nanocore | e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44

General

Target

e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe
Size

701KB
MD5

87e76b3ab65fafd1506f411841c73e94
SHA1

3810482f5a3187ccf1dbc8ce4fc0752bb7e44c18
SHA256

e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44
SHA512

c51ab6b12270d827de00eaccd212468e24ce5510b9b8e8fda36efc7792ed72d1c2321af7a6552a576e9dcb0bb0dbed7ba5345cb959a4460b8a934f6fc67521d3
SSDEEP

12288:AYyPYswecl9ZzHS49uH5hYLl4D4i4uS8zpAzh33gyAmLxOjrIy6NYxYQL:cweKyILwXRA133gK2rIw

Score

10^/10

nanocore defense_evasion discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

91.92.240.88:2777

Mutex

25449be1-a962-4d47-a9f7-c613578ec634

Attributes

activate_away_mode
true
backup_connection_host
91.92.240.88
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2024-04-19T10:57:33.704241736Z
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
2777
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
25449be1-a962-4d47-a9f7-c613578ec634
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
91.92.240.88
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
Nanocore family
nanocore

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\IMAP Service = "C:\\Program Files (x86)\\IMAP Service\\imapsvc.exe"	e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

defense_evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 728 set thread context of 4900	728	e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe	89

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\IMAP Service\imapsvc.exe	e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe
File opened for modification	C:\Program Files (x86)\IMAP Service\imapsvc.exe	e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
1500	schtasks.exe
3464	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
728	e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe
728	e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe
4900	e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe
4900	e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe
4900	e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4900	e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	728	e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe
Token: SeDebugPrivilege	4900	e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 728 wrote to memory of 4900	728	e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe	89
PID 728 wrote to memory of 4900	728	e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe	89
PID 728 wrote to memory of 4900	728	e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe	89
PID 728 wrote to memory of 4900	728	e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe	89
PID 728 wrote to memory of 4900	728	e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe	89
PID 728 wrote to memory of 4900	728	e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe	89
PID 728 wrote to memory of 4900	728	e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe	89
PID 728 wrote to memory of 4900	728	e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe	89
PID 4900 wrote to memory of 1500	4900	e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe	90
PID 4900 wrote to memory of 1500	4900	e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe	90
PID 4900 wrote to memory of 1500	4900	e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe	90
PID 4900 wrote to memory of 3464	4900	e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe	92
PID 4900 wrote to memory of 3464	4900	e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe	92
PID 4900 wrote to memory of 3464	4900	e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe	92

C:\Users\Admin\AppData\Local\Temp\e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe
"C:\Users\Admin\AppData\Local\Temp\e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:728
- C:\Users\Admin\AppData\Local\Temp\e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe
  "C:\Users\Admin\AppData\Local\Temp\e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe"
  2⤵
  - Adds Run key to start application
  - Checks whether UAC is enabled
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4900
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "IMAP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpCE4C.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1500
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "IMAP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpCEAB.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:3464

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\e207ac84a52789e4f93b901bdc24a0b9930759d50aab651cc3d5d1f3be7a3e44.exe.log

Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpCE4C.tmp

Filesize
1KB

MD5
b2d42a54cfd29000a9b77b15f11168ef

SHA1
0cc143e2175167b8d21dfc1199b6343dc5ff2a75

SHA256
db6732c0ef2a1ceffae7655333eb8b523ae2d8ab12aabad1e63ba1372f3ea961

SHA512
6d1b1f97cffd3328339487f1116f68286f4d5289f8a521d1ad41084bdf894f142cabde065bec1c08df9ce13bc90a99b1bb7d08f9baa185b799bef18990fc3f71

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

Filesize
1KB

MD5
066a3d1b1e4f42b003bb05726c94f77b

SHA1
d2d07af3e380a3e5ab6c2776e58b110752683660

SHA256
92f9afc9224f9e1ecb6e6d22179b7aec3de23aabca518e6dc6db818fd2cd5a2c

SHA512
67ccb9a2944c1050366756a9d59c21f1e5832582867e00185775be8ffdd69027ca76b583c8808d51d6bbf5b06bac6a3a43500db6adfb9c13bca34ba07a279ae6

Download Submit
memory/728-10-0x0000000002A70000-0x0000000002AEE000-memory.dmp

Filesize
504KB

Download
memory/728-3-0x0000000005260000-0x00000000052F2000-memory.dmp

Filesize
584KB

Download
memory/728-5-0x0000000074E50000-0x0000000075600000-memory.dmp

Filesize
7.7MB

Download
memory/728-6-0x00000000054D0000-0x000000000556C000-memory.dmp

Filesize
624KB

Download
memory/728-7-0x0000000005670000-0x000000000568E000-memory.dmp

Filesize
120KB

Download
memory/728-8-0x0000000074E5E000-0x0000000074E5F000-memory.dmp

Filesize
4KB

Download
memory/728-9-0x0000000074E50000-0x0000000075600000-memory.dmp

Filesize
7.7MB

Download
memory/728-0-0x0000000074E5E000-0x0000000074E5F000-memory.dmp

Filesize
4KB

Download
memory/728-1-0x0000000000780000-0x0000000000836000-memory.dmp

Filesize
728KB

Download
memory/728-4-0x0000000005230000-0x000000000523A000-memory.dmp

Filesize
40KB

Download
memory/728-2-0x0000000005810000-0x0000000005DB4000-memory.dmp

Filesize
5.6MB

Download
memory/728-15-0x0000000074E50000-0x0000000075600000-memory.dmp

Filesize
7.7MB

Download
memory/4900-16-0x0000000074E50000-0x0000000075600000-memory.dmp

Filesize
7.7MB

Download
memory/4900-14-0x0000000074E50000-0x0000000075600000-memory.dmp

Filesize
7.7MB

Download
memory/4900-11-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/4900-24-0x00000000054E0000-0x00000000054EA000-memory.dmp

Filesize
40KB

Download
memory/4900-25-0x00000000057F0000-0x000000000580E000-memory.dmp

Filesize
120KB

Download
memory/4900-26-0x0000000006510000-0x000000000651A000-memory.dmp

Filesize
40KB

Download
memory/4900-27-0x0000000074E50000-0x0000000075600000-memory.dmp

Filesize
7.7MB

Download
memory/4900-28-0x0000000074E50000-0x0000000075600000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads