nanocore | 27492b16d5ebd840a5817cba253171f6c0a948a5307797bf3bb8be445358bf41

General

Target

3733be6cdc770fc32f518a5d95ef1b07_JaffaCakes118.exe
Size

347KB
MD5

3733be6cdc770fc32f518a5d95ef1b07
SHA1

0411313b107eacf0b5bfdaaaba53effb31595d1a
SHA256

27492b16d5ebd840a5817cba253171f6c0a948a5307797bf3bb8be445358bf41
SHA512

d840eacca358cc5c78d7d1f61b5479ab416a137ef060b37e52210a0fde112e6b0c0efa20b18079c89aa8d0089773ac53643cca38a9b0f4dcb5e48bbfc0b611ed
SSDEEP

6144:fcE7KjPp3yELFncVnoCUsAKk6EVdJ3mwvSORfuajcpZuMFjpwGT3AawZE:u1ppeoDoEI9Cj+pXwGT3AawZ

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

31.220.7.204:1626

Mutex

907487f9-556a-489f-9f70-b8462086f0d7

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2018-09-10T07:36:15.786172136Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
false
clear_zone_identifier
false
connect_delay
4000
connection_port
1626
default_group
Default
enable_debug_mode
true
gc_threshold
1.048576e+07
keep_alive_timeout
30000
keyboard_logging
false
lan_timeout
2500
max_packet_size
1.048576e+07
mutex
907487f9-556a-489f-9f70-b8462086f0d7
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
31.220.7.204
primary_dns_server
8.8.8.8
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
false
set_critical_process
true
timeout_interval
5000
use_custom_dns_server
false
version
1.2.2.0
wan_timeout
8000

Signatures

NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

3733be6cdc770fc32f518a5d95ef1b07_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\DOS Manager = "C:\\Program Files (x86)\\DOS Manager\\dosmgr.exe"	3733be6cdc770fc32f518a5d95ef1b07_JaffaCakes118.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

3733be6cdc770fc32f518a5d95ef1b07_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	3733be6cdc770fc32f518a5d95ef1b07_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

3733be6cdc770fc32f518a5d95ef1b07_JaffaCakes118.exe

description	pid	process	target process
PID 2348 set thread context of 2556	2348	3733be6cdc770fc32f518a5d95ef1b07_JaffaCakes118.exe	3733be6cdc770fc32f518a5d95ef1b07_JaffaCakes118.exe

Drops file in Program Files directory 2 IoCs

Processes:

3733be6cdc770fc32f518a5d95ef1b07_JaffaCakes118.exe

description	ioc	process
File created	C:\Program Files (x86)\DOS Manager\dosmgr.exe	3733be6cdc770fc32f518a5d95ef1b07_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\DOS Manager\dosmgr.exe	3733be6cdc770fc32f518a5d95ef1b07_JaffaCakes118.exe

Drops file in Windows directory 1 IoCs

Processes:

3733be6cdc770fc32f518a5d95ef1b07_JaffaCakes118.exe

description ioc process

File opened for modification C:\Windows\debug\WIA\lPGkvwOBosK.exe 3733be6cdc770fc32f518a5d95ef1b07_JaffaCakes118.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

2180 schtasks.exe

description	ioc	process
File opened for modification	C:\Windows\debug\WIA\lPGkvwOBosK.exe	3733be6cdc770fc32f518a5d95ef1b07_JaffaCakes118.exe

pid	process
2180	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

3733be6cdc770fc32f518a5d95ef1b07_JaffaCakes118.exe3733be6cdc770fc32f518a5d95ef1b07_JaffaCakes118.exe

pid	process
2348	3733be6cdc770fc32f518a5d95ef1b07_JaffaCakes118.exe
2556	3733be6cdc770fc32f518a5d95ef1b07_JaffaCakes118.exe
2556	3733be6cdc770fc32f518a5d95ef1b07_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

3733be6cdc770fc32f518a5d95ef1b07_JaffaCakes118.exe

pid process

2556 3733be6cdc770fc32f518a5d95ef1b07_JaffaCakes118.exe

pid	process
2556	3733be6cdc770fc32f518a5d95ef1b07_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

3733be6cdc770fc32f518a5d95ef1b07_JaffaCakes118.exe3733be6cdc770fc32f518a5d95ef1b07_JaffaCakes118.exe

description	pid	process
Token: SeDebugPrivilege	2348	3733be6cdc770fc32f518a5d95ef1b07_JaffaCakes118.exe
Token: SeDebugPrivilege	2556	3733be6cdc770fc32f518a5d95ef1b07_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

3733be6cdc770fc32f518a5d95ef1b07_JaffaCakes118.exe

description	pid	process	target process
PID 2348 wrote to memory of 2180	2348	3733be6cdc770fc32f518a5d95ef1b07_JaffaCakes118.exe	schtasks.exe
PID 2348 wrote to memory of 2180	2348	3733be6cdc770fc32f518a5d95ef1b07_JaffaCakes118.exe	schtasks.exe
PID 2348 wrote to memory of 2180	2348	3733be6cdc770fc32f518a5d95ef1b07_JaffaCakes118.exe	schtasks.exe
PID 2348 wrote to memory of 2180	2348	3733be6cdc770fc32f518a5d95ef1b07_JaffaCakes118.exe	schtasks.exe
PID 2348 wrote to memory of 2556	2348	3733be6cdc770fc32f518a5d95ef1b07_JaffaCakes118.exe	3733be6cdc770fc32f518a5d95ef1b07_JaffaCakes118.exe
PID 2348 wrote to memory of 2556	2348	3733be6cdc770fc32f518a5d95ef1b07_JaffaCakes118.exe	3733be6cdc770fc32f518a5d95ef1b07_JaffaCakes118.exe
PID 2348 wrote to memory of 2556	2348	3733be6cdc770fc32f518a5d95ef1b07_JaffaCakes118.exe	3733be6cdc770fc32f518a5d95ef1b07_JaffaCakes118.exe
PID 2348 wrote to memory of 2556	2348	3733be6cdc770fc32f518a5d95ef1b07_JaffaCakes118.exe	3733be6cdc770fc32f518a5d95ef1b07_JaffaCakes118.exe
PID 2348 wrote to memory of 2556	2348	3733be6cdc770fc32f518a5d95ef1b07_JaffaCakes118.exe	3733be6cdc770fc32f518a5d95ef1b07_JaffaCakes118.exe
PID 2348 wrote to memory of 2556	2348	3733be6cdc770fc32f518a5d95ef1b07_JaffaCakes118.exe	3733be6cdc770fc32f518a5d95ef1b07_JaffaCakes118.exe
PID 2348 wrote to memory of 2556	2348	3733be6cdc770fc32f518a5d95ef1b07_JaffaCakes118.exe	3733be6cdc770fc32f518a5d95ef1b07_JaffaCakes118.exe
PID 2348 wrote to memory of 2556	2348	3733be6cdc770fc32f518a5d95ef1b07_JaffaCakes118.exe	3733be6cdc770fc32f518a5d95ef1b07_JaffaCakes118.exe
PID 2348 wrote to memory of 2556	2348	3733be6cdc770fc32f518a5d95ef1b07_JaffaCakes118.exe	3733be6cdc770fc32f518a5d95ef1b07_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\3733be6cdc770fc32f518a5d95ef1b07_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3733be6cdc770fc32f518a5d95ef1b07_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2348

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lPGkvwOBosK" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB76D.tmp"
2⤵
- Creates scheduled task(s)
PID:2180

C:\Users\Admin\AppData\Local\Temp\3733be6cdc770fc32f518a5d95ef1b07_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3733be6cdc770fc32f518a5d95ef1b07_JaffaCakes118.exe"
2⤵
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:2556

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpB76D.tmp
Filesize
1KB

MD5
1e095bd434fc44d0735ea9a1b701dd85

SHA1
6db2d9ec1f8181af4151b2cc99dd47e1aefcd533

SHA256
2e6efc96da078f6b307df839d4b74d75cac66afe618c032da6c1d0f1b75628d2

SHA512
6b25b667ceda247fc8c69378e94770fa03bbbd970f36d5b6f41b25bb76c8b5e882f3b10e6122f370b22ddb4c78c5c0eb8e56e2e9f1e63f05fcc34345f253622a

Download Submit
memory/2348-0-0x00000000740F1000-0x00000000740F2000-memory.dmp

Filesize
4KB

Download
memory/2348-1-0x00000000740F0000-0x000000007469B000-memory.dmp

Filesize
5.7MB

Download
memory/2348-2-0x00000000740F0000-0x000000007469B000-memory.dmp

Filesize
5.7MB

Download
memory/2348-3-0x00000000740F0000-0x000000007469B000-memory.dmp

Filesize
5.7MB

Download
memory/2348-4-0x00000000740F0000-0x000000007469B000-memory.dmp

Filesize
5.7MB

Download
memory/2348-24-0x00000000740F0000-0x000000007469B000-memory.dmp

Filesize
5.7MB

Download
memory/2556-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2556-21-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2556-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2556-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2556-22-0x00000000740F0000-0x000000007469B000-memory.dmp

Filesize
5.7MB

Download
memory/2556-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2556-7-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2556-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2556-9-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2556-26-0x00000000740F0000-0x000000007469B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads