nanocore | e47c57a265eb959f1f3b9da94281202d814a943779369562a6d9f980d4c2462b

General

Target

144f9cfd4fe2dc691b800984036ba373.exe
Size

904KB
MD5

144f9cfd4fe2dc691b800984036ba373
SHA1

244a0c4f119c7b2189b64e4a0c6bad8b455bd50e
SHA256

e47c57a265eb959f1f3b9da94281202d814a943779369562a6d9f980d4c2462b
SHA512

4faadf04b2d588f68a39783268a3d5b64045373e6623f4e3b33481d5caaec76ca75b3742ffbd6604a3b92cca04212b3b7b51c0260a02d634f1a8f5fccbb21df1
SSDEEP

24576:uO00S0m3KFJ0/re7GVTUr/4yuVwFoZ/VA:uIaKv0/re7GV04y7yZtA

Score

10^/10

nanocore keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

194.5.98.52:54984

127.0.0.1:54984

Mutex

1132cfa8-2094-4fb5-ace0-9a6ed25d2e34

Attributes

activate_away_mode
false
backup_connection_host
127.0.0.1
backup_dns_server
buffer_size
65535
build_time
2021-05-30T12:34:39.958842536Z
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
54984
default_group
IKMERRO
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
1132cfa8-2094-4fb5-ace0-9a6ed25d2e34
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
194.5.98.52
primary_dns_server
request_elevation
false
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
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

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\TCP Service = "C:\\Program Files (x86)\\TCP Service\\tcpsvc.exe"	MSBuild.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1512 set thread context of 2348	1512	144f9cfd4fe2dc691b800984036ba373.exe	32

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\TCP Service\tcpsvc.exe	MSBuild.exe
File opened for modification	C:\Program Files (x86)\TCP Service\tcpsvc.exe	MSBuild.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

pid	Process
2652	schtasks.exe
2924	schtasks.exe
312	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2348	MSBuild.exe
2348	MSBuild.exe
2348	MSBuild.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2348	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2348	MSBuild.exe
Token: SeDebugPrivilege	2348	MSBuild.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 1512 wrote to memory of 2652	1512	144f9cfd4fe2dc691b800984036ba373.exe	30
PID 1512 wrote to memory of 2652	1512	144f9cfd4fe2dc691b800984036ba373.exe	30
PID 1512 wrote to memory of 2652	1512	144f9cfd4fe2dc691b800984036ba373.exe	30
PID 1512 wrote to memory of 2652	1512	144f9cfd4fe2dc691b800984036ba373.exe	30
PID 1512 wrote to memory of 2348	1512	144f9cfd4fe2dc691b800984036ba373.exe	32
PID 1512 wrote to memory of 2348	1512	144f9cfd4fe2dc691b800984036ba373.exe	32
PID 1512 wrote to memory of 2348	1512	144f9cfd4fe2dc691b800984036ba373.exe	32
PID 1512 wrote to memory of 2348	1512	144f9cfd4fe2dc691b800984036ba373.exe	32
PID 1512 wrote to memory of 2348	1512	144f9cfd4fe2dc691b800984036ba373.exe	32
PID 1512 wrote to memory of 2348	1512	144f9cfd4fe2dc691b800984036ba373.exe	32
PID 1512 wrote to memory of 2348	1512	144f9cfd4fe2dc691b800984036ba373.exe	32
PID 1512 wrote to memory of 2348	1512	144f9cfd4fe2dc691b800984036ba373.exe	32
PID 1512 wrote to memory of 2348	1512	144f9cfd4fe2dc691b800984036ba373.exe	32
PID 2348 wrote to memory of 2924	2348	MSBuild.exe	33
PID 2348 wrote to memory of 2924	2348	MSBuild.exe	33
PID 2348 wrote to memory of 2924	2348	MSBuild.exe	33
PID 2348 wrote to memory of 2924	2348	MSBuild.exe	33
PID 2348 wrote to memory of 312	2348	MSBuild.exe	35
PID 2348 wrote to memory of 312	2348	MSBuild.exe	35
PID 2348 wrote to memory of 312	2348	MSBuild.exe	35
PID 2348 wrote to memory of 312	2348	MSBuild.exe	35

C:\Users\Admin\AppData\Local\Temp\144f9cfd4fe2dc691b800984036ba373.exe
"C:\Users\Admin\AppData\Local\Temp\144f9cfd4fe2dc691b800984036ba373.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1512
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\cPdKccDnTVy" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF68F.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2652
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe"
  2⤵
  - Adds Run key to start application
  - Drops file in Program Files directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2348
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "TCP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpFD62.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:2924
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "TCP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpFEBA.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:312

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpF68F.tmp

Filesize
1KB

MD5
0b8eb207b75f2dda11fada69f9a1c0df

SHA1
01e024173247763755fb91547f2cc5c15a55ccab

SHA256
5964e93f8cc8dd2f17784842b68e06829e7bd2a1e888ebce57536ddcf236408f

SHA512
e1fecc75b91f37b3e5ebac5ca70ce89c669f8bca09c30b99e4720a7eb3ebbf6ffb5293961ea8c22a6160833097101e5d96676935919b5c001362169ac5573b1d

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpFD62.tmp

Filesize
1KB

MD5
ae766004c0d8792953bafffe8f6a2e3b

SHA1
14b12f27543a401e2fe0af8052e116cab0032426

SHA256
1abdd9b6a6b84e4ba1af1282dc84ce276c59ba253f4c4af05fea498a4fd99540

SHA512
e530da4a5d4336fc37838d0e93b5eb3804b9c489c71f6954a47fc81a4c655bb72ec493e109cf96e6e3617d7623ac80697ad3bbd5ffc6281bafc8b34dca5e6567

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

Filesize
1KB

MD5
9db6095f31f8b4ae8173fe11424a8dfe

SHA1
4b0655ae95def24a41710ca137649d93bfa49407

SHA256
9911b4513e44521c90c020ddcddea1ddc58095055a72ec638b593bf9ee23aa72

SHA512
5bee977264545a30a2d53e674f54a4066d4529dc9162d46911b9cac957052cdc1ea7c8d60f9c57d3f33db6cb964b1e6bb2347d0e0e2af0a32ac98938c02ffc1c

Download Submit
memory/1512-0-0x0000000074BD0000-0x000000007517B000-memory.dmp

Filesize
5.7MB

Download
memory/1512-1-0x0000000074BD0000-0x000000007517B000-memory.dmp

Filesize
5.7MB

Download
memory/1512-2-0x00000000003C0000-0x0000000000400000-memory.dmp

Filesize
256KB

Download
memory/1512-3-0x0000000074BD0000-0x000000007517B000-memory.dmp

Filesize
5.7MB

Download
memory/1512-4-0x00000000003C0000-0x0000000000400000-memory.dmp

Filesize
256KB

Download
memory/1512-24-0x0000000074BD0000-0x000000007517B000-memory.dmp

Filesize
5.7MB

Download
memory/2348-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2348-27-0x0000000074620000-0x0000000074BCB000-memory.dmp

Filesize
5.7MB

Download
memory/2348-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2348-22-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2348-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2348-25-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2348-26-0x0000000074620000-0x0000000074BCB000-memory.dmp

Filesize
5.7MB

Download
memory/2348-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2348-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2348-10-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2348-35-0x0000000000A80000-0x0000000000AC0000-memory.dmp

Filesize
256KB

Download
memory/2348-36-0x0000000074620000-0x0000000074BCB000-memory.dmp

Filesize
5.7MB

Download
memory/2348-37-0x0000000000A80000-0x0000000000AC0000-memory.dmp

Filesize
256KB

Download
memory/2348-38-0x0000000000A80000-0x0000000000AC0000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads