nanocore | 1372611a62207431985055ea8ecb4121b3dfb199e615102c06cc38e5aabdd65d

General

Target

DHL-#AWB130501923096PDF.exe
Size

712KB
MD5

13e8443bf19ea588b2c7a77251746fe8
SHA1

62ae36fa6f7d5a21e026a8bbebed94bac81384e6
SHA256

1372611a62207431985055ea8ecb4121b3dfb199e615102c06cc38e5aabdd65d
SHA512

0dbcf414e821c737084e2d3cc378f5e8de1920ab2d41340d5c474316a051001f71cb47f0733cb588923d885455137c2b36993caecb160333bc23e539b9db6de9

Score

10^/10

nanocore evasion keylogger persistence ransomware spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

185.162.88.26:20911

fenixalec.ddns.net:20911

Mutex

4c844ad7-de78-4c04-815b-d468ebb89811

Attributes

activate_away_mode
true
backup_connection_host
fenixalec.ddns.net
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-10-25T21:31:56.793896536Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
true
connect_delay
4000
connection_port
20911
default_group
2021 GREATEST
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
4c844ad7-de78-4c04-815b-d468ebb89811
mutex_timeout
5000
prevent_system_sleep
true
primary_connection_host
185.162.88.26
primary_dns_server
8.8.8.8
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
true
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
Executes dropped EXE 2 IoCs

Processes:

vggfghbh.exeInstallUtil.exe

pid process

3716 vggfghbh.exe
2696 InstallUtil.exe

pid	process
3716	vggfghbh.exe
2696	InstallUtil.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

reg.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Windows\CurrentVersion\Run\sweddf = "C:\\Users\\Admin\\AppData\\Roaming\\vggfghbh.exe"	reg.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

InstallUtil.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA InstallUtil.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
ransomware

System Information Discovery
T1082
Suspicious use of SetThreadContext 1 IoCs

Processes:

vggfghbh.exe

description pid process target process

PID 3716 set thread context of 2696 3716 vggfghbh.exe InstallUtil.exe

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

description	pid	process	target process
PID 3716 set thread context of 2696	3716	vggfghbh.exe	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

DHL-#AWB130501923096PDF.exevggfghbh.exeInstallUtil.exe

pid	process
496	DHL-#AWB130501923096PDF.exe
496	DHL-#AWB130501923096PDF.exe
496	DHL-#AWB130501923096PDF.exe
496	DHL-#AWB130501923096PDF.exe
496	DHL-#AWB130501923096PDF.exe
496	DHL-#AWB130501923096PDF.exe
496	DHL-#AWB130501923096PDF.exe
496	DHL-#AWB130501923096PDF.exe
496	DHL-#AWB130501923096PDF.exe
496	DHL-#AWB130501923096PDF.exe
496	DHL-#AWB130501923096PDF.exe
496	DHL-#AWB130501923096PDF.exe
496	DHL-#AWB130501923096PDF.exe
496	DHL-#AWB130501923096PDF.exe
496	DHL-#AWB130501923096PDF.exe
3716	vggfghbh.exe
3716	vggfghbh.exe
2696	InstallUtil.exe
2696	InstallUtil.exe
2696	InstallUtil.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

InstallUtil.exe

pid process

2696 InstallUtil.exe

pid	process
2696	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

DHL-#AWB130501923096PDF.exevggfghbh.exeInstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	496	DHL-#AWB130501923096PDF.exe
Token: SeDebugPrivilege	3716	vggfghbh.exe
Token: SeDebugPrivilege	2696	InstallUtil.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

DHL-#AWB130501923096PDF.execmd.exevggfghbh.exe

description	pid	process	target process
PID 496 wrote to memory of 820	496	DHL-#AWB130501923096PDF.exe	cmd.exe
PID 496 wrote to memory of 820	496	DHL-#AWB130501923096PDF.exe	cmd.exe
PID 496 wrote to memory of 820	496	DHL-#AWB130501923096PDF.exe	cmd.exe
PID 820 wrote to memory of 1424	820	cmd.exe	reg.exe
PID 820 wrote to memory of 1424	820	cmd.exe	reg.exe
PID 820 wrote to memory of 1424	820	cmd.exe	reg.exe
PID 496 wrote to memory of 3716	496	DHL-#AWB130501923096PDF.exe	vggfghbh.exe
PID 496 wrote to memory of 3716	496	DHL-#AWB130501923096PDF.exe	vggfghbh.exe
PID 496 wrote to memory of 3716	496	DHL-#AWB130501923096PDF.exe	vggfghbh.exe
PID 3716 wrote to memory of 2696	3716	vggfghbh.exe	InstallUtil.exe
PID 3716 wrote to memory of 2696	3716	vggfghbh.exe	InstallUtil.exe
PID 3716 wrote to memory of 2696	3716	vggfghbh.exe	InstallUtil.exe
PID 3716 wrote to memory of 2696	3716	vggfghbh.exe	InstallUtil.exe
PID 3716 wrote to memory of 2696	3716	vggfghbh.exe	InstallUtil.exe
PID 3716 wrote to memory of 2696	3716	vggfghbh.exe	InstallUtil.exe
PID 3716 wrote to memory of 2696	3716	vggfghbh.exe	InstallUtil.exe
PID 3716 wrote to memory of 2696	3716	vggfghbh.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\DHL-#AWB130501923096PDF.exe
"C:\Users\Admin\AppData\Local\Temp\DHL-#AWB130501923096PDF.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:496
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /c REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "sweddf" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\vggfghbh.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:820
- - C:\Windows\SysWOW64\reg.exe
    REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "sweddf" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\vggfghbh.exe"
    3⤵
    - Adds Run key to start application
    PID:1424
- C:\Users\Admin\AppData\Roaming\vggfghbh.exe
  "C:\Users\Admin\AppData\Roaming\vggfghbh.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3716
- - C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
    "C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
    3⤵
    - Executes dropped EXE
    - Checks whether UAC is enabled
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    PID:2696

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe

MD5
91c9ae9c9a17a9db5e08b120e668c74c

SHA1
50770954c1ceb0bb6f1d5d3f2de2a0a065773723

SHA256
e56a7e5d3ab9675555e2897fc3faa2dd9265008a4967a7d54030ab8184d2d38f

SHA512
ca504af192e3318359d4742a2ef26ae1b5d040a4f9942782e02549a310158d5d5dbf919b4c748c31ee609d2046bd23ee0c22712891c86ae4a1e3a58c6e67647e

Download Submit
C:\Users\Admin\AppData\Roaming\vggfghbh.exe

MD5
13e8443bf19ea588b2c7a77251746fe8

SHA1
62ae36fa6f7d5a21e026a8bbebed94bac81384e6

SHA256
1372611a62207431985055ea8ecb4121b3dfb199e615102c06cc38e5aabdd65d

SHA512
0dbcf414e821c737084e2d3cc378f5e8de1920ab2d41340d5c474316a051001f71cb47f0733cb588923d885455137c2b36993caecb160333bc23e539b9db6de9

Download Submit
C:\Users\Admin\AppData\Roaming\vggfghbh.exe

MD5
13e8443bf19ea588b2c7a77251746fe8

SHA1
62ae36fa6f7d5a21e026a8bbebed94bac81384e6

SHA256
1372611a62207431985055ea8ecb4121b3dfb199e615102c06cc38e5aabdd65d

SHA512
0dbcf414e821c737084e2d3cc378f5e8de1920ab2d41340d5c474316a051001f71cb47f0733cb588923d885455137c2b36993caecb160333bc23e539b9db6de9

Download Submit
memory/496-3-0x00000000004D0000-0x00000000004D1000-memory.dmp

Filesize
4KB

Download
memory/496-5-0x0000000004E20000-0x0000000004E21000-memory.dmp

Filesize
4KB

Download
memory/496-6-0x0000000005060000-0x0000000005061000-memory.dmp

Filesize
4KB

Download
memory/496-8-0x0000000005040000-0x000000000505E000-memory.dmp

Filesize
120KB

Download
memory/496-9-0x0000000007E20000-0x0000000007E21000-memory.dmp

Filesize
4KB

Download
memory/496-10-0x0000000008250000-0x0000000008251000-memory.dmp

Filesize
4KB

Download
memory/496-2-0x0000000073AD0000-0x00000000741BE000-memory.dmp

Filesize
6.9MB

Download
memory/496-13-0x0000000005061000-0x0000000005062000-memory.dmp

Filesize
4KB

Download
memory/820-11-0x0000000000000000-mapping.dmp

Download
memory/1424-12-0x0000000000000000-mapping.dmp

Download
memory/2696-40-0x0000000004E60000-0x0000000004E61000-memory.dmp

Filesize
4KB

Download
memory/2696-33-0x0000000073AD0000-0x00000000741BE000-memory.dmp

Filesize
6.9MB

Download
memory/2696-43-0x0000000005250000-0x0000000005253000-memory.dmp

Filesize
12KB

Download
memory/2696-42-0x0000000005470000-0x0000000005489000-memory.dmp

Filesize
100KB

Download
memory/2696-29-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2696-30-0x000000000041E792-mapping.dmp

Download
memory/2696-41-0x0000000005010000-0x0000000005015000-memory.dmp

Filesize
20KB

Download
memory/2696-39-0x0000000005260000-0x0000000005261000-memory.dmp

Filesize
4KB

Download
memory/2696-36-0x0000000005490000-0x0000000005491000-memory.dmp

Filesize
4KB

Download
memory/3716-14-0x0000000000000000-mapping.dmp

Download
memory/3716-25-0x00000000053F0000-0x00000000053F1000-memory.dmp

Filesize
4KB

Download
memory/3716-17-0x0000000073AD0000-0x00000000741BE000-memory.dmp

Filesize
6.9MB

Download
memory/3716-26-0x00000000053F1000-0x00000000053F2000-memory.dmp

Filesize
4KB

Download
memory/3716-28-0x0000000005D40000-0x0000000005D41000-memory.dmp

Filesize
4KB

Download
memory/3716-27-0x0000000005D30000-0x0000000005D3B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads