cycbot | 33cbccc8c9a5c4502f1e004e8c13d0a79b83fcf6c37de84b9fbf71167022dfa8

Reason

Machine shutdown

General

Target

ec38a92b581c0706e81871d93f5fa4c2_JaffaCakes118.exe
Size

377KB
MD5

ec38a92b581c0706e81871d93f5fa4c2
SHA1

92a58d195f4d1c22588bb532437faf654c93e18e
SHA256

33cbccc8c9a5c4502f1e004e8c13d0a79b83fcf6c37de84b9fbf71167022dfa8
SHA512

ba28ee1f9693373e120a4785ca00c737119f9405c590c01e3e0b0eb01e5586230c7d0e7d3837801341bac99a1ab6232fedbed5f21d2df3a4956cbe4490302c28
SSDEEP

6144:2bNj4uD+tJgVK5xr+tb9lYpKwC8tBHrOfVMpmuiNmDg3xVPmgXPBmEiMWg2c0IN:QRAJgRflYNC8tkfVMpWz3xsS2QN

Score

10^/10

cycbot backdoor bootkit discovery persistence rat 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
behavioral2/memory/1552-55-0x0000000000400000-0x0000000000449000-memory.dmp	family_cycbot

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	ec38a92b581c0706e81871d93f5fa4c2_JaffaCakes118.exe

Executes dropped EXE 5 IoCs

pid	Process
1876	Keygen.exe
2308	2 Gansta.exe
4132	3IC.exe
4396	R2R.exe
1552	R2R.exe

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 5 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000a000000023b72-7.dat	upx
behavioral2/memory/1876-10-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000a000000023b73-15.dat	upx
behavioral2/memory/2308-21-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/memory/1552-55-0x0000000000400000-0x0000000000449000-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 5 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	ec38a92b581c0706e81871d93f5fa4c2_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Keygen.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	4132	3IC.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2012 wrote to memory of 1876	2012	ec38a92b581c0706e81871d93f5fa4c2_JaffaCakes118.exe	83
PID 2012 wrote to memory of 1876	2012	ec38a92b581c0706e81871d93f5fa4c2_JaffaCakes118.exe	83
PID 2012 wrote to memory of 1876	2012	ec38a92b581c0706e81871d93f5fa4c2_JaffaCakes118.exe	83
PID 2012 wrote to memory of 2308	2012	ec38a92b581c0706e81871d93f5fa4c2_JaffaCakes118.exe	84
PID 2012 wrote to memory of 2308	2012	ec38a92b581c0706e81871d93f5fa4c2_JaffaCakes118.exe	84
PID 2012 wrote to memory of 2308	2012	ec38a92b581c0706e81871d93f5fa4c2_JaffaCakes118.exe	84
PID 2012 wrote to memory of 4132	2012	ec38a92b581c0706e81871d93f5fa4c2_JaffaCakes118.exe	85
PID 2012 wrote to memory of 4132	2012	ec38a92b581c0706e81871d93f5fa4c2_JaffaCakes118.exe	85
PID 2012 wrote to memory of 4132	2012	ec38a92b581c0706e81871d93f5fa4c2_JaffaCakes118.exe	85
PID 2012 wrote to memory of 4396	2012	ec38a92b581c0706e81871d93f5fa4c2_JaffaCakes118.exe	86
PID 2012 wrote to memory of 4396	2012	ec38a92b581c0706e81871d93f5fa4c2_JaffaCakes118.exe	86
PID 2012 wrote to memory of 4396	2012	ec38a92b581c0706e81871d93f5fa4c2_JaffaCakes118.exe	86
PID 4396 wrote to memory of 1552	4396	R2R.exe	87
PID 4396 wrote to memory of 1552	4396	R2R.exe	87
PID 4396 wrote to memory of 1552	4396	R2R.exe	87

