nanocore | ca346708475c9cb5a70d7f8e7dde8af2c55ddc174e345c059f2b04d160729f8f

Analysis

max time kernel
143s
max time network
151s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
14-09-2022 01:18

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General

Target

FOI/duggan123.exe
Size

203KB
MD5

ab7edb633a1922984791a268984beb97
SHA1

add0328e7f0db7158b5050f4c38724e699f5f638
SHA256

eb1ce1b8311231a2e92d9f1caee3cc9672ce8f434a8c004e43548ecbd8825bc5
SHA512

4839a5cb53481b9b589e543584919858cd1aca3a339f35fbdba479c26e525d180e4b62fe5c7248b8f90eb1cc5deb66be84e0890191eefe8138ac0eb21872011e
SSDEEP

3072:uzEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HIyTUHnWi8DnkE/pnQD/2uDEm+0:uLV6Bta6dtJmakIM5boSDnkEuCuI1Xu

Score

10^/10

nanocore evasion keylogger persistence spyware stealer trojan

Malware Config

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

T1060

Modify Registry

T1112

Processes:

duggan123.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\UDP Service = "C:\\Program Files\\UDP Service\\udpsv.exe"	duggan123.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

duggan123.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA duggan123.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	duggan123.exe

Drops file in Program Files directory 2 IoCs

Processes:

duggan123.exe

description	ioc	process
File opened for modification	C:\Program Files\UDP Service\udpsv.exe	duggan123.exe
File created	C:\Program Files\UDP Service\udpsv.exe	duggan123.exe

Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exe

pid process

112 schtasks.exe
840 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

duggan123.exe

pid process

1644 duggan123.exe
1644 duggan123.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

duggan123.exe

pid process

1644 duggan123.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

duggan123.exe

description pid process

Token: SeDebugPrivilege 1644 duggan123.exe
Token: SeDebugPrivilege 1644 duggan123.exe

pid	process
112	schtasks.exe
840	schtasks.exe

pid	process
1644	duggan123.exe
1644	duggan123.exe

pid	process
1644	duggan123.exe

description	pid	process
Token: SeDebugPrivilege	1644	duggan123.exe
Token: SeDebugPrivilege	1644	duggan123.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

duggan123.exe

description	pid	process	target process
PID 1644 wrote to memory of 112	1644	duggan123.exe	schtasks.exe
PID 1644 wrote to memory of 112	1644	duggan123.exe	schtasks.exe
PID 1644 wrote to memory of 112	1644	duggan123.exe	schtasks.exe
PID 1644 wrote to memory of 840	1644	duggan123.exe	schtasks.exe
PID 1644 wrote to memory of 840	1644	duggan123.exe	schtasks.exe
PID 1644 wrote to memory of 840	1644	duggan123.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\FOI\duggan123.exe
"C:\Users\Admin\AppData\Local\Temp\FOI\duggan123.exe"
1⤵
- 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:1644

C:\Windows\system32\schtasks.exe
"schtasks.exe" /create /f /tn "UDP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp2DD5.tmp"
2⤵
- Creates scheduled task(s)
PID:112

C:\Windows\system32\schtasks.exe
"schtasks.exe" /create /f /tn "UDP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp2FE8.tmp"
2⤵
- Creates scheduled task(s)
PID:840

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp2DD5.tmp
Filesize
1KB

MD5
50747b1027f367efb00dc4968c97a0f6

SHA1
63b07d631abcdfdbb5b7d667375c985dd2874f3a

SHA256
b0851bef121ed99b181a1a13a63fb40111bd88513dc978725a21933bdcd39f54

SHA512
a5bf21a0f30f151f91eaf1150e9797822ef90caea33fb3ec5bd00f96289b4e8f0d1ea54e2f6bdba748ae2f38f6902429d24c5dbc30128d57adc82fe0040c25f4

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp2FE8.tmp
Filesize
1KB

MD5
31094e2ac8d5da3bac50d6916d2eccf1

SHA1
2f5642df7953e025794aa4b8f77b92ca53e90c2c

SHA256
05b2c6d2dd1c27a0097d5dfe313fb3ba571a90522c1eba1455dcbd13c3ea544a

SHA512
0c7584213ee4be77ace07aa892133188d97c9834270b6b66c1c450256f774b6cdc97e0e2d0da76d138ad500c307f51df1847fcc7c1e89f6f7f73cec8964b7bbb

Download Submit
memory/112-56-0x0000000000000000-mapping.dmp

Download
memory/840-59-0x0000000000000000-mapping.dmp

Download
memory/1644-54-0x000007FEF3F90000-0x000007FEF49B3000-memory.dmp

Filesize
10.1MB

Download
memory/1644-55-0x000007FEF2EF0000-0x000007FEF3F86000-memory.dmp

Filesize
16.6MB

Download
memory/1644-58-0x00000000021B6000-0x00000000021D5000-memory.dmp

Filesize
124KB

Download
memory/1644-61-0x00000000021B6000-0x00000000021D5000-memory.dmp

Filesize
124KB

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