cycbot | 239b33dea14938ea65420636a8e104208ba81579348482af1f7c7c8911883af7

Analysis

max time kernel
2s
max time network
3s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
18-12-2024 08:08

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General

Target

fac01ac50a6254ed05db034d295ab301_JaffaCakes118.exe
Size

373KB
MD5

fac01ac50a6254ed05db034d295ab301
SHA1

f93bd6f6d9274903a512a7526395de9ff5805b51
SHA256

239b33dea14938ea65420636a8e104208ba81579348482af1f7c7c8911883af7
SHA512

f8f7126c106b649e3ae20be3677a62647ef160d235313c7fbee608af3ccc78e737d89da8ea9d8ec0889d8c514248f475e60450e70e290190fb89d2bc2ad670ff
SSDEEP

6144:2bN8NUMcpstzpvjJ7fRJAfXYgyHskta/zJ9AI1JQ0DUL:FNUvsNprJfAEHsktEuGS0oL

Score

10^/10

cycbot backdoor bootkit 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 1 IoCs

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

resource	yara_rule
behavioral1/memory/2796-73-0x0000000000400000-0x0000000000449000-memory.dmp	family_cycbot

Executes dropped EXE 5 IoCs

pid	Process
1428	bpfull.exe
292	2 Gansta.exe
2544	3IC.exe
2836	R2R.exe
2796	R2R.exe

Loads dropped DLL 24 IoCs

pid	Process
2600	fac01ac50a6254ed05db034d295ab301_JaffaCakes118.exe
2600	fac01ac50a6254ed05db034d295ab301_JaffaCakes118.exe
1428	bpfull.exe
1428	bpfull.exe
1428	bpfull.exe
2600	fac01ac50a6254ed05db034d295ab301_JaffaCakes118.exe
2600	fac01ac50a6254ed05db034d295ab301_JaffaCakes118.exe
2600	fac01ac50a6254ed05db034d295ab301_JaffaCakes118.exe
2600	fac01ac50a6254ed05db034d295ab301_JaffaCakes118.exe
292	2 Gansta.exe
292	2 Gansta.exe
292	2 Gansta.exe
2544	3IC.exe
2544	3IC.exe
2544	3IC.exe
2600	fac01ac50a6254ed05db034d295ab301_JaffaCakes118.exe
2600	fac01ac50a6254ed05db034d295ab301_JaffaCakes118.exe
2836	R2R.exe
2836	R2R.exe
2836	R2R.exe
2836	R2R.exe
2796	R2R.exe
2796	R2R.exe
2796	R2R.exe

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:\\Program Files (x86)\\Internet Explorer\\lvvm.exe"	R2R.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\physicaldrive0	3IC.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000700000001941b-17.dat	upx
behavioral1/memory/2600-18-0x0000000002230000-0x000000000223A000-memory.dmp	upx
behavioral1/memory/2796-73-0x0000000000400000-0x0000000000449000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Internet Explorer\lvvm.exe	R2R.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 6 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	R2R.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	R2R.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fac01ac50a6254ed05db034d295ab301_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bpfull.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2 Gansta.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3IC.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2544	3IC.exe

Suspicious use of WriteProcessMemory 35 IoCs

description	pid	Process	procid_target
PID 2600 wrote to memory of 1428	2600	fac01ac50a6254ed05db034d295ab301_JaffaCakes118.exe	31
PID 2600 wrote to memory of 1428	2600	fac01ac50a6254ed05db034d295ab301_JaffaCakes118.exe	31
PID 2600 wrote to memory of 1428	2600	fac01ac50a6254ed05db034d295ab301_JaffaCakes118.exe	31
PID 2600 wrote to memory of 1428	2600	fac01ac50a6254ed05db034d295ab301_JaffaCakes118.exe	31
PID 2600 wrote to memory of 1428	2600	fac01ac50a6254ed05db034d295ab301_JaffaCakes118.exe	31
PID 2600 wrote to memory of 1428	2600	fac01ac50a6254ed05db034d295ab301_JaffaCakes118.exe	31
PID 2600 wrote to memory of 1428	2600	fac01ac50a6254ed05db034d295ab301_JaffaCakes118.exe	31
PID 2600 wrote to memory of 292	2600	fac01ac50a6254ed05db034d295ab301_JaffaCakes118.exe	32
PID 2600 wrote to memory of 292	2600	fac01ac50a6254ed05db034d295ab301_JaffaCakes118.exe	32
PID 2600 wrote to memory of 292	2600	fac01ac50a6254ed05db034d295ab301_JaffaCakes118.exe	32
PID 2600 wrote to memory of 292	2600	fac01ac50a6254ed05db034d295ab301_JaffaCakes118.exe	32
PID 2600 wrote to memory of 292	2600	fac01ac50a6254ed05db034d295ab301_JaffaCakes118.exe	32
PID 2600 wrote to memory of 292	2600	fac01ac50a6254ed05db034d295ab301_JaffaCakes118.exe	32
PID 2600 wrote to memory of 292	2600	fac01ac50a6254ed05db034d295ab301_JaffaCakes118.exe	32
PID 2600 wrote to memory of 2544	2600	fac01ac50a6254ed05db034d295ab301_JaffaCakes118.exe	33
PID 2600 wrote to memory of 2544	2600	fac01ac50a6254ed05db034d295ab301_JaffaCakes118.exe	33
PID 2600 wrote to memory of 2544	2600	fac01ac50a6254ed05db034d295ab301_JaffaCakes118.exe	33
PID 2600 wrote to memory of 2544	2600	fac01ac50a6254ed05db034d295ab301_JaffaCakes118.exe	33
PID 2600 wrote to memory of 2544	2600	fac01ac50a6254ed05db034d295ab301_JaffaCakes118.exe	33
PID 2600 wrote to memory of 2544	2600	fac01ac50a6254ed05db034d295ab301_JaffaCakes118.exe	33
PID 2600 wrote to memory of 2544	2600	fac01ac50a6254ed05db034d295ab301_JaffaCakes118.exe	33
PID 2600 wrote to memory of 2836	2600	fac01ac50a6254ed05db034d295ab301_JaffaCakes118.exe	34
PID 2600 wrote to memory of 2836	2600	fac01ac50a6254ed05db034d295ab301_JaffaCakes118.exe	34
PID 2600 wrote to memory of 2836	2600	fac01ac50a6254ed05db034d295ab301_JaffaCakes118.exe	34
PID 2600 wrote to memory of 2836	2600	fac01ac50a6254ed05db034d295ab301_JaffaCakes118.exe	34
PID 2600 wrote to memory of 2836	2600	fac01ac50a6254ed05db034d295ab301_JaffaCakes118.exe	34
PID 2600 wrote to memory of 2836	2600	fac01ac50a6254ed05db034d295ab301_JaffaCakes118.exe	34
PID 2600 wrote to memory of 2836	2600	fac01ac50a6254ed05db034d295ab301_JaffaCakes118.exe	34
PID 2836 wrote to memory of 2796	2836	R2R.exe	35
PID 2836 wrote to memory of 2796	2836	R2R.exe	35
PID 2836 wrote to memory of 2796	2836	R2R.exe	35
PID 2836 wrote to memory of 2796	2836	R2R.exe	35
PID 2836 wrote to memory of 2796	2836	R2R.exe	35
PID 2836 wrote to memory of 2796	2836	R2R.exe	35
PID 2836 wrote to memory of 2796	2836	R2R.exe	35

C:\Users\Admin\AppData\Local\Temp\fac01ac50a6254ed05db034d295ab301_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fac01ac50a6254ed05db034d295ab301_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2600
- C:\Users\Admin\AppData\Local\Temp\nsyCB5C.tmp\bpfull.exe
  "C:\Users\Admin\AppData\Local\Temp\nsyCB5C.tmp\bpfull.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:1428
- C:\Users\Admin\AppData\Local\Temp\nsyCB5C.tmp\2 Gansta.exe
  "C:\Users\Admin\AppData\Local\Temp\nsyCB5C.tmp\2 Gansta.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:292
- C:\Users\Admin\AppData\Local\Temp\nsyCB5C.tmp\3IC.exe
  "C:\Users\Admin\AppData\Local\Temp\nsyCB5C.tmp\3IC.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Writes to the Master Boot Record (MBR)
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2544
- C:\Users\Admin\AppData\Local\Temp\nsyCB5C.tmp\R2R.exe
  "C:\Users\Admin\AppData\Local\Temp\nsyCB5C.tmp\R2R.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2836
- - C:\Users\Admin\AppData\Local\Temp\nsyCB5C.tmp\R2R.exe
    C:\Users\Admin\AppData\Local\Temp\nsyCB5C.tmp\R2R.exe startC:\Users\Admin\AppData\Roaming\conhost.exe%C:\Users\Admin\AppData\Roaming
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    PID:2796