C:\Users\Admin\AppData\Local\Temp\ec38a92b581c0706e81871d93f5fa4c2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ec38a92b581c0706e81871d93f5fa4c2_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2012
- C:\Users\Admin\AppData\Local\Temp\nsc7F44.tmp\Keygen.exe
  "C:\Users\Admin\AppData\Local\Temp\nsc7F44.tmp\Keygen.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1876
- C:\Users\Admin\AppData\Local\Temp\nsc7F44.tmp\2 Gansta.exe
  "C:\Users\Admin\AppData\Local\Temp\nsc7F44.tmp\2 Gansta.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2308
- C:\Users\Admin\AppData\Local\Temp\nsc7F44.tmp\3IC.exe
  "C:\Users\Admin\AppData\Local\Temp\nsc7F44.tmp\3IC.exe"
  2⤵
  - Executes dropped EXE
  - Writes to the Master Boot Record (MBR)
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4132
- C:\Users\Admin\AppData\Local\Temp\nsc7F44.tmp\R2R.exe
  "C:\Users\Admin\AppData\Local\Temp\nsc7F44.tmp\R2R.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4396
- - C:\Users\Admin\AppData\Local\Temp\nsc7F44.tmp\R2R.exe
    C:\Users\Admin\AppData\Local\Temp\nsc7F44.tmp\R2R.exe startC:\Users\Admin\AppData\Roaming\conhost.exe%C:\Users\Admin\AppData\Roaming
    3⤵
    - Executes dropped EXE
    PID:1552

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

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\nsc7F44.tmp\2 Gansta.exe

Filesize
6KB

MD5
bee76c79e2e63e198038e01f0d571038

SHA1
fcffdd6bb030f516a46e9d303ebae2ab33af222e

SHA256
50a3c7134460bfe5f2840bd8dc957edfaa76da5beaaff70f8da5e0fef80ae876

SHA512
dd2e9488ad365c02722e1a2466acffb8beaf4dbb68d7093e01c50cd915418ca0642cb6bdd43f2f2b014455803f3c69dec24ca9dfee11bdf7790379181cd2f6f9

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsc7F44.tmp\3IC.exe

Filesize
220KB

MD5
f8988c24eb93773d7ce7b27b0c0ac727

SHA1
c88f2424865a87f70b4e3c64aa7f34ed8fb2e9d1

SHA256
6ea685865dfc1d676ea4353283de72d61dfb927d548954285b4cf8a0f0cb6f4b

SHA512
b5055fc72b7f83f674ffd1ff84e0ee39a040491a9c578cc678ee30666a06b719a1869ba5e4e0330734e0f68063c865274d6b1a2b5cc4d65547d3f99e4b136fcd

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsc7F44.tmp\Keygen.exe

Filesize
9KB

MD5
65d2f6f41b1c9d41f9468dbb7fe271e4

SHA1
57f5519a9cfaa3b3f57b5fed30ca55640c69e9d8

SHA256
d0942480dc91cc82e6b95d69cafa0e6d541ca082f22a3cab69b1c0f6686a2fe6

SHA512
21000b63ee2ed7fcf85b090c6c48dcb0a7c8e63e70ce47dcdee07cb8b59ce808c1e207dc544bb37888872e731fd36e312d7f06dccdcee7bf1577acc1c3e11b2f

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsc7F44.tmp\R2R.exe

Filesize
170KB

MD5
db5499ebbfe3df8ef3f407422fab6f68

SHA1
9fc65b5092099782b80280e6cdaf109a89a16cfe

SHA256
f7644bab8ce7f0927f045c6c0ff84cbe45eb471d071c0eada673e9af06e8d7a0

SHA512
e132462dd5ac0eb36feb2bd92c004056dc164cd96546455d5202da7621436e06a811d94d8c440e71d429acce7dd8d18bcdf6c92aedc251745bda9342af7aa260

Download Submit
memory/1552-55-0x0000000000400000-0x0000000000449000-memory.dmp

Filesize
292KB

Download
memory/1876-10-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2308-21-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4132-36-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/4132-43-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/4132-42-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/4132-41-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download
memory/4132-35-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/4132-27-0x0000000000400000-0x0000000000464000-memory.dmp

Filesize
400KB

Download

Analysis

Sharing

Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads