nanocore | ca3e131ecb0831f2bb629aea2398aa5a2a04a64f752429e69052b3f8d6eef3fb

General

Target

DOC_03948885783893849293749320039854308489430928347594387484930948.exe
Size

482KB
MD5

fba99a303725b793630211678e8c539c
SHA1

151fcde564166f5b3823e02ecf18f03a1039046b
SHA256

08d6b4e4eb0b60fcd3eb8461fdc566b05b57bbe93a1fb494d7bfd46e0561902b
SHA512

a6e6de36d3814de17d37eddc1ed0cc198a9532ca00fdbfbb66e6989ab6a0ba5dddb70ea20612e17f1c19e51df1a85d088b118f38b467b266cc0c6df43e9e2f8a
SSDEEP

12288:CstO2acTaulCSRO6EzPrdta84FzOZ7Ygx4:CsXLTESRWoiagx4

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

prime1.zapto.org:8885

Mutex

fffba83e-6ee4-4015-9987-2c220e55ca1c

Attributes

activate_away_mode
true
backup_connection_host
prime1.zapto.org
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2020-02-16T12:30:42.941919436Z
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
8885
default_group
billion$
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
fffba83e-6ee4-4015-9987-2c220e55ca1c
mutex_timeout
5015
prevent_system_sleep
true
primary_connection_host
prime1.zapto.org
primary_dns_server
8.8.8.8
request_elevation
true
restart_delay
4997
run_delay
0
run_on_startup
false
set_critical_process
true
timeout_interval
5009
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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

DOC_03948885783893849293749320039854308489430928347594387484930948.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\DDP Subsystem = "C:\\Program Files (x86)\\DDP Subsystem\\ddpss.exe"	DOC_03948885783893849293749320039854308489430928347594387484930948.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

DOC_03948885783893849293749320039854308489430928347594387484930948.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	DOC_03948885783893849293749320039854308489430928347594387484930948.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

DOC_03948885783893849293749320039854308489430928347594387484930948.exe

description	pid	process	target process
PID 1772 set thread context of 2104	1772	DOC_03948885783893849293749320039854308489430928347594387484930948.exe	DOC_03948885783893849293749320039854308489430928347594387484930948.exe

Drops file in Program Files directory 2 IoCs

Processes:

DOC_03948885783893849293749320039854308489430928347594387484930948.exe

description	ioc	process
File opened for modification	C:\Program Files (x86)\DDP Subsystem\ddpss.exe	DOC_03948885783893849293749320039854308489430928347594387484930948.exe
File created	C:\Program Files (x86)\DDP Subsystem\ddpss.exe	DOC_03948885783893849293749320039854308489430928347594387484930948.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 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exeschtasks.exeschtasks.exe

pid process

2712 schtasks.exe
2456 schtasks.exe
2852 schtasks.exe

pid	process
2712	schtasks.exe
2456	schtasks.exe
2852	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

DOC_03948885783893849293749320039854308489430928347594387484930948.exeDOC_03948885783893849293749320039854308489430928347594387484930948.exe

pid	process
1772	DOC_03948885783893849293749320039854308489430928347594387484930948.exe
2104	DOC_03948885783893849293749320039854308489430928347594387484930948.exe
2104	DOC_03948885783893849293749320039854308489430928347594387484930948.exe
2104	DOC_03948885783893849293749320039854308489430928347594387484930948.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

DOC_03948885783893849293749320039854308489430928347594387484930948.exe

pid process

2104 DOC_03948885783893849293749320039854308489430928347594387484930948.exe

pid	process
2104	DOC_03948885783893849293749320039854308489430928347594387484930948.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

DOC_03948885783893849293749320039854308489430928347594387484930948.exeDOC_03948885783893849293749320039854308489430928347594387484930948.exe

description	pid	process
Token: SeDebugPrivilege	1772	DOC_03948885783893849293749320039854308489430928347594387484930948.exe
Token: SeDebugPrivilege	2104	DOC_03948885783893849293749320039854308489430928347594387484930948.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

DOC_03948885783893849293749320039854308489430928347594387484930948.exeDOC_03948885783893849293749320039854308489430928347594387484930948.exe

description	pid	process	target process
PID 1772 wrote to memory of 2712	1772	DOC_03948885783893849293749320039854308489430928347594387484930948.exe	schtasks.exe
PID 1772 wrote to memory of 2712	1772	DOC_03948885783893849293749320039854308489430928347594387484930948.exe	schtasks.exe
PID 1772 wrote to memory of 2712	1772	DOC_03948885783893849293749320039854308489430928347594387484930948.exe	schtasks.exe
PID 1772 wrote to memory of 2712	1772	DOC_03948885783893849293749320039854308489430928347594387484930948.exe	schtasks.exe
PID 1772 wrote to memory of 2104	1772	DOC_03948885783893849293749320039854308489430928347594387484930948.exe	DOC_03948885783893849293749320039854308489430928347594387484930948.exe
PID 1772 wrote to memory of 2104	1772	DOC_03948885783893849293749320039854308489430928347594387484930948.exe	DOC_03948885783893849293749320039854308489430928347594387484930948.exe
PID 1772 wrote to memory of 2104	1772	DOC_03948885783893849293749320039854308489430928347594387484930948.exe	DOC_03948885783893849293749320039854308489430928347594387484930948.exe
PID 1772 wrote to memory of 2104	1772	DOC_03948885783893849293749320039854308489430928347594387484930948.exe	DOC_03948885783893849293749320039854308489430928347594387484930948.exe
PID 1772 wrote to memory of 2104	1772	DOC_03948885783893849293749320039854308489430928347594387484930948.exe	DOC_03948885783893849293749320039854308489430928347594387484930948.exe
PID 1772 wrote to memory of 2104	1772	DOC_03948885783893849293749320039854308489430928347594387484930948.exe	DOC_03948885783893849293749320039854308489430928347594387484930948.exe
PID 1772 wrote to memory of 2104	1772	DOC_03948885783893849293749320039854308489430928347594387484930948.exe	DOC_03948885783893849293749320039854308489430928347594387484930948.exe
PID 1772 wrote to memory of 2104	1772	DOC_03948885783893849293749320039854308489430928347594387484930948.exe	DOC_03948885783893849293749320039854308489430928347594387484930948.exe
PID 1772 wrote to memory of 2104	1772	DOC_03948885783893849293749320039854308489430928347594387484930948.exe	DOC_03948885783893849293749320039854308489430928347594387484930948.exe
PID 2104 wrote to memory of 2456	2104	DOC_03948885783893849293749320039854308489430928347594387484930948.exe	schtasks.exe
PID 2104 wrote to memory of 2456	2104	DOC_03948885783893849293749320039854308489430928347594387484930948.exe	schtasks.exe
PID 2104 wrote to memory of 2456	2104	DOC_03948885783893849293749320039854308489430928347594387484930948.exe	schtasks.exe
PID 2104 wrote to memory of 2456	2104	DOC_03948885783893849293749320039854308489430928347594387484930948.exe	schtasks.exe
PID 2104 wrote to memory of 2852	2104	DOC_03948885783893849293749320039854308489430928347594387484930948.exe	schtasks.exe
PID 2104 wrote to memory of 2852	2104	DOC_03948885783893849293749320039854308489430928347594387484930948.exe	schtasks.exe
PID 2104 wrote to memory of 2852	2104	DOC_03948885783893849293749320039854308489430928347594387484930948.exe	schtasks.exe
PID 2104 wrote to memory of 2852	2104	DOC_03948885783893849293749320039854308489430928347594387484930948.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\DOC_03948885783893849293749320039854308489430928347594387484930948.exe
"C:\Users\Admin\AppData\Local\Temp\DOC_03948885783893849293749320039854308489430928347594387484930948.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1772

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\dlBkmtCuqK" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8D9F.tmp"
2⤵
- Creates scheduled task(s)
PID:2712

C:\Users\Admin\AppData\Local\Temp\DOC_03948885783893849293749320039854308489430928347594387484930948.exe
"{path}"
2⤵
- 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:2104

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DDP Subsystem" /xml "C:\Users\Admin\AppData\Local\Temp\tmp8F06.tmp"
3⤵
- Creates scheduled task(s)
PID:2456

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "DDP Subsystem Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp8FA3.tmp"
3⤵
- Creates scheduled task(s)
PID:2852

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp8D9F.tmp
Filesize
1KB

MD5
0d9c6d813606da1e27e6e1321bf38549

SHA1
0f5418837788cc1bf89249bd75cf70bc00009791

SHA256
2f4daaa1d65d9a2b5ab66fae9bb5393676db8a25f0beeae00dcb668075e7358f

SHA512
39bffd2fa082c6d7456bfb6643ea9d4f0f5752d36767e7f54bbb747b4c68369d0e4f4b5d88808a46b402247c2a53dd01d02e3aaff1994de54f82038c69da1797

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp8F06.tmp
Filesize
1KB

MD5
4ee3367eff3b4507d07e7b5c0d4eadd6

SHA1
14a093f6fd1c9afa060f0dac44a6644926134ceb

SHA256
e1cd1cc98effee897e8f9faede59d24e1154cd9062eec440292727637bf020f8

SHA512
c36267b14e3ec0f176f6e203f7db4914e3ec850f0173dba4283b5c657ea827a19f4feab7854f06b86369b021684516073fa0e483cf457a73247bded2bb18e3dc

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp8FA3.tmp
Filesize
1KB

MD5
8e2d5fba24ae8a54087d8e6cadc188c1

SHA1
548555025543b4773b8f36301f5fa5003e1c85dc

SHA256
f8a3739cca23897792b42a11a21adcce745201fa19f8d84ec66a6e0c5e519759

SHA512
9246583d7b08152cd73dc40254013e1ae4b8c93603dbb1f4e6b82624e14b134c59de6c8039b588f14075602768a388121e985f886322ae5fb9ec2eee94d4ea3d

Download Submit
memory/1772-5-0x0000000001FF0000-0x0000000002030000-memory.dmp

Filesize
256KB

Download
memory/1772-2-0x0000000074A90000-0x000000007517E000-memory.dmp

Filesize
6.9MB

Download
memory/1772-1-0x0000000000B70000-0x0000000000BEE000-memory.dmp

Filesize
504KB

Download
memory/1772-3-0x00000000002B0000-0x00000000002B8000-memory.dmp

Filesize
32KB

Download
memory/1772-30-0x0000000074A90000-0x000000007517E000-memory.dmp

Filesize
6.9MB

Download
memory/1772-4-0x0000000074A90000-0x000000007517E000-memory.dmp

Filesize
6.9MB

Download
memory/1772-0-0x0000000074A9E000-0x0000000074A9F000-memory.dmp

Filesize
4KB

Download
memory/2104-15-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2104-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2104-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2104-9-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2104-10-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2104-17-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2104-19-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2104-27-0x0000000000610000-0x000000000061A000-memory.dmp

Filesize
40KB

Download
memory/2104-28-0x0000000000620000-0x000000000063E000-memory.dmp

Filesize
120KB

Download
memory/2104-29-0x00000000006C0000-0x00000000006CA000-memory.dmp

Filesize
40KB

Download
memory/2104-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads