nanocore | 7e158c236c832517eafeb325d90e3c1432b3d720866b29e034392e6790f1f8b1

General

Target

977b2af6136fab257bb0012dc0b52221_JaffaCakes118.exe
Size

1.4MB
MD5

977b2af6136fab257bb0012dc0b52221
SHA1

407cf74bb60ea6f7a920eb0af58c39d39db69c51
SHA256

7e158c236c832517eafeb325d90e3c1432b3d720866b29e034392e6790f1f8b1
SHA512

cf08981dc5464e8eafd3132bdc5abf6d4743195ffbbeb7f03e76298b5a9220a803141f05d19fc8032cf24deaa23e0ec724c62113bb4bb123ad6cbf626d392071
SSDEEP

24576:DmrN5KPbaxeP5u8OY3yVCV3Kar+zSkT1ybr9gSKci8BFzzynjrl+Q7jX/ViBiikV:Dmr6m+Z3/wUraS9B4nHlL4khTh

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

qazwsx12.ddns.net:1000

78.130.176.188:1000

Mutex

83c7c1e5-a796-4519-b475-0ff1bf0d3cd9

Attributes

activate_away_mode
true
backup_connection_host
78.130.176.188
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2017-09-08T04:26:20.489830936Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
1000
default_group
Redoooo
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
83c7c1e5-a796-4519-b475-0ff1bf0d3cd9
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
qazwsx12.ddns.net
primary_dns_server
8.8.8.8
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
true
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:

977b2af6136fab257bb0012dc0b52221_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VKJVNTdy\ = "C:\\VKJVNTdy\\ShSozZrB.exe"	977b2af6136fab257bb0012dc0b52221_JaffaCakes118.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

regasm.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA regasm.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

977b2af6136fab257bb0012dc0b52221_JaffaCakes118.exe

description pid process target process

PID 516 set thread context of 4736 516 977b2af6136fab257bb0012dc0b52221_JaffaCakes118.exe regasm.exe

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

description	pid	process	target process
PID 516 set thread context of 4736	516	977b2af6136fab257bb0012dc0b52221_JaffaCakes118.exe	regasm.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

977b2af6136fab257bb0012dc0b52221_JaffaCakes118.exeregasm.exe

pid	process
516	977b2af6136fab257bb0012dc0b52221_JaffaCakes118.exe
516	977b2af6136fab257bb0012dc0b52221_JaffaCakes118.exe
4736	regasm.exe
4736	regasm.exe
4736	regasm.exe
4736	regasm.exe
4736	regasm.exe
4736	regasm.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

regasm.exe

pid process

4736 regasm.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

regasm.exe

description pid process

Token: SeDebugPrivilege 4736 regasm.exe

pid	process
4736	regasm.exe

description	pid	process
Token: SeDebugPrivilege	4736	regasm.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

977b2af6136fab257bb0012dc0b52221_JaffaCakes118.exe

description	pid	process	target process
PID 516 wrote to memory of 4596	516	977b2af6136fab257bb0012dc0b52221_JaffaCakes118.exe	regasm.exe
PID 516 wrote to memory of 4596	516	977b2af6136fab257bb0012dc0b52221_JaffaCakes118.exe	regasm.exe
PID 516 wrote to memory of 4596	516	977b2af6136fab257bb0012dc0b52221_JaffaCakes118.exe	regasm.exe
PID 516 wrote to memory of 4736	516	977b2af6136fab257bb0012dc0b52221_JaffaCakes118.exe	regasm.exe
PID 516 wrote to memory of 4736	516	977b2af6136fab257bb0012dc0b52221_JaffaCakes118.exe	regasm.exe
PID 516 wrote to memory of 4736	516	977b2af6136fab257bb0012dc0b52221_JaffaCakes118.exe	regasm.exe
PID 516 wrote to memory of 4736	516	977b2af6136fab257bb0012dc0b52221_JaffaCakes118.exe	regasm.exe
PID 516 wrote to memory of 4736	516	977b2af6136fab257bb0012dc0b52221_JaffaCakes118.exe	regasm.exe

C:\Users\Admin\AppData\Local\Temp\977b2af6136fab257bb0012dc0b52221_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\977b2af6136fab257bb0012dc0b52221_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:516

C:\Windows\Microsoft.NET\Framework\v2.0.50727\regasm.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\regasm.exe"
2⤵
PID:4596

C:\Windows\Microsoft.NET\Framework\v2.0.50727\regasm.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\regasm.exe"
2⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:4736

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

memory/516-0-0x0000000002270000-0x0000000002271000-memory.dmp

Filesize
4KB

Download
memory/516-1-0x0000000002500000-0x00000000025F5000-memory.dmp

Filesize
980KB

Download
memory/516-2-0x0000000002FA0000-0x0000000003095000-memory.dmp

Filesize
980KB

Download
memory/516-7-0x0000000002FA0000-0x0000000003095000-memory.dmp

Filesize
980KB

Download
memory/516-6-0x0000000002500000-0x00000000025F5000-memory.dmp

Filesize
980KB

Download
memory/516-5-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

Download
memory/4736-4-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4736-8-0x0000000074892000-0x0000000074893000-memory.dmp

Filesize
4KB

Download
memory/4736-9-0x0000000074890000-0x0000000074E41000-memory.dmp

Filesize
5.7MB

Download
memory/4736-10-0x0000000074890000-0x0000000074E41000-memory.dmp

Filesize
5.7MB

Download
memory/4736-12-0x0000000074892000-0x0000000074893000-memory.dmp

Filesize
4KB

Download
memory/4736-13-0x0000000074890000-0x0000000074E41000-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