nanocore | be52c5b731ca76d79a1a4b6dd0c606f0403c8221d5efa2b98f77ca525ae98158

Analysis

max time kernel
152s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
09/05/2024, 12:35

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General

Target
29ff7c6a6e017c6bc379a8ca67ff9a08_JaffaCakes118.exe
Size 318KB
Sample240509-psth7scf88
SHA256 be52c5b731ca76d79a1a4b6dd0c606f0403c8221d5efa2b98f77ca525ae98158
MD5 29ff7c6a6e017c6bc379a8ca67ff9a08
SHA1 4dd263fa9771be702a93ed5b2261461a828c437c
SHA512 600e68ff188eb34e7fabb8b2e3b3beb3930b657adc88d7858f548d8bfedd09ec665673816edcbcf02992e152a74b9ce524e05b364d830cfa46662d9517371b8e
SSDEEP 6144:EtoT1WBZITwOlrZ7x/dR5YF/JWaCSEPBUuCuyeHXHVob6n0h1NHkP:EtomZsxlN7x/dIF/JWBfyOXHVx0h1NHq
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

nanocore keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

xcarfini.ddns.net:6060
91.192.100.6:6060

Mutex

2b3bd215-bc1e-4b98-be03-c1c9a193f4df

Attributes

activate_away_mode
true
backup_connection_host
91.192.100.6
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2018-05-12T21:14:53.706055636Z
bypass_user_account_control
false
bypass_user_account_control_data
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
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
6060
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
2b3bd215-bc1e-4b98-be03-c1c9a193f4df
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
xcarfini.ddns.net
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

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-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	29ff7c6a6e017c6bc379a8ca67ff9a08_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\SMTP Subsystem = "C:\\Program Files (x86)\\SMTP Subsystem\\smtpss.exe"	installutil.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2932 set thread context of 4676	2932	installutil.exe	104

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\SMTP Subsystem\smtpss.exe	installutil.exe
File opened for modification	C:\Program Files (x86)\SMTP Subsystem\smtpss.exe	installutil.exe

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

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/Job

T1053

pid	Process
2948	schtasks.exe
4448	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2932	installutil.exe
2932	installutil.exe
4676	installutil.exe
4676	installutil.exe
4676	installutil.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2932	installutil.exe
Token: SeDebugPrivilege	4676	installutil.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 3152 wrote to memory of 2932	3152	29ff7c6a6e017c6bc379a8ca67ff9a08_JaffaCakes118.exe	96
PID 3152 wrote to memory of 2932	3152	29ff7c6a6e017c6bc379a8ca67ff9a08_JaffaCakes118.exe	96
PID 3152 wrote to memory of 2932	3152	29ff7c6a6e017c6bc379a8ca67ff9a08_JaffaCakes118.exe	96
PID 2932 wrote to memory of 4676	2932	installutil.exe	104
PID 2932 wrote to memory of 4676	2932	installutil.exe	104
PID 2932 wrote to memory of 4676	2932	installutil.exe	104
PID 2932 wrote to memory of 4676	2932	installutil.exe	104
PID 2932 wrote to memory of 4676	2932	installutil.exe	104
PID 2932 wrote to memory of 4676	2932	installutil.exe	104
PID 2932 wrote to memory of 4676	2932	installutil.exe	104
PID 2932 wrote to memory of 4676	2932	installutil.exe	104
PID 4676 wrote to memory of 2948	4676	installutil.exe	105
PID 4676 wrote to memory of 2948	4676	installutil.exe	105
PID 4676 wrote to memory of 2948	4676	installutil.exe	105
PID 4676 wrote to memory of 4448	4676	installutil.exe	107
PID 4676 wrote to memory of 4448	4676	installutil.exe	107
PID 4676 wrote to memory of 4448	4676	installutil.exe	107

C:\Users\Admin\AppData\Local\Temp\29ff7c6a6e017c6bc379a8ca67ff9a08_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\29ff7c6a6e017c6bc379a8ca67ff9a08_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3152
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe" /logtoconsole=false /logfile= /u "C:\Users\Admin\AppData\Local\Temp\29ff7c6a6e017c6bc379a8ca67ff9a08_JaffaCakes118.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2932
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"
    3⤵
    - Adds Run key to start application
    - Drops file in Program Files directory
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4676
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "SMTP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp13C8.tmp"
      4⤵
      Creates scheduled task(s)
      PID:2948
  - - C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "SMTP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp21C3.tmp"
      4⤵
      Creates scheduled task(s)
      PID:4448

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3736 --field-trial-handle=2276,i,11674642242468042059,14711253743544118298,262144 --variations-seed-version /prefetch:8
1⤵
PID:4348

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

installutil.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\installutil.exe.log
Size 1KB
SHA256 47a41d43257d9d323c83606aa2c49832f458624e018fcd29c67e452cd8c49029
MD5 c7b95e5f692958978a8d6a979d74f6c8
SHA1 fed2d45865370bcafb126ca5ac997f7aeeb8834e
SHA512 227e9bfde31acabc6813e822af62bc5975f852d98f95be266e1f23257b4fb5440f9457cbf0d2e82baf2a32ad4559aee4812857a4235aabe7f112ece5619bfbd8
MD5 SHA1 SHA512

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tmp13C8.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp13C8.tmp
Size 1KB
SHA256 a70ecf3ff49b4e8645e9c0ba4d4eea3e1b1aeb993210582f1a1acd4ad06d2b8e
MD5 2ae3671075da34a533fb3c7a585d0c93
SHA1 7c1621de0a7971bd8d662b8fe1bb3e26fb67d574
SHA512 899aee5743570e502b48b263a76b3abcd80267fe4323ec963ec2695419fe0b13404fe1bb6991643acf8487623d4cec580fc80f94f65b0ec3c7dd7d5555626bf7
MD5 SHA1 SHA512

Submit Download

tmp21C3.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp21C3.tmp
Size 1KB
SHA256 3d568a47a8944a47f4aed6982755ac7ff7dda469cc1c81c213ecaa5d89de1f83
MD5 0339b45ef206f4becc88be0d65e24b9e
SHA1 6503a1851f4ccd8c80a31f96bd7ae40d962c9fad
SHA512 c98f4513db34d50510dd986e0d812545c442bd5bef26932032b165759627fab4e00c95fe907ab3416a8a1042bfa77aa516c479f1ff7d1ec2f21ae66df8f72551
MD5 SHA1 SHA512

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memory/2932-17-0x0000000005410000-0x0000000005458000-memory.dmp

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memory/2932-13-0x0000000005370000-0x000000000540C000-memory.dmp

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memory/2932-24-0x00000000720F0000-0x00000000728A0000-memory.dmp

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memory/2932-18-0x00000000082C0000-0x0000000008302000-memory.dmp

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memory/2932-8-0x00000000720FE000-0x00000000720FF000-memory.dmp

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memory/2932-9-0x00000000008D0000-0x00000000008DC000-memory.dmp

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memory/2932-10-0x0000000002D80000-0x0000000002D9A000-memory.dmp

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memory/2932-11-0x0000000005270000-0x00000000052C6000-memory.dmp

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memory/2932-12-0x00000000720F0000-0x00000000728A0000-memory.dmp

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memory/2932-19-0x00000000720F0000-0x00000000728A0000-memory.dmp

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memory/2932-14-0x00000000059C0000-0x0000000005F64000-memory.dmp

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memory/2932-15-0x00000000720FE000-0x00000000720FF000-memory.dmp

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memory/2932-16-0x00000000054B0000-0x0000000005542000-memory.dmp

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memory/3152-0-0x00000000750F2000-0x00000000750F3000-memory.dmp

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memory/3152-4-0x00000000750F0000-0x00000000756A1000-memory.dmp

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memory/3152-7-0x00000000750F0000-0x00000000756A1000-memory.dmp

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memory/3152-1-0x00000000750F0000-0x00000000756A1000-memory.dmp

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memory/3152-3-0x00000000750F2000-0x00000000750F3000-memory.dmp

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memory/3152-2-0x00000000750F0000-0x00000000756A1000-memory.dmp

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memory/3152-5-0x00000000750F0000-0x00000000756A1000-memory.dmp

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memory/4676-25-0x00000000005C0000-0x00000000005F8000-memory.dmp

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memory/4676-26-0x00000000720F0000-0x00000000728A0000-memory.dmp

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memory/4676-20-0x0000000000400000-0x0000000000420000-memory.dmp

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memory/4676-23-0x00000000720F0000-0x00000000728A0000-memory.dmp

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memory/4676-27-0x0000000004B80000-0x0000000004B8A000-memory.dmp

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memory/4676-35-0x0000000004C50000-0x0000000004C5A000-memory.dmp

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memory/4676-36-0x0000000004E00000-0x0000000004E1E000-memory.dmp

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memory/4676-37-0x0000000005170000-0x000000000517A000-memory.dmp

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memory/4676-38-0x00000000720F0000-0x00000000728A0000-memory.dmp

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memory/4676-39-0x00000000720F0000-0x00000000728A0000-memory.dmp

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