cycbot | 4cd8dac5fb8c4eea3eb5ece67bdbdb005b84185b368a57a59ebda0c0832c0d88

General

Target

JaffaCakes118_1c6c7561efaa9fecdd96222014c80ad4.exe
Size

186KB
MD5

1c6c7561efaa9fecdd96222014c80ad4
SHA1

45f19657e8333da6ebb61fe8f5639689cf3e8e92
SHA256

4cd8dac5fb8c4eea3eb5ece67bdbdb005b84185b368a57a59ebda0c0832c0d88
SHA512

dfbe5fa87c0e8e299b4040e8b33b0c73688836f1ad31153611adc7a14c233d910b45883a31b47a94becf5c0ad8ff629ef70f7488325764b9ad9bb290d49d24fd
SSDEEP

3072:JrNmuxndTuXB3zNX9I8AqL8En1mwYHFrDB05eDc0cDNgacixAPX8i7gQh/oVAR3G:Guxnd+BhXm8VrnQNFnB0hBgmOPf/ugf+

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/2528-13-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2516-14-0x0000000000400000-0x0000000000452000-memory.dmp	family_cycbot
behavioral1/memory/2516-15-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/1648-84-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2516-193-0x0000000000400000-0x0000000000455000-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/2516-2-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2528-12-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2528-13-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2516-14-0x0000000000400000-0x0000000000452000-memory.dmp	upx
behavioral1/memory/2516-15-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/1648-82-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/1648-84-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2516-193-0x0000000000400000-0x0000000000455000-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_1c6c7561efaa9fecdd96222014c80ad4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_1c6c7561efaa9fecdd96222014c80ad4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_1c6c7561efaa9fecdd96222014c80ad4.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2516 wrote to memory of 2528	2516	JaffaCakes118_1c6c7561efaa9fecdd96222014c80ad4.exe	30
PID 2516 wrote to memory of 2528	2516	JaffaCakes118_1c6c7561efaa9fecdd96222014c80ad4.exe	30
PID 2516 wrote to memory of 2528	2516	JaffaCakes118_1c6c7561efaa9fecdd96222014c80ad4.exe	30
PID 2516 wrote to memory of 2528	2516	JaffaCakes118_1c6c7561efaa9fecdd96222014c80ad4.exe	30
PID 2516 wrote to memory of 1648	2516	JaffaCakes118_1c6c7561efaa9fecdd96222014c80ad4.exe	33
PID 2516 wrote to memory of 1648	2516	JaffaCakes118_1c6c7561efaa9fecdd96222014c80ad4.exe	33
PID 2516 wrote to memory of 1648	2516	JaffaCakes118_1c6c7561efaa9fecdd96222014c80ad4.exe	33
PID 2516 wrote to memory of 1648	2516	JaffaCakes118_1c6c7561efaa9fecdd96222014c80ad4.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1c6c7561efaa9fecdd96222014c80ad4.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1c6c7561efaa9fecdd96222014c80ad4.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2516
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1c6c7561efaa9fecdd96222014c80ad4.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1c6c7561efaa9fecdd96222014c80ad4.exe startC:\Program Files (x86)\LP\B3EF\2EC.exe%C:\Program Files (x86)\LP\B3EF
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2528
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1c6c7561efaa9fecdd96222014c80ad4.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1c6c7561efaa9fecdd96222014c80ad4.exe startC:\Users\Admin\AppData\Roaming\FB80C\BE43D.exe%C:\Users\Admin\AppData\Roaming\FB80C
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1648

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\FB80C\CE00.B80

Filesize
1KB

MD5
4c1ded8411221a31092c6f6b627dad12

SHA1
5ee576813cac7935408feb5bdbb4550f6bfbc295

SHA256
428a7cb0636ab1a1a05c711a27182dd8448b099865bb3049caa792cae3ebccb5

SHA512
0e66129d820f8137cd31b83a12561771244450faaa59aa359eb4a768604d5eceebca0775d09684574ec0e204b3f05f5fa15efef134adaae6a0bd2221338b9900

Download Submit
C:\Users\Admin\AppData\Roaming\FB80C\CE00.B80

Filesize
600B

MD5
187e0911e63b58bdf3814a329be071b6

SHA1
5769293cc6e4ca36316133b0ce83ef7235774b47

SHA256
a870ad832221ffb01737bf667893c717a2c94da7502f0355428bd5de2b81623f

SHA512
204479324746829f36f35f4624ba9491c4158ec4c3808e509f6c03f3b014f27eea9d731cdc41a979b76764e4f1e3acd514575fde527a7aad6ce7cb5c0f5ad07c

Download Submit
C:\Users\Admin\AppData\Roaming\FB80C\CE00.B80

Filesize
996B

MD5
e5b006c4af61bfa71f46933198f0efbe

SHA1
ee37d6eddea65217bb7136191f8f31085ead01f1

SHA256
bed6cabb3470f08af548678b1aeeb0baed924da94ace8d0da1fbe6dce33b3fbd

SHA512
c76efb394933f885d06050436f27b0f2670aeffed40adbc5056c184bbc6a9a22294c630b1d763b1750d4809b5b422aa4e02e3649cbaa9e4a1b64bf4c743e30ac

Download Submit
memory/1648-84-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/1648-82-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2516-15-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2516-1-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2516-14-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/2516-2-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2516-193-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2528-13-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2528-11-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2528-12-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

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