nanocore | 6a7045cccb222af55aa8425e4ed2e03702be0330f1694558385941463cde98b1

Analysis

max time kernel
148s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
16/04/2024, 20:04

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General

Target
f439ba7e42c8f643adcbe72a3c744054_JaffaCakes118.exe
Size 982KB
Sample240416-ytbjfsbc65
SHA256 6a7045cccb222af55aa8425e4ed2e03702be0330f1694558385941463cde98b1
MD5 f439ba7e42c8f643adcbe72a3c744054
SHA1 c8d58396ce49078d5c5d5b0511ee132480404d1d
SHA512 11d62ec7f8b447cacef04c5b05739491b280f5c7aafbac64ff251e309fbf6b9f1c172c4cc7e7048ab2da8674052d98aa42621efc9e3641fc0d370a9553cce229
SSDEEP 12288:gtl9Dc9F3nC0Py3gAh1EJbjJEKcMU/H6OZE1eWmDF/akh0hefrgHvDkUx5skTX8P:MMUP6mE12hCu0he0PAc/TDxqMa
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

nanocore keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

sobe123.ddns.net:5656
127.0.0.1:5656

Mutex

8a1be7ed-1b25-4346-8844-80b424a6856e

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-05-14T20:49:02.304193536Z
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
5656
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
8a1be7ed-1b25-4346-8844-80b424a6856e
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
sobe123.ddns.net
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
5024
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	f439ba7e42c8f643adcbe72a3c744054_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 772 set thread context of 3308	772	f439ba7e42c8f643adcbe72a3c744054_JaffaCakes118.exe	102

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
2520	schtasks.exe
4544	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
772	f439ba7e42c8f643adcbe72a3c744054_JaffaCakes118.exe
3308	MSBuild.exe
3308	MSBuild.exe
3308	MSBuild.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3308	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	772	f439ba7e42c8f643adcbe72a3c744054_JaffaCakes118.exe
Token: SeDebugPrivilege	3308	MSBuild.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 772 wrote to memory of 2520	772	f439ba7e42c8f643adcbe72a3c744054_JaffaCakes118.exe	100
PID 772 wrote to memory of 2520	772	f439ba7e42c8f643adcbe72a3c744054_JaffaCakes118.exe	100
PID 772 wrote to memory of 2520	772	f439ba7e42c8f643adcbe72a3c744054_JaffaCakes118.exe	100
PID 772 wrote to memory of 3308	772	f439ba7e42c8f643adcbe72a3c744054_JaffaCakes118.exe	102
PID 772 wrote to memory of 3308	772	f439ba7e42c8f643adcbe72a3c744054_JaffaCakes118.exe	102
PID 772 wrote to memory of 3308	772	f439ba7e42c8f643adcbe72a3c744054_JaffaCakes118.exe	102
PID 772 wrote to memory of 3308	772	f439ba7e42c8f643adcbe72a3c744054_JaffaCakes118.exe	102
PID 772 wrote to memory of 3308	772	f439ba7e42c8f643adcbe72a3c744054_JaffaCakes118.exe	102
PID 772 wrote to memory of 3308	772	f439ba7e42c8f643adcbe72a3c744054_JaffaCakes118.exe	102
PID 772 wrote to memory of 3308	772	f439ba7e42c8f643adcbe72a3c744054_JaffaCakes118.exe	102
PID 772 wrote to memory of 3308	772	f439ba7e42c8f643adcbe72a3c744054_JaffaCakes118.exe	102
PID 3308 wrote to memory of 4544	3308	MSBuild.exe	103
PID 3308 wrote to memory of 4544	3308	MSBuild.exe	103
PID 3308 wrote to memory of 4544	3308	MSBuild.exe	103

C:\Users\Admin\AppData\Local\Temp\f439ba7e42c8f643adcbe72a3c744054_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f439ba7e42c8f643adcbe72a3c744054_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:772
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\EhhxOmbojoO" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD126.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2520
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3308
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "SMTP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmpDA9C.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:4544

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=4076 --field-trial-handle=2900,i,14549994492153927475,12895178890800740987,262144 --variations-seed-version /prefetch:8
1⤵
PID:1388

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

tmpD126.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpD126.tmp
Size 1KB
SHA256 68646c5be853bef6613100cf11d319e9854b3c94570c21e6648ee861ac04ce65
MD5 bff0400f00bfe9ce43c9745f64161214
SHA1 3df6f99605ed8024f3e14e30cee99f71fe719754
SHA512 35c79a22a174aa0b4705805317b0e079e8b29046fe491767d78f125ad611313993976bd779fefe9338bf4801f191b0820d230165411bf580e623a18255ff41e0
MD5 SHA1 SHA512

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tmpDA9C.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmpDA9C.tmp
Size 1KB
SHA256 108be30aeb8eb31c185a39a6726f26dacbc4e4124951c61a29ade4b7038c71ea
MD5 3e2b26ed8b75ae83a269595180e84ef6
SHA1 d30a0335fcce406bca8ba5764288235e6192f608
SHA512 b6981c68fcb886cc8379a068b96931b9d4f5cc5aa9bdc467e36c4168fe6c5273a2a84d8850b12c11703ec03ac6b1f1950d1e669efcb59fc2402ce4bba9dc03d3
MD5 SHA1 SHA512

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memory/772-6-0x0000000005280000-0x000000000528A000-memory.dmp

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memory/772-10-0x0000000006FB0000-0x0000000007056000-memory.dmp

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memory/772-4-0x00000000053E0000-0x000000000547C000-memory.dmp

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memory/772-5-0x00000000052A0000-0x00000000052B0000-memory.dmp

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memory/772-0-0x0000000074F00000-0x00000000756B0000-memory.dmp

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memory/772-7-0x00000000055B0000-0x00000000055C8000-memory.dmp

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memory/772-8-0x0000000074F00000-0x00000000756B0000-memory.dmp

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memory/772-1-0x00000000007E0000-0x00000000008DC000-memory.dmp

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memory/772-20-0x0000000074F00000-0x00000000756B0000-memory.dmp

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memory/772-11-0x00000000095C0000-0x00000000095F8000-memory.dmp

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memory/772-3-0x00000000052C0000-0x0000000005352000-memory.dmp

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memory/772-2-0x0000000005990000-0x0000000005F34000-memory.dmp

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memory/772-9-0x00000000052A0000-0x00000000052B0000-memory.dmp

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memory/3308-17-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/3308-21-0x00000000059C0000-0x00000000059D0000-memory.dmp

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memory/3308-19-0x0000000074F00000-0x00000000756B0000-memory.dmp

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memory/3308-26-0x0000000005710000-0x000000000571A000-memory.dmp

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memory/3308-27-0x0000000005D10000-0x0000000005D2E000-memory.dmp

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memory/3308-28-0x0000000006850000-0x000000000685A000-memory.dmp

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memory/3308-29-0x00000000059C0000-0x00000000059D0000-memory.dmp

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memory/3308-30-0x0000000074F00000-0x00000000756B0000-memory.dmp

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memory/3308-31-0x00000000059C0000-0x00000000059D0000-memory.dmp

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memory/3308-32-0x00000000059C0000-0x00000000059D0000-memory.dmp

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