nanocore | 31b81e10da44679b19e89edcdfa6a1f4f91bb7ceac331c37298507bcb303cda2

General

Target

a033fbf94b6bcb55520c3d6b3681d6f9_JaffaCakes118.exe
Size

717KB
MD5

a033fbf94b6bcb55520c3d6b3681d6f9
SHA1

ecdc10f6ed2ed1509a6b9d6b7b705cdcc54bf11e
SHA256

31b81e10da44679b19e89edcdfa6a1f4f91bb7ceac331c37298507bcb303cda2
SHA512

f9f2d8c72b750e2e2cad1d54390ce7f39644ee7eb8291f1cf639520bbf6a547c1d8d82502e634d05aa842b0e11efb547dabce4851d53ce92d7e238d1568f125d
SSDEEP

12288:pZi970Rq1W9wp0b84G0+PR2IewZhwjCgAB7Ax6qdtTUKA7jAWFjW:pZNNb85MIbGjCgAxA12KYAOW

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

cloudhost.myfirewall.org:5654

Mutex

30652740-3065-48db-9295-09b5159bd58b

Attributes

activate_away_mode
true
backup_connection_host
cloudhost.myfirewall.org
backup_dns_server
cloudhost.myfirewall.org
buffer_size
65535
build_time
2020-11-14T17:50:54.483508836Z
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
5654
default_group
OUTSIDE
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
30652740-3065-48db-9295-09b5159bd58b
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
cloudhost.myfirewall.org
primary_dns_server
cloudhost.myfirewall.org
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

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DNS Monitor = "C:\\Program Files (x86)\\DNS Monitor\\dnsmon.exe"	a033fbf94b6bcb55520c3d6b3681d6f9_JaffaCakes118.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	a033fbf94b6bcb55520c3d6b3681d6f9_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1608 set thread context of 3348	1608	a033fbf94b6bcb55520c3d6b3681d6f9_JaffaCakes118.exe	97

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\DNS Monitor\dnsmon.exe	a033fbf94b6bcb55520c3d6b3681d6f9_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\DNS Monitor\dnsmon.exe	a033fbf94b6bcb55520c3d6b3681d6f9_JaffaCakes118.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a033fbf94b6bcb55520c3d6b3681d6f9_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a033fbf94b6bcb55520c3d6b3681d6f9_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
1652	schtasks.exe
1208	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
3348	a033fbf94b6bcb55520c3d6b3681d6f9_JaffaCakes118.exe
3348	a033fbf94b6bcb55520c3d6b3681d6f9_JaffaCakes118.exe
3348	a033fbf94b6bcb55520c3d6b3681d6f9_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3348	a033fbf94b6bcb55520c3d6b3681d6f9_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3348	a033fbf94b6bcb55520c3d6b3681d6f9_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1608 wrote to memory of 3348	1608	a033fbf94b6bcb55520c3d6b3681d6f9_JaffaCakes118.exe	97
PID 1608 wrote to memory of 3348	1608	a033fbf94b6bcb55520c3d6b3681d6f9_JaffaCakes118.exe	97
PID 1608 wrote to memory of 3348	1608	a033fbf94b6bcb55520c3d6b3681d6f9_JaffaCakes118.exe	97
PID 1608 wrote to memory of 3348	1608	a033fbf94b6bcb55520c3d6b3681d6f9_JaffaCakes118.exe	97
PID 1608 wrote to memory of 3348	1608	a033fbf94b6bcb55520c3d6b3681d6f9_JaffaCakes118.exe	97
PID 1608 wrote to memory of 3348	1608	a033fbf94b6bcb55520c3d6b3681d6f9_JaffaCakes118.exe	97
PID 1608 wrote to memory of 3348	1608	a033fbf94b6bcb55520c3d6b3681d6f9_JaffaCakes118.exe	97
PID 1608 wrote to memory of 3348	1608	a033fbf94b6bcb55520c3d6b3681d6f9_JaffaCakes118.exe	97
PID 3348 wrote to memory of 1208	3348	a033fbf94b6bcb55520c3d6b3681d6f9_JaffaCakes118.exe	98
PID 3348 wrote to memory of 1208	3348	a033fbf94b6bcb55520c3d6b3681d6f9_JaffaCakes118.exe	98
PID 3348 wrote to memory of 1208	3348	a033fbf94b6bcb55520c3d6b3681d6f9_JaffaCakes118.exe	98
PID 3348 wrote to memory of 1652	3348	a033fbf94b6bcb55520c3d6b3681d6f9_JaffaCakes118.exe	100
PID 3348 wrote to memory of 1652	3348	a033fbf94b6bcb55520c3d6b3681d6f9_JaffaCakes118.exe	100
PID 3348 wrote to memory of 1652	3348	a033fbf94b6bcb55520c3d6b3681d6f9_JaffaCakes118.exe	100

C:\Users\Admin\AppData\Local\Temp\a033fbf94b6bcb55520c3d6b3681d6f9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a033fbf94b6bcb55520c3d6b3681d6f9_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1608
- C:\Users\Admin\AppData\Local\Temp\a033fbf94b6bcb55520c3d6b3681d6f9_JaffaCakes118.exe
  "{path}"
  2⤵
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3348
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "DNS Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmp3F94.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1208
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "DNS Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp3FE3.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1652

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

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\Microsoft\CLR_v2.0_32\UsageLogs\a033fbf94b6bcb55520c3d6b3681d6f9_JaffaCakes118.exe.log

Filesize
496B

MD5
63f1e06722ac68818d178a5f31223361

SHA1
5277a57b1eefc420257956ace54a3792443be6ac

SHA256
30171a07044d823e8129df3a3ce52f22493b27fe15468593dd461f41d10fac63

SHA512
3ff602b636a0b537a872e141b1e5a31cfece8fba454c5279c68a90ab9940625b63768af4b9cd185da6b8505e457839b7432416d62c85d2136ddd14a27e3c6fc5

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp3F94.tmp

Filesize
1KB

MD5
1aa77697ec2013cdfb54ab769bc092b0

SHA1
9b6d693cb77da291042fad212900f79a9793f952

SHA256
7cc42504b0adb65fab0b1017c68620c75de28ba6781309f608808833f3ac5003

SHA512
e631a1c072d558a94ee20380c5e84a5c74128d18a5d79eb967fc086bc656664b6132ca7e29724598e9b61656b514c0bdcdba04bb53f503f67b649a3975fcf9d4

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp3FE3.tmp

Filesize
1KB

MD5
7620b805f7bc12c79e126656c858d0e0

SHA1
89f09b8b4ef1fc421ddf5ed0cbbe012fab7fd666

SHA256
4d6ea014d135bdc4a5fd4281ce705672561b0279deab4302e06cbfe95e1080a6

SHA512
b02ac735c98b20020251a23ffa1b0308ad3a1c99593a15a8020d742472b0d5c36caa31c6ca2372e88cfd3b6792206ea7920162c2a33c83da24f0098c0513f562

Download Submit
memory/1608-4-0x0000000074FA0000-0x0000000075551000-memory.dmp

Filesize
5.7MB

Download
memory/1608-0-0x0000000074FA2000-0x0000000074FA3000-memory.dmp

Filesize
4KB

Download
memory/1608-3-0x0000000074FA2000-0x0000000074FA3000-memory.dmp

Filesize
4KB

Download
memory/1608-8-0x0000000074FA0000-0x0000000075551000-memory.dmp

Filesize
5.7MB

Download
memory/1608-2-0x0000000074FA0000-0x0000000075551000-memory.dmp

Filesize
5.7MB

Download
memory/1608-1-0x0000000074FA0000-0x0000000075551000-memory.dmp

Filesize
5.7MB

Download
memory/3348-5-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/3348-9-0x0000000074FA0000-0x0000000075551000-memory.dmp

Filesize
5.7MB

Download
memory/3348-10-0x0000000074FA0000-0x0000000075551000-memory.dmp

Filesize
5.7MB

Download
memory/3348-11-0x0000000074FA0000-0x0000000075551000-memory.dmp

Filesize
5.7MB

Download
memory/3348-19-0x0000000074FA0000-0x0000000075551000-memory.dmp

Filesize
5.7MB

Download
memory/3348-20-0x0000000074FA0000-0x0000000075551000-memory.dmp

Filesize
5.7MB

Download
memory/3348-21-0x0000000074FA0000-0x0000000075551000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads