nanocore | 55136e48846424dba4e779d885364790bd078642b02b161a0f8c8c141ea8a524

General

Target

2ae1cbcdaa9a7eb492ec494193250e63_JaffaCakes118.exe
Size

527KB
MD5

2ae1cbcdaa9a7eb492ec494193250e63
SHA1

ff0f79fba2f9552f61a0bf6313e74c407801aef0
SHA256

55136e48846424dba4e779d885364790bd078642b02b161a0f8c8c141ea8a524
SHA512

92f480ff53149cb8ea950ed24cfee2e025fc913bd8249f5f3bf9dd5fa77cb3009ac796e4e48f6c3431959d4a2b2e6524d66a89339e485af9a566ee8f1609a2a1
SSDEEP

12288:JLz6hGSgtsJcctRZ2y46AKV5egz+LPw4BPOe2U:AgQccHgy4R0egz+JV2

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

194.5.98.3:4321

Mutex

1b787288-3820-406e-95fa-ca959b4e1d82

Attributes

activate_away_mode
true
backup_connection_host
194.5.98.3
backup_dns_server
buffer_size
65535
build_time
2020-11-30T13:42:04.191855836Z
bypass_user_account_control
true
bypass_user_account_control_data
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
clear_access_control
true
clear_zone_identifier
true
connect_delay
4000
connection_port
4321
default_group
CHISOM
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
1b787288-3820-406e-95fa-ca959b4e1d82
mutex_timeout
5000
prevent_system_sleep
true
primary_connection_host
194.5.98.3
primary_dns_server
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

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\SMTP Monitor = "C:\\Program Files (x86)\\SMTP Monitor\\smtpmon.exe"	2ae1cbcdaa9a7eb492ec494193250e63_JaffaCakes118.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	2ae1cbcdaa9a7eb492ec494193250e63_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2596 set thread context of 2164	2596	2ae1cbcdaa9a7eb492ec494193250e63_JaffaCakes118.exe	32

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\SMTP Monitor\smtpmon.exe	2ae1cbcdaa9a7eb492ec494193250e63_JaffaCakes118.exe
File created	C:\Program Files (x86)\SMTP Monitor\smtpmon.exe	2ae1cbcdaa9a7eb492ec494193250e63_JaffaCakes118.exe

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

System Information Discovery
T1082

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
1824	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2164	2ae1cbcdaa9a7eb492ec494193250e63_JaffaCakes118.exe
2164	2ae1cbcdaa9a7eb492ec494193250e63_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2164	2ae1cbcdaa9a7eb492ec494193250e63_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2164	2ae1cbcdaa9a7eb492ec494193250e63_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2596 wrote to memory of 1824	2596	2ae1cbcdaa9a7eb492ec494193250e63_JaffaCakes118.exe	30
PID 2596 wrote to memory of 1824	2596	2ae1cbcdaa9a7eb492ec494193250e63_JaffaCakes118.exe	30
PID 2596 wrote to memory of 1824	2596	2ae1cbcdaa9a7eb492ec494193250e63_JaffaCakes118.exe	30
PID 2596 wrote to memory of 1824	2596	2ae1cbcdaa9a7eb492ec494193250e63_JaffaCakes118.exe	30
PID 2596 wrote to memory of 2164	2596	2ae1cbcdaa9a7eb492ec494193250e63_JaffaCakes118.exe	32
PID 2596 wrote to memory of 2164	2596	2ae1cbcdaa9a7eb492ec494193250e63_JaffaCakes118.exe	32
PID 2596 wrote to memory of 2164	2596	2ae1cbcdaa9a7eb492ec494193250e63_JaffaCakes118.exe	32
PID 2596 wrote to memory of 2164	2596	2ae1cbcdaa9a7eb492ec494193250e63_JaffaCakes118.exe	32
PID 2596 wrote to memory of 2164	2596	2ae1cbcdaa9a7eb492ec494193250e63_JaffaCakes118.exe	32
PID 2596 wrote to memory of 2164	2596	2ae1cbcdaa9a7eb492ec494193250e63_JaffaCakes118.exe	32
PID 2596 wrote to memory of 2164	2596	2ae1cbcdaa9a7eb492ec494193250e63_JaffaCakes118.exe	32
PID 2596 wrote to memory of 2164	2596	2ae1cbcdaa9a7eb492ec494193250e63_JaffaCakes118.exe	32
PID 2596 wrote to memory of 2164	2596	2ae1cbcdaa9a7eb492ec494193250e63_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\2ae1cbcdaa9a7eb492ec494193250e63_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2ae1cbcdaa9a7eb492ec494193250e63_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2596
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZlQvLrqP" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF670.tmp"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:1824
- C:\Users\Admin\AppData\Local\Temp\2ae1cbcdaa9a7eb492ec494193250e63_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\2ae1cbcdaa9a7eb492ec494193250e63_JaffaCakes118.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:2164

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

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpF670.tmp

Filesize
1KB

MD5
d858e82e7b9d25d54d50f46394f6e75c

SHA1
99e3cee5f1354dda50a9722fab345da66deb44cf

SHA256
b89b43bb797a0f9508da0a567721aa294f5581398252c7bd114e7574b9615dd2

SHA512
fe9038ae72b6c665b0446e28bd2eb94246ba42d00898cc43f2130d50ffe6cd97204800dc8432fbb629852c491b831c57383a56c8f698b0a8599fe3b694484f90

Download Submit
memory/2164-29-0x0000000073F60000-0x000000007464E000-memory.dmp

Filesize
6.9MB

Download
memory/2164-20-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2164-34-0x0000000073F60000-0x000000007464E000-memory.dmp

Filesize
6.9MB

Download
memory/2164-33-0x0000000073F60000-0x000000007464E000-memory.dmp

Filesize
6.9MB

Download
memory/2164-32-0x00000000003D0000-0x00000000003DA000-memory.dmp

Filesize
40KB

Download
memory/2164-31-0x00000000002B0000-0x00000000002CE000-memory.dmp

Filesize
120KB

Download
memory/2164-22-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2164-13-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2164-25-0x0000000073F60000-0x000000007464E000-memory.dmp

Filesize
6.9MB

Download
memory/2164-24-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2164-30-0x00000000002A0000-0x00000000002AA000-memory.dmp

Filesize
40KB

Download
memory/2164-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2164-12-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2164-14-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2164-16-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/2596-1-0x0000000000F00000-0x0000000000F8A000-memory.dmp

Filesize
552KB

Download
memory/2596-26-0x0000000073F60000-0x000000007464E000-memory.dmp

Filesize
6.9MB

Download
memory/2596-0-0x0000000073F6E000-0x0000000073F6F000-memory.dmp

Filesize
4KB

Download
memory/2596-2-0x0000000073F60000-0x000000007464E000-memory.dmp

Filesize
6.9MB

Download
memory/2596-6-0x00000000044B0000-0x0000000004512000-memory.dmp

Filesize
392KB

Download
memory/2596-5-0x0000000073F60000-0x000000007464E000-memory.dmp

Filesize
6.9MB

Download
memory/2596-4-0x0000000073F6E000-0x0000000073F6F000-memory.dmp

Filesize
4KB

Download
memory/2596-3-0x0000000000310000-0x000000000031A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads