cycbot | 4422a1b3418a16eb9e7c1355d098280f8761fcfcda464ba2491a0aac35853fdb

Analysis

max time kernel
14s
max time network
33s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
29/03/2025, 17:41

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General

Target

JaffaCakes118_8e9bd84240c591bb143a4b61f26ad9fe.exe
Size

283KB
MD5

8e9bd84240c591bb143a4b61f26ad9fe
SHA1

ad97e29812f07446824c5faeb6e68e9968201b21
SHA256

4422a1b3418a16eb9e7c1355d098280f8761fcfcda464ba2491a0aac35853fdb
SHA512

1b019d04c869b4f0ed52bdb2a59d380c2cc1336318d964610fb06fbe98a6f24b897c7807660d673f9c238a9ba6bfbabffabe92e2873adca433777cc084486ecd
SSDEEP

6144:VDplsnscrEZGUT1eIbLNPSkLpwDDMfZbwVts92qo1bY:1boEZTeWsJDMdwV292qo1b

Score

10^/10

cycbot backdoor discovery rat upx

Malware Config

Signatures

Cycbot
Cycbot is a backdoor and trojan written in C++..
backdoor rat cycbot
Cycbot family
cycbot

Detects Cycbot payload 2 IoCs

Cycbot is a backdoor and trojan written in C++.

resource	yara_rule
behavioral1/memory/2536-3-0x0000000000400000-0x000000000046B000-memory.dmp	family_cycbot
behavioral1/memory/2536-4-0x0000000000400000-0x0000000000468000-memory.dmp	family_cycbot

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2536-2-0x0000000000400000-0x000000000046B000-memory.dmp	upx
behavioral1/memory/2536-3-0x0000000000400000-0x000000000046B000-memory.dmp	upx
behavioral1/memory/2536-4-0x0000000000400000-0x0000000000468000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\LP\6F9D\72F.exe	JaffaCakes118_8e9bd84240c591bb143a4b61f26ad9fe.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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_8e9bd84240c591bb143a4b61f26ad9fe.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2536	JaffaCakes118_8e9bd84240c591bb143a4b61f26ad9fe.exe
2536	JaffaCakes118_8e9bd84240c591bb143a4b61f26ad9fe.exe
2536	JaffaCakes118_8e9bd84240c591bb143a4b61f26ad9fe.exe
2536	JaffaCakes118_8e9bd84240c591bb143a4b61f26ad9fe.exe
2536	JaffaCakes118_8e9bd84240c591bb143a4b61f26ad9fe.exe
2536	JaffaCakes118_8e9bd84240c591bb143a4b61f26ad9fe.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeRestorePrivilege	2120	msiexec.exe
Token: SeTakeOwnershipPrivilege	2120	msiexec.exe
Token: SeSecurityPrivilege	2120	msiexec.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8e9bd84240c591bb143a4b61f26ad9fe.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8e9bd84240c591bb143a4b61f26ad9fe.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:2536

C:\Windows\system32\msiexec.exe
C:\Windows\system32\msiexec.exe /V
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2120

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2536-2-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2536-1-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download
memory/2536-3-0x0000000000400000-0x000000000046B000-memory.dmp

Filesize
428KB

Download
memory/2536-4-0x0000000000400000-0x0000000000468000-memory.dmp

Filesize
416KB

Download