nanocore | 9598d353175682d82d7bbe9eca3d48c97552db2718e77007601f80541b7c8afb

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
26/01/2024, 11:34

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

quotation.scr.exe
Size

295KB
MD5

38699281db788537bea1ce577eb81ea9
SHA1

39e11046b7c615a047875ca3a0eafd20d583d693
SHA256

9598d353175682d82d7bbe9eca3d48c97552db2718e77007601f80541b7c8afb
SHA512

fd33f696fc92ed4d496088715dbc82ca7c67e3049b1855ca56c3576381677274cdd1d437ea98cb3774c5bef0106a2dbc984c97b8c680d243cee104c042357c3f
SSDEEP

6144:mfzUOcy4y9KPUapZTWJSij3SoiQxTwMdU8gP2iDeE/T1u/cO:ozUO99K1Wdj3STsTwWUtyE8/c

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
2244	explorer.exe
852	explorer.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2468 set thread context of 2900	2468	quotation.scr.exe	28
PID 2244 set thread context of 2512	2244	explorer.exe	40

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
2796	schtasks.exe
1472	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2900	vbc.exe
2900	vbc.exe
2900	vbc.exe
2900	vbc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2900	vbc.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2900	vbc.exe

Suspicious use of WriteProcessMemory 58 IoCs

description	pid	Process	procid_target
PID 2468 wrote to memory of 2900	2468	quotation.scr.exe	28
PID 2468 wrote to memory of 2900	2468	quotation.scr.exe	28
PID 2468 wrote to memory of 2900	2468	quotation.scr.exe	28
PID 2468 wrote to memory of 2900	2468	quotation.scr.exe	28
PID 2468 wrote to memory of 2900	2468	quotation.scr.exe	28
PID 2468 wrote to memory of 2900	2468	quotation.scr.exe	28
PID 2468 wrote to memory of 2900	2468	quotation.scr.exe	28
PID 2468 wrote to memory of 2900	2468	quotation.scr.exe	28
PID 2468 wrote to memory of 2900	2468	quotation.scr.exe	28
PID 2468 wrote to memory of 2976	2468	quotation.scr.exe	29
PID 2468 wrote to memory of 2976	2468	quotation.scr.exe	29
PID 2468 wrote to memory of 2976	2468	quotation.scr.exe	29
PID 2468 wrote to memory of 2976	2468	quotation.scr.exe	29
PID 2468 wrote to memory of 2864	2468	quotation.scr.exe	32
PID 2468 wrote to memory of 2864	2468	quotation.scr.exe	32
PID 2468 wrote to memory of 2864	2468	quotation.scr.exe	32
PID 2468 wrote to memory of 2864	2468	quotation.scr.exe	32
PID 2468 wrote to memory of 2872	2468	quotation.scr.exe	31
PID 2468 wrote to memory of 2872	2468	quotation.scr.exe	31
PID 2468 wrote to memory of 2872	2468	quotation.scr.exe	31
PID 2468 wrote to memory of 2872	2468	quotation.scr.exe	31
PID 2864 wrote to memory of 2796	2864	cmd.exe	35
PID 2864 wrote to memory of 2796	2864	cmd.exe	35
PID 2864 wrote to memory of 2796	2864	cmd.exe	35
PID 2864 wrote to memory of 2796	2864	cmd.exe	35
PID 2952 wrote to memory of 2244	2952	taskeng.exe	39
PID 2952 wrote to memory of 2244	2952	taskeng.exe	39
PID 2952 wrote to memory of 2244	2952	taskeng.exe	39
PID 2952 wrote to memory of 2244	2952	taskeng.exe	39
PID 2244 wrote to memory of 2512	2244	explorer.exe	40
PID 2244 wrote to memory of 2512	2244	explorer.exe	40
PID 2244 wrote to memory of 2512	2244	explorer.exe	40
PID 2244 wrote to memory of 2512	2244	explorer.exe	40
PID 2244 wrote to memory of 2512	2244	explorer.exe	40
PID 2244 wrote to memory of 2512	2244	explorer.exe	40
PID 2244 wrote to memory of 2512	2244	explorer.exe	40
PID 2244 wrote to memory of 2512	2244	explorer.exe	40
PID 2244 wrote to memory of 2512	2244	explorer.exe	40
PID 2244 wrote to memory of 2276	2244	explorer.exe	41
PID 2244 wrote to memory of 2276	2244	explorer.exe	41
PID 2244 wrote to memory of 2276	2244	explorer.exe	41
PID 2244 wrote to memory of 2276	2244	explorer.exe	41
PID 2244 wrote to memory of 1320	2244	explorer.exe	45
PID 2244 wrote to memory of 1320	2244	explorer.exe	45
PID 2244 wrote to memory of 1320	2244	explorer.exe	45
PID 2244 wrote to memory of 1320	2244	explorer.exe	45
PID 2244 wrote to memory of 608	2244	explorer.exe	44
PID 2244 wrote to memory of 608	2244	explorer.exe	44
PID 2244 wrote to memory of 608	2244	explorer.exe	44
PID 2244 wrote to memory of 608	2244	explorer.exe	44
PID 1320 wrote to memory of 1472	1320	cmd.exe	47
PID 1320 wrote to memory of 1472	1320	cmd.exe	47
PID 1320 wrote to memory of 1472	1320	cmd.exe	47
PID 1320 wrote to memory of 1472	1320	cmd.exe	47
PID 2952 wrote to memory of 852	2952	taskeng.exe	48
PID 2952 wrote to memory of 852	2952	taskeng.exe	48
PID 2952 wrote to memory of 852	2952	taskeng.exe	48
PID 2952 wrote to memory of 852	2952	taskeng.exe	48

