cycbot | b0ba3423b7b0d73a4368019fc9ed4b25644514831002a7306500c01acd7586d6

General

Target

f111aae2ce78b0840de1f3bac69d24e6_JaffaCakes118.exe
Size

181KB
MD5

f111aae2ce78b0840de1f3bac69d24e6
SHA1

0963e1ea55fc6ac1ad236a3a5f2ce6f58d64afab
SHA256

b0ba3423b7b0d73a4368019fc9ed4b25644514831002a7306500c01acd7586d6
SHA512

a8e8a08779a4a8b95ec28959732a3c82d454884c35d23937a1f0b8a19cc11afc7d578e948493b4e86e8bf3e17acd2aa3349f75181e1480c46d40a03c5ad2f889
SSDEEP

3072:y54t+JTOUTR2exK7EXwxQGDnEgShG+kGBmYopWjFYRKNF/CqSfNXsO:y54IJTXKKy5DUVVcnfpNX7

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/2776-6-0x0000000000400000-0x000000000044B000-memory.dmp	family_cycbot
behavioral1/memory/2176-14-0x0000000000400000-0x000000000044B000-memory.dmp	family_cycbot
behavioral1/memory/1780-77-0x0000000000400000-0x000000000044B000-memory.dmp	family_cycbot
behavioral1/memory/2176-172-0x0000000000400000-0x000000000044B000-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/2176-1-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/2776-5-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/2776-6-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/2176-14-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/1780-77-0x0000000000400000-0x000000000044B000-memory.dmp	upx
behavioral1/memory/2176-172-0x0000000000400000-0x000000000044B000-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	f111aae2ce78b0840de1f3bac69d24e6_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f111aae2ce78b0840de1f3bac69d24e6_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f111aae2ce78b0840de1f3bac69d24e6_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2176 wrote to memory of 2776	2176	f111aae2ce78b0840de1f3bac69d24e6_JaffaCakes118.exe	30
PID 2176 wrote to memory of 2776	2176	f111aae2ce78b0840de1f3bac69d24e6_JaffaCakes118.exe	30
PID 2176 wrote to memory of 2776	2176	f111aae2ce78b0840de1f3bac69d24e6_JaffaCakes118.exe	30
PID 2176 wrote to memory of 2776	2176	f111aae2ce78b0840de1f3bac69d24e6_JaffaCakes118.exe	30
PID 2176 wrote to memory of 1780	2176	f111aae2ce78b0840de1f3bac69d24e6_JaffaCakes118.exe	32
PID 2176 wrote to memory of 1780	2176	f111aae2ce78b0840de1f3bac69d24e6_JaffaCakes118.exe	32
PID 2176 wrote to memory of 1780	2176	f111aae2ce78b0840de1f3bac69d24e6_JaffaCakes118.exe	32
PID 2176 wrote to memory of 1780	2176	f111aae2ce78b0840de1f3bac69d24e6_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\f111aae2ce78b0840de1f3bac69d24e6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f111aae2ce78b0840de1f3bac69d24e6_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2176
- C:\Users\Admin\AppData\Local\Temp\f111aae2ce78b0840de1f3bac69d24e6_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\f111aae2ce78b0840de1f3bac69d24e6_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2776
- C:\Users\Admin\AppData\Local\Temp\f111aae2ce78b0840de1f3bac69d24e6_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\f111aae2ce78b0840de1f3bac69d24e6_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1780

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\30B8.8F5

Filesize
600B

MD5
b068b4bc34f6cdb86b2f32f0ad6fb3b9

SHA1
5cb70c3584ad3c0b03a6611276b8643656c08141

SHA256
6d83754c21f35780edb13dc6a4218dd0e570d5a6f6e6a37dfb101a5d9abeae7e

SHA512
72f347dd9869c93b02be0901f284db4a50480087587fbd3e0ea7a5e30b0de5172e1f18bbd1a73d27556380cb57d30495d309d06d20cee769351fb9a429a9d009

Download Submit
C:\Users\Admin\AppData\Roaming\30B8.8F5

Filesize
996B

MD5
789d0b222ce4579b2e997e10374a8a41

SHA1
0ace007562e6178dcfcc93f46c31191250ebbe03

SHA256
c368adabd7bf2bef60c3f94b7aa9fdc1f96eb6a5cb7a157f5b5fb177e2767a4d

SHA512
67dc0ba6873a31c0d62f8e6ea6d39446ece583ebae0331e308171dcbff5b0d076b8a5e5d5c148eca4c0fd55b60738d481d3cb4a031197201a99a24290a382223

Download Submit
memory/1780-77-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2176-1-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2176-14-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2176-172-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2776-5-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2776-4-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download
memory/2776-6-0x0000000000400000-0x000000000044B000-memory.dmp

Filesize
300KB

Download

Analysis

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