cycbot | fccc86ae3430b5816c891e8b8425bd49fc8f0e9d7fa523199b67d9c279d2e4dd

General

Target

d5624689ee615f9503b4d85f151044a7_JaffaCakes118.exe
Size

170KB
MD5

d5624689ee615f9503b4d85f151044a7
SHA1

de0fd513a529c8f5f736ab4b82c7b18e7bdb1df9
SHA256

fccc86ae3430b5816c891e8b8425bd49fc8f0e9d7fa523199b67d9c279d2e4dd
SHA512

203c1caa587760ce8fca0c89c16d3291fc85bd9a8452ebc7a01c591223236d5a54b7ceaf4f0243c90a88ff2f0f6f2d42c15cf2771e335a8b6978503255394edb
SSDEEP

3072:YBj3OovdbTMucfSTk5trgIOtComxDBqdpD:YBDP2uRTEXOtZmaX

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/2604-14-0x0000000000400000-0x000000000046B000-memory.dmp	family_cycbot
behavioral1/memory/2604-15-0x0000000000400000-0x000000000046B000-memory.dmp	family_cycbot
behavioral1/memory/2080-16-0x0000000000400000-0x000000000046B000-memory.dmp	family_cycbot
behavioral1/memory/2812-91-0x0000000000400000-0x000000000046B000-memory.dmp	family_cycbot
behavioral1/memory/2080-200-0x0000000000400000-0x000000000046B000-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/2080-2-0x0000000000400000-0x000000000046B000-memory.dmp	upx
behavioral1/memory/2604-12-0x0000000000400000-0x000000000046B000-memory.dmp	upx
behavioral1/memory/2604-14-0x0000000000400000-0x000000000046B000-memory.dmp	upx
behavioral1/memory/2604-15-0x0000000000400000-0x000000000046B000-memory.dmp	upx
behavioral1/memory/2080-16-0x0000000000400000-0x000000000046B000-memory.dmp	upx
behavioral1/memory/2812-89-0x0000000000400000-0x000000000046B000-memory.dmp	upx
behavioral1/memory/2812-91-0x0000000000400000-0x000000000046B000-memory.dmp	upx
behavioral1/memory/2080-200-0x0000000000400000-0x000000000046B000-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	d5624689ee615f9503b4d85f151044a7_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d5624689ee615f9503b4d85f151044a7_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d5624689ee615f9503b4d85f151044a7_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2080 wrote to memory of 2604	2080	d5624689ee615f9503b4d85f151044a7_JaffaCakes118.exe	28
PID 2080 wrote to memory of 2604	2080	d5624689ee615f9503b4d85f151044a7_JaffaCakes118.exe	28
PID 2080 wrote to memory of 2604	2080	d5624689ee615f9503b4d85f151044a7_JaffaCakes118.exe	28
PID 2080 wrote to memory of 2604	2080	d5624689ee615f9503b4d85f151044a7_JaffaCakes118.exe	28
PID 2080 wrote to memory of 2812	2080	d5624689ee615f9503b4d85f151044a7_JaffaCakes118.exe	30
PID 2080 wrote to memory of 2812	2080	d5624689ee615f9503b4d85f151044a7_JaffaCakes118.exe	30
PID 2080 wrote to memory of 2812	2080	d5624689ee615f9503b4d85f151044a7_JaffaCakes118.exe	30
PID 2080 wrote to memory of 2812	2080	d5624689ee615f9503b4d85f151044a7_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\d5624689ee615f9503b4d85f151044a7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d5624689ee615f9503b4d85f151044a7_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2080
- C:\Users\Admin\AppData\Local\Temp\d5624689ee615f9503b4d85f151044a7_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\d5624689ee615f9503b4d85f151044a7_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2604
- C:\Users\Admin\AppData\Local\Temp\d5624689ee615f9503b4d85f151044a7_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\d5624689ee615f9503b4d85f151044a7_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2812

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\A3D2.A4A

Filesize
1KB

MD5
9ad1278077542f8fadfb508c5b2bea8b

SHA1
9eac4975070012df3255ab65cdfcba2bd34245cb

SHA256
d58e53a72d5f0974691968b4750a1dc6790461710d70de79a49df1380fc0df1b

SHA512
5216d9a3c76c69462efbf488e36c3dc83e390e12023ff7c3384c8f742e412483660d295af20bb62963b0bb3efc33757260f0b93d2c27c2664dfb2d4392812b5e

Download Submit
C:\Users\Admin\AppData\Roaming\A3D2.A4A

Filesize
600B

MD5
e86dde644cca8d605ae96f9403475cb7

SHA1
f65f67c24925471d134b0e37c3c5dfc0125e0caf

SHA256
1bdf58126e6c04d933cf3a85f0c9e9bd6070f8deee54505dd57781da2dae29e6

SHA512
32cced29eb945de5651ea6b5c24035e85df6048104c8aa2a85b3ca0905a1b0e3736d5177221f2495aa73aead4f14a29ebfa8dda7c3b3dad2ff0ecaa1c330ef71

Download Submit
C:\Users\Admin\AppData\Roaming\A3D2.A4A

Filesize
996B

MD5
e34910f047a877cc37666b8300e9fa7e

SHA1
f8e20a59aa25454b101e8aa43eb567e8a750b77e

SHA256
670807a0a0fd9ef2ac0f80455ee4dc8240747408746970b39943d0453291b5cf

SHA512
62032a9c133c2d8ec9b65fdf9cc21c091a669bc0164bb669ccf34a43390c58dc856a6c68d7e4005a634d7cc284af5aa2484581037eeb4ff61dac0e689b36e1ab

Download Submit
memory/2080-1-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2080-2-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2080-16-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2080-200-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2604-12-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2604-14-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2604-15-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2812-89-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2812-91-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download

Analysis

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