cycbot | 46ef3c8300d94ee30477e91af51292b707075bcc55a2d30a47338422c2f88bb8

General

Target

46ef3c8300d94ee30477e91af51292b707075bcc55a2d30a47338422c2f88bb8.exe
Size

193KB
MD5

ec968ef4f284d6f78f7febbf47a53e55
SHA1

150212737147274f9da79644a781f1d7b2dac843
SHA256

46ef3c8300d94ee30477e91af51292b707075bcc55a2d30a47338422c2f88bb8
SHA512

9bc8090120a503d43d0811642596cf70cee1fcbaaf536feb033000dc009a09d056df77a2bfbcae3113d2546987867c8007a73cfdf88ffb10fac0c9395ea0854c
SSDEEP

3072:pdw8KI2FAwZXhgEYHTWglAGib6nYNw56Fdw0wAIFhgJTZO9/6OCTMFkp35:pd5hMWNHrlabBw5OwA49ijTGe5

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/2792-12-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/1948-13-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/2528-87-0x0000000000400000-0x000000000044E000-memory.dmp	family_cycbot
behavioral1/memory/1948-204-0x0000000000400000-0x000000000044E000-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/1948-2-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2792-12-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/1948-13-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2528-86-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/2528-87-0x0000000000400000-0x000000000044E000-memory.dmp	upx
behavioral1/memory/1948-204-0x0000000000400000-0x000000000044E000-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	46ef3c8300d94ee30477e91af51292b707075bcc55a2d30a47338422c2f88bb8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	46ef3c8300d94ee30477e91af51292b707075bcc55a2d30a47338422c2f88bb8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	46ef3c8300d94ee30477e91af51292b707075bcc55a2d30a47338422c2f88bb8.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1948 wrote to memory of 2792	1948	46ef3c8300d94ee30477e91af51292b707075bcc55a2d30a47338422c2f88bb8.exe	30
PID 1948 wrote to memory of 2792	1948	46ef3c8300d94ee30477e91af51292b707075bcc55a2d30a47338422c2f88bb8.exe	30
PID 1948 wrote to memory of 2792	1948	46ef3c8300d94ee30477e91af51292b707075bcc55a2d30a47338422c2f88bb8.exe	30
PID 1948 wrote to memory of 2792	1948	46ef3c8300d94ee30477e91af51292b707075bcc55a2d30a47338422c2f88bb8.exe	30
PID 1948 wrote to memory of 2528	1948	46ef3c8300d94ee30477e91af51292b707075bcc55a2d30a47338422c2f88bb8.exe	32
PID 1948 wrote to memory of 2528	1948	46ef3c8300d94ee30477e91af51292b707075bcc55a2d30a47338422c2f88bb8.exe	32
PID 1948 wrote to memory of 2528	1948	46ef3c8300d94ee30477e91af51292b707075bcc55a2d30a47338422c2f88bb8.exe	32
PID 1948 wrote to memory of 2528	1948	46ef3c8300d94ee30477e91af51292b707075bcc55a2d30a47338422c2f88bb8.exe	32

C:\Users\Admin\AppData\Local\Temp\46ef3c8300d94ee30477e91af51292b707075bcc55a2d30a47338422c2f88bb8.exe
"C:\Users\Admin\AppData\Local\Temp\46ef3c8300d94ee30477e91af51292b707075bcc55a2d30a47338422c2f88bb8.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1948
- C:\Users\Admin\AppData\Local\Temp\46ef3c8300d94ee30477e91af51292b707075bcc55a2d30a47338422c2f88bb8.exe
  C:\Users\Admin\AppData\Local\Temp\46ef3c8300d94ee30477e91af51292b707075bcc55a2d30a47338422c2f88bb8.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2792
- C:\Users\Admin\AppData\Local\Temp\46ef3c8300d94ee30477e91af51292b707075bcc55a2d30a47338422c2f88bb8.exe
  C:\Users\Admin\AppData\Local\Temp\46ef3c8300d94ee30477e91af51292b707075bcc55a2d30a47338422c2f88bb8.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2528

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\850C.4AE

Filesize
600B

MD5
c826ae97ba806ae5920d1496efa7215b

SHA1
cee76f6cda1980b7b1d5836e82ee189d6f90c008

SHA256
3133acf20c549c4ee5576bd9f3fdaa0172319371692a362dc8f5f37616e85143

SHA512
f8cd9b01b65412957113134877600837c627eb994e0d506c1a7cdf3bce2bd2615cb4fa130c588211c475b1ac5fcd6537cb49f3a20e8f69dfbe9346592c9471e8

Download Submit
C:\Users\Admin\AppData\Roaming\850C.4AE

Filesize
1KB

MD5
70244945b256e0aae6f67c7d68437f0e

SHA1
411d8aa2a2f2debeb386248579be43851d068ac3

SHA256
45d63fc7d5a555cdf7ed5306e5a20f05b3892d4d2512a8df7a5108aca01e0b14

SHA512
c869514b5a3363fa3e5b2f939b85cd31334503a0436c62b562818d1b7e6b50419298fed3f9a106d11298463cfe7e9898c7c3036a22b5e0a49eb711db0101f744

Download Submit
C:\Users\Admin\AppData\Roaming\850C.4AE

Filesize
996B

MD5
c955a4947e316bffac19d959d06d686e

SHA1
52bce132630340d6766cc37eb7e32ff9215dc3fe

SHA256
b78d88f755b2caa389dc42a33a8ca9b984d0b9a3e7de81f1817d6708281d79a3

SHA512
b0bc579872ee28293ad5eddabf076a8d638313d5f40a74011adb434ed76b1edcce3d2d913f03c123b30c4c73a8b6e08816bb588c5f3cb3be79f1001983e295a7

Download Submit
memory/1948-1-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1948-2-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1948-13-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/1948-204-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2528-86-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2528-87-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2792-12-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download

Analysis

Sharing