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:2468
- 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:2900
- C:\Windows\SysWOW64\cmd.exe
  "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\explorer"
  2⤵
  PID:2976
- 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:2872
- 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:2864
- - 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:2796

C:\Windows\system32\taskeng.exe
taskeng.exe {8FF7CFF9-8918-4A13-A59A-144AD3A69973} S-1-5-21-3818056530-936619650-3554021955-1000:SFVRQGEO\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2952
- C:\Users\Admin\AppData\Roaming\explorer\explorer.exe
  C:\Users\Admin\AppData\Roaming\explorer\explorer.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:2244
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
    3⤵
    PID:2512
- - C:\Windows\SysWOW64\cmd.exe
    "cmd" /c mkdir "C:\Users\Admin\AppData\Roaming\explorer"
    3⤵
    PID:2276
- - C:\Windows\SysWOW64\cmd.exe
    "cmd" /c copy "C:\Users\Admin\AppData\Roaming\explorer\explorer.exe" "C:\Users\Admin\AppData\Roaming\explorer\explorer.exe"
    3⤵
    PID:608
- - 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
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1320
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /sc minute /mo 1 /tn "Nafifas" /tr "'C:\Users\Admin\AppData\Roaming\explorer\explorer.exe'" /f
      4⤵
      Creates scheduled task(s)
      PID:1472
- C:\Users\Admin\AppData\Roaming\explorer\explorer.exe
  C:\Users\Admin\AppData\Roaming\explorer\explorer.exe
  2⤵
  - Executes dropped EXE
  PID:852

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

C:\Users\Admin\AppData\Roaming\explorer\explorer.exe

Filesize
295KB

MD5
38699281db788537bea1ce577eb81ea9

SHA1
39e11046b7c615a047875ca3a0eafd20d583d693

SHA256
9598d353175682d82d7bbe9eca3d48c97552db2718e77007601f80541b7c8afb

SHA512
fd33f696fc92ed4d496088715dbc82ca7c67e3049b1855ca56c3576381677274cdd1d437ea98cb3774c5bef0106a2dbc984c97b8c680d243cee104c042357c3f

Download Submit
memory/852-74-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download
memory/852-73-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download
memory/2244-49-0x0000000004710000-0x0000000004750000-memory.dmp

Filesize
256KB

Download
memory/2244-47-0x00000000010F0000-0x0000000001140000-memory.dmp

Filesize
320KB

Download
memory/2244-48-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download
memory/2244-51-0x0000000004710000-0x0000000004750000-memory.dmp

Filesize
256KB

Download
memory/2244-68-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download
memory/2244-50-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download
memory/2468-4-0x0000000000D70000-0x0000000000DB0000-memory.dmp

Filesize
256KB

Download
memory/2468-3-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download
memory/2468-2-0x0000000000D70000-0x0000000000DB0000-memory.dmp

Filesize
256KB

Download
memory/2468-1-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download
memory/2468-0-0x00000000013D0000-0x0000000001420000-memory.dmp

Filesize
320KB

Download
memory/2468-20-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download
memory/2512-67-0x0000000000080000-0x00000000000B8000-memory.dmp

Filesize
224KB

Download
memory/2512-58-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2512-64-0x0000000000080000-0x00000000000B8000-memory.dmp

Filesize
224KB

Download
memory/2512-60-0x0000000000080000-0x00000000000B8000-memory.dmp

Filesize
224KB

Download
memory/2512-70-0x00000000050C0000-0x0000000005100000-memory.dmp

Filesize
256KB

Download
memory/2512-69-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download
memory/2512-71-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download
memory/2900-18-0x00000000001D0000-0x0000000000208000-memory.dmp

Filesize
224KB

Download
memory/2900-31-0x00000000022B0000-0x00000000022CA000-memory.dmp

Filesize
104KB

Download
memory/2900-34-0x00000000044D0000-0x00000000044DC000-memory.dmp

Filesize
48KB

Download
memory/2900-35-0x00000000044E0000-0x00000000044EE000-memory.dmp

Filesize
56KB

Download
memory/2900-36-0x00000000045F0000-0x0000000004604000-memory.dmp

Filesize
80KB

Download
memory/2900-37-0x0000000004600000-0x0000000004610000-memory.dmp

Filesize
64KB

Download
memory/2900-38-0x0000000004AC0000-0x0000000004AD4000-memory.dmp

Filesize
80KB

Download
memory/2900-39-0x0000000004AD0000-0x0000000004ADE000-memory.dmp

Filesize
56KB

Download
memory/2900-40-0x0000000004F10000-0x0000000004F3E000-memory.dmp

Filesize
184KB

Download
memory/2900-41-0x0000000004F40000-0x0000000004F54000-memory.dmp

Filesize
80KB

Download
memory/2900-43-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download
memory/2900-44-0x0000000000800000-0x0000000000840000-memory.dmp

Filesize
256KB

Download
memory/2900-32-0x00000000023E0000-0x00000000023EE000-memory.dmp

Filesize
56KB

Download
memory/2900-33-0x00000000044C0000-0x00000000044D2000-memory.dmp

Filesize
72KB

Download
memory/2900-30-0x0000000002260000-0x0000000002272000-memory.dmp

Filesize
72KB

Download
memory/2900-27-0x0000000000870000-0x000000000087A000-memory.dmp

Filesize
40KB

Download
memory/2900-26-0x0000000002120000-0x000000000213E000-memory.dmp

Filesize
120KB

Download
memory/2900-25-0x0000000000860000-0x000000000086A000-memory.dmp

Filesize
40KB

Download
memory/2900-22-0x0000000000800000-0x0000000000840000-memory.dmp

Filesize
256KB

Download
memory/2900-19-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download
memory/2900-15-0x00000000001D0000-0x0000000000208000-memory.dmp

Filesize
224KB

Download
memory/2900-10-0x00000000001D0000-0x0000000000208000-memory.dmp

Filesize
224KB

Download
memory/2900-11-0x00000000001D0000-0x0000000000208000-memory.dmp

Filesize
224KB

Download
memory/2900-9-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2900-8-0x00000000001D0000-0x0000000000208000-memory.dmp

Filesize
224KB

Download
memory/2900-7-0x00000000001D0000-0x0000000000208000-memory.dmp

Filesize
224KB

Download
memory/2900-6-0x00000000001D0000-0x0000000000208000-memory.dmp

Filesize
224KB

Download
memory/2900-5-0x00000000001D0000-0x0000000000208000-memory.dmp

Filesize
224KB

Download