cycbot | bcf161d989a1a814d952a056fc776b790bcc09b79db3f9125c2cb5e8226c264f

General

Target

JaffaCakes118_4a22e397c5f22fd5be3a3f50f1d67870.exe
Size

188KB
MD5

4a22e397c5f22fd5be3a3f50f1d67870
SHA1

87f10d41f4f05bc2dd6c165748fb8281babbd658
SHA256

bcf161d989a1a814d952a056fc776b790bcc09b79db3f9125c2cb5e8226c264f
SHA512

07f153333de634c3119042d40af2b2fcd7a7eefa135f93e6e351905480b31da3accfcfeb4d9ec691086a93e6fa999a5b228676a251ca87df94551a6357d88060
SSDEEP

3072:plUp7HKMxS8hiVDebqyTq5HnkVX8YDq/lWn4hXRboojgzSt1jUm7VPfi:op7qJnDebqywEVXlgAKcokzGdU+hq

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/2120-14-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2196-15-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2196-16-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral1/memory/2304-79-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2196-174-0x0000000000400000-0x0000000000455000-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 8 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2196-2-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2120-12-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2120-14-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2196-15-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2196-16-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/2304-79-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2304-77-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2196-174-0x0000000000400000-0x0000000000455000-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_4a22e397c5f22fd5be3a3f50f1d67870.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_4a22e397c5f22fd5be3a3f50f1d67870.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_4a22e397c5f22fd5be3a3f50f1d67870.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2196 wrote to memory of 2120	2196	JaffaCakes118_4a22e397c5f22fd5be3a3f50f1d67870.exe	30
PID 2196 wrote to memory of 2120	2196	JaffaCakes118_4a22e397c5f22fd5be3a3f50f1d67870.exe	30
PID 2196 wrote to memory of 2120	2196	JaffaCakes118_4a22e397c5f22fd5be3a3f50f1d67870.exe	30
PID 2196 wrote to memory of 2120	2196	JaffaCakes118_4a22e397c5f22fd5be3a3f50f1d67870.exe	30
PID 2196 wrote to memory of 2304	2196	JaffaCakes118_4a22e397c5f22fd5be3a3f50f1d67870.exe	33
PID 2196 wrote to memory of 2304	2196	JaffaCakes118_4a22e397c5f22fd5be3a3f50f1d67870.exe	33
PID 2196 wrote to memory of 2304	2196	JaffaCakes118_4a22e397c5f22fd5be3a3f50f1d67870.exe	33
PID 2196 wrote to memory of 2304	2196	JaffaCakes118_4a22e397c5f22fd5be3a3f50f1d67870.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4a22e397c5f22fd5be3a3f50f1d67870.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4a22e397c5f22fd5be3a3f50f1d67870.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2196
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4a22e397c5f22fd5be3a3f50f1d67870.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4a22e397c5f22fd5be3a3f50f1d67870.exe startC:\Program Files (x86)\LP\DCB3\BDB.exe%C:\Program Files (x86)\LP\DCB3
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2120
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4a22e397c5f22fd5be3a3f50f1d67870.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4a22e397c5f22fd5be3a3f50f1d67870.exe startC:\Users\Admin\AppData\Roaming\3B0C4\1F0DC.exe%C:\Users\Admin\AppData\Roaming\3B0C4
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2304

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\3B0C4\423D.B0C

Filesize
1KB

MD5
61dcf71a187baf1ccef843393ac41942

SHA1
6eef1482ec908fb7f212345503b2abbe3f73ec1a

SHA256
914821ff1607d896f286c4c1ae9b33d50b5429b4762833feb26420e744059723

SHA512
443c84fb42f78e0f51c4021444e36509f9c1b036a60aa974ad961ccf6d311ca26040b1042bb142825d4d77d138be4d8057bdf8cc54590ca36b33202326c6e7f8

Download Submit
C:\Users\Admin\AppData\Roaming\3B0C4\423D.B0C

Filesize
600B

MD5
136247ecc879e0b03afa57936edf48f5

SHA1
2b02f36d026db8fcffb680529f2e02ea4b39ffb2

SHA256
cb6d7d203b7309fad38cdfa159a2bfc4f390c76edb936cf691ba37fadd20c650

SHA512
ce38d0c2807f7c348875620810df98760ba0a397cdfb5f473f5e6fe49030153ce419952276888d26b5277c9a2ecf7693c2ec55ff34201c8a6eecd481cfe6cc14

Download Submit
C:\Users\Admin\AppData\Roaming\3B0C4\423D.B0C

Filesize
996B

MD5
38a385ca109b86695fbebb70844df9c7

SHA1
49cf4389c30746a6091bdb031ce434b903617aa3

SHA256
f4e6a195a87f445013a6956cff2a010b8fcd76351e608dd22818166b979e8d94

SHA512
2b99b0a680496775aef0f600d508a31ea855de08dd5456cc1b298988dfd37c81af40be1c7fb07a1f81c0323ff22e629c99d6e271c8a442cc44d3a3aeb0a45dc5

Download Submit
memory/2120-12-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2120-11-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2120-14-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2196-16-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2196-1-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2196-15-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2196-2-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2196-174-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2304-79-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2304-77-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

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