nanocore | d3fa0ceebb84f3abc929af182515d26931c60cb566222b527909d8aae5117b2f

General

Target

PURCHASE-ORDER_20220913.pdf.exe
Size

697KB
MD5

e1ba8f2fdc20484bb0b13c394885a398
SHA1

3e6b9d5e7d77930897bb96ba128420786b1bcc2a
SHA256

64a3b4123f00c38403f49a0ae610be6c41cea7a2179b967aa38cedd91c72e1dc
SHA512

178779b61e293d36d4e0c6f6b497d2f06dd8703b22dc75af08abe0088c662763b5b04be5f045ee8d62e49ef536408eed1877984d492b67478aa873a78fbaee60
SSDEEP

12288:d1Yfb517dtROglIBHlXKCclVGChqR8LVdJ08edA6p1bhKWV5:X+55hCppKCc9LLVUk6TbMM5

Score

10^/10

nanocore keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

91.192.100.7:8494

Mutex

cc565a19-6754-42ee-8ae1-da50c3e5ee30

Attributes

activate_away_mode
true
backup_connection_host
91.192.100.7
backup_dns_server
buffer_size
65535
build_time
2022-06-11T07:25:11.839559836Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
true
clear_zone_identifier
true
connect_delay
4000
connection_port
8494
default_group
NEW
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
cc565a19-6754-42ee-8ae1-da50c3e5ee30
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
91.192.100.7
primary_dns_server
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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

RegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\AGP Manager = "C:\\Program Files (x86)\\AGP Manager\\agpmgr.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

PURCHASE-ORDER_20220913.pdf.exe

description pid process target process

PID 1324 set thread context of 1724 1324 PURCHASE-ORDER_20220913.pdf.exe RegSvcs.exe

description	pid	process	target process
PID 1324 set thread context of 1724	1324	PURCHASE-ORDER_20220913.pdf.exe	RegSvcs.exe

Drops file in Program Files directory 2 IoCs

Processes:

RegSvcs.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\AGP Manager\agpmgr.exe	RegSvcs.exe
File created	C:\Program Files (x86)\AGP Manager\agpmgr.exe	RegSvcs.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exeschtasks.exe

pid process

772 schtasks.exe
1104 schtasks.exe
1664 schtasks.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

PURCHASE-ORDER_20220913.pdf.exepowershell.exeRegSvcs.exe

pid process

1324 PURCHASE-ORDER_20220913.pdf.exe
1324 PURCHASE-ORDER_20220913.pdf.exe
768 powershell.exe
1724 RegSvcs.exe
1724 RegSvcs.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegSvcs.exe

pid process

1724 RegSvcs.exe

pid	process
772	schtasks.exe
1104	schtasks.exe
1664	schtasks.exe

pid	process
1324	PURCHASE-ORDER_20220913.pdf.exe
1324	PURCHASE-ORDER_20220913.pdf.exe
768	powershell.exe
1724	RegSvcs.exe
1724	RegSvcs.exe

pid	process
1724	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

PURCHASE-ORDER_20220913.pdf.exepowershell.exeRegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1324	PURCHASE-ORDER_20220913.pdf.exe
Token: SeDebugPrivilege	768	powershell.exe
Token: SeDebugPrivilege	1724	RegSvcs.exe

