nanocore | 15f0aac31d57cff82f66f71e05e8a186752b8d93ff94c0d1e7c88d11f0c0b55a

General

Target

f7e052b5bdc7acba61a7da451888278d_JaffaCakes118.exe
Size

647KB
MD5

f7e052b5bdc7acba61a7da451888278d
SHA1

4ff71d7cc50db04b3530059ffe9fab99dc1456ef
SHA256

15f0aac31d57cff82f66f71e05e8a186752b8d93ff94c0d1e7c88d11f0c0b55a
SHA512

27a766147a5993206a4d6b87d93a6336e0fca62e890592986de7390d364139a8fb1f0dbe8f8de3b6ca8ec06e088162f4f93121ae4a43e4fe35d8fcb9c9ea4585
SSDEEP

12288:o6Mylpi0bEMHfM39CCId4taTeIATGbErTGW8B0vUK:o6MQb7r4taTeDGSO2

Score

10^/10

nanocore discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

abidejeks.hopto.org:8989

127.0.0.1:8989

Mutex

a712fb74-89b9-421b-a1b6-89abc2881b8b

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2019-09-06T20:17:15.313056236Z
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
8989
default_group
Holy Abide
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
a712fb74-89b9-421b-a1b6-89abc2881b8b
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
abidejeks.hopto.org
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

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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	f7e052b5bdc7acba61a7da451888278d_JaffaCakes118.exe

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\WPA Subsystem = "C:\\Program Files (x86)\\WPA Subsystem\\wpass.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2948 set thread context of 4300	2948	f7e052b5bdc7acba61a7da451888278d_JaffaCakes118.exe	94

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\WPA Subsystem\wpass.exe	RegSvcs.exe
File opened for modification	C:\Program Files (x86)\WPA Subsystem\wpass.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	f7e052b5bdc7acba61a7da451888278d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
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 3 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
3928	schtasks.exe
2300	schtasks.exe
1612	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2948	f7e052b5bdc7acba61a7da451888278d_JaffaCakes118.exe
2948	f7e052b5bdc7acba61a7da451888278d_JaffaCakes118.exe
2948	f7e052b5bdc7acba61a7da451888278d_JaffaCakes118.exe
4300	RegSvcs.exe
4300	RegSvcs.exe
4300	RegSvcs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4300	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2948	f7e052b5bdc7acba61a7da451888278d_JaffaCakes118.exe
Token: SeDebugPrivilege	4300	RegSvcs.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2948 wrote to memory of 1612	2948	f7e052b5bdc7acba61a7da451888278d_JaffaCakes118.exe	91
PID 2948 wrote to memory of 1612	2948	f7e052b5bdc7acba61a7da451888278d_JaffaCakes118.exe	91
PID 2948 wrote to memory of 1612	2948	f7e052b5bdc7acba61a7da451888278d_JaffaCakes118.exe	91
PID 2948 wrote to memory of 1960	2948	f7e052b5bdc7acba61a7da451888278d_JaffaCakes118.exe	93
PID 2948 wrote to memory of 1960	2948	f7e052b5bdc7acba61a7da451888278d_JaffaCakes118.exe	93
PID 2948 wrote to memory of 1960	2948	f7e052b5bdc7acba61a7da451888278d_JaffaCakes118.exe	93
PID 2948 wrote to memory of 4300	2948	f7e052b5bdc7acba61a7da451888278d_JaffaCakes118.exe	94
PID 2948 wrote to memory of 4300	2948	f7e052b5bdc7acba61a7da451888278d_JaffaCakes118.exe	94
PID 2948 wrote to memory of 4300	2948	f7e052b5bdc7acba61a7da451888278d_JaffaCakes118.exe	94
PID 2948 wrote to memory of 4300	2948	f7e052b5bdc7acba61a7da451888278d_JaffaCakes118.exe	94
PID 2948 wrote to memory of 4300	2948	f7e052b5bdc7acba61a7da451888278d_JaffaCakes118.exe	94
PID 2948 wrote to memory of 4300	2948	f7e052b5bdc7acba61a7da451888278d_JaffaCakes118.exe	94
PID 2948 wrote to memory of 4300	2948	f7e052b5bdc7acba61a7da451888278d_JaffaCakes118.exe	94
PID 2948 wrote to memory of 4300	2948	f7e052b5bdc7acba61a7da451888278d_JaffaCakes118.exe	94
PID 4300 wrote to memory of 3928	4300	RegSvcs.exe	95
PID 4300 wrote to memory of 3928	4300	RegSvcs.exe	95
PID 4300 wrote to memory of 3928	4300	RegSvcs.exe	95
PID 4300 wrote to memory of 2300	4300	RegSvcs.exe	97
PID 4300 wrote to memory of 2300	4300	RegSvcs.exe	97
PID 4300 wrote to memory of 2300	4300	RegSvcs.exe	97

C:\Users\Admin\AppData\Local\Temp\f7e052b5bdc7acba61a7da451888278d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f7e052b5bdc7acba61a7da451888278d_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2948
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CZcRCYUwFjDWb" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB699.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1612
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
  2⤵
  PID:1960
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
  2⤵
  - Adds Run key to start application
  - 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:4300
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "WPA Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmpBB5C.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3928
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "WPA Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpBBBB.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2300

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

2

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\Temp\tmpB699.tmp

Filesize
1KB

MD5
19018909ab7048c49bc9fce35488f764

SHA1
2a1814ecd3c2985261a7d71176b9a8115d7b7a9e

SHA256
ec1f6bca24a7d74747ae3c5a6bccadc42a799168aee623125023cf3e712e0134

SHA512
8d074cf2aeb8a82e061039719106899355c12ba0a7c611e1733fa1f67fc4d1bf4da930acc7393a31f2c2874248c353fa3c72eff5bc250cabe6ba4214190aad48

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpBB5C.tmp

Filesize
1KB

MD5
40b11ef601fb28f9b2e69d36857bf2ec

SHA1
b6454020ad2ceed193f4792b77001d0bd741b370

SHA256
c51e12d18cc664425f6711d8ae2507068884c7057092cfa11884100e1e9d49e1

SHA512
e3c5bcc714cbfca4b8058ddcddf231dcefa69c15881ce3f8123e59ed45cfb5da052b56e1945dcf8dc7f800d62f9a4eecb82bca69a66a1530787aeffeb15e2bd5

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

Filesize
1KB

MD5
4365cd1ae65923a319ef2683a45891fe

SHA1
85dde233112660e31c53884aedfbad52e4547e09

SHA256
84b6ce4ba26fa6fb57fa70b9ad191f7c42c71e259897955b5d514385bcd91b58

SHA512
d1bd24f504c5c2ecaa3ae98268ccc2e400ea3e16980c6caf394eadf7738225e4d5578fbe62bbe2de3fe0cb56a0d76bb3fc84cef3b9cd2f3d8be6d0becefdc035

Download Submit
memory/2948-4-0x0000000074B10000-0x00000000750C1000-memory.dmp

Filesize
5.7MB

Download
memory/2948-0-0x0000000074B12000-0x0000000074B13000-memory.dmp

Filesize
4KB

Download
memory/2948-3-0x0000000074B12000-0x0000000074B13000-memory.dmp

Filesize
4KB

Download
memory/2948-1-0x0000000074B10000-0x00000000750C1000-memory.dmp

Filesize
5.7MB

Download
memory/2948-12-0x0000000074B10000-0x00000000750C1000-memory.dmp

Filesize
5.7MB

Download
memory/2948-2-0x0000000074B10000-0x00000000750C1000-memory.dmp

Filesize
5.7MB

Download
memory/4300-17-0x0000000074B10000-0x00000000750C1000-memory.dmp

Filesize
5.7MB

Download
memory/4300-14-0x0000000074B10000-0x00000000750C1000-memory.dmp

Filesize
5.7MB

Download
memory/4300-13-0x0000000074B10000-0x00000000750C1000-memory.dmp

Filesize
5.7MB

Download
memory/4300-10-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4300-23-0x0000000074B10000-0x00000000750C1000-memory.dmp

Filesize
5.7MB

Download
memory/4300-24-0x0000000074B10000-0x00000000750C1000-memory.dmp

Filesize
5.7MB

Download
memory/4300-25-0x0000000074B10000-0x00000000750C1000-memory.dmp

Filesize
5.7MB

Download
memory/4300-26-0x0000000074B10000-0x00000000750C1000-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