nanocore | 219d77ffa3b6374e8788c7b3795be98ac16ea69837d37acb4fb6893d168c4314

General

Target

a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe
Size

259KB
MD5

a39580df4cc0d70d1901385fdc538c8d
SHA1

33c4eaff22cbf014b9139b4fabfc273fa66a22c3
SHA256

219d77ffa3b6374e8788c7b3795be98ac16ea69837d37acb4fb6893d168c4314
SHA512

fb8d0e25302ac0ba796eb63f25a0c7d68c2833b09169b68ea4a12212239e821e625876467dc067091b6880c64741d391ff145e8041f81122f930277c412699b1
SSDEEP

6144:KEnlCa3yfXYE5spGys0EGjP4tNsQNMMIprxxvX8Zr:TQXMr63ZYz8F

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

194.5.97.182:4455

Mutex

c083bfdc-a7fe-41ca-a43a-87463cec4889

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-07-12T03:01:51.949077736Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
4455
default_group
SALES
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
c083bfdc-a7fe-41ca-a43a-87463cec4889
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
194.5.97.182
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:

a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DHCP Service = "C:\\Program Files (x86)\\DHCP Service\\dhcpsv.exe"	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe

description	pid	process	target process
PID 1664 set thread context of 1876	1664	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe

Drops file in Program Files directory 2 IoCs

Processes:

a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe

description	ioc	process
File created	C:\Program Files (x86)\DHCP Service\dhcpsv.exe	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\DHCP Service\dhcpsv.exe	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe

Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exeschtasks.exe

pid process

4372 schtasks.exe
620 schtasks.exe

pid	process
4372	schtasks.exe
620	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exea39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe

pid	process
1664	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe
1664	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe
1876	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe
1876	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe
1876	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe

pid process

1876 a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe

pid	process
1876	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exea39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe

description	pid	process
Token: SeDebugPrivilege	1664	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe
Token: SeDebugPrivilege	1876	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exea39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe

description	pid	process	target process
PID 1664 wrote to memory of 1876	1664	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe
PID 1664 wrote to memory of 1876	1664	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe
PID 1664 wrote to memory of 1876	1664	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe
PID 1664 wrote to memory of 1876	1664	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe
PID 1664 wrote to memory of 1876	1664	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe
PID 1664 wrote to memory of 1876	1664	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe
PID 1664 wrote to memory of 1876	1664	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe
PID 1664 wrote to memory of 1876	1664	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe
PID 1876 wrote to memory of 4372	1876	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe	schtasks.exe
PID 1876 wrote to memory of 4372	1876	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe	schtasks.exe
PID 1876 wrote to memory of 4372	1876	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe	schtasks.exe
PID 1876 wrote to memory of 620	1876	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe	schtasks.exe
PID 1876 wrote to memory of 620	1876	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe	schtasks.exe
PID 1876 wrote to memory of 620	1876	a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1664

C:\Users\Admin\AppData\Local\Temp\a39580df4cc0d70d1901385fdc538c8d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a39580df4cc0d70d1901385fdc538c8d_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
- Suspicious use of WriteProcessMemory
PID:1876

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DHCP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpB314.tmp"
3⤵
- Creates scheduled task(s)
PID:4372

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DHCP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpB3B1.tmp"
3⤵
- Creates scheduled task(s)
PID:620

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpB314.tmp
Filesize
1KB

MD5
8ddfa82c0c1ccd1744a6a1b161fc4ac2

SHA1
b593a0c4e163013eaf1cd5d048f3da43d7c2e4b9

SHA256
effb93c90b978f5e5d65c154e3dc17c4d71638d236a4ece69ba8edfce4f4ff88

SHA512
1b65f955864225e94ca382cff3a3c33b24144b6b15528254034bab32d4b2a83223e2db3c9af2e16fb4dae91d55ffd3d2f558b8fa2fd6eabf6c87b5e9bc3657a5

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpB3B1.tmp
Filesize
1KB

MD5
a77c223a0fc492dccd6fb9975f7a8766

SHA1
5e813636ae9b8138d78919348a5da3a6e8bd74b5

SHA256
589df7325d42409c50827600fedb240171ee4bdab85916474a37800c2382829e

SHA512
315cea8fde3c594404f5d3c96c710af1214cff6d08ccdb40634a739e108ff810e02624735a2b8c3e3720157b4a55327f317c3c23c3a681b46b9ab0f19060f7c0

Download Submit
memory/1664-1-0x00000000003A0000-0x00000000003E8000-memory.dmp

Filesize
288KB

Download
memory/1664-2-0x0000000005310000-0x00000000058B4000-memory.dmp

Filesize
5.6MB

Download
memory/1664-3-0x0000000004E00000-0x0000000004E92000-memory.dmp

Filesize
584KB

Download
memory/1664-4-0x0000000074EA0000-0x0000000075650000-memory.dmp

Filesize
7.7MB

Download
memory/1664-5-0x0000000004DC0000-0x0000000004DCA000-memory.dmp

Filesize
40KB

Download
memory/1664-6-0x00000000051A0000-0x00000000051AA000-memory.dmp

Filesize
40KB

Download
memory/1664-7-0x0000000006100000-0x000000000610A000-memory.dmp

Filesize
40KB

Download
memory/1664-23-0x0000000074EA0000-0x0000000075650000-memory.dmp

Filesize
7.7MB

Download
memory/1664-0-0x0000000074EAE000-0x0000000074EAF000-memory.dmp

Filesize
4KB

Download
memory/1664-11-0x0000000074EAE000-0x0000000074EAF000-memory.dmp

Filesize
4KB

Download
memory/1876-10-0x0000000005560000-0x00000000055FC000-memory.dmp

Filesize
624KB

Download
memory/1876-12-0x0000000074EA0000-0x0000000075650000-memory.dmp

Filesize
7.7MB

Download
memory/1876-9-0x0000000074EA0000-0x0000000075650000-memory.dmp

Filesize
7.7MB

Download
memory/1876-20-0x0000000005720000-0x000000000572A000-memory.dmp

Filesize
40KB

Download
memory/1876-21-0x0000000005730000-0x000000000574E000-memory.dmp

Filesize
120KB

Download
memory/1876-22-0x00000000066F0000-0x00000000066FA000-memory.dmp

Filesize
40KB

Download
memory/1876-8-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1876-24-0x0000000074EA0000-0x0000000075650000-memory.dmp

Filesize
7.7MB

Download
memory/1876-25-0x0000000074EA0000-0x0000000075650000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads