nanocore | 60736642b3c21361fb3aab74bd57a05a2f1f13f5b19fb7c970466bddafd4925f

Analysis

max time kernel
146s
max time network
153s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
30/03/2024, 10:59

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General

Target
3ab4567f554b6bb6b7d042e79f8ff20d_JaffaCakes118.exe
Size 329KB
Sample240330-m3mgjaed49
SHA256 60736642b3c21361fb3aab74bd57a05a2f1f13f5b19fb7c970466bddafd4925f
MD5 3ab4567f554b6bb6b7d042e79f8ff20d
SHA1 2665f3b61b3689358350b6b1c4133d8c85659280
SHA512 c357a5cce8ebcf195bcaa0e43e201181a74d3e408a13903eacc896ec8fed8ac940dffb32b64f755e4089d0062edbf8961472d012bb3c36361c2acc856c39c76e
SSDEEP 6144:k7rV+JJ8CsHamG5g8fEysBRZunvVZXP/0i1jxDBAQ+KM+yrvdpYiwOeJ+32Qh:srV+z8BIRMBRZ6VhXfjjO+yzPwbJ0
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

nanocore evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

quasbackup2017.mywire.org:3847
127.0.0.1:3847

Mutex

decc4a5c-f17e-4e9c-a7cb-718ee9a997be

Attributes

activate_away_mode
true
backup_connection_host
127.0.0.1
backup_dns_server
127.0.0.1
buffer_size
65535
build_time
2017-05-14T07:16:35.737114036Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
true
connect_delay
4000
connection_port
3847
default_group
shaw click
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
decc4a5c-f17e-4e9c-a7cb-718ee9a997be
mutex_timeout
5000
prevent_system_sleep
true
primary_connection_host
quasbackup2017.mywire.org
primary_dns_server
quasbackup2017.mywire.org
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
true
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

Drops startup file 3 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app.exe	3ab4567f554b6bb6b7d042e79f8ff20d_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app.exe	3ab4567f554b6bb6b7d042e79f8ff20d_JaffaCakes118.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app.lnk	3ab4567f554b6bb6b7d042e79f8ff20d_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
1092	app.exe
2844	app.exe

Loads dropped DLL 3 IoCs

pid	Process
1040	3ab4567f554b6bb6b7d042e79f8ff20d_JaffaCakes118.exe
1040	3ab4567f554b6bb6b7d042e79f8ff20d_JaffaCakes118.exe
2664	dw20.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	app.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1092 set thread context of 2844	1092	app.exe	29

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1092	app.exe
1092	app.exe
1092	app.exe
2844	app.exe
2844	app.exe
2844	app.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2844	app.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1040	3ab4567f554b6bb6b7d042e79f8ff20d_JaffaCakes118.exe
Token: SeDebugPrivilege	1092	app.exe
Token: SeDebugPrivilege	2844	app.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1040	3ab4567f554b6bb6b7d042e79f8ff20d_JaffaCakes118.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
1040	3ab4567f554b6bb6b7d042e79f8ff20d_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1040 wrote to memory of 1092	1040	3ab4567f554b6bb6b7d042e79f8ff20d_JaffaCakes118.exe	28
PID 1040 wrote to memory of 1092	1040	3ab4567f554b6bb6b7d042e79f8ff20d_JaffaCakes118.exe	28
PID 1040 wrote to memory of 1092	1040	3ab4567f554b6bb6b7d042e79f8ff20d_JaffaCakes118.exe	28
PID 1040 wrote to memory of 1092	1040	3ab4567f554b6bb6b7d042e79f8ff20d_JaffaCakes118.exe	28
PID 1092 wrote to memory of 2844	1092	app.exe	29
PID 1092 wrote to memory of 2844	1092	app.exe	29
PID 1092 wrote to memory of 2844	1092	app.exe	29
PID 1092 wrote to memory of 2844	1092	app.exe	29
PID 1092 wrote to memory of 2664	1092	app.exe	30
PID 1092 wrote to memory of 2664	1092	app.exe	30
PID 1092 wrote to memory of 2664	1092	app.exe	30
PID 1092 wrote to memory of 2664	1092	app.exe	30
PID 1092 wrote to memory of 2844	1092	app.exe	29
PID 1092 wrote to memory of 2844	1092	app.exe	29
PID 1092 wrote to memory of 2844	1092	app.exe	29
PID 1092 wrote to memory of 2844	1092	app.exe	29
PID 1092 wrote to memory of 2844	1092	app.exe	29

C:\Users\Admin\AppData\Local\Temp\3ab4567f554b6bb6b7d042e79f8ff20d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3ab4567f554b6bb6b7d042e79f8ff20d_JaffaCakes118.exe"
1⤵
- Drops startup file
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1040
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1092
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app.exe"
    3⤵
    - Executes dropped EXE
    - Checks whether UAC is enabled
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    PID:2844
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
    dw20.exe -x -s 820
    3⤵
    - Loads dropped DLL
    PID:2664

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

app.exe

Path \Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\app.exe
Size 329KB
SHA256 60736642b3c21361fb3aab74bd57a05a2f1f13f5b19fb7c970466bddafd4925f
MD5 3ab4567f554b6bb6b7d042e79f8ff20d
SHA1 2665f3b61b3689358350b6b1c4133d8c85659280
SHA512 c357a5cce8ebcf195bcaa0e43e201181a74d3e408a13903eacc896ec8fed8ac940dffb32b64f755e4089d0062edbf8961472d012bb3c36361c2acc856c39c76e
SSDEEP 6144:k7rV+JJ8CsHamG5g8fEysBRZunvVZXP/0i1jxDBAQ+KM+yrvdpYiwOeJ+32Qh:srV+z8BIRMBRZ6VhXfjjO+yzPwbJ0
MD5 SHA1 SHA512 SSDEEP

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memory/1040-15-0x0000000074200000-0x00000000747AB000-memory.dmp

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memory/1040-1-0x0000000074200000-0x00000000747AB000-memory.dmp

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memory/1040-2-0x0000000002560000-0x00000000025A0000-memory.dmp

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memory/1040-3-0x0000000002560000-0x00000000025A0000-memory.dmp

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memory/1040-0-0x0000000074200000-0x00000000747AB000-memory.dmp

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memory/1092-28-0x0000000000AE0000-0x0000000000B20000-memory.dmp

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memory/1092-11-0x0000000000AE0000-0x0000000000B20000-memory.dmp

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memory/1092-12-0x0000000074200000-0x00000000747AB000-memory.dmp

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memory/1092-30-0x0000000000AE0000-0x0000000000B20000-memory.dmp

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memory/1092-29-0x0000000074200000-0x00000000747AB000-memory.dmp

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memory/2664-17-0x0000000001D50000-0x0000000001D51000-memory.dmp

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memory/2664-31-0x0000000001D50000-0x0000000001D51000-memory.dmp

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memory/2844-21-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/2844-26-0x0000000074200000-0x00000000747AB000-memory.dmp

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memory/2844-25-0x0000000002370000-0x00000000023B0000-memory.dmp

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memory/2844-24-0x0000000074200000-0x00000000747AB000-memory.dmp

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memory/2844-23-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/2844-18-0x0000000000400000-0x0000000000438000-memory.dmp

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memory/2844-32-0x0000000074200000-0x00000000747AB000-memory.dmp

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memory/2844-33-0x0000000002370000-0x00000000023B0000-memory.dmp

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