nanocore | 4838766d4fa1bd049a8d49f32865f1ef93a56b0ffd5f5fe4fb3401e6329ade0c

General

Target

70cb56c6c5c12806d8ab9ec9cb9f9721.exe
Size

1.1MB
MD5

70cb56c6c5c12806d8ab9ec9cb9f9721
SHA1

9f112cd0766ee8fc0cb64506de3549aad9d75625
SHA256

4838766d4fa1bd049a8d49f32865f1ef93a56b0ffd5f5fe4fb3401e6329ade0c
SHA512

03725f2203b53e0d3bb0ed491929f3c6bb632712ecde91a8c312cad61598ef7ee64ef6cb87a5157381a3dba138a7dc5a1957707bcbdb1bd52a57c8249d80cd60

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

ezeani.duckdns.org:8338

194.5.98.48:8338

Mutex

d015a44c-6cf4-4669-a736-929e0fa74f7d

Attributes

activate_away_mode
true
backup_connection_host
194.5.98.48
backup_dns_server
8.8.4.4
buffer_size
65535
build_time
2021-07-30T11:54:13.478924636Z
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
8338
default_group
OCT
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
d015a44c-6cf4-4669-a736-929e0fa74f7d
mutex_timeout
5000
prevent_system_sleep
false
primary_connection_host
ezeani.duckdns.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
Executes dropped EXE 2 IoCs

Processes:

fmgmfohkw.pifRegSvcs.exe

pid process

1592 fmgmfohkw.pif
3596 RegSvcs.exe

pid	process
1592	fmgmfohkw.pif
3596	RegSvcs.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

fmgmfohkw.pif

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	fmgmfohkw.pif
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows element = "C:\\Users\\Admin\\00902944\\FMGMFO~1.PIF C:\\Users\\Admin\\00902944\\smjodro.ubd"	fmgmfohkw.pif

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

RegSvcs.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA RegSvcs.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

fmgmfohkw.pif

description pid process target process

PID 1592 set thread context of 3596 1592 fmgmfohkw.pif RegSvcs.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

2648 schtasks.exe

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

description	pid	process	target process
PID 1592 set thread context of 3596	1592	fmgmfohkw.pif	RegSvcs.exe

pid	process
2648	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

RegSvcs.exefmgmfohkw.pif

pid	process
3596	RegSvcs.exe
3596	RegSvcs.exe
1592	fmgmfohkw.pif
1592	fmgmfohkw.pif
3596	RegSvcs.exe
3596	RegSvcs.exe
1592	fmgmfohkw.pif
1592	fmgmfohkw.pif
1592	fmgmfohkw.pif
1592	fmgmfohkw.pif
1592	fmgmfohkw.pif
1592	fmgmfohkw.pif
1592	fmgmfohkw.pif
1592	fmgmfohkw.pif
3596	RegSvcs.exe
3596	RegSvcs.exe
3596	RegSvcs.exe
1592	fmgmfohkw.pif
1592	fmgmfohkw.pif
1592	fmgmfohkw.pif
1592	fmgmfohkw.pif
1592	fmgmfohkw.pif
1592	fmgmfohkw.pif
1592	fmgmfohkw.pif
1592	fmgmfohkw.pif
1592	fmgmfohkw.pif
1592	fmgmfohkw.pif
1592	fmgmfohkw.pif
1592	fmgmfohkw.pif
1592	fmgmfohkw.pif
1592	fmgmfohkw.pif
1592	fmgmfohkw.pif
1592	fmgmfohkw.pif
1592	fmgmfohkw.pif
1592	fmgmfohkw.pif
1592	fmgmfohkw.pif
1592	fmgmfohkw.pif
1592	fmgmfohkw.pif
1592	fmgmfohkw.pif
1592	fmgmfohkw.pif
1592	fmgmfohkw.pif
1592	fmgmfohkw.pif
1592	fmgmfohkw.pif
1592	fmgmfohkw.pif
1592	fmgmfohkw.pif
1592	fmgmfohkw.pif
1592	fmgmfohkw.pif
1592	fmgmfohkw.pif
1592	fmgmfohkw.pif
1592	fmgmfohkw.pif
1592	fmgmfohkw.pif
1592	fmgmfohkw.pif
1592	fmgmfohkw.pif
1592	fmgmfohkw.pif
1592	fmgmfohkw.pif
1592	fmgmfohkw.pif
1592	fmgmfohkw.pif
1592	fmgmfohkw.pif
1592	fmgmfohkw.pif
1592	fmgmfohkw.pif
1592	fmgmfohkw.pif
1592	fmgmfohkw.pif
1592	fmgmfohkw.pif
1592	fmgmfohkw.pif

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

RegSvcs.exe

pid process

3596 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegSvcs.exe

description pid process

Token: SeDebugPrivilege 3596 RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	3596	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

70cb56c6c5c12806d8ab9ec9cb9f9721.exefmgmfohkw.pifRegSvcs.exe

description	pid	process	target process
PID 2720 wrote to memory of 1592	2720	70cb56c6c5c12806d8ab9ec9cb9f9721.exe	fmgmfohkw.pif
PID 2720 wrote to memory of 1592	2720	70cb56c6c5c12806d8ab9ec9cb9f9721.exe	fmgmfohkw.pif
PID 2720 wrote to memory of 1592	2720	70cb56c6c5c12806d8ab9ec9cb9f9721.exe	fmgmfohkw.pif
PID 1592 wrote to memory of 3596	1592	fmgmfohkw.pif	RegSvcs.exe
PID 1592 wrote to memory of 3596	1592	fmgmfohkw.pif	RegSvcs.exe
PID 1592 wrote to memory of 3596	1592	fmgmfohkw.pif	RegSvcs.exe
PID 1592 wrote to memory of 3596	1592	fmgmfohkw.pif	RegSvcs.exe
PID 1592 wrote to memory of 3596	1592	fmgmfohkw.pif	RegSvcs.exe
PID 3596 wrote to memory of 2648	3596	RegSvcs.exe	schtasks.exe
PID 3596 wrote to memory of 2648	3596	RegSvcs.exe	schtasks.exe
PID 3596 wrote to memory of 2648	3596	RegSvcs.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\70cb56c6c5c12806d8ab9ec9cb9f9721.exe
"C:\Users\Admin\AppData\Local\Temp\70cb56c6c5c12806d8ab9ec9cb9f9721.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2720

C:\Users\Admin\00902944\fmgmfohkw.pif
"C:\Users\Admin\00902944\fmgmfohkw.pif" smjodro.ubd
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1592

C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe
"C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe"
3⤵
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3596

C:\Windows\SysWOW64\schtasks.exe
"schtasks.exe" /create /f /tn "SMTP Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmpFBB.tmp"
4⤵
- Creates scheduled task(s)
PID:2648

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\00902944\fmgmfohkw.pif
MD5
8e699954f6b5d64683412cc560938507

SHA1
8ca6708b0f158eacce3ac28b23c23ed42c168c29

SHA256
c9a2399cc1ce6f71db9da2f16e6c025bf6cb0f4345b427f21449cf927d627a40

SHA512
13035106149c8d336189b4a6bdaf25e10ac0b027baea963b3ec66a815a572426b2e9485258447cf1362802a0f03a2aa257b276057590663161d9d55d5b737b02

Download Submit
C:\Users\Admin\00902944\fmgmfohkw.pif
MD5
8e699954f6b5d64683412cc560938507

SHA1
8ca6708b0f158eacce3ac28b23c23ed42c168c29

SHA256
c9a2399cc1ce6f71db9da2f16e6c025bf6cb0f4345b427f21449cf927d627a40

SHA512
13035106149c8d336189b4a6bdaf25e10ac0b027baea963b3ec66a815a572426b2e9485258447cf1362802a0f03a2aa257b276057590663161d9d55d5b737b02

Download Submit
C:\Users\Admin\00902944\mihirbsn.swj
MD5
2471d4f94b2d7c5eae622064ef6bd072

SHA1
3b5e649b32e5b10ddd33b1785141e3d682ea11b7

SHA256
8ec8b0de14d6fa2a08e2c9fc8bae1a1d4ca00e5c4948b02f0c56105a8252af86

SHA512
e5cad0a00b306f9b273d21d505ddfe1d0fd6f0840110508186085dcfb0c6aff8b5b1cf2c2e8bded1adc58418d960ca40e7bfbfc309f58a0292a45fd3d113461c

Download Submit
C:\Users\Admin\00902944\smjodro.ubd
MD5
26ae67ecd17c9c7bbbda7d1343975991

SHA1
b6935195fc15be693ec2bfc7f509a646c22dd53a

SHA256
92b478bb54d9c9349a961b053313299b8199624800f5b7610c214b6e23fb7d68

SHA512
e13a1b373191cf25d66e655c52d0d18989d5924074693259c1c6ab2173345e6b1618972e66db2b00f2f5af29315145330a192bb453e298a09d1b33f782c911d2

Download Submit
C:\Users\Admin\00902944\tqbinrnv.dll
MD5
0d34d3d5ccffb912ab9a30b282691dfc

SHA1
b5a6851ebf05b2a27e2e76288b694caa041fc579

SHA256
57d4ce6b51ebe7600527cbe47b3d35024472089cbce4d77d4370386b1b955249

SHA512
7da8e7f956e31474579c5eb2085c61bf88a97406991903a6ccbd1323640c8a983d1e97f9d69d74739f417219c15cb1f9068fa3c970ee5a8cd0fb1936575d8d89

Download Submit
C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe
MD5
0e06054beb13192588e745ee63a84173

SHA1
30b7d4d1277bafd04a83779fd566a1f834a8d113

SHA256
c5d6d56ded55fbd6c150ee3a0eb2e5671cae83106be2be4d70ce50aa50bab768

SHA512
251a112f3f037e62ff67a467389e47a56afb344bc942b17efa9bd2970494718b26bbee9adc3ac35f93ee4d2114aa426b6d0ea4bafad294b6c118a15f1977c215

Download Submit
C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe
MD5
0e06054beb13192588e745ee63a84173

SHA1
30b7d4d1277bafd04a83779fd566a1f834a8d113

SHA256
c5d6d56ded55fbd6c150ee3a0eb2e5671cae83106be2be4d70ce50aa50bab768

SHA512
251a112f3f037e62ff67a467389e47a56afb344bc942b17efa9bd2970494718b26bbee9adc3ac35f93ee4d2114aa426b6d0ea4bafad294b6c118a15f1977c215

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpFBB.tmp
MD5
95aceabc58acad5d73372b0966ee1b35

SHA1
2293b7ad4793cf574b1a5220e85f329b5601040a

SHA256
8d9642e1c3cd1e0b5d1763de2fb5e605ba593e5a918b93eec15acbc5dcc48fd4

SHA512
00760dfc9d8caf357f0cee5336e5448a4cca18e32cc63e1a69c16e34fe00ea29acd5b2cf278e86c6f9c3e66a1b176d27ed927361848212e6bf1fade7d3d06e74

Download Submit
memory/1592-115-0x0000000000000000-mapping.dmp

Download
memory/2648-132-0x0000000000000000-mapping.dmp

Download
memory/3596-127-0x0000000005750000-0x0000000005751000-memory.dmp

Filesize
4KB

Download
memory/3596-128-0x0000000005250000-0x0000000005251000-memory.dmp

Filesize
4KB

Download
memory/3596-129-0x00000000052F0000-0x00000000052F1000-memory.dmp

Filesize
4KB

Download
memory/3596-130-0x0000000005250000-0x000000000574E000-memory.dmp

Filesize
5.0MB

Download
memory/3596-131-0x00000000051F0000-0x00000000051F1000-memory.dmp

Filesize
4KB

Download
memory/3596-122-0x000000000051E792-mapping.dmp

Download
memory/3596-121-0x0000000000500000-0x0000000000C48000-memory.dmp

Filesize
7.3MB

Download
memory/3596-134-0x00000000054C0000-0x00000000054C5000-memory.dmp

Filesize
20KB

Download
memory/3596-135-0x00000000054D0000-0x00000000054E9000-memory.dmp

Filesize
100KB

Download
memory/3596-136-0x0000000005720000-0x0000000005723000-memory.dmp

Filesize
12KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads