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

Executes dropped EXE 2 IoCs

pid	Process
2888	kacgcghu.pif
2776	RegSvcs.exe

Loads dropped DLL 5 IoCs

pid	Process
1620	d77fbdbf0671f94e5ad52d776d1d00d9_JaffaCakes118.exe
1620	d77fbdbf0671f94e5ad52d776d1d00d9_JaffaCakes118.exe
1620	d77fbdbf0671f94e5ad52d776d1d00d9_JaffaCakes118.exe
1620	d77fbdbf0671f94e5ad52d776d1d00d9_JaffaCakes118.exe
2888	kacgcghu.pif

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\WindowsUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\37835067\\kacgcghu.pif C:\\Users\\Admin\\AppData\\Roaming\\37835067\\ltakoxpk.msc"	kacgcghu.pif
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\ISS Host = "C:\\Program Files (x86)\\ISS Host\\isshost.exe"	RegSvcs.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	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2888 set thread context of 2776	2888	kacgcghu.pif	31

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\ISS Host\isshost.exe	RegSvcs.exe
File opened for modification	C:\Program Files (x86)\ISS Host\isshost.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	schtasks.exe
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

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
2680	schtasks.exe
1424	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
2776	RegSvcs.exe
2776	RegSvcs.exe
2776	RegSvcs.exe
2776	RegSvcs.exe
2776	RegSvcs.exe
2776	RegSvcs.exe
2776	RegSvcs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2776	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2776	RegSvcs.exe
Token: SeDebugPrivilege	2776	RegSvcs.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 1620 wrote to memory of 2888	1620	d77fbdbf0671f94e5ad52d776d1d00d9_JaffaCakes118.exe	30
PID 1620 wrote to memory of 2888	1620	d77fbdbf0671f94e5ad52d776d1d00d9_JaffaCakes118.exe	30
PID 1620 wrote to memory of 2888	1620	d77fbdbf0671f94e5ad52d776d1d00d9_JaffaCakes118.exe	30
PID 1620 wrote to memory of 2888	1620	d77fbdbf0671f94e5ad52d776d1d00d9_JaffaCakes118.exe	30
PID 1620 wrote to memory of 2888	1620	d77fbdbf0671f94e5ad52d776d1d00d9_JaffaCakes118.exe	30
PID 1620 wrote to memory of 2888	1620	d77fbdbf0671f94e5ad52d776d1d00d9_JaffaCakes118.exe	30
PID 1620 wrote to memory of 2888	1620	d77fbdbf0671f94e5ad52d776d1d00d9_JaffaCakes118.exe	30
PID 2888 wrote to memory of 2776	2888	kacgcghu.pif	31
PID 2888 wrote to memory of 2776	2888	kacgcghu.pif	31
PID 2888 wrote to memory of 2776	2888	kacgcghu.pif	31
PID 2888 wrote to memory of 2776	2888	kacgcghu.pif	31
PID 2888 wrote to memory of 2776	2888	kacgcghu.pif	31
PID 2888 wrote to memory of 2776	2888	kacgcghu.pif	31
PID 2888 wrote to memory of 2776	2888	kacgcghu.pif	31
PID 2888 wrote to memory of 2776	2888	kacgcghu.pif	31
PID 2888 wrote to memory of 2776	2888	kacgcghu.pif	31
PID 2776 wrote to memory of 2680	2776	RegSvcs.exe	32
PID 2776 wrote to memory of 2680	2776	RegSvcs.exe	32
PID 2776 wrote to memory of 2680	2776	RegSvcs.exe	32
PID 2776 wrote to memory of 2680	2776	RegSvcs.exe	32
PID 2776 wrote to memory of 1424	2776	RegSvcs.exe	34
PID 2776 wrote to memory of 1424	2776	RegSvcs.exe	34
PID 2776 wrote to memory of 1424	2776	RegSvcs.exe	34
PID 2776 wrote to memory of 1424	2776	RegSvcs.exe	34

C:\Users\Admin\AppData\Local\Temp\d77fbdbf0671f94e5ad52d776d1d00d9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d77fbdbf0671f94e5ad52d776d1d00d9_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1620
- C:\Users\Admin\AppData\Roaming\37835067\kacgcghu.pif
  "C:\Users\Admin\AppData\Roaming\37835067\kacgcghu.pif" ltakoxpk.msc
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2888
- - 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:2776
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "ISS Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmpC4A6.tmp"
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:2680
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "ISS Host Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpC591.tmp"
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:1424

Network

DNS

isaaconyejekwe.ddns.net

RegSvcs.exe

Remote address:

8.8.8.8:53

Request

isaaconyejekwe.ddns.net

IN A

Response

185.19.85.170:57356

RegSvcs.exe

152 B
3
185.19.85.170:57356

RegSvcs.exe

152 B
3
185.19.85.170:57356

RegSvcs.exe

152 B
3
185.19.85.170:57356

RegSvcs.exe

152 B
3
185.19.85.170:57356

RegSvcs.exe

152 B
3
185.19.85.170:57356

RegSvcs.exe

152 B
3
185.19.85.170:57356

RegSvcs.exe

152 B
3

8.8.8.8:53

isaaconyejekwe.ddns.net

dns

RegSvcs.exe

69 B
129 B
1
1

DNS Request

isaaconyejekwe.ddns.net

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

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmpC4A6.tmp

Filesize
1KB

MD5
95aceabc58acad5d73372b0966ee1b35

SHA1
2293b7ad4793cf574b1a5220e85f329b5601040a

SHA256
8d9642e1c3cd1e0b5d1763de2fb5e605ba593e5a918b93eec15acbc5dcc48fd4

SHA512
00760dfc9d8caf357f0cee5336e5448a4cca18e32cc63e1a69c16e34fe00ea29acd5b2cf278e86c6f9c3e66a1b176d27ed927361848212e6bf1fade7d3d06e74

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpC591.tmp

Filesize
1KB

MD5
3d1580c0395f6de62659467f5b7f1acf

SHA1
8e73a3885896cecca7ff799a272fc9ddfe06ea96

SHA256
6f40196c42a171f24a3e16edeca664cdc5a2f7c150d468255b0e14ab10a2b714

SHA512
7637c0d9b03227dffcb00a68d97ddce60bfc40ca0f8a7a4bbd700ea56be6d570908511dea5cab9f609a7da2e558e5298c482fd1e330af085f9c52867d5a847ea

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

Filesize
471KB

MD5
db0ac5d457c297f00a170930625d6a53

SHA1
4d925521752fa5169124c17bd1f41dafa70759fc

SHA256
7d670f1d45bb12b2448c6f8a73bcdc133d88a469835f915043650db4ddb65a96

SHA512
24fc88925dc64ac54fbb1d1a6846a36b828dbdc8ebd744c548ff4daf4173aab03775b1ea06a58e1fabafb4732f8d0f7694c4aaa1ea2c7ce2e1be5a67f80c66c8

Download Submit
\Users\Admin\AppData\Local\Temp\RegSvcs.exe

Filesize
44KB

MD5
0e06054beb13192588e745ee63a84173

SHA1
30b7d4d1277bafd04a83779fd566a1f834a8d113

SHA256
c5d6d56ded55fbd6c150ee3a0eb2e5671cae83106be2be4d70ce50aa50bab768

SHA512
251a112f3f037e62ff67a467389e47a56afb344bc942b17efa9bd2970494718b26bbee9adc3ac35f93ee4d2114aa426b6d0ea4bafad294b6c118a15f1977c215

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

Filesize
656KB

MD5
70126c034bfb34421cd4daf64b546f47

SHA1
dcf361386bcf09a36f30477af8571d13bfaff6ac

SHA256
7e1016fbcd8bbffab278b0ca2abe626dd6795f19828a9ee2f7eb1ca260eee622

SHA512
98e76076345a41e749da5aa2867995c68e78a53bd61730e9f2ae2d595f3e38eda40c4ddac78c769d442ef732c78691f429fcad1c2fc91924a999a90927c0ce86

Download Submit
memory/2776-70-0x00000000001D0000-0x0000000000917000-memory.dmp

Filesize
7.3MB

Download
memory/2776-72-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2776-78-0x00000000001D0000-0x000000000020A000-memory.dmp

Filesize
232KB

Download
memory/2776-76-0x00000000001D0000-0x0000000000917000-memory.dmp

Filesize
7.3MB

Download
memory/2776-73-0x00000000001D0000-0x0000000000917000-memory.dmp

Filesize
7.3MB

Download
memory/2776-75-0x00000000001D0000-0x0000000000917000-memory.dmp

Filesize
7.3MB

Download
memory/2776-86-0x0000000001180000-0x000000000118A000-memory.dmp

Filesize
40KB

Download
memory/2776-87-0x0000000001190000-0x000000000119C000-memory.dmp

Filesize
48KB

Download
memory/2776-88-0x00000000011E0000-0x00000000011FE000-memory.dmp

Filesize
120KB

Download
memory/2776-89-0x0000000002780000-0x000000000278A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

DNS Request

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

We care about your privacy.