes118_2402ec5812b511b68baaf36fdc22a767.exe	29
PID 2236 wrote to memory of 2552	2236	JaffaCakes118_2402ec5812b511b68baaf36fdc22a767.exe	29
PID 2236 wrote to memory of 2552	2236	JaffaCakes118_2402ec5812b511b68baaf36fdc22a767.exe	29
PID 2236 wrote to memory of 2552	2236	JaffaCakes118_2402ec5812b511b68baaf36fdc22a767.exe	29
PID 2236 wrote to memory of 648	2236	JaffaCakes118_2402ec5812b511b68baaf36fdc22a767.exe	31
PID 2236 wrote to memory of 648	2236	JaffaCakes118_2402ec5812b511b68baaf36fdc22a767.exe	31
PID 2236 wrote to memory of 648	2236	JaffaCakes118_2402ec5812b511b68baaf36fdc22a767.exe	31
PID 2236 wrote to memory of 648	2236	JaffaCakes118_2402ec5812b511b68baaf36fdc22a767.exe	31

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2402ec5812b511b68baaf36fdc22a767.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2402ec5812b511b68baaf36fdc22a767.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2236
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2402ec5812b511b68baaf36fdc22a767.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2402ec5812b511b68baaf36fdc22a767.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2552
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2402ec5812b511b68baaf36fdc22a767.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2402ec5812b511b68baaf36fdc22a767.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:648

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\BCBF.484

Filesize
1KB

MD5
2f4efb5bbc79103858e6ccde6619d0be

SHA1
8ce220d901b9fd7358a9c9692580c45addf44106

SHA256
aac016622fe00403f826522b9f2bd031d7cb7d2cf77378cd9804dd2d08797900

SHA512
ac976f81bf15d36b24f0e78259f1ab00033e5620fa44c7daa267fd7059835711ce59b912972c925e1ac424dfb86d2ff22d67557195e7408d04f52ac7d66502db

Download Submit
C:\Users\Admin\AppData\Roaming\BCBF.484

Filesize
600B

MD5
79b3ec656df2c0b2ee37093ad96279ad

SHA1
4958701941d36cfa66ced98a4258158fcf1dc6ad

SHA256
fd96bb8819953b66a22fe4a76f44ceae244aff5f4d44fb16f6598ef34bca4917

SHA512
8de7ae36a0579c003effe85f24849dff3b68d52b9d2364fe483f474ba65a9481222eb62511da853b616ff6e8061f38bd915824313b54b3847c9252035c85e4ed

Download Submit
C:\Users\Admin\AppData\Roaming\BCBF.484

Filesize
996B

MD5
3e6f152e2375822cb946fdb2532b690c

SHA1
32005d23094a378af4e7f5bd799e8bf105c00494

SHA256
4a4ee150465d6469de943882f1030f1b45f35f8df00703655fdffe57599e201a

SHA512
c335ee84176aabd5ea0055ce0e5741377ea2ade9f4c8bbd0f206d8506433f8d5f4f3ba32c08006936284005e7d2889914d7c268eb8508005f8d3512fb3c562f6

Download Submit
memory/648-72-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2236-1-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2236-2-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2236-15-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2236-168-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2552-13-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2552-12-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2552-14-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download

Analysis

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