cycbot | 11ca7a96499fe12ee8f37a896ba43052bcd936775be2475db4c80469e298a0f6

General

Target

11ca7a96499fe12ee8f37a896ba43052bcd936775be2475db4c80469e298a0f6.exe
Size

187KB
MD5

d733b00a9267fb7569ac2b14e206eb67
SHA1

276b638a41c807ee9a8d93b67f5599fb1bc30fff
SHA256

11ca7a96499fe12ee8f37a896ba43052bcd936775be2475db4c80469e298a0f6
SHA512

f407f7cdadc1889b6d55d021f3426bb80625de13c569c9df1753bea1b284b48e6833b1120e8596a4fd61800110a73269aed8ad3440506d248d957305983cc608
SSDEEP

3072:VUHqpj+iHwsE3+64QSuedh+wyYE8pCaHSJaDf+HyUaP/wooi:iZsE3+SSuYxN4gD+SX

Score

10^/10

cycbot backdoor discovery persistence 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/3028-9-0x0000000000400000-0x0000000000441000-memory.dmp	family_cycbot
behavioral1/memory/2572-15-0x0000000000400000-0x0000000000441000-memory.dmp	family_cycbot
behavioral1/memory/2572-72-0x0000000000400000-0x0000000000441000-memory.dmp	family_cycbot
behavioral1/memory/2232-76-0x0000000000400000-0x0000000000441000-memory.dmp	family_cycbot
behavioral1/memory/2572-187-0x0000000000400000-0x0000000000441000-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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\conhost = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\conhost.exe"	11ca7a96499fe12ee8f37a896ba43052bcd936775be2475db4c80469e298a0f6.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2572-2-0x0000000000400000-0x0000000000441000-memory.dmp	upx
behavioral1/memory/3028-9-0x0000000000400000-0x0000000000441000-memory.dmp	upx
behavioral1/memory/2572-15-0x0000000000400000-0x0000000000441000-memory.dmp	upx
behavioral1/memory/2572-72-0x0000000000400000-0x0000000000441000-memory.dmp	upx
behavioral1/memory/2232-74-0x0000000000400000-0x0000000000441000-memory.dmp	upx
behavioral1/memory/2232-76-0x0000000000400000-0x0000000000441000-memory.dmp	upx
behavioral1/memory/2572-187-0x0000000000400000-0x0000000000441000-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	11ca7a96499fe12ee8f37a896ba43052bcd936775be2475db4c80469e298a0f6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	11ca7a96499fe12ee8f37a896ba43052bcd936775be2475db4c80469e298a0f6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	11ca7a96499fe12ee8f37a896ba43052bcd936775be2475db4c80469e298a0f6.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2572 wrote to memory of 3028	2572	11ca7a96499fe12ee8f37a896ba43052bcd936775be2475db4c80469e298a0f6.exe	30
PID 2572 wrote to memory of 3028	2572	11ca7a96499fe12ee8f37a896ba43052bcd936775be2475db4c80469e298a0f6.exe	30
PID 2572 wrote to memory of 3028	2572	11ca7a96499fe12ee8f37a896ba43052bcd936775be2475db4c80469e298a0f6.exe	30
PID 2572 wrote to memory of 3028	2572	11ca7a96499fe12ee8f37a896ba43052bcd936775be2475db4c80469e298a0f6.exe	30
PID 2572 wrote to memory of 2232	2572	11ca7a96499fe12ee8f37a896ba43052bcd936775be2475db4c80469e298a0f6.exe	32
PID 2572 wrote to memory of 2232	2572	11ca7a96499fe12ee8f37a896ba43052bcd936775be2475db4c80469e298a0f6.exe	32
PID 2572 wrote to memory of 2232	2572	11ca7a96499fe12ee8f37a896ba43052bcd936775be2475db4c80469e298a0f6.exe	32
PID 2572 wrote to memory of 2232	2572	11ca7a96499fe12ee8f37a896ba43052bcd936775be2475db4c80469e298a0f6.exe	32

C:\Users\Admin\AppData\Local\Temp\11ca7a96499fe12ee8f37a896ba43052bcd936775be2475db4c80469e298a0f6.exe
"C:\Users\Admin\AppData\Local\Temp\11ca7a96499fe12ee8f37a896ba43052bcd936775be2475db4c80469e298a0f6.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2572
- C:\Users\Admin\AppData\Local\Temp\11ca7a96499fe12ee8f37a896ba43052bcd936775be2475db4c80469e298a0f6.exe
  C:\Users\Admin\AppData\Local\Temp\11ca7a96499fe12ee8f37a896ba43052bcd936775be2475db4c80469e298a0f6.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3028
- C:\Users\Admin\AppData\Local\Temp\11ca7a96499fe12ee8f37a896ba43052bcd936775be2475db4c80469e298a0f6.exe
  C:\Users\Admin\AppData\Local\Temp\11ca7a96499fe12ee8f37a896ba43052bcd936775be2475db4c80469e298a0f6.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2232

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

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

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Downloads

C:\Users\Admin\AppData\Roaming\C1F2.A73

Filesize
1KB

MD5
74ee61e703fd2afe8c128518817d7329

SHA1
a194d5c2e9284febb57b2bd31e96eb70851d47cb

SHA256
5bebb67e915b695d91648ed8b1e53117fca5ffb5aaa2bde9f6efc355719e9710

SHA512
df06a49807389809344a86eb3ba2e3762821ff7f5877d558ed3ca94f390d80af68fbd50088f905bc637d1934dc7bbc60b8bb6783d47033c94797a88f5ebceaf9

Download Submit
C:\Users\Admin\AppData\Roaming\C1F2.A73

Filesize
600B

MD5
e4c5bdd510b98ca3f451ec28bdde3f54

SHA1
c088666d6f8bc0cf2bc2d2df03e809aaa7a06b1a

SHA256
adb4b7f99b189f379bab1e48f720e6856348d878e0afaa15cc2d0ddd190de457

SHA512
1700c2001f141971415251653fb49c09d57e730caea5b09490ddbb640cfccd3342b263fd1cfed72433c5aeb8bad43f3e2797d816617fe1cef7eafaf748935999

Download Submit
C:\Users\Admin\AppData\Roaming\C1F2.A73

Filesize
996B

MD5
14451793e50fd7b3cd13e67cde438a27

SHA1
2761dac695f0a0835d64b4e0b851cf2624bef2f8

SHA256
ed2116a35b72e222bb3e5b41b2d827aa3a2cd328e01bde8c8237f559ada9d586

SHA512
3b1f3cbeb4be2b37c156f76ee2f9969b9959e1036a37193697ea9d81496aa3e3b1019afcda4bb02bf921280fac6c97e102d2ba488a60cacbb6ba9feef2b5b007

Download Submit
memory/2232-76-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/2232-74-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/2572-15-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/2572-72-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/2572-2-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/2572-1-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/2572-187-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/3028-7-0x0000000000590000-0x0000000000690000-memory.dmp

Filesize
1024KB

Download
memory/3028-9-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/3028-10-0x00000000005DD000-0x00000000005F8000-memory.dmp

Filesize
108KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads