nanocore | 8dc7e5c5cb1b7ddcd5d8afeb0e5eb422ac9e0bd09fc4a7ba80bae52967f8a070

General

Target

8dc7e5c5cb1b7ddcd5d8afeb0e5eb422ac9e0bd09fc4a7ba80bae52967f8a070.exe
Size

540KB
MD5

994fdf5ef490b99c578b9ad39e87e801
SHA1

29f799b2c4fe6916d06c358c196fa3ec21814d9b
SHA256

8dc7e5c5cb1b7ddcd5d8afeb0e5eb422ac9e0bd09fc4a7ba80bae52967f8a070
SHA512

2638af26313a2e143d84a67e824c8c0e069a38b3774e9d7d430820b97dcff272000ab10b57f000bb8d0a6e161277b300072641c244be77843ebfab94a3f148fa

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

innocentbooii.hopto.org:55420

194.5.97.82:55420

Mutex

cd80cecf-f131-4e4d-a876-4072cc542585

Attributes

activate_away_mode
false
backup_connection_host
194.5.97.82
backup_dns_server
buffer_size
65538
build_time
2020-07-03T14:09:41.890100036Z
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
55420
default_group
Clickbyfire
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
cd80cecf-f131-4e4d-a876-4072cc542585
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
innocentbooii.hopto.org
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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\SMTP Service = "C:\\Program Files (x86)\\SMTP Service\\smtpsvc.exe"	8dc7e5c5cb1b7ddcd5d8afeb0e5eb422ac9e0bd09fc4a7ba80bae52967f8a070.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	8dc7e5c5cb1b7ddcd5d8afeb0e5eb422ac9e0bd09fc4a7ba80bae52967f8a070.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1408 set thread context of 1604	1408	8dc7e5c5cb1b7ddcd5d8afeb0e5eb422ac9e0bd09fc4a7ba80bae52967f8a070.exe	30

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\SMTP Service\smtpsvc.exe	8dc7e5c5cb1b7ddcd5d8afeb0e5eb422ac9e0bd09fc4a7ba80bae52967f8a070.exe
File opened for modification	C:\Program Files (x86)\SMTP Service\smtpsvc.exe	8dc7e5c5cb1b7ddcd5d8afeb0e5eb422ac9e0bd09fc4a7ba80bae52967f8a070.exe

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

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

T1053

pid	Process
2016	schtasks.exe
1756	schtasks.exe
776	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1604	8dc7e5c5cb1b7ddcd5d8afeb0e5eb422ac9e0bd09fc4a7ba80bae52967f8a070.exe
1604	8dc7e5c5cb1b7ddcd5d8afeb0e5eb422ac9e0bd09fc4a7ba80bae52967f8a070.exe
1604	8dc7e5c5cb1b7ddcd5d8afeb0e5eb422ac9e0bd09fc4a7ba80bae52967f8a070.exe
1604	8dc7e5c5cb1b7ddcd5d8afeb0e5eb422ac9e0bd09fc4a7ba80bae52967f8a070.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1604	8dc7e5c5cb1b7ddcd5d8afeb0e5eb422ac9e0bd09fc4a7ba80bae52967f8a070.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1604	8dc7e5c5cb1b7ddcd5d8afeb0e5eb422ac9e0bd09fc4a7ba80bae52967f8a070.exe
Token: SeDebugPrivilege	1604	8dc7e5c5cb1b7ddcd5d8afeb0e5eb422ac9e0bd09fc4a7ba80bae52967f8a070.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1408 wrote to memory of 2016	1408	8dc7e5c5cb1b7ddcd5d8afeb0e5eb422ac9e0bd09fc4a7ba80bae52967f8a070.exe	28
PID 1408 wrote to memory of 2016	1408	8dc7e5c5cb1b7ddcd5d8afeb0e5eb422ac9e0bd09fc4a7ba80bae52967f8a070.exe	28
PID 1408 wrote to memory of 2016	1408	8dc7e5c5cb1b7ddcd5d8afeb0e5eb422ac9e0bd09fc4a7ba80bae52967f8a070.exe	28
PID 1408 wrote to memory of 2016	1408	8dc7e5c5cb1b7ddcd5d8afeb0e5eb422ac9e0bd09fc4a7ba80bae52967f8a070.exe	28
PID 1408 wrote to memory of 1604	1408	8dc7e5c5cb1b7ddcd5d8afeb0e5eb422ac9e0bd09fc4a7ba80bae52967f8a070.exe	30
PID 1408 wrote to memory of 1604	1408	8dc7e5c5cb1b7ddcd5d8afeb0e5eb422ac9e0bd09fc4a7ba80bae52967f8a070.exe	30
PID 1408 wrote to memory of 1604	1408	8dc7e5c5cb1b7ddcd5d8afeb0e5eb422ac9e0bd09fc4a7ba80bae52967f8a070.exe	30
PID 1408 wrote to memory of 1604	1408	8dc7e5c5cb1b7ddcd5d8afeb0e5eb422ac9e0bd09fc4a7ba80bae52967f8a070.exe	30
PID 1408 wrote to memory of 1604	1408	8dc7e5c5cb1b7ddcd5d8afeb0e5eb422ac9e0bd09fc4a7ba80bae52967f8a070.exe	30
PID 1408 wrote to memory of 1604	1408	8dc7e5c5cb1b7ddcd5d8afeb0e5eb422ac9e0bd09fc4a7ba80bae52967f8a070.exe	30
PID 1408 wrote to memory of 1604	1408	8dc7e5c5cb1b7ddcd5d8afeb0e5eb422ac9e0bd09fc4a7ba80bae52967f8a070.exe	30
PID 1408 wrote to memory of 1604	1408	8dc7e5c5cb1b7ddcd5d8afeb0e5eb422ac9e0bd09fc4a7ba80bae52967f8a070.exe	30
PID 1408 wrote to memory of 1604	1408	8dc7e5c5cb1b7ddcd5d8afeb0e5eb422ac9e0bd09fc4a7ba80bae52967f8a070.exe	30
PID 1604 wrote to memory of 1756	1604	8dc7e5c5cb1b7ddcd5d8afeb0e5eb422ac9e0bd09fc4a7ba80bae52967f8a070.exe	31
PID 1604 wrote to memory of 1756	1604	8dc7e5c5cb1b7ddcd5d8afeb0e5eb422ac9e0bd09fc4a7ba80bae52967f8a070.exe	31
PID 1604 wrote to memory of 1756	1604	8dc7e5c5cb1b7ddcd5d8afeb0e5eb422ac9e0bd09fc4a7ba80bae52967f8a070.exe	31
PID 1604 wrote to memory of 1756	1604	8dc7e5c5cb1b7ddcd5d8afeb0e5eb422ac9e0bd09fc4a7ba80bae52967f8a070.exe	31
PID 1604 wrote to memory of 776	1604	8dc7e5c5cb1b7ddcd5d8afeb0e5eb422ac9e0bd09fc4a7ba80bae52967f8a070.exe	33
PID 1604 wrote to memory of 776	1604	8dc7e5c5cb1b7ddcd5d8afeb0e5eb422ac9e0bd09fc4a7ba80bae52967f8a070.exe	33
PID 1604 wrote to memory of 776	1604	8dc7e5c5cb1b7ddcd5d8afeb0e5eb422ac9e0bd09fc4a7ba80bae52967f8a070.exe	33
PID 1604 wrote to memory of 776	1604	8dc7e5c5cb1b7ddcd5d8afeb0e5eb422ac9e0bd09fc4a7ba80bae52967f8a070.exe	33

C:\Users\Admin\AppData\Local\Temp\8dc7e5c5cb1b7ddcd5d8afeb0e5eb422ac9e0bd09fc4a7ba80bae52967f8a070.exe
"C:\Users\Admin\AppData\Local\Temp\8dc7e5c5cb1b7ddcd5d8afeb0e5eb422ac9e0bd09fc4a7ba80bae52967f8a070.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1408
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FoxiZsVHXln" /XML "C:\Users\Admin\AppData\Local\Temp\tmp51C9.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2016
- C:\Users\Admin\AppData\Local\Temp\8dc7e5c5cb1b7ddcd5d8afeb0e5eb422ac9e0bd09fc4a7ba80bae52967f8a070.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:1604
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "SMTP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp7EE1.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:1756
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "SMTP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpB9EF.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:776

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

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp51C9.tmp

Filesize
1KB

MD5
ecf374011d428d9899eb0838e6699bb8

SHA1
b3876b63a69ba85386afda558c14cb5b727ff7e6

SHA256
525fec2010db3be766ccacb0ded54457ee8f70846b2b3c66ffb6b205ecd1f470

SHA512
7be561dc504e2db72f5b0d0a4727f2ac8945d4b01f7c029c2614353b1071d18be19ee82418bd9a47fdb90b7fecd4041fab35f6ee165aa85c87fe0700bd4e7d58

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp7EE1.tmp

Filesize
1KB

MD5
e3f1e1fb6193112569ef51fd0243af29

SHA1
f830a0aa0e6f16e6a72f65a8ca6b39b4ed57da69

SHA256
1689a4004c6205e20d19228ae33bd323d52c673973666729306927ec3592fd33

SHA512
be68432bb9b2fb63059d5d6990558b44525e9801a95023e11db51f26587023d0999ed65b347a890b9e1a80d73425d303f373ff779457f1e66a3dfe42d5126d73

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpB9EF.tmp

Filesize
1KB

MD5
cfae5a3b7d8aa9653fe2512578a0d23a

SHA1
a91a2f8daef114f89038925ada6784646a0a5b12

SHA256
2ab741415f193a2a9134eac48a2310899d18efb5e61c3e81c35140a7efea30fa

SHA512
9dfd7eca6924ae2785ce826a447b6ce6d043c552fbd3b8a804ce6722b07a74900e703dc56cd4443cae9ab9601f21a6068e29771e48497a9ae434096a11814e84

Download Submit
memory/1408-54-0x0000000000BF0000-0x0000000000C7E000-memory.dmp

Filesize
568KB

Download
memory/1408-55-0x00000000005F0000-0x000000000060C000-memory.dmp

Filesize
112KB

Download
memory/1408-56-0x0000000002080000-0x00000000020E6000-memory.dmp

Filesize
408KB

Download
memory/1604-65-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1604-78-0x0000000000740000-0x000000000074A000-memory.dmp

Filesize
40KB

Download
memory/1604-63-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1604-68-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1604-70-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1604-90-0x0000000000E70000-0x0000000000E84000-memory.dmp

Filesize
80KB

Download
memory/1604-60-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1604-59-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1604-89-0x0000000000FD0000-0x0000000000FFE000-memory.dmp

Filesize
184KB

Download
memory/1604-75-0x0000000000550000-0x000000000055A000-memory.dmp

Filesize
40KB

Download
memory/1604-76-0x00000000006C0000-0x00000000006CC000-memory.dmp

Filesize
48KB

Download
memory/1604-77-0x00000000006D0000-0x00000000006EE000-memory.dmp

Filesize
120KB

Download
memory/1604-62-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1604-79-0x0000000000760000-0x0000000000772000-memory.dmp

Filesize
72KB

Download
memory/1604-80-0x0000000000A10000-0x0000000000A2A000-memory.dmp

Filesize
104KB

Download
memory/1604-81-0x0000000000AF0000-0x0000000000AFE000-memory.dmp

Filesize
56KB

Download
memory/1604-82-0x0000000000BD0000-0x0000000000BE2000-memory.dmp

Filesize
72KB

Download
memory/1604-83-0x0000000000BE0000-0x0000000000BEC000-memory.dmp

Filesize
48KB

Download
memory/1604-84-0x0000000000C80000-0x0000000000C8E000-memory.dmp

Filesize
56KB

Download
memory/1604-85-0x0000000000C90000-0x0000000000CA4000-memory.dmp

Filesize
80KB

Download
memory/1604-86-0x0000000000CA0000-0x0000000000CB0000-memory.dmp

Filesize
64KB

Download
memory/1604-87-0x0000000000CB0000-0x0000000000CC4000-memory.dmp

Filesize
80KB

Download
memory/1604-88-0x0000000000CD0000-0x0000000000CDE000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads