cycbot | 04e2a1c24c85bc51299397b045611d82c2eb26f9bfc5b10fb68599fa809430df

General

Target

JaffaCakes118_6a8bfda086c859a169d0debd79b94dca.exe
Size

197KB
MD5

6a8bfda086c859a169d0debd79b94dca
SHA1

bacc9890a0f2b07ddadd4cd28757acd673439eec
SHA256

04e2a1c24c85bc51299397b045611d82c2eb26f9bfc5b10fb68599fa809430df
SHA512

93f830488865a6628d0ab6a09ed981e6c3810901874fb3f2a7aeebfc85f81df2adc9dbbaf42cf611b977d782b494091c1d05595570ae5223783e8533ade29103
SSDEEP

3072:NVoZIGzoQMRKmneS8Z6aiFnAyskdZ+HSIh2xUxje8d8ya4bKnsu:NC/oVRKmneZ6xFnAy5d4yQFxjeVN4bK

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/2760-13-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2096-14-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/636-73-0x0000000000400000-0x0000000000455000-memory.dmp	family_cycbot
behavioral1/memory/2096-184-0x0000000000400000-0x0000000000455000-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/2096-2-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2760-12-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2760-13-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2096-14-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/636-73-0x0000000000400000-0x0000000000455000-memory.dmp	upx
behavioral1/memory/2096-184-0x0000000000400000-0x0000000000455000-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_6a8bfda086c859a169d0debd79b94dca.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6a8bfda086c859a169d0debd79b94dca.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6a8bfda086c859a169d0debd79b94dca.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2096 wrote to memory of 2760	2096	JaffaCakes118_6a8bfda086c859a169d0debd79b94dca.exe	31
PID 2096 wrote to memory of 2760	2096	JaffaCakes118_6a8bfda086c859a169d0debd79b94dca.exe	31
PID 2096 wrote to memory of 2760	2096	JaffaCakes118_6a8bfda086c859a169d0debd79b94dca.exe	31
PID 2096 wrote to memory of 2760	2096	JaffaCakes118_6a8bfda086c859a169d0debd79b94dca.exe	31
PID 2096 wrote to memory of 636	2096	JaffaCakes118_6a8bfda086c859a169d0debd79b94dca.exe	33
PID 2096 wrote to memory of 636	2096	JaffaCakes118_6a8bfda086c859a169d0debd79b94dca.exe	33
PID 2096 wrote to memory of 636	2096	JaffaCakes118_6a8bfda086c859a169d0debd79b94dca.exe	33
PID 2096 wrote to memory of 636	2096	JaffaCakes118_6a8bfda086c859a169d0debd79b94dca.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a8bfda086c859a169d0debd79b94dca.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a8bfda086c859a169d0debd79b94dca.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2096
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a8bfda086c859a169d0debd79b94dca.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a8bfda086c859a169d0debd79b94dca.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2760
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a8bfda086c859a169d0debd79b94dca.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a8bfda086c859a169d0debd79b94dca.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:636

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\54A4.4C5

Filesize
1KB

MD5
143a1f110000b175742735d7f7025cf6

SHA1
79d7237cc598e818510988d1122e423135a7857c

SHA256
ea6d1dbf14504a90583d22dbd92ad80ea40864c312e358df860baf5ee362548d

SHA512
51a7e63aa359774f2b8f571b287e959054ca90383255729d274c0c5f77763f8fb159f253153598f5d84facd566c8b8e03ec826e9cad158aee8a172e758e6182d

Download Submit
C:\Users\Admin\AppData\Roaming\54A4.4C5

Filesize
600B

MD5
b99a6ce787737ea39b05382c1a5c7fc7

SHA1
4ab82d36dd477d1fd1ea3e7b2aad3e0556a530ec

SHA256
c8be3335a633420bafa9df37f6f2c6d9b716c75473e6e2365ca2f32e8a8816b6

SHA512
2aefbbfef38681a3c25761fc469720c7a774937f8c0131e72d2f015e35eef1020f9826111ba4a224b11ebf44c3cb780c2244e3046503feb77a3db3fb5078c0b1

Download Submit
C:\Users\Admin\AppData\Roaming\54A4.4C5

Filesize
996B

MD5
877064bcc6aab1de0e640c066dfcc0bd

SHA1
7f3ef6f357a5cfae07ea1921340578b0bb0896f5

SHA256
0bfa4f89ef4baaab2ab2a38ee096ae01ff4157a9f989e95297e3fc4177cadfe1

SHA512
f5786a5b591e087a8fe554761c6722acf584458c797277e2e3c7c4ea8168f30b33e1978c8923812c2b479705f8f1e958de3462c69e1978405bf3e5780c5a9414

Download Submit
memory/636-73-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2096-1-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2096-2-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2096-14-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2096-184-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2760-12-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/2760-13-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download

Analysis

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