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\A1BE.B5B

Filesize
300B

MD5
96329a4458b424e27f103e4c9770f988

SHA1
0a6e7a79e04a82b2c4ebe625478003b3ab0e9fbd

SHA256
1d4ca52de476e89c9e181c28f051ee06144e706e9a6f039b142500d2e853eee8

SHA512
14da66cf0ea0cec1ab90c3ec450f04f7d9e1709ed420d86f311a8e745298c8250c1c88b90c432ffdc469f392a6de125748b29ba6b4e082ad94084eba018e76fe

Download Submit
\Users\Admin\AppData\Local\Temp\nsyCB5C.tmp\2 Gansta.exe

Filesize
6KB

MD5
bee76c79e2e63e198038e01f0d571038

SHA1
fcffdd6bb030f516a46e9d303ebae2ab33af222e

SHA256
50a3c7134460bfe5f2840bd8dc957edfaa76da5beaaff70f8da5e0fef80ae876

SHA512
dd2e9488ad365c02722e1a2466acffb8beaf4dbb68d7093e01c50cd915418ca0642cb6bdd43f2f2b014455803f3c69dec24ca9dfee11bdf7790379181cd2f6f9

Download Submit
\Users\Admin\AppData\Local\Temp\nsyCB5C.tmp\3IC.exe

Filesize
219KB

MD5
db592037b5526080b12b57dde54ccbc8

SHA1
8d5472e088c07641e26ade451d251745c7030fd8

SHA256
d6b46a9ea3a5843e53e7a90d389f9e6061ebecfb197b7da6248f2876d15d6007

SHA512
dd12ee9eb37d59004111ba28c47ff0470e6dbacf047f1af1af99b932ed7172be8cfa3df3f1550eda3d3448cd976395a4a8f46059a094d93be07dfebf8da00b32

Download Submit
\Users\Admin\AppData\Local\Temp\nsyCB5C.tmp\R2R.exe

Filesize
170KB

MD5
db5499ebbfe3df8ef3f407422fab6f68

SHA1
9fc65b5092099782b80280e6cdaf109a89a16cfe

SHA256
f7644bab8ce7f0927f045c6c0ff84cbe45eb471d071c0eada673e9af06e8d7a0

SHA512
e132462dd5ac0eb36feb2bd92c004056dc164cd96546455d5202da7621436e06a811d94d8c440e71d429acce7dd8d18bcdf6c92aedc251745bda9342af7aa260

Download Submit
\Users\Admin\AppData\Local\Temp\nsyCB5C.tmp\bpfull.exe

Filesize
3KB

MD5
46e07fd3a40760fda18cf6b4fc691742

SHA1
53ee1a754bf5e94fa88a6ab8bb6120b4011afcfa

SHA256
bd7ca609d2fb63e14d08acab1091579c23e298b4fa2ac1e8d2daaff94fc107be

SHA512
ce13f6527cbd13002dca00b71ab38ab12e3f3f7138ada0780ad3f40e7c49946c018a00782ec957b1fd123fb439aabc0d9b3660829dabf10ddcebba08d6e2fbbd

Download Submit
memory/292-37-0x0000000000020000-0x000000000002A000-memory.dmp

Filesize
40KB

Download
memory/292-38-0x0000000000020000-0x000000000002A000-memory.dmp

Filesize
40KB

Download
memory/2544-41-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2544-47-0x00000000008B0000-0x0000000000915000-memory.dmp

Filesize
404KB

Download
memory/2600-39-0x0000000002CB0000-0x0000000002D15000-memory.dmp

Filesize
404KB

Download
memory/2600-36-0x0000000002CB0000-0x0000000002D15000-memory.dmp

Filesize
404KB

Download
memory/2600-18-0x0000000002230000-0x000000000223A000-memory.dmp

Filesize
40KB

Download
memory/2796-73-0x0000000000400000-0x0000000000449000-memory.dmp

Filesize
292KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads