nanocore | 9598d353175682d82d7bbe9eca3d48c97552db2718e77007601f80541b7c8afb

Analysis

max time kernel
145s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/01/2024, 11:34

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
quotation.scr.exe
Size 295KB
Sample240126-nptt5acfb3
SHA256 9598d353175682d82d7bbe9eca3d48c97552db2718e77007601f80541b7c8afb
MD5 38699281db788537bea1ce577eb81ea9
SHA1 39e11046b7c615a047875ca3a0eafd20d583d693
SHA512 fd33f696fc92ed4d496088715dbc82ca7c67e3049b1855ca56c3576381677274cdd1d437ea98cb3774c5bef0106a2dbc984c97b8c680d243cee104c042357c3f
SSDEEP 6144:mfzUOcy4y9KPUapZTWJSij3SoiQxTwMdU8gP2iDeE/T1u/cO:ozUO99K1Wdj3STsTwWUtyE8/c
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

nanocore keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

harold.jetos.com:6051

Mutex

c21ee39c-274d-42dc-9878-9c010930f524

Attributes

activate_away_mode
true
backup_connection_host
harold.jetos.com
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2023-11-05T15:38:42.943803836Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
6051
default_group
sales224
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
c21ee39c-274d-42dc-9878-9c010930f524
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
harold.jetos.com
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

pid	Process
3312	explorer.exe
4980	explorer.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3828 set thread context of 1820	3828	quotation.scr.exe	96
PID 3312 set thread context of 4572	3312	explorer.exe	105

Creates scheduled task(s) 1 TTPs 2 IoCs

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

persistence

Scheduled Task/Job

T1053

pid	Process
2000	schtasks.exe
788	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1820	vbc.exe
1820	vbc.exe
1820	vbc.exe
1820	vbc.exe
1820	vbc.exe
1820	vbc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1820	vbc.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1820	vbc.exe

Suspicious use of WriteProcessMemory 40 IoCs

description	pid	Process	procid_target
PID 3828 wrote to memory of 1820	3828	quotation.scr.exe	96
PID 3828 wrote to memory of 1820	3828	quotation.scr.exe	96
PID 3828 wrote to memory of 1820	3828	quotation.scr.exe	96
PID 3828 wrote to memory of 1820	3828	quotation.scr.exe	96
PID 3828 wrote to memory of 1820	3828	quotation.scr.exe	96
PID 3828 wrote to memory of 1820	3828	quotation.scr.exe	96
PID 3828 wrote to memory of 1820	3828	quotation.scr.exe	96
PID 3828 wrote to memory of 1820	3828	quotation.scr.exe	96
PID 3828 wrote to memory of 2616	3828	quotation.scr.exe	97
PID 3828 wrote to memory of 2616	3828	quotation.scr.exe	97
PID 3828 wrote to memory of 2616	3828	quotation.scr.exe	97
PID 3828 wrote to memory of 1276	3828	quotation.scr.exe	102
PID 3828 wrote to memory of 1276	3828	quotation.scr.exe	102
PID 3828 wrote to memory of 1276	3828	quotation.scr.exe	102
PID 3828 wrote to memory of 3892	3828	quotation.scr.exe	101
PID 3828 wrote to memory of 3892	3828	quotation.scr.exe	101
PID 3828 wrote to memory of 3892	3828	quotation.scr.exe	101
PID 1276 wrote to memory of 2000	1276	cmd.exe	103
PID 1276 wrote to memory of 2000	1276	cmd.exe	103
PID 1276 wrote to memory of 2000	1276	cmd.exe	103
PID 3312 wrote to memory of 4572	3312	explorer.exe	105
PID 3312 wrote to memory of 4572	3312	explorer.exe	105
PID 3312 wrote to memory of 4572	3312	explorer.exe	105
PID 3312 wrote to memory of 4572	3312	explorer.exe	105
PID 3312 wrote to memory of 4572	3312	explorer.exe	105
PID 3312 wrote to memory of 4572	3312	explorer.exe	105
PID 3312 wrote to memory of 4572	3312	explorer.exe	105
PID 3312 wrote to memory of 4572	3312	explorer.exe	105
PID 3312 wrote to memory of 4436	3312	explorer.exe	108
PID 3312 wrote to memory of 4436	3312	explorer.exe	108
PID 3312 wrote to memory of 4436	3312	explorer.exe	108
PID 3312 wrote to memory of 1756	3312	explorer.exe	107
PID 3312 wrote to memory of 1756	3312	explorer.exe	107
PID 3312 wrote to memory of 1756	3312	explorer.exe	107
PID 3312 wrote to memory of 2680	3312	explorer.exe	106
PID 3312 wrote to memory of 2680	3312	explorer.exe	106
PID 3312 wrote to memory of 2680	3312	explorer.exe	106
PID 1756 wrote to memory of 788	1756	cmd.exe	112
PID 1756 wrote to memory of 788	1756	cmd.exe	112
PID 1756 wrote to memory of 788	1756	cmd.exe	112

C:\Users\Admin\AppData\Local\Temp\quotation.scr.exe
"C:\Users\Admin\AppData\Local\Temp\quotation.scr.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3828
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:1820
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\explorer"
  2⤵
  PID:2616
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\quotation.scr.exe" "C:\Users\Admin\AppData\Roaming\explorer\explorer.exe"
  2⤵
  PID:3892
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\explorer\explorer.exe'" /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1276
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\explorer\explorer.exe'" /f
    3⤵
    - Creates scheduled task(s)
    PID:2000

C:\Users\Admin\AppData\Roaming\explorer\explorer.exe
C:\Users\Admin\AppData\Roaming\explorer\explorer.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3312
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  PID:4572
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c copy "C:\Users\Admin\AppData\Roaming\explorer\explorer.exe" "C:\Users\Admin\AppData\Roaming\explorer\explorer.exe"
  2⤵
  PID:2680
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\explorer\explorer.exe'" /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1756
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\explorer\explorer.exe'" /f
    3⤵
    - Creates scheduled task(s)
    PID:788
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\explorer"
  2⤵
  PID:4436

C:\Users\Admin\AppData\Roaming\explorer\explorer.exe
C:\Users\Admin\AppData\Roaming\explorer\explorer.exe
1⤵
- Executes dropped EXE
PID:4980

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scripting

T1064

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Scripting

T1064

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

explorer.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\explorer.exe.log
Size 612B
SHA256 704dd8b8fb6dfccf43fd0712e36950102151fe7232d6602c53a42af967969533
MD5 81ab0e59097e03cb04c32378024d6628
SHA1 cc2a7a335f905e787906b6a0820acfbd4c5d0ed2
SHA512 3dd1374962c4d913ad6ec4207889abcca3e28946fa8937626bd2d13025a538e676bfc2efe76d27031d3f741bb3934104c0cf4e10da62758839add1fe543dfacb
MD5 SHA1 SHA512

Submit Download

explorer.exe

Path C:\Users\Admin\AppData\Roaming\explorer\explorer.exe
Size 295KB
SHA256 9598d353175682d82d7bbe9eca3d48c97552db2718e77007601f80541b7c8afb
MD5 38699281db788537bea1ce577eb81ea9
SHA1 39e11046b7c615a047875ca3a0eafd20d583d693
SHA512 fd33f696fc92ed4d496088715dbc82ca7c67e3049b1855ca56c3576381677274cdd1d437ea98cb3774c5bef0106a2dbc984c97b8c680d243cee104c042357c3f
SSDEEP 6144:mfzUOcy4y9KPUapZTWJSij3SoiQxTwMdU8gP2iDeE/T1u/cO:ozUO99K1Wdj3STsTwWUtyE8/c
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1820-43-0x0000000000FD0000-0x0000000000FDE000-memory.dmp

Download

memory/1820-20-0x0000000005410000-0x0000000005420000-memory.dmp

Download

memory/1820-49-0x0000000001080000-0x0000000001094000-memory.dmp

Download

memory/1820-48-0x0000000001040000-0x000000000106E000-memory.dmp

Download

memory/1820-6-0x0000000000400000-0x0000000000438000-memory.dmp

Download

memory/1820-47-0x0000000001030000-0x000000000103E000-memory.dmp

Download

memory/1820-9-0x00000000748C0000-0x0000000075070000-memory.dmp

Download

memory/1820-10-0x0000000005070000-0x0000000005102000-memory.dmp

Download

memory/1820-13-0x00000000051B0000-0x000000000524C000-memory.dmp

Download

memory/1820-14-0x0000000005410000-0x0000000005420000-memory.dmp

Download

memory/1820-15-0x0000000005110000-0x000000000511A000-memory.dmp

Download

memory/1820-17-0x0000000005190000-0x000000000519A000-memory.dmp

Download

memory/1820-18-0x0000000005E00000-0x0000000005E1E000-memory.dmp

Download

memory/1820-38-0x0000000000EA0000-0x0000000000EB2000-memory.dmp

Download

memory/1820-19-0x0000000006040000-0x000000000604A000-memory.dmp

Download

memory/1820-21-0x00000000748C0000-0x0000000075070000-memory.dmp

Download

memory/1820-22-0x0000000005410000-0x0000000005420000-memory.dmp

Download

memory/1820-23-0x0000000005410000-0x0000000005420000-memory.dmp

Download

memory/1820-46-0x0000000001010000-0x0000000001024000-memory.dmp

Download

memory/1820-45-0x0000000000FF0000-0x0000000001000000-memory.dmp

Download

memory/1820-44-0x0000000000FE0000-0x0000000000FF4000-memory.dmp

Download

memory/1820-42-0x0000000000FC0000-0x0000000000FCC000-memory.dmp

Download

memory/1820-41-0x0000000000FB0000-0x0000000000FC2000-memory.dmp

Download

memory/1820-40-0x0000000000FA0000-0x0000000000FAE000-memory.dmp

Download

memory/1820-39-0x0000000000EB0000-0x0000000000ECA000-memory.dmp

Download

memory/3312-28-0x0000000004EF0000-0x0000000004F00000-memory.dmp

Download

memory/3312-27-0x00000000748C0000-0x0000000075070000-memory.dmp

Download

memory/3312-26-0x00000000748C0000-0x0000000075070000-memory.dmp

Download

memory/3312-32-0x00000000748C0000-0x0000000075070000-memory.dmp

Download

memory/3828-2-0x0000000004D40000-0x0000000004D50000-memory.dmp

Download

memory/3828-4-0x00000000748C0000-0x0000000075070000-memory.dmp

Download

memory/3828-0-0x0000000000510000-0x0000000000560000-memory.dmp

Download

memory/3828-3-0x0000000005300000-0x00000000058A4000-memory.dmp

Download

memory/3828-8-0x00000000748C0000-0x0000000075070000-memory.dmp

Download

memory/3828-5-0x0000000005080000-0x00000000050E6000-memory.dmp

Download

memory/3828-1-0x00000000748C0000-0x0000000075070000-memory.dmp

Download

memory/4572-33-0x0000000005260000-0x0000000005270000-memory.dmp

Download

memory/4572-35-0x00000000748C0000-0x0000000075070000-memory.dmp

Download

memory/4572-31-0x00000000748C0000-0x0000000075070000-memory.dmp

Download

memory/4980-53-0x00000000748C0000-0x0000000075070000-memory.dmp

Download

memory/4980-54-0x0000000001640000-0x0000000001650000-memory.dmp

Download

memory/4980-55-0x00000000748C0000-0x0000000075070000-memory.dmp

Download