nanocore | 1074a1781e89272bf9ca4a12bc09c3cf04aa3c1349761e9ada0ee2b1de3bd727

General

Target

Proof of payment.jpg.scr.exe
Size

588KB
MD5

cbb6b1a5f45354d7da5f029fe5a8f876
SHA1

e673fd3c9f036e75fb20f7e3be3d424d1e75feaa
SHA256

1074a1781e89272bf9ca4a12bc09c3cf04aa3c1349761e9ada0ee2b1de3bd727
SHA512

87340759d68e67252d3e6a7252a21a933298e77a0e23c7ee8d26cfcbdcd466a3b1e4ae1bec7b9f576389678495a4f626578823a67f1b01730e9c3486d5a613e7

Score

10^/10

nanocore collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

harold.accesscam.org:6051

harold.2waky.com:6051

Mutex

ed2d5ce0-ca4d-4264-be01-91a018d59d09

Attributes

activate_away_mode
true
backup_connection_host
harold.2waky.com
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2019-07-13T12:05:45.695760236Z
bypass_user_account_control
true
bypass_user_account_control_data
clear_access_control
true
clear_zone_identifier
false
connect_delay
4000
connection_port
6051
default_group
INV TO BID
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
ed2d5ce0-ca4d-4264-be01-91a018d59d09
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
harold.accesscam.org
primary_dns_server
8.8.8.8
request_elevation
true
restart_delay
5000
run_delay
0
run_on_startup
true
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

NirSoft MailPassView 3 IoCs

Password recovery tool for various email clients

Processes:

resource	yara_rule
behavioral1/memory/1028-78-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView
behavioral1/memory/1028-79-0x0000000000411654-mapping.dmp	MailPassView
behavioral1/memory/1028-81-0x0000000000400000-0x000000000041B000-memory.dmp	MailPassView

Nirsoft 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1028-78-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft
behavioral1/memory/1028-79-0x0000000000411654-mapping.dmp	Nirsoft
behavioral1/memory/1028-81-0x0000000000400000-0x000000000041B000-memory.dmp	Nirsoft

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

Processes:

vbc.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	vbc.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

Proof of payment.jpg.scr.exeRegSvcs.exe

description	pid	process	target process
PID 1988 set thread context of 1560	1988	Proof of payment.jpg.scr.exe	RegSvcs.exe
PID 1560 set thread context of 1028	1560	RegSvcs.exe	vbc.exe
PID 1560 set thread context of 848	1560	RegSvcs.exe	vbc.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 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1708 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

RegSvcs.exe

pid process

1560 RegSvcs.exe
1560 RegSvcs.exe
1560 RegSvcs.exe
1560 RegSvcs.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegSvcs.exe

pid process

1560 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 1560 RegSvcs.exe

pid	process
1708	schtasks.exe

pid	process
1560	RegSvcs.exe
1560	RegSvcs.exe
1560	RegSvcs.exe
1560	RegSvcs.exe

pid	process
1560	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1560	RegSvcs.exe

Suspicious use of WriteProcessMemory 36 IoCs

Processes:

Proof of payment.jpg.scr.exeRegSvcs.exe

description	pid	process	target process
PID 1988 wrote to memory of 1708	1988	Proof of payment.jpg.scr.exe	schtasks.exe
PID 1988 wrote to memory of 1708	1988	Proof of payment.jpg.scr.exe	schtasks.exe
PID 1988 wrote to memory of 1708	1988	Proof of payment.jpg.scr.exe	schtasks.exe
PID 1988 wrote to memory of 1708	1988	Proof of payment.jpg.scr.exe	schtasks.exe
PID 1988 wrote to memory of 1560	1988	Proof of payment.jpg.scr.exe	RegSvcs.exe
PID 1988 wrote to memory of 1560	1988	Proof of payment.jpg.scr.exe	RegSvcs.exe
PID 1988 wrote to memory of 1560	1988	Proof of payment.jpg.scr.exe	RegSvcs.exe
PID 1988 wrote to memory of 1560	1988	Proof of payment.jpg.scr.exe	RegSvcs.exe
PID 1988 wrote to memory of 1560	1988	Proof of payment.jpg.scr.exe	RegSvcs.exe
PID 1988 wrote to memory of 1560	1988	Proof of payment.jpg.scr.exe	RegSvcs.exe
PID 1988 wrote to memory of 1560	1988	Proof of payment.jpg.scr.exe	RegSvcs.exe
PID 1988 wrote to memory of 1560	1988	Proof of payment.jpg.scr.exe	RegSvcs.exe
PID 1988 wrote to memory of 1560	1988	Proof of payment.jpg.scr.exe	RegSvcs.exe
PID 1988 wrote to memory of 1560	1988	Proof of payment.jpg.scr.exe	RegSvcs.exe
PID 1988 wrote to memory of 1560	1988	Proof of payment.jpg.scr.exe	RegSvcs.exe
PID 1988 wrote to memory of 1560	1988	Proof of payment.jpg.scr.exe	RegSvcs.exe
PID 1560 wrote to memory of 1028	1560	RegSvcs.exe	vbc.exe
PID 1560 wrote to memory of 1028	1560	RegSvcs.exe	vbc.exe
PID 1560 wrote to memory of 1028	1560	RegSvcs.exe	vbc.exe
PID 1560 wrote to memory of 1028	1560	RegSvcs.exe	vbc.exe
PID 1560 wrote to memory of 1028	1560	RegSvcs.exe	vbc.exe
PID 1560 wrote to memory of 1028	1560	RegSvcs.exe	vbc.exe
PID 1560 wrote to memory of 1028	1560	RegSvcs.exe	vbc.exe
PID 1560 wrote to memory of 1028	1560	RegSvcs.exe	vbc.exe
PID 1560 wrote to memory of 1028	1560	RegSvcs.exe	vbc.exe
PID 1560 wrote to memory of 1028	1560	RegSvcs.exe	vbc.exe
PID 1560 wrote to memory of 848	1560	RegSvcs.exe	vbc.exe
PID 1560 wrote to memory of 848	1560	RegSvcs.exe	vbc.exe
PID 1560 wrote to memory of 848	1560	RegSvcs.exe	vbc.exe
PID 1560 wrote to memory of 848	1560	RegSvcs.exe	vbc.exe
PID 1560 wrote to memory of 848	1560	RegSvcs.exe	vbc.exe
PID 1560 wrote to memory of 848	1560	RegSvcs.exe	vbc.exe
PID 1560 wrote to memory of 848	1560	RegSvcs.exe	vbc.exe
PID 1560 wrote to memory of 848	1560	RegSvcs.exe	vbc.exe
PID 1560 wrote to memory of 848	1560	RegSvcs.exe	vbc.exe
PID 1560 wrote to memory of 848	1560	RegSvcs.exe	vbc.exe

C:\Users\Admin\AppData\Local\Temp\Proof of payment.jpg.scr.exe
"C:\Users\Admin\AppData\Local\Temp\Proof of payment.jpg.scr.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1988
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UTTGCUEVVZm" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD8C2.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:1708
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1560
- - \??\c:\windows\microsoft.net\framework\v2.0.50727\vbc.exe
    "c:\windows\microsoft.net\framework\v2.0.50727\vbc.exe" /shtml "C:\Users\Admin\AppData\Local\Temp\xyookuoo.h54"
    3⤵
    - Accesses Microsoft Outlook accounts
    PID:1028
- - \??\c:\windows\microsoft.net\framework\v2.0.50727\vbc.exe
    "c:\windows\microsoft.net\framework\v2.0.50727\vbc.exe" /shtml "C:\Users\Admin\AppData\Local\Temp\t5iwobxa.uxn"
    3⤵
    PID:848

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

Scripting

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Scripting

1

T1064

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\t5iwobxa.uxn

MD5
919e671c3d5959a91ef2d4c377d2b2ff

SHA1
b1202b19512bbd390d3d5164792501c87bb42c41

SHA256
d2e079df7cf6388315368ba79bf099ad2ff5428af51bf5abf2d99a2d7c5eb651

SHA512
f3298256372beab8efe81b2e08d3b3869281f625de1ee13189c6b95eb2134d223df6f64cc9e490dd6b52a53aa936adc17bd5dfe4e50ee0fe420f3ebae276381c

Download Submit
C:\Users\Admin\AppData\Local\Temp\xyookuoo.h54

MD5
69b2a2e17e78d24abee9f1de2f04811a

SHA1
d19c109704e83876ab3527457f9418a7d053aa33

SHA256
1b1491f21e64681f8fdc27b2265e2274fb7813eecb6ad8b446d2e431f6300edd

SHA512
eb7269979bc4187520636fe3d7b3089f2c7c02e81c4ce2a738ade680f72c61c67fe9577eeaa09d3ca93f34b60be8c434d2cfbfed6566e783f6611279f056150f

Download Submit
memory/848-91-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/848-89-0x0000000000442628-mapping.dmp

Download
memory/848-88-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/848-87-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/848-86-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/848-85-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/848-84-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/848-83-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1028-77-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1028-73-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1028-81-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1028-74-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1028-79-0x0000000000411654-mapping.dmp

Download
memory/1028-76-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1028-75-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1028-78-0x0000000000400000-0x000000000041B000-memory.dmp

Filesize
108KB

Download
memory/1560-70-0x00000000021E0000-0x00000000021E1000-memory.dmp

Filesize
4KB

Download
memory/1560-72-0x00000000021E6000-0x00000000021F7000-memory.dmp

Filesize
68KB

Download
memory/1560-71-0x00000000021E1000-0x00000000021E2000-memory.dmp

Filesize
4KB

Download
memory/1560-67-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1560-68-0x000000000041E792-mapping.dmp

Download
memory/1560-66-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1560-65-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1560-64-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1560-63-0x0000000000400000-0x0000000000438000-memory.dmp

Filesize
224KB

Download
memory/1708-62-0x0000000000000000-mapping.dmp

Download
memory/1988-0-0x0000000075511000-0x0000000075513000-memory.dmp

Filesize
8KB

Download
memory/1988-61-0x0000000000A71000-0x0000000000A72000-memory.dmp

Filesize
4KB

Download
memory/1988-1-0x0000000000A70000-0x0000000000A71000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads