cycbot | e3bfa4353a9a5c3258e3f2b0012075003857d3e1c2e18bfcbe8975a0a998ba99

General

Target

f85654caea2c8918ac6dce786097cccf_JaffaCakes118.exe
Size

192KB
MD5

f85654caea2c8918ac6dce786097cccf
SHA1

257c81787ce27c27f2362e5875f14ee6ddd263b8
SHA256

e3bfa4353a9a5c3258e3f2b0012075003857d3e1c2e18bfcbe8975a0a998ba99
SHA512

4d4b964af4dad681e5e513e5d4785d437caa006acc5b19aac20f54c00638a428995d063d73f6278588c5eb294f9c2e20cec2f47cc3eb0df9d0956c0d8a7d7509
SSDEEP

3072:y2BtU5tper/fxMEj2GGGFQJXudC1x1mTJ719vxof6w2QfYcOQjG9+MSnhSPXDJMO:y3ibfnjzeXsgxglnxofd2ibe+pnhSfN/

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/1724-7-0x0000000000400000-0x0000000000469000-memory.dmp	family_cycbot
behavioral1/memory/2108-15-0x0000000000400000-0x0000000000469000-memory.dmp	family_cycbot
behavioral1/memory/2168-86-0x0000000000400000-0x0000000000469000-memory.dmp	family_cycbot
behavioral1/memory/2108-194-0x0000000000400000-0x0000000000469000-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 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2108-2-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/1724-7-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/2108-15-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/2168-86-0x0000000000400000-0x0000000000469000-memory.dmp	upx
behavioral1/memory/2108-194-0x0000000000400000-0x0000000000469000-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	f85654caea2c8918ac6dce786097cccf_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f85654caea2c8918ac6dce786097cccf_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f85654caea2c8918ac6dce786097cccf_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2108 wrote to memory of 1724	2108	f85654caea2c8918ac6dce786097cccf_JaffaCakes118.exe	30
PID 2108 wrote to memory of 1724	2108	f85654caea2c8918ac6dce786097cccf_JaffaCakes118.exe	30
PID 2108 wrote to memory of 1724	2108	f85654caea2c8918ac6dce786097cccf_JaffaCakes118.exe	30
PID 2108 wrote to memory of 1724	2108	f85654caea2c8918ac6dce786097cccf_JaffaCakes118.exe	30
PID 2108 wrote to memory of 2168	2108	f85654caea2c8918ac6dce786097cccf_JaffaCakes118.exe	32
PID 2108 wrote to memory of 2168	2108	f85654caea2c8918ac6dce786097cccf_JaffaCakes118.exe	32
PID 2108 wrote to memory of 2168	2108	f85654caea2c8918ac6dce786097cccf_JaffaCakes118.exe	32
PID 2108 wrote to memory of 2168	2108	f85654caea2c8918ac6dce786097cccf_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\f85654caea2c8918ac6dce786097cccf_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f85654caea2c8918ac6dce786097cccf_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2108
- C:\Users\Admin\AppData\Local\Temp\f85654caea2c8918ac6dce786097cccf_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\f85654caea2c8918ac6dce786097cccf_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1724
- C:\Users\Admin\AppData\Local\Temp\f85654caea2c8918ac6dce786097cccf_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\f85654caea2c8918ac6dce786097cccf_JaffaCakes118.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2168

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\427D.C52

Filesize
600B

MD5
dbfb9b26c2868accb16819279b9d2e08

SHA1
da9f9de9f85f1ae1e45654b05d976599e5133f95

SHA256
2bf614caf5e36149db81aa931a6cfe9e2f89311b2daadb349195760363d18afe

SHA512
9bf5cbd3364d1dae9bc27c144d53cc25bf998d57bc02c935c5bc94c17dd7e360958fd5fd680472cf9fce0923362c78947d54ce39522821bc920b3a886f3eeb0c

Download Submit
C:\Users\Admin\AppData\Roaming\427D.C52

Filesize
1KB

MD5
5ce4b124610d1a45d49ac96327d40017

SHA1
de28e24127ff53d039aa54637a0c3ce502ecc447

SHA256
297a7810f35edcb35124aafd84d61123bf68362bbf51e5677ccf5b7a7d25b6f5

SHA512
6d2b48c8c1abe382a828155b25c804096b950c519c3a76ac6479c37fecf1a7c5f058e3b6fb902d55fc9d2ecd9b3ba49866f0a8831b75e1d2fa614a7be82cf6b2

Download Submit
C:\Users\Admin\AppData\Roaming\427D.C52

Filesize
996B

MD5
5cb9e1a003684795f8457ca052ee88bf

SHA1
6c2f67b7d99031340a2ffef86acbb09932780b9d

SHA256
62480be3e1a03a71c08d63170ce5be173eb51705d19d50ff6627282598618ca4

SHA512
f7f0005444eefa75d73830e706976b9d0018ef21a66344c68d8c786ca8d55351ea3171117410f7c32e4a888576bac2df4b2614cc27b9149c79ed894f0e39f004

Download Submit
memory/1724-5-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/1724-7-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2108-1-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2108-2-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2108-15-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2108-194-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download
memory/2168-86-0x0000000000400000-0x0000000000469000-memory.dmp

Filesize
420KB

Download

Analysis

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