nanocore | adf1b43378fd895c6e6bd4e156e20e4b807e3c982a49ff752e4b08c09a60e8db

General

Target

d77fbdbf0671f94e5ad52d776d1d00d9_JaffaCakes118.exe
Size

1.1MB
MD5

d77fbdbf0671f94e5ad52d776d1d00d9
SHA1

6df71401e8af9364f791cda5f59e47e0f6c50eb2
SHA256

adf1b43378fd895c6e6bd4e156e20e4b807e3c982a49ff752e4b08c09a60e8db
SHA512

b25b557432be9664e0ceaa62756453c1e7596833cc822f073a5ca5af2e98259cd689095eaf08c53b25f1eaad7e95cfabc1a3535a627763031b722262a70e0227
SSDEEP

24576:JAOcZypgWTwznE3xOx8EWc9MKxS95b6dunr+qpswD:jYEhOHWc9MKKJ6qrRps4

Score

10^/10

nanocore discovery evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

isaaconyejekwe.ddns.net:57356

185.19.85.170:57356

Mutex

7cb87162-489f-4296-9fd5-4773767fae1e

Attributes

activate_away_mode
false
backup_connection_host
185.19.85.170
backup_dns_server
buffer_size
65538
build_time
2020-06-16T18:23:50.920582536Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
false
clear_zone_identifier
false
connect_delay
4000
connection_port
57356
default_group
JEKWU
enable_debug_mode
true
gc_threshold
1.0485772e+07
keep_alive_timeout
30000
keyboard_logging
false
lan_timeout
2500
max_packet_size
1.0485772e+07
mutex
7cb87162-489f-4296-9fd5-4773767fae1e
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
isaaconyejekwe.ddns.net
primary_dns_server
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
false
set_critical_process
false
timeout_interval
5000
use_custom_dns_server
false
version
1.2.2.0
wan_timeout
8009

Signatures

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

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-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	d77fbdbf0671f94e5ad52d776d1d00d9_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
3880	kacgcghu.pif
4784	RegSvcs.exe

Adds Run key to start application 2 TTPs 3 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\AutoUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\37835067\\Update.vbs"	kacgcghu.pif
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DNS Monitor = "C:\\Program Files (x86)\\DNS Monitor\\dnsmon.exe"	RegSvcs.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WindowsUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\37835067\\kacgcghu.pif C:\\Users\\Admin\\AppData\\Roaming\\37835067\\ltakoxpk.msc"	kacgcghu.pif

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	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3880 set thread context of 4784	3880	kacgcghu.pif	92

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\DNS Monitor\dnsmon.exe	RegSvcs.exe
File opened for modification	C:\Program Files (x86)\DNS Monitor\dnsmon.exe	RegSvcs.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	d77fbdbf0671f94e5ad52d776d1d00d9_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	kacgcghu.pif
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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
4000	schtasks.exe
2168	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
4784	RegSvcs.exe
4784	RegSvcs.exe
4784	RegSvcs.exe
4784	RegSvcs.exe
4784	RegSvcs.exe
4784	RegSvcs.exe
4784	RegSvcs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4784	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4784	RegSvcs.exe
Token: SeDebugPrivilege	4784	RegSvcs.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3880	kacgcghu.pif

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3276 wrote to memory of 3880	3276	d77fbdbf0671f94e5ad52d776d1d00d9_JaffaCakes118.exe	86
PID 3276 wrote to memory of 3880	3276	d77fbdbf0671f94e5ad52d776d1d00d9_JaffaCakes118.exe	86
PID 3276 wrote to memory of 3880	3276	d77fbdbf0671f94e5ad52d776d1d00d9_JaffaCakes118.exe	86
PID 3880 wrote to memory of 4784	3880	kacgcghu.pif	92
PID 3880 wrote to memory of 4784	3880	kacgcghu.pif	92
PID 3880 wrote to memory of 4784	3880	kacgcghu.pif	92
PID 3880 wrote to memory of 4784	3880	kacgcghu.pif	92
PID 3880 wrote to memory of 4784	3880	kacgcghu.pif	92
PID 4784 wrote to memory of 4000	4784	RegSvcs.exe	94
PID 4784 wrote to memory of 4000	4784	RegSvcs.exe	94
PID 4784 wrote to memory of 4000	4784	RegSvcs.exe	94
PID 4784 wrote to memory of 2168	4784	RegSvcs.exe	96
PID 4784 wrote to memory of 2168	4784	RegSvcs.exe	96
PID 4784 wrote to memory of 2168	4784	RegSvcs.exe	96

C:\Users\Admin\AppData\Local\Temp\d77fbdbf0671f94e5ad52d776d1d00d9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d77fbdbf0671f94e5ad52d776d1d00d9_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3276
- C:\Users\Admin\AppData\Roaming\37835067\kacgcghu.pif
  "C:\Users\Admin\AppData\Roaming\37835067\kacgcghu.pif" ltakoxpk.msc
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3880
- - C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe
    "C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe"
    3⤵
    - Executes dropped EXE
    - 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:4784
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "DNS Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmp9385.tmp"
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:4000
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "DNS Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp93E4.tmp"
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:2168

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

Query Registry

1

T1012

System Information Discovery

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe

Filesize
44KB

MD5
9d352bc46709f0cb5ec974633a0c3c94

SHA1
1969771b2f022f9a86d77ac4d4d239becdf08d07

SHA256
2c1eeb7097023c784c2bd040a2005a5070ed6f3a4abf13929377a9e39fab1390

SHA512
13c714244ec56beeb202279e4109d59c2a43c3cf29f90a374a751c04fd472b45228ca5a0178f41109ed863dbd34e0879e4a21f5e38ae3d89559c57e6be990a9b

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp9385.tmp

Filesize
1KB

MD5
95aceabc58acad5d73372b0966ee1b35

SHA1
2293b7ad4793cf574b1a5220e85f329b5601040a

SHA256
8d9642e1c3cd1e0b5d1763de2fb5e605ba593e5a918b93eec15acbc5dcc48fd4

SHA512
00760dfc9d8caf357f0cee5336e5448a4cca18e32cc63e1a69c16e34fe00ea29acd5b2cf278e86c6f9c3e66a1b176d27ed927361848212e6bf1fade7d3d06e74

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp93E4.tmp

Filesize
1KB

MD5
7620b805f7bc12c79e126656c858d0e0

SHA1
89f09b8b4ef1fc421ddf5ed0cbbe012fab7fd666

SHA256
4d6ea014d135bdc4a5fd4281ce705672561b0279deab4302e06cbfe95e1080a6

SHA512
b02ac735c98b20020251a23ffa1b0308ad3a1c99593a15a8020d742472b0d5c36caa31c6ca2372e88cfd3b6792206ea7920162c2a33c83da24f0098c0513f562

Download Submit
C:\Users\Admin\AppData\Roaming\37835067\jrntgol.pdf

Filesize
471KB

MD5
db0ac5d457c297f00a170930625d6a53

SHA1
4d925521752fa5169124c17bd1f41dafa70759fc

SHA256
7d670f1d45bb12b2448c6f8a73bcdc133d88a469835f915043650db4ddb65a96

SHA512
24fc88925dc64ac54fbb1d1a6846a36b828dbdc8ebd744c548ff4daf4173aab03775b1ea06a58e1fabafb4732f8d0f7694c4aaa1ea2c7ce2e1be5a67f80c66c8

Download Submit
C:\Users\Admin\AppData\Roaming\37835067\kacgcghu.pif

Filesize
656KB

MD5
70126c034bfb34421cd4daf64b546f47

SHA1
dcf361386bcf09a36f30477af8571d13bfaff6ac

SHA256
7e1016fbcd8bbffab278b0ca2abe626dd6795f19828a9ee2f7eb1ca260eee622

SHA512
98e76076345a41e749da5aa2867995c68e78a53bd61730e9f2ae2d595f3e38eda40c4ddac78c769d442ef732c78691f429fcad1c2fc91924a999a90927c0ce86

Download Submit
memory/4784-66-0x0000000006260000-0x00000000062FC000-memory.dmp

Filesize
624KB

Download
memory/4784-64-0x0000000006770000-0x0000000006D14000-memory.dmp

Filesize
5.6MB

Download
memory/4784-65-0x00000000061C0000-0x0000000006252000-memory.dmp

Filesize
584KB

Download
memory/4784-63-0x00000000013B0000-0x00000000013EA000-memory.dmp

Filesize
232KB

Download
memory/4784-67-0x00000000060F0000-0x00000000060FA000-memory.dmp

Filesize
40KB

Download
memory/4784-62-0x0000000072C5E000-0x0000000072C5F000-memory.dmp

Filesize
4KB

Download
memory/4784-59-0x00000000013B0000-0x0000000001A87000-memory.dmp

Filesize
6.8MB

Download
memory/4784-75-0x0000000006470000-0x000000000647A000-memory.dmp

Filesize
40KB

Download
memory/4784-76-0x0000000006480000-0x000000000648C000-memory.dmp

Filesize
48KB

Download
memory/4784-77-0x00000000071E0000-0x00000000071FE000-memory.dmp

Filesize
120KB

Download
memory/4784-78-0x0000000007230000-0x000000000723A000-memory.dmp

Filesize
40KB

Download
memory/4784-79-0x0000000072C5E000-0x0000000072C5F000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads