cycbot | ae8894582479d445288c34d4fe8571f5ff4f064c5c5a0044f6f63244631ee3b4

General

Target

JaffaCakes118_25865e7d35e0b4518b95071c887f00dc.exe
Size

172KB
MD5

25865e7d35e0b4518b95071c887f00dc
SHA1

67d0e05d6aa014b1a5d6ed1ba74362c012249e4f
SHA256

ae8894582479d445288c34d4fe8571f5ff4f064c5c5a0044f6f63244631ee3b4
SHA512

e9f29d35a64204c342684134fde7e6b0f2d0ba9a9db973d2806eaa07bdf28fba6478119bca2edcb53075cce4950689166fd9d294d3ec4c89109f993c01c58680
SSDEEP

3072:bvTDGdtRjfZOsgrJQSwFvSa5XPY+N/u0rKlu+1dMIkDs0QN3lA:SdLhO3JQ1FxXPnDeu+XMI0Qg

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/2700-8-0x0000000000400000-0x0000000000462000-memory.dmp	family_cycbot
behavioral1/memory/2700-6-0x0000000000400000-0x0000000000462000-memory.dmp	family_cycbot
behavioral1/memory/1064-13-0x0000000000400000-0x0000000000462000-memory.dmp	family_cycbot
behavioral1/memory/1988-78-0x0000000000400000-0x0000000000462000-memory.dmp	family_cycbot
behavioral1/memory/1988-80-0x0000000000400000-0x0000000000462000-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/1064-1-0x0000000000400000-0x0000000000462000-memory.dmp	upx
behavioral1/memory/2700-8-0x0000000000400000-0x0000000000462000-memory.dmp	upx
behavioral1/memory/2700-6-0x0000000000400000-0x0000000000462000-memory.dmp	upx
behavioral1/memory/1064-13-0x0000000000400000-0x0000000000462000-memory.dmp	upx
behavioral1/memory/1988-78-0x0000000000400000-0x0000000000462000-memory.dmp	upx
behavioral1/memory/1988-80-0x0000000000400000-0x0000000000462000-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_25865e7d35e0b4518b95071c887f00dc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_25865e7d35e0b4518b95071c887f00dc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_25865e7d35e0b4518b95071c887f00dc.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1064 wrote to memory of 2700	1064	JaffaCakes118_25865e7d35e0b4518b95071c887f00dc.exe	30
PID 1064 wrote to memory of 2700	1064	JaffaCakes118_25865e7d35e0b4518b95071c887f00dc.exe	30
PID 1064 wrote to memory of 2700	1064	JaffaCakes118_25865e7d35e0b4518b95071c887f00dc.exe	30
PID 1064 wrote to memory of 2700	1064	JaffaCakes118_25865e7d35e0b4518b95071c887f00dc.exe	30
PID 1064 wrote to memory of 1988	1064	JaffaCakes118_25865e7d35e0b4518b95071c887f00dc.exe	32
PID 1064 wrote to memory of 1988	1064	JaffaCakes118_25865e7d35e0b4518b95071c887f00dc.exe	32
PID 1064 wrote to memory of 1988	1064	JaffaCakes118_25865e7d35e0b4518b95071c887f00dc.exe	32
PID 1064 wrote to memory of 1988	1064	JaffaCakes118_25865e7d35e0b4518b95071c887f00dc.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_25865e7d35e0b4518b95071c887f00dc.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_25865e7d35e0b4518b95071c887f00dc.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1064
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_25865e7d35e0b4518b95071c887f00dc.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_25865e7d35e0b4518b95071c887f00dc.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2700
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_25865e7d35e0b4518b95071c887f00dc.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_25865e7d35e0b4518b95071c887f00dc.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1988

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\CBC8.D1D

Filesize
1KB

MD5
365adffb8a28d5a7cd2712ee7cff4954

SHA1
9a91da13945ffeb67417eff5669a49e77f18b017

SHA256
b7a62b8a47d006cb605cf1896fe9b1f74d9a4abffae1eadbfa78f188f161de71

SHA512
496660e91bc1f71cbab25979bd7b3f2f70fb1be8c4db413f80f1f38fbb3f674445bc426e810dcdd14c6a7da0393c1f06327514f8c8d5b77cd700f073151228e9

Download Submit
C:\Users\Admin\AppData\Roaming\CBC8.D1D

Filesize
600B

MD5
cbbf05fc94de6ebc6387611ee3f61e80

SHA1
a51a5e15784dac56d0510a77312b6bcc2855da4a

SHA256
b6e4d943f4d7c86390dcb138b6060edb2c5b1ae87edd53bf5ed0cfef0996bc43

SHA512
d51b6eceaf90b8594a89cf5bafa0b0cda36eaa6b7f93160b7a003e5171a291215f57f259a2279fc089d9e65d95506f579988bd6bdb53e1988b9d0726008cb0ac

Download Submit
C:\Users\Admin\AppData\Roaming\CBC8.D1D

Filesize
996B

MD5
2a0876fca16124cf13076ac480e47443

SHA1
0e5e94c9a43ebffa4dd6c037dc4d7653143ec2ca

SHA256
3df18d4825cf6e1051012a0bc8a050755036ec1a0f58dc062ea26ffb7db49b94

SHA512
ede7f8a2521ac128b8cf90a67ec4ec5cd58a07d05400975fa7de2d0d115f5b696be8b1b81d921090434a2446b749bf0f4c09b803093774099d09a5bc4f7bca3d

Download Submit
memory/1064-1-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1064-13-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1988-78-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1988-80-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/1988-77-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2700-8-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2700-6-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download

Analysis

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