cycbot | b66aa491b8bc87ed8c8fc61a7d4f912be6c0ad686a27f9b5c970dafafcee25e1

General

Target

d247b1143874dbbd753f09d1c998f0d6_JaffaCakes118.exe
Size

193KB
MD5

d247b1143874dbbd753f09d1c998f0d6
SHA1

4652cfbc0dfc3a4305b4fed2bf9a285edfca5712
SHA256

b66aa491b8bc87ed8c8fc61a7d4f912be6c0ad686a27f9b5c970dafafcee25e1
SHA512

3b8e4604d44aca643d5b6552c23f86cc1be0ec28648b6faabc754681aa8468446c27e5fd61d11fa160744c9baa66c2fb2863041bfcd7bbd56d09b2d763803d95
SSDEEP

3072:sYdf45yb2XrpMhCLk5+BY7r12xCjAzdWqFb9y9VBP2clLIgL6kDRwDxQ2:lxzSX9Mcg5n7mAEI9vTLIY6kDh2

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/2796-6-0x0000000000400000-0x0000000000469000-memory.dmp	family_cycbot
behavioral1/memory/2796-8-0x0000000000400000-0x0000000000469000-memory.dmp	family_cycbot
behavioral1/memory/1700-17-0x0000000000400000-0x0000000000469000-memory.dmp	family_cycbot
behavioral1/memory/2068-89-0x0000000000400000-0x0000000000469000-memory.dmp	family_cycbot
behavioral1/memory/1700-192-0x0000000000400000-0x0000000000469000-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 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1700-2-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/2796-5-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/2796-6-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/2796-8-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/1700-17-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/2068-89-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/1700-192-0x0000000000400000-0x0000000000469000-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	d247b1143874dbbd753f09d1c998f0d6_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d247b1143874dbbd753f09d1c998f0d6_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d247b1143874dbbd753f09d1c998f0d6_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1700 wrote to memory of 2796	1700	d247b1143874dbbd753f09d1c998f0d6_JaffaCakes118.exe	30
PID 1700 wrote to memory of 2796	1700	d247b1143874dbbd753f09d1c998f0d6_JaffaCakes118.exe	30
PID 1700 wrote to memory of 2796	1700	d247b1143874dbbd753f09d1c998f0d6_JaffaCakes118.exe	30
PID 1700 wrote to memory of 2796	1700	d247b1143874dbbd753f09d1c998f0d6_JaffaCakes118.exe	30
PID 1700 wrote to memory of 2068	1700	d247b1143874dbbd753f09d1c998f0d6_JaffaCakes118.exe	32
PID 1700 wrote to memory of 2068	1700	d247b1143874dbbd753f09d1c998f0d6_JaffaCakes118.exe	32
PID 1700 wrote to memory of 2068	1700	d247b1143874dbbd753f09d1c998f0d6_JaffaCakes118.exe	32
PID 1700 wrote to memory of 2068	1700	d247b1143874dbbd753f09d1c998f0d6_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\d247b1143874dbbd753f09d1c998f0d6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d247b1143874dbbd753f09d1c998f0d6_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1700
- C:\Users\Admin\AppData\Local\Temp\d247b1143874dbbd753f09d1c998f0d6_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\d247b1143874dbbd753f09d1c998f0d6_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2796
- C:\Users\Admin\AppData\Local\Temp\d247b1143874dbbd753f09d1c998f0d6_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\d247b1143874dbbd753f09d1c998f0d6_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2068

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\70C4.AE2

Filesize
1KB

MD5
6433bdb00272b497c291def4e73fe0a8

SHA1
e7ded831a8fd61a8eeb4b2277b7d7f4e1337f24e

SHA256
a57c6782ed926bf47a839187abb3fc5f26249a49a6154c81593b1185d5b8dc45

SHA512
d13fd8177aa94f9dd3f79fa2101d503c8b9c48e5d4ae6130d4c9801fc282b9ac5dfab9742b43362a154a545efe931ce5934c0774055f57033230aa0d09e09c72

Download Submit
C:\Users\Admin\AppData\Roaming\70C4.AE2

Filesize
600B

MD5
4f9396b8fac23ab5c37c3c915f6582ff

SHA1
d196cdfe872c00341995918f2d00d6f9a2511e94

SHA256
e8bfd0f1d3c50e248f173c90484bab152ffb71ab0a3bee71e132c8169e0d0990

SHA512
5f4f02b5622e918b9372d27009231c5edaf6c8224a265262356725e34d4fd40636b74e290f794762b10f1a2cce692fa867b632e1411211235ca244d88db08b36

Download Submit
C:\Users\Admin\AppData\Roaming\70C4.AE2

Filesize
996B

MD5
e7dbd6e6b3a617ebb0e6e14ad37a1745

SHA1
24b7cca025342ee8d24abc082f5258c1a1417360

SHA256
bd10bbce0ebacd671b25af5fc2a3d336efe994f676cc07989099a132b3e974ac

SHA512
2fa0697bb2a65b7b1e144fb03a2a8184df0ff090b46186eb729e597b25b04536964a14275cf52e4abccad4c369f3c04c015089faa00d297ca8477d0e7609c8e7

Download Submit
memory/1700-1-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/1700-2-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/1700-17-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/1700-192-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2068-89-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2796-5-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2796-6-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2796-8-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download

Analysis

Sharing