nanocore | f9e386914a47b738dcfe89fadf3021be00c2dfe8824d8326ea79fcd79d3673cc

General

Target
6e3084b046715dd83bedaedfdcbdfd1a.exe
Size 1.1MB
Sample200902-3naw2ke8he
SHA256 f9e386914a47b738dcfe89fadf3021be00c2dfe8824d8326ea79fcd79d3673cc
MD5 6e3084b046715dd83bedaedfdcbdfd1a
SHA1 d0984cbf0ad371e718957daf30485f0ee0d60e57
SHA512 0aa0d13c19488a73108353ff6e45903e65e09575e29826f2214d0ad31dc2e6a4e99b8b2af7c5885dfd79a9ce9c65c81a4127e744c3138437c91836ed77663439
MD5 SHA1 SHA512

Score

10^/10

persistence evasion trojan keylogger stealer spyware nanocore

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

stronggods.ddns.net:7590
79.134.225.111:7590

Mutex

0359362f-c339-46a6-a34c-92ea0f9ff7e7

Attributes

activate_away_mode
false
backup_connection_host
79.134.225.111
backup_dns_server
buffer_size
65538
build_time
2020-03-26T10:57:14.441683436Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
false
clear_zone_identifier
false
connect_delay
4000
connection_port
7590
default_group
Benson
enable_debug_mode
true
gc_threshold
1.0485772e+07
keep_alive_timeout
30000
keyboard_logging
false
lan_timeout
2500
max_packet_size
1.0485772e+07
mutex
0359362f-c339-46a6-a34c-92ea0f9ff7e7
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
stronggods.ddns.net
primary_dns_server
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
false
set_critical_process
false
timeout_interval
5000
use_custom_dns_server
false
version
1.2.2.0
wan_timeout
8009

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
3876	xiklhd.pif
1812	RegSvcs.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	xiklhd.pif
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Chrome = "c:\\85110179\\xiklhd.pif c:\\85110179\\qctgqrbl.dpn"	xiklhd.pif
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\AutoUpdate = "c:\\85110179\\Update.vbs"	xiklhd.pif
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\IMAP Service = "C:\\Program Files (x86)\\IMAP Service\\imapsv.exe"	RegSvcs.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	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3876 set thread context of 1812	3876	xiklhd.pif	76

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\IMAP Service\imapsv.exe	RegSvcs.exe
File created	C:\Program Files (x86)\IMAP Service\imapsv.exe	RegSvcs.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\ServiceProfiles\LocalService\winhttp\cachev3.dat	svchost.exe

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
1460	schtasks.exe
2572	schtasks.exe

Modifies data under HKEY_USERS 5 IoCs

description	ioc	Process
Set value (data)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7\WpadDecisionTime = d37e22f13481d601	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7\WpadDecision = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad	svchost.exe
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\0e-3e-6f-2c-c8-c7\WpadDecisionReason = "1"	svchost.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
1812	RegSvcs.exe
1812	RegSvcs.exe
1812	RegSvcs.exe
1812	RegSvcs.exe
1812	RegSvcs.exe
1812	RegSvcs.exe
1812	RegSvcs.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1812	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2200	svchost.exe
Token: SeCreatePagefilePrivilege	2200	svchost.exe
Token: SeDebugPrivilege	1812	RegSvcs.exe
Token: SeDebugPrivilege	1812	RegSvcs.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2884 wrote to memory of 3876	2884	6e3084b046715dd83bedaedfdcbdfd1a.exe	72
PID 2884 wrote to memory of 3876	2884	6e3084b046715dd83bedaedfdcbdfd1a.exe	72
PID 2884 wrote to memory of 3876	2884	6e3084b046715dd83bedaedfdcbdfd1a.exe	72
PID 3876 wrote to memory of 1812	3876	xiklhd.pif	76
PID 3876 wrote to memory of 1812	3876	xiklhd.pif	76
PID 3876 wrote to memory of 1812	3876	xiklhd.pif	76
PID 3876 wrote to memory of 1812	3876	xiklhd.pif	76
PID 3876 wrote to memory of 1812	3876	xiklhd.pif	76
PID 1812 wrote to memory of 1460	1812	RegSvcs.exe	78
PID 1812 wrote to memory of 1460	1812	RegSvcs.exe	78
PID 1812 wrote to memory of 1460	1812	RegSvcs.exe	78
PID 1812 wrote to memory of 2572	1812	RegSvcs.exe	80
PID 1812 wrote to memory of 2572	1812	RegSvcs.exe	80
PID 1812 wrote to memory of 2572	1812	RegSvcs.exe	80

C:\Users\Admin\AppData\Local\Temp\6e3084b046715dd83bedaedfdcbdfd1a.exe
"C:\Users\Admin\AppData\Local\Temp\6e3084b046715dd83bedaedfdcbdfd1a.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2884
- C:\85110179\xiklhd.pif
  "C:\85110179\xiklhd.pif" qctgqrbl.dpn
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:3876
- - C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe
    "C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe"
    3⤵
    - 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:1812
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "IMAP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp754.tmp"
      4⤵
      Creates scheduled task(s)
      PID:1460
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "IMAP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp978.tmp"
      4⤵
      Creates scheduled task(s)
      PID:2572

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -s WinHttpAutoProxySvc
1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
- Suspicious use of AdjustPrivilegeToken
PID:2200

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

memory/1812-15-0x0000000005600000-0x0000000005601000-memory.dmp

Download

memory/1812-12-0x0000000073900000-0x0000000073FEE000-memory.dmp

Download

memory/1812-26-0x0000000006200000-0x0000000006203000-memory.dmp

Download

memory/1812-16-0x00000000051E0000-0x00000000051E1000-memory.dmp

Download

memory/1812-17-0x0000000005320000-0x0000000005321000-memory.dmp

Download

memory/1812-18-0x0000000005280000-0x0000000005281000-memory.dmp

Download

memory/1812-11-0x0000000072B70000-0x0000000072C03000-memory.dmp

Download

memory/1812-7-0x0000000000500000-0x0000000000BF7000-memory.dmp

Download

memory/1812-25-0x00000000061D0000-0x00000000061E9000-memory.dmp

Download

memory/1812-24-0x00000000061C0000-0x00000000061C6000-memory.dmp

Download

memory/1812-23-0x0000000005300000-0x0000000005305000-memory.dmp

Download

memory/3876-4-0x0000000072B70000-0x0000000072C03000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads