metastealer | 9c27ba4595b71933034950d440e61a6dde7adfd1507cbe7de2c9eaa9dcf95225

General

Target

9c27ba4595b71933034950d440e61a6dde7adfd1507cbe7de2c9eaa9dcf95225.exe
Size

468KB
MD5

37b3c5b338bcf8155ee2796e1e0021b2
SHA1

cac39cca2bf486df664732c89963e525cdc04ab2
SHA256

9c27ba4595b71933034950d440e61a6dde7adfd1507cbe7de2c9eaa9dcf95225
SHA512

fc2fc191e99d240b0fd54e642041da3d74c20bca9ea9552823d79050cde3b548b196c7b51f524af0cb1e106bcdfa43dced95391c1990dfdacefec83d7b91b64d

Score

10^/10

metastealer nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

innocentbooii.hopto.org:55420

194.5.97.82:55420

Mutex

cd80cecf-f131-4e4d-a876-4072cc542585

Attributes

activate_away_mode
false
backup_connection_host
194.5.97.82
backup_dns_server
buffer_size
65538
build_time
2020-07-03T14:09:41.890100036Z
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
55420
default_group
Clickbyfire
enable_debug_mode
true
gc_threshold
1.0485772e+07
keep_alive_timeout
30000
keyboard_logging
false
lan_timeout
2500
max_packet_size
1.0485772e+07
mutex
cd80cecf-f131-4e4d-a876-4072cc542585
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
innocentbooii.hopto.org
primary_dns_server
request_elevation
true
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
8009

Signatures

Meta Stealer Stealer
Meta Stealer steals passwords stored in browsers, written in C++.
stealer metastealer
NanoCore
NanoCore is a remote access tool (RAT) with a variety of capabilities.
keylogger trojan stealer spyware nanocore

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation	9c27ba4595b71933034950d440e61a6dde7adfd1507cbe7de2c9eaa9dcf95225.exe

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\ISS Monitor = "C:\\Program Files (x86)\\ISS Monitor\\issmon.exe"	9c27ba4595b71933034950d440e61a6dde7adfd1507cbe7de2c9eaa9dcf95225.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	9c27ba4595b71933034950d440e61a6dde7adfd1507cbe7de2c9eaa9dcf95225.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 892 set thread context of 4436	892	9c27ba4595b71933034950d440e61a6dde7adfd1507cbe7de2c9eaa9dcf95225.exe	91

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\ISS Monitor\issmon.exe	9c27ba4595b71933034950d440e61a6dde7adfd1507cbe7de2c9eaa9dcf95225.exe
File opened for modification	C:\Program Files (x86)\ISS Monitor\issmon.exe	9c27ba4595b71933034950d440e61a6dde7adfd1507cbe7de2c9eaa9dcf95225.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 3 IoCs

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

persistence

Scheduled Task

T1053

pid	Process
3680	schtasks.exe
3136	schtasks.exe
3060	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
892	9c27ba4595b71933034950d440e61a6dde7adfd1507cbe7de2c9eaa9dcf95225.exe
4436	9c27ba4595b71933034950d440e61a6dde7adfd1507cbe7de2c9eaa9dcf95225.exe
4436	9c27ba4595b71933034950d440e61a6dde7adfd1507cbe7de2c9eaa9dcf95225.exe
4436	9c27ba4595b71933034950d440e61a6dde7adfd1507cbe7de2c9eaa9dcf95225.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4436	9c27ba4595b71933034950d440e61a6dde7adfd1507cbe7de2c9eaa9dcf95225.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	892	9c27ba4595b71933034950d440e61a6dde7adfd1507cbe7de2c9eaa9dcf95225.exe
Token: SeDebugPrivilege	4436	9c27ba4595b71933034950d440e61a6dde7adfd1507cbe7de2c9eaa9dcf95225.exe
Token: SeDebugPrivilege	4436	9c27ba4595b71933034950d440e61a6dde7adfd1507cbe7de2c9eaa9dcf95225.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 892 wrote to memory of 3060	892	9c27ba4595b71933034950d440e61a6dde7adfd1507cbe7de2c9eaa9dcf95225.exe	89
PID 892 wrote to memory of 3060	892	9c27ba4595b71933034950d440e61a6dde7adfd1507cbe7de2c9eaa9dcf95225.exe	89
PID 892 wrote to memory of 3060	892	9c27ba4595b71933034950d440e61a6dde7adfd1507cbe7de2c9eaa9dcf95225.exe	89
PID 892 wrote to memory of 4436	892	9c27ba4595b71933034950d440e61a6dde7adfd1507cbe7de2c9eaa9dcf95225.exe	91
PID 892 wrote to memory of 4436	892	9c27ba4595b71933034950d440e61a6dde7adfd1507cbe7de2c9eaa9dcf95225.exe	91
PID 892 wrote to memory of 4436	892	9c27ba4595b71933034950d440e61a6dde7adfd1507cbe7de2c9eaa9dcf95225.exe	91
PID 892 wrote to memory of 4436	892	9c27ba4595b71933034950d440e61a6dde7adfd1507cbe7de2c9eaa9dcf95225.exe	91
PID 892 wrote to memory of 4436	892	9c27ba4595b71933034950d440e61a6dde7adfd1507cbe7de2c9eaa9dcf95225.exe	91
PID 892 wrote to memory of 4436	892	9c27ba4595b71933034950d440e61a6dde7adfd1507cbe7de2c9eaa9dcf95225.exe	91
PID 892 wrote to memory of 4436	892	9c27ba4595b71933034950d440e61a6dde7adfd1507cbe7de2c9eaa9dcf95225.exe	91
PID 892 wrote to memory of 4436	892	9c27ba4595b71933034950d440e61a6dde7adfd1507cbe7de2c9eaa9dcf95225.exe	91
PID 4436 wrote to memory of 3680	4436	9c27ba4595b71933034950d440e61a6dde7adfd1507cbe7de2c9eaa9dcf95225.exe	92
PID 4436 wrote to memory of 3680	4436	9c27ba4595b71933034950d440e61a6dde7adfd1507cbe7de2c9eaa9dcf95225.exe	92
PID 4436 wrote to memory of 3680	4436	9c27ba4595b71933034950d440e61a6dde7adfd1507cbe7de2c9eaa9dcf95225.exe	92
PID 4436 wrote to memory of 3136	4436	9c27ba4595b71933034950d440e61a6dde7adfd1507cbe7de2c9eaa9dcf95225.exe	94
PID 4436 wrote to memory of 3136	4436	9c27ba4595b71933034950d440e61a6dde7adfd1507cbe7de2c9eaa9dcf95225.exe	94
PID 4436 wrote to memory of 3136	4436	9c27ba4595b71933034950d440e61a6dde7adfd1507cbe7de2c9eaa9dcf95225.exe	94

C:\Users\Admin\AppData\Local\Temp\9c27ba4595b71933034950d440e61a6dde7adfd1507cbe7de2c9eaa9dcf95225.exe
"C:\Users\Admin\AppData\Local\Temp\9c27ba4595b71933034950d440e61a6dde7adfd1507cbe7de2c9eaa9dcf95225.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:892
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ThcvzYAStd" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE05B.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:3060
- C:\Users\Admin\AppData\Local\Temp\9c27ba4595b71933034950d440e61a6dde7adfd1507cbe7de2c9eaa9dcf95225.exe
  "{path}"
  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
  - Suspicious use of WriteProcessMemory
  PID:4436
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "ISS Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmpE944.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:3680
- - C:\Windows\SysWOW64\schtasks.exe
    "schtasks.exe" /create /f /tn "ISS Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpEA4F.tmp"
    3⤵
    - Creates scheduled task(s)
    PID:3136

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\9c27ba4595b71933034950d440e61a6dde7adfd1507cbe7de2c9eaa9dcf95225.exe.log

Filesize
1KB

MD5
6f8f3a9a57cb30e686d3355e656031e0

SHA1
acccd6befb1a2f40e662280bc5182e086a0d079b

SHA256
283586e83b25099a5698cb9caf9c594a37060d11e0f55c81bb9c6d4f728448ea

SHA512
8f11d645ff4f8d5b1c45b06eb52cd45319659255306d60e80e33abfd04b9e3b1164679f11a8a23bd493e4b3f6b9841d70e553a01835eeaf6035b4d05e4fd7b54

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpE05B.tmp

Filesize
1KB

MD5
c870e4cdeeb2752b34d14ecde6810da1

SHA1
c584bab518633fa16913e5d458fa150f8c105edf

SHA256
b5b7692249300bf72bc13d0b41ce753f4d09391d2cd2169a814e4fd8a896caea

SHA512
e4610179eb9aa5ef5c951e66c1c20eedc638a764c0b6de3a5dbfa0536d2531000fd45187d8e1cfbbaeab4273611b66f36ec9108cc9d8270331ad99a087684720

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpE944.tmp

Filesize
1KB

MD5
a4657da81b77beb69311291f51fe500c

SHA1
ab49b9ef92b382a720df1c4b4237853402e7f0de

SHA256
7e51492a4fbdea9b7fdea07667599d3989908a70386d07fb356d9a895c7ba3c5

SHA512
5328ab8d9da6c44424f0864371ccbfb93ce223fc3446a2dc4f9cacbb17b37e158e6d63e3718a536ae6c7e3fa1ffb23e906e5864cc7d38af20672acf346f6bad8

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpEA4F.tmp

Filesize
1KB

MD5
97ca1345e92062cecc79ad320a0e89b1

SHA1
9e696a4df86c685befe01d00a16611331ed7e763

SHA256
937a440251a10c5a8921104975e5b7f166a34be5e48aa5c4ad344f8beadd1ad2

SHA512
b7cce6586e4db4e387343c01977b0768fca8c4842098f1caf7e4240fa89273279b1ade5ed25aaf108102dd06c0ee945a24cf4786eb24de34520b4c11c2e82214

Download Submit
memory/892-131-0x0000000005940000-0x0000000005EE4000-memory.dmp

Filesize
5.6MB

Download
memory/892-132-0x0000000005390000-0x0000000005422000-memory.dmp

Filesize
584KB

Download
memory/892-133-0x0000000005360000-0x000000000536A000-memory.dmp

Filesize
40KB

Download
memory/892-134-0x0000000006420000-0x000000000694C000-memory.dmp

Filesize
5.2MB

Download
memory/892-135-0x0000000006B80000-0x0000000006C1C000-memory.dmp

Filesize
624KB

Download
memory/892-130-0x0000000000930000-0x00000000009AC000-memory.dmp

Filesize
496KB

Download
memory/4436-139-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads