cycbot | 8df01200ef92c91bd5465002baff0c9e45ae5e233da201b436e86ba9bbf07126

General

Target

f64b632e4bcd6d676a51a438462a9015_JaffaCakes118.exe
Size

174KB
MD5

f64b632e4bcd6d676a51a438462a9015
SHA1

3eee3e84f47c6582505e7591d72cc6574ca2304c
SHA256

8df01200ef92c91bd5465002baff0c9e45ae5e233da201b436e86ba9bbf07126
SHA512

6b39d90cb5ae893966f949199bcfa5dcfbfa8e9dcf915bcf1978ae18354c8bfb4aa8d29f082762a4c777c55b188273943bcff319e52d412d8d65567ff292c5f7
SSDEEP

3072:ZVspm8VFP37ODudlEZCQOtBYwJHqB/f4EHZSIwn05ZkPpw5wMDfKsSf:ZKjkuJQO1J03tdrPwMzbSf

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 4 IoCs

Cycbot is a backdoor and trojan written in C++.

resource	yara_rule
behavioral1/memory/2500-6-0x0000000000400000-0x000000000044B000-memory.dmp	family_cycbot
behavioral1/memory/1780-14-0x0000000000400000-0x000000000044B000-memory.dmp	family_cycbot
behavioral1/memory/1992-81-0x0000000000400000-0x000000000044B000-memory.dmp	family_cycbot
behavioral1/memory/1780-183-0x0000000000400000-0x000000000044B000-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 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1780-2-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/2500-5-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/2500-6-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/1780-14-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/1992-81-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/1780-183-0x0000000000400000-0x000000000044B000-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	f64b632e4bcd6d676a51a438462a9015_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f64b632e4bcd6d676a51a438462a9015_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f64b632e4bcd6d676a51a438462a9015_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1780 wrote to memory of 2500	1780	f64b632e4bcd6d676a51a438462a9015_JaffaCakes118.exe	31
PID 1780 wrote to memory of 2500	1780	f64b632e4bcd6d676a51a438462a9015_JaffaCakes118.exe	31
PID 1780 wrote to memory of 2500	1780	f64b632e4bcd6d676a51a438462a9015_JaffaCakes118.exe	31
PID 1780 wrote to memory of 2500	1780	f64b632e4bcd6d676a51a438462a9015_JaffaCakes118.exe	31
PID 1780 wrote to memory of 1992	1780	f64b632e4bcd6d676a51a438462a9015_JaffaCakes118.exe	33
PID 1780 wrote to memory of 1992	1780	f64b632e4bcd6d676a51a438462a9015_JaffaCakes118.exe	33
PID 1780 wrote to memory of 1992	1780	f64b632e4bcd6d676a51a438462a9015_JaffaCakes118.exe	33
PID 1780 wrote to memory of 1992	1780	f64b632e4bcd6d676a51a438462a9015_JaffaCakes118.exe	33

C:\Users\Admin\AppData\Local\Temp\f64b632e4bcd6d676a51a438462a9015_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f64b632e4bcd6d676a51a438462a9015_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1780
- C:\Users\Admin\AppData\Local\Temp\f64b632e4bcd6d676a51a438462a9015_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\f64b632e4bcd6d676a51a438462a9015_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2500
- C:\Users\Admin\AppData\Local\Temp\f64b632e4bcd6d676a51a438462a9015_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\f64b632e4bcd6d676a51a438462a9015_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1992

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\D21B.403

Filesize
1KB

MD5
1475abb709700ab9d64726e04b5c5fe5

SHA1
431015c6a8ee94aedac0712921cdfd88954cb571

SHA256
0e8bc37089cc6ef83dd77b594e196e056b4df52f27854589786d677fd0a50e49

SHA512
389040686d9c0e7b7e3e6244b0d66a969a0e3682f5cea89d28c142be72cd32631382591e2d34cedf1d885d5322811d07a05ad91dc616294aae64c8e7afb69289

Download Submit
C:\Users\Admin\AppData\Roaming\D21B.403

Filesize
600B

MD5
2c8118ebe1facaa26283760d6b0d8d55

SHA1
863edebc40c6dfccfadc0d5e7eba797f5f636bfa

SHA256
53f419ddb298856854e979940d08001acc5e3502d4850d7e3bc56e50b288e416

SHA512
987ea8ad1b8514e5bd284091228d340c40d855498a2b1df070e8aa9fd2095e31f2cffeec76d849a9b41c053de0ca2e3709b7af7821905dc63f6c57fc54fd7f69

Download Submit
C:\Users\Admin\AppData\Roaming\D21B.403

Filesize
996B

MD5
c42cd3e407f2f6517614ba688595b7d2

SHA1
63706237577dee4576c9561f14827e95a35da6a9

SHA256
b2a222ea68aba3d55dee99ad7fc053ad52faa2a245288b45330fe053296ad038

SHA512
9d200c63ecdf7a7a01bc46893eb71955dc38d978f7f65113926bd52a107f3e5a200e551f938b88991c89bc34c2428d6e20297c8a35a6b570f8e8002ba96a1fac

Download Submit
memory/1780-1-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1780-2-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1780-14-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1780-183-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/1992-81-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2500-5-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2500-6-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download

Analysis

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