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

PURCHASE-ORDER_20220913.pdf.exeRegSvcs.exe

description	pid	process	target process
PID 1324 wrote to memory of 768	1324	PURCHASE-ORDER_20220913.pdf.exe	powershell.exe
PID 1324 wrote to memory of 768	1324	PURCHASE-ORDER_20220913.pdf.exe	powershell.exe
PID 1324 wrote to memory of 768	1324	PURCHASE-ORDER_20220913.pdf.exe	powershell.exe
PID 1324 wrote to memory of 768	1324	PURCHASE-ORDER_20220913.pdf.exe	powershell.exe
PID 1324 wrote to memory of 772	1324	PURCHASE-ORDER_20220913.pdf.exe	schtasks.exe
PID 1324 wrote to memory of 772	1324	PURCHASE-ORDER_20220913.pdf.exe	schtasks.exe
PID 1324 wrote to memory of 772	1324	PURCHASE-ORDER_20220913.pdf.exe	schtasks.exe
PID 1324 wrote to memory of 772	1324	PURCHASE-ORDER_20220913.pdf.exe	schtasks.exe
PID 1324 wrote to memory of 1724	1324	PURCHASE-ORDER_20220913.pdf.exe	RegSvcs.exe
PID 1324 wrote to memory of 1724	1324	PURCHASE-ORDER_20220913.pdf.exe	RegSvcs.exe
PID 1324 wrote to memory of 1724	1324	PURCHASE-ORDER_20220913.pdf.exe	RegSvcs.exe
PID 1324 wrote to memory of 1724	1324	PURCHASE-ORDER_20220913.pdf.exe	RegSvcs.exe
PID 1324 wrote to memory of 1724	1324	PURCHASE-ORDER_20220913.pdf.exe	RegSvcs.exe
PID 1324 wrote to memory of 1724	1324	PURCHASE-ORDER_20220913.pdf.exe	RegSvcs.exe
PID 1324 wrote to memory of 1724	1324	PURCHASE-ORDER_20220913.pdf.exe	RegSvcs.exe
PID 1324 wrote to memory of 1724	1324	PURCHASE-ORDER_20220913.pdf.exe	RegSvcs.exe
PID 1324 wrote to memory of 1724	1324	PURCHASE-ORDER_20220913.pdf.exe	RegSvcs.exe
PID 1324 wrote to memory of 1724	1324	PURCHASE-ORDER_20220913.pdf.exe	RegSvcs.exe
PID 1324 wrote to memory of 1724	1324	PURCHASE-ORDER_20220913.pdf.exe	RegSvcs.exe
PID 1324 wrote to memory of 1724	1324	PURCHASE-ORDER_20220913.pdf.exe	RegSvcs.exe
PID 1724 wrote to memory of 1104	1724	RegSvcs.exe	schtasks.exe
PID 1724 wrote to memory of 1104	1724	RegSvcs.exe	schtasks.exe
PID 1724 wrote to memory of 1104	1724	RegSvcs.exe	schtasks.exe
PID 1724 wrote to memory of 1104	1724	RegSvcs.exe	schtasks.exe
PID 1724 wrote to memory of 1664	1724	RegSvcs.exe	schtasks.exe
PID 1724 wrote to memory of 1664	1724	RegSvcs.exe	schtasks.exe
PID 1724 wrote to memory of 1664	1724	RegSvcs.exe	schtasks.exe
PID 1724 wrote to memory of 1664	1724	RegSvcs.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\PURCHASE-ORDER_20220913.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\PURCHASE-ORDER_20220913.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1324
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ezSogOKeXjGCh.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:768
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ezSogOKeXjGCh" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD5F6.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:772
- 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
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1724
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "AGP Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmpDBEE.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:1104
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "AGP Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpDCD9.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:1664

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpD5F6.tmp

Filesize
1KB

MD5
e1e41770aed079ef6cb18f231e1a5bd9

SHA1
74dfbccf3435d51f34261937cea81a32a38b892b

SHA256
a5112fc6352efbb0aa0403bd9663a97048fe0d09fbd344c5dc9986043b160ac1

SHA512
069381bba2861cf903494762a9aba86ccce295cc6558a565f887552ecc89e141aa6a19c1ec7b39d183de1922247b905bd718733666811b4482082b362dbf364c

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

Filesize
1KB

MD5
40b11ef601fb28f9b2e69d36857bf2ec

SHA1
b6454020ad2ceed193f4792b77001d0bd741b370

SHA256
c51e12d18cc664425f6711d8ae2507068884c7057092cfa11884100e1e9d49e1

SHA512
e3c5bcc714cbfca4b8058ddcddf231dcefa69c15881ce3f8123e59ed45cfb5da052b56e1945dcf8dc7f800d62f9a4eecb82bca69a66a1530787aeffeb15e2bd5

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpDCD9.tmp

Filesize
1KB

MD5
885d6dd30570594e167fadb59d9ca0ea

SHA1
9981e583644c4eb9cf5056615a0e1c2913c8983b

SHA256
7155bc082d1713d77c2797575ee0ade8467fb7012f5376c1d6f4aa618141a7d2

SHA512
1623218143c2c25a7c85fa9da8e0f251f04a5eb848c4d0aa10bfb78688518b82393a2b3c7f287a9dc06a366ef9f46d0d4e2d246ad4cef4554a74c0bb6ff9dd2a

Download Submit
memory/768-81-0x0000000074090000-0x000000007463B000-memory.dmp

Filesize
5.7MB

Download
memory/768-80-0x0000000074090000-0x000000007463B000-memory.dmp

Filesize
5.7MB

Download
memory/768-57-0x0000000000000000-mapping.dmp

Download
memory/772-58-0x0000000000000000-mapping.dmp

Download
memory/1104-75-0x0000000000000000-mapping.dmp

Download
memory/1324-54-0x00000000752B1000-0x00000000752B3000-memory.dmp

Filesize
8KB

Download
memory/1324-55-0x0000000074100000-0x00000000746AB000-memory.dmp

Filesize
5.7MB

Download
memory/1324-56-0x0000000074100000-0x00000000746AB000-memory.dmp

Filesize
5.7MB

Download
memory/1324-70-0x0000000074100000-0x00000000746AB000-memory.dmp

Filesize
5.7MB

Download
memory/1664-77-0x0000000000000000-mapping.dmp

Download
memory/1724-67-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1724-73-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1724-71-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1724-62-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1724-64-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1724-61-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1724-79-0x0000000074090000-0x000000007463B000-memory.dmp

Filesize
5.7MB

Download
memory/1724-68-0x000000000041E792-mapping.dmp

Download
memory/1724-65-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1724-82-0x0000000074090000-0x000000007463B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads