nanocore | 862436265855ac8c2d4c8517da3d7f7572c57ccb520f6f76c18348fcaa893503

General

Target
Punchgod.exe
Size 690KB
Sample220609-m7dp7afchn
SHA256 862436265855ac8c2d4c8517da3d7f7572c57ccb520f6f76c18348fcaa893503
MD5 c6a6621d581eba3cda7e930bc45072e1
SHA1 b74587b4ab97f3d66cba19c474a1c409dad7585e
SHA512 6130c4b819217b9b9658acd536a6f0435996bf3d6c0f77148db417cd83ff973649a4968b4ec31a6db274b091d6c0ac0c4970c890ce035dfc326f69d1335f61cd
MD5 SHA1 SHA512

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

27.254.163.12:8080

Mutex

ae001393-0393-4976-a0d3-f239b3e495fc

Attributes

activate_away_mode
false
backup_connection_host
27.254.163.12
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2022-01-28T10:10:40.130131436Z
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
8080
default_group
Default
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
ae001393-0393-4976-a0d3-f239b3e495fc
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
27.254.163.12
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

Executes dropped EXE 1 IoCs

pid	Process
1272	S.exe

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-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation	Punchgod.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\WPA Monitor = "C:\\Program Files (x86)\\WPA Monitor\\wpamon.exe"	S.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

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

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\WPA Monitor\wpamon.exe	S.exe
File opened for modification	C:\Program Files (x86)\WPA Monitor\wpamon.exe	S.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 2 IoCs

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

persistence

Scheduled Task

T1053

pid	Process
944	schtasks.exe
2400	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1272	S.exe
1272	S.exe
1272	S.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1272	S.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1272	S.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4204 wrote to memory of 1272	4204	Punchgod.exe	79
PID 4204 wrote to memory of 1272	4204	Punchgod.exe	79
PID 4204 wrote to memory of 1272	4204	Punchgod.exe	79
PID 1272 wrote to memory of 944	1272	S.exe	81
PID 1272 wrote to memory of 944	1272	S.exe	81
PID 1272 wrote to memory of 944	1272	S.exe	81
PID 1272 wrote to memory of 2400	1272	S.exe	83
PID 1272 wrote to memory of 2400	1272	S.exe	83
PID 1272 wrote to memory of 2400	1272	S.exe	83

C:\Users\Admin\AppData\Local\Temp\Punchgod.exe
"C:\Users\Admin\AppData\Local\Temp\Punchgod.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4204
- C:\Users\Admin\AppData\Local\Temp\RarSFX0\S.exe
  "C:\Users\Admin\AppData\Local\Temp\RarSFX0\S.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Drops file in Program Files directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1272
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "WPA Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmpE573.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:944
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "WPA Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpE823.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:2400

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

Query Registry

1

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

S.exe

Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\S.exe
Size 203KB
SHA256 ac92dae738689ef45a78d0dae39aceb14ccf0a0844ca6862ab7dcbacf5c25951
MD5 cbb3bbc16de3c0ee37f4debc87a6fb1c
SHA1 b0f6ecceea68a26f0351b9b5d64837a8fbb722e8
SHA512 ca665c7f0576e81de391c4c2f411f8b6fadf361c404d7902fe9b493b356a5c2fe85a0ba2abb5b5c3b328a0b5e4e1e600daaa522ea5423b7337fc63e10a248635
SSDEEP 6144:sLV6Bta6dtJmakIM5hMBrwBJnaMC8xFev7y4QT1tp:sLV6BtpmkwMFIPHPe2Dtp
MD5 SHA1 SHA512 SSDEEP

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S.exe

Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\S.exe
Size 203KB
SHA256 ac92dae738689ef45a78d0dae39aceb14ccf0a0844ca6862ab7dcbacf5c25951
MD5 cbb3bbc16de3c0ee37f4debc87a6fb1c
SHA1 b0f6ecceea68a26f0351b9b5d64837a8fbb722e8
SHA512 ca665c7f0576e81de391c4c2f411f8b6fadf361c404d7902fe9b493b356a5c2fe85a0ba2abb5b5c3b328a0b5e4e1e600daaa522ea5423b7337fc63e10a248635
SSDEEP 6144:sLV6Bta6dtJmakIM5hMBrwBJnaMC8xFev7y4QT1tp:sLV6BtpmkwMFIPHPe2Dtp
MD5 SHA1 SHA512 SSDEEP

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tmpE573.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpE573.tmp
Size 1KB
SHA256 3090955dbfd5701a8e9b8d694f1153562ff427c7c997b4f1bc0ab5b20c99f02d
MD5 0798f65d82d770ad1c28eeac9cd2cc7a
SHA1 9a17fa07170112b8bf910247036ac5fa46430822
SHA512 c752d298b3894baa138e8ea8ceffa8fba2dca69fbd588fdb48d3b6d7f11391bd277e8b55bc0296ee324a4256c5fce7e22a1d2f166d134eb81944b27a5bfe2cf9
MD5 SHA1 SHA512

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tmpE823.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpE823.tmp
Size 1KB
SHA256 6abae7707b06e52b58f537b335e367cc54b093e899d78f16e94ceaf7ceafca52
MD5 a246b3561d823177f3586e629f144233
SHA1 0f05d12e55a1d2e5e6a4f307c193882fba093315
SHA512 4246aa9a96331e2c7e36b37fa778e31ecae055c77164e0dc673aa50cdec368f08d356ab06ef1a4540816c474828048ab1bebed7e211a4eb929f2918e1fac9c6d
MD5 SHA1 SHA512

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memory/1272-133-0x0000000073250000-0x0000000073801000-memory.dmp

Download

memory/1272-138-0x0000000073250000-0x0000000073801000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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