nanocore | e5a08c20ffae6658a8f4e91c1154b10abe7eb7bf1e6b0cfd33eed75713a7e4e9

General

Target
e5a08c20ffae6658a8f4e91c1154b10abe7eb7bf1e6b0cfd33eed75713a7e4e9.exe
Size 421KB
Sample221127-abyz2aee29
SHA256 e5a08c20ffae6658a8f4e91c1154b10abe7eb7bf1e6b0cfd33eed75713a7e4e9
MD5 e74663b410d589c107c77cbe2395128d
SHA1 b7b571018d6d50538f90c68ca7659016da7439e1
SHA512 1f256306360e131f66798611cfce6dc1aacf27dba41a52d98037e6808bf37704de4cfbde0f80e5dabb6bb0ae62ab7328a8df464e399e84c721faa3bfcf11a7ab
SSDEEP 12288:H04l/u4swYTNbep+sF+L52dv5MawHzL/2PUuW2:HlG4sFbep+QJWzz6
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

funnypic.dyndns-remote.com:1800

Mutex

4d611919-aaa1-49fe-b6b4-f424a25bdd6e

Attributes

activate_away_mode
true
backup_connection_host
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2015-02-17T17:57:48.460023936Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
1800
default_group
Startupnanno
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
4d611919-aaa1-49fe-b6b4-f424a25bdd6e
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
funnypic.dyndns-remote.com
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

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\DHCP Subsystem = "C:\\Program Files (x86)\\DHCP Subsystem\\dhcpss.exe"	e5a08c20ffae6658a8f4e91c1154b10abe7eb7bf1e6b0cfd33eed75713a7e4e9.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	e5a08c20ffae6658a8f4e91c1154b10abe7eb7bf1e6b0cfd33eed75713a7e4e9.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3704 set thread context of 4956	3704	e5a08c20ffae6658a8f4e91c1154b10abe7eb7bf1e6b0cfd33eed75713a7e4e9.exe	83

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\DHCP Subsystem\dhcpss.exe	e5a08c20ffae6658a8f4e91c1154b10abe7eb7bf1e6b0cfd33eed75713a7e4e9.exe
File opened for modification	C:\Program Files (x86)\DHCP Subsystem\dhcpss.exe	e5a08c20ffae6658a8f4e91c1154b10abe7eb7bf1e6b0cfd33eed75713a7e4e9.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4956	e5a08c20ffae6658a8f4e91c1154b10abe7eb7bf1e6b0cfd33eed75713a7e4e9.exe
4956	e5a08c20ffae6658a8f4e91c1154b10abe7eb7bf1e6b0cfd33eed75713a7e4e9.exe
4956	e5a08c20ffae6658a8f4e91c1154b10abe7eb7bf1e6b0cfd33eed75713a7e4e9.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4956	e5a08c20ffae6658a8f4e91c1154b10abe7eb7bf1e6b0cfd33eed75713a7e4e9.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3704	e5a08c20ffae6658a8f4e91c1154b10abe7eb7bf1e6b0cfd33eed75713a7e4e9.exe
Token: SeDebugPrivilege	4956	e5a08c20ffae6658a8f4e91c1154b10abe7eb7bf1e6b0cfd33eed75713a7e4e9.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3704 wrote to memory of 4956	3704	e5a08c20ffae6658a8f4e91c1154b10abe7eb7bf1e6b0cfd33eed75713a7e4e9.exe	83
PID 3704 wrote to memory of 4956	3704	e5a08c20ffae6658a8f4e91c1154b10abe7eb7bf1e6b0cfd33eed75713a7e4e9.exe	83
PID 3704 wrote to memory of 4956	3704	e5a08c20ffae6658a8f4e91c1154b10abe7eb7bf1e6b0cfd33eed75713a7e4e9.exe	83
PID 3704 wrote to memory of 4956	3704	e5a08c20ffae6658a8f4e91c1154b10abe7eb7bf1e6b0cfd33eed75713a7e4e9.exe	83
PID 3704 wrote to memory of 4956	3704	e5a08c20ffae6658a8f4e91c1154b10abe7eb7bf1e6b0cfd33eed75713a7e4e9.exe	83
PID 3704 wrote to memory of 4956	3704	e5a08c20ffae6658a8f4e91c1154b10abe7eb7bf1e6b0cfd33eed75713a7e4e9.exe	83
PID 3704 wrote to memory of 4956	3704	e5a08c20ffae6658a8f4e91c1154b10abe7eb7bf1e6b0cfd33eed75713a7e4e9.exe	83
PID 3704 wrote to memory of 4956	3704	e5a08c20ffae6658a8f4e91c1154b10abe7eb7bf1e6b0cfd33eed75713a7e4e9.exe	83

C:\Users\Admin\AppData\Local\Temp\e5a08c20ffae6658a8f4e91c1154b10abe7eb7bf1e6b0cfd33eed75713a7e4e9.exe
"C:\Users\Admin\AppData\Local\Temp\e5a08c20ffae6658a8f4e91c1154b10abe7eb7bf1e6b0cfd33eed75713a7e4e9.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3704
- C:\Users\Admin\AppData\Local\Temp\e5a08c20ffae6658a8f4e91c1154b10abe7eb7bf1e6b0cfd33eed75713a7e4e9.exe
  "C:\Users\Admin\AppData\Local\Temp\e5a08c20ffae6658a8f4e91c1154b10abe7eb7bf1e6b0cfd33eed75713a7e4e9.exe"
  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
  PID:4956

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

e5a08c20ffae6658a8f4e91c1154b10abe7eb7bf1e6b0cfd33eed75713a7e4e9.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\e5a08c20ffae6658a8f4e91c1154b10abe7eb7bf1e6b0cfd33eed75713a7e4e9.exe.log
Size 676B
SHA256 ff2e05f53cc9b927bed429bb2df53290223b459c49be1bea6b0ef13c52903787
MD5 3bc2150211e33cd343b025da5a9b1457
SHA1 a180ee6e62a496a226590390651a1d3708c7b89c
SHA512 e192903a8d0855203615c2ddd60c45c791492327fcd8a025e1dd1744cc2a526a4e90b8619e19b170f3ed808f3cbe4c839dc86fc70d97c5b0fb86ea529b78442c
MD5 SHA1 SHA512

Submit Download

memory/3704-132-0x00000000753C0000-0x0000000075971000-memory.dmp

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memory/3704-133-0x00000000753C0000-0x0000000075971000-memory.dmp

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memory/3704-137-0x00000000753C0000-0x0000000075971000-memory.dmp

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memory/4956-135-0x0000000000400000-0x000000000045A000-memory.dmp

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memory/4956-138-0x00000000753C0000-0x0000000075971000-memory.dmp

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memory/4956-139-0x00000000753C0000-0x0000000075971000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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