Malware Analysis Report

2024-08-06 14:47

Sample ID 240617-d2e7dssbpe
Target b68c8cf4bc68a9f68fd47c9e94cfebb8_JaffaCakes118
SHA256 d4810df62c42b3e525e4662fba9b4fe9d1916bc88087bf8ded45a00ea02680f9
Tags
nanocore evasion keylogger spyware stealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

d4810df62c42b3e525e4662fba9b4fe9d1916bc88087bf8ded45a00ea02680f9

Threat Level: Known bad

The file b68c8cf4bc68a9f68fd47c9e94cfebb8_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

nanocore evasion keylogger spyware stealer trojan

NanoCore

Checks computer location settings

Checks whether UAC is enabled

Suspicious use of SetThreadContext

Unsigned PE

Enumerates physical storage devices

Creates scheduled task(s)

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK Matrix V13

Initial Access
TA0001
Execution
TA0002
Scheduled Task/Job
T1053
Persistence
TA0003
Scheduled Task/Job
T1053
Privilege Escalation
TA0004
Scheduled Task/Job
T1053
Defense Evasion
TA0005
Credential Access
TA0006
Discovery
TA0007
System Information Discovery
T1082
Query Registry
T1012
Lateral Movement
TA0008
Collection
TA0009
Exfiltration
TA0010
Command and Control
TA0011
Impact
TA0040
Resource Development
TA0042
Reconnaissance
TA0043

Analysis: static1

Detonation Overview

Reported

2024-06-17 03:29

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-17 03:29

Reported

2024-06-17 03:32

Platform

win7-20240221-en

Max time kernel

144s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\invoice.exe"

Signatures

NanoCore

keylogger trojan stealer spyware nanocore

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Local\Temp\invoice.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2036 set thread context of 2568 N/A C:\Users\Admin\AppData\Local\Temp\invoice.exe C:\Users\Admin\AppData\Local\Temp\invoice.exe

Enumerates physical storage devices

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\invoice.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\invoice.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\invoice.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\invoice.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\invoice.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\invoice.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2036 wrote to memory of 2572 N/A C:\Users\Admin\AppData\Local\Temp\invoice.exe C:\Windows\SysWOW64\schtasks.exe
PID 2036 wrote to memory of 2572 N/A C:\Users\Admin\AppData\Local\Temp\invoice.exe C:\Windows\SysWOW64\schtasks.exe
PID 2036 wrote to memory of 2572 N/A C:\Users\Admin\AppData\Local\Temp\invoice.exe C:\Windows\SysWOW64\schtasks.exe
PID 2036 wrote to memory of 2572 N/A C:\Users\Admin\AppData\Local\Temp\invoice.exe C:\Windows\SysWOW64\schtasks.exe
PID 2036 wrote to memory of 2568 N/A C:\Users\Admin\AppData\Local\Temp\invoice.exe C:\Users\Admin\AppData\Local\Temp\invoice.exe
PID 2036 wrote to memory of 2568 N/A C:\Users\Admin\AppData\Local\Temp\invoice.exe C:\Users\Admin\AppData\Local\Temp\invoice.exe
PID 2036 wrote to memory of 2568 N/A C:\Users\Admin\AppData\Local\Temp\invoice.exe C:\Users\Admin\AppData\Local\Temp\invoice.exe
PID 2036 wrote to memory of 2568 N/A C:\Users\Admin\AppData\Local\Temp\invoice.exe C:\Users\Admin\AppData\Local\Temp\invoice.exe
PID 2036 wrote to memory of 2568 N/A C:\Users\Admin\AppData\Local\Temp\invoice.exe C:\Users\Admin\AppData\Local\Temp\invoice.exe
PID 2036 wrote to memory of 2568 N/A C:\Users\Admin\AppData\Local\Temp\invoice.exe C:\Users\Admin\AppData\Local\Temp\invoice.exe
PID 2036 wrote to memory of 2568 N/A C:\Users\Admin\AppData\Local\Temp\invoice.exe C:\Users\Admin\AppData\Local\Temp\invoice.exe
PID 2036 wrote to memory of 2568 N/A C:\Users\Admin\AppData\Local\Temp\invoice.exe C:\Users\Admin\AppData\Local\Temp\invoice.exe
PID 2036 wrote to memory of 2568 N/A C:\Users\Admin\AppData\Local\Temp\invoice.exe C:\Users\Admin\AppData\Local\Temp\invoice.exe

Processes

C:\Users\Admin\AppData\Local\Temp\invoice.exe

"C:\Users\Admin\AppData\Local\Temp\invoice.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FgBAmhwboOZYD" /XML "C:\Users\Admin\AppData\Local\Temp\tmp250E.tmp"

C:\Users\Admin\AppData\Local\Temp\invoice.exe

"{path}"

Network

Country Destination Domain Proto
US 8.8.8.8:53 kskent.dynu.net udp
US 8.8.4.4:53 kskent.dynu.net udp
US 8.8.8.8:53 kskent.dynu.net udp
US 8.8.8.8:53 kskent.dynu.net udp
US 8.8.4.4:53 kskent.dynu.net udp
US 8.8.8.8:53 kskent.dynu.net udp
US 8.8.4.4:53 kskent.dynu.net udp
N/A 127.0.0.1:333 tcp
N/A 127.0.0.1:333 tcp
N/A 127.0.0.1:333 tcp
US 8.8.8.8:53 kskent.dynu.net udp
US 8.8.4.4:53 kskent.dynu.net udp
US 8.8.8.8:53 kskent.dynu.net udp
US 8.8.4.4:53 kskent.dynu.net udp
US 8.8.8.8:53 kskent.dynu.net udp
US 8.8.4.4:53 kskent.dynu.net udp
N/A 127.0.0.1:333 tcp
N/A 127.0.0.1:333 tcp
N/A 127.0.0.1:333 tcp
US 8.8.8.8:53 kskent.dynu.net udp
US 8.8.4.4:53 kskent.dynu.net udp
US 8.8.8.8:53 kskent.dynu.net udp
US 8.8.4.4:53 kskent.dynu.net udp
US 8.8.8.8:53 kskent.dynu.net udp
US 8.8.4.4:53 kskent.dynu.net udp
N/A 127.0.0.1:333 tcp
N/A 127.0.0.1:333 tcp
N/A 127.0.0.1:333 tcp
US 8.8.8.8:53 kskent.dynu.net udp
US 8.8.4.4:53 kskent.dynu.net udp
US 8.8.8.8:53 kskent.dynu.net udp
US 8.8.4.4:53 kskent.dynu.net udp
US 8.8.8.8:53 kskent.dynu.net udp
US 8.8.4.4:53 kskent.dynu.net udp
N/A 127.0.0.1:333 tcp
N/A 127.0.0.1:333 tcp
N/A 127.0.0.1:333 tcp
US 8.8.8.8:53 kskent.dynu.net udp
US 8.8.4.4:53 kskent.dynu.net udp

Files

memory/2036-0-0x0000000074A91000-0x0000000074A92000-memory.dmp

memory/2036-1-0x0000000074A90000-0x000000007503B000-memory.dmp

memory/2036-2-0x0000000074A90000-0x000000007503B000-memory.dmp

memory/2036-3-0x0000000074A90000-0x000000007503B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp250E.tmp

MD5 a259096d942103c863dfb0ac2cd6ba66
SHA1 296e8f135b77457ee7166921a20c51bf25a9254b
SHA256 ba15635cd90377f46d7596ad5b6040c6087a625dd1e56ab78e8065cf22670d4f
SHA512 890373113a45e96bd80237a916834f0b0dd3686413ee4f33b943e99522e99deedc756309350866b284465d9f897d59e991ed6443423b7adb64a120b1558cbca6

memory/2568-9-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2568-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2568-21-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2568-19-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2568-15-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2568-13-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2568-23-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2568-11-0x0000000000400000-0x0000000000438000-memory.dmp

memory/2568-25-0x0000000074A90000-0x000000007503B000-memory.dmp

memory/2036-24-0x0000000074A90000-0x000000007503B000-memory.dmp

memory/2568-27-0x0000000074A90000-0x000000007503B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-17 03:29

Reported

2024-06-17 03:32

Platform

win10v2004-20240226-en

Max time kernel

149s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\invoice.exe"

Signatures

NanoCore

keylogger trojan stealer spyware nanocore

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\invoice.exe N/A

Checks whether UAC is enabled

evasion trojan
Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA C:\Users\Admin\AppData\Local\Temp\invoice.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4140 set thread context of 3900 N/A C:\Users\Admin\AppData\Local\Temp\invoice.exe C:\Users\Admin\AppData\Local\Temp\invoice.exe

Enumerates physical storage devices

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\invoice.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\invoice.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\invoice.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\invoice.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\invoice.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\invoice.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\invoice.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\invoice.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\invoice.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4140 wrote to memory of 1076 N/A C:\Users\Admin\AppData\Local\Temp\invoice.exe C:\Windows\SysWOW64\schtasks.exe
PID 4140 wrote to memory of 1076 N/A C:\Users\Admin\AppData\Local\Temp\invoice.exe C:\Windows\SysWOW64\schtasks.exe
PID 4140 wrote to memory of 1076 N/A C:\Users\Admin\AppData\Local\Temp\invoice.exe C:\Windows\SysWOW64\schtasks.exe
PID 4140 wrote to memory of 4984 N/A C:\Users\Admin\AppData\Local\Temp\invoice.exe C:\Users\Admin\AppData\Local\Temp\invoice.exe
PID 4140 wrote to memory of 4984 N/A C:\Users\Admin\AppData\Local\Temp\invoice.exe C:\Users\Admin\AppData\Local\Temp\invoice.exe
PID 4140 wrote to memory of 4984 N/A C:\Users\Admin\AppData\Local\Temp\invoice.exe C:\Users\Admin\AppData\Local\Temp\invoice.exe
PID 4140 wrote to memory of 3900 N/A C:\Users\Admin\AppData\Local\Temp\invoice.exe C:\Users\Admin\AppData\Local\Temp\invoice.exe
PID 4140 wrote to memory of 3900 N/A C:\Users\Admin\AppData\Local\Temp\invoice.exe C:\Users\Admin\AppData\Local\Temp\invoice.exe
PID 4140 wrote to memory of 3900 N/A C:\Users\Admin\AppData\Local\Temp\invoice.exe C:\Users\Admin\AppData\Local\Temp\invoice.exe
PID 4140 wrote to memory of 3900 N/A C:\Users\Admin\AppData\Local\Temp\invoice.exe C:\Users\Admin\AppData\Local\Temp\invoice.exe
PID 4140 wrote to memory of 3900 N/A C:\Users\Admin\AppData\Local\Temp\invoice.exe C:\Users\Admin\AppData\Local\Temp\invoice.exe
PID 4140 wrote to memory of 3900 N/A C:\Users\Admin\AppData\Local\Temp\invoice.exe C:\Users\Admin\AppData\Local\Temp\invoice.exe
PID 4140 wrote to memory of 3900 N/A C:\Users\Admin\AppData\Local\Temp\invoice.exe C:\Users\Admin\AppData\Local\Temp\invoice.exe
PID 4140 wrote to memory of 3900 N/A C:\Users\Admin\AppData\Local\Temp\invoice.exe C:\Users\Admin\AppData\Local\Temp\invoice.exe

Processes

C:\Users\Admin\AppData\Local\Temp\invoice.exe

"C:\Users\Admin\AppData\Local\Temp\invoice.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FgBAmhwboOZYD" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6359.tmp"

C:\Users\Admin\AppData\Local\Temp\invoice.exe

"{path}"

C:\Users\Admin\AppData\Local\Temp\invoice.exe

"{path}"

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4156 --field-trial-handle=2264,i,15001568551143786084,90255922961447677,262144 --variations-seed-version /prefetch:8

Network

Country Destination Domain Proto
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 kskent.dynu.net udp
US 8.8.4.4:53 kskent.dynu.net udp
US 8.8.8.8:53 kskent.dynu.net udp
US 8.8.8.8:53 4.4.8.8.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 13.107.246.64:443 tcp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 kskent.dynu.net udp
US 8.8.4.4:53 kskent.dynu.net udp
US 8.8.8.8:53 kskent.dynu.net udp
US 8.8.4.4:53 kskent.dynu.net udp
US 8.8.8.8:53 kskent.dynu.net udp
N/A 127.0.0.1:333 tcp
N/A 127.0.0.1:333 tcp
N/A 127.0.0.1:333 tcp
US 8.8.8.8:53 kskent.dynu.net udp
US 8.8.4.4:53 kskent.dynu.net udp
US 8.8.8.8:53 kskent.dynu.net udp
US 8.8.8.8:53 kskent.dynu.net udp
US 8.8.4.4:53 kskent.dynu.net udp
US 8.8.8.8:53 kskent.dynu.net udp
US 8.8.4.4:53 kskent.dynu.net udp
US 8.8.8.8:53 kskent.dynu.net udp
N/A 127.0.0.1:333 tcp
N/A 127.0.0.1:333 tcp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
N/A 127.0.0.1:333 tcp
US 8.8.8.8:53 kskent.dynu.net udp
US 8.8.4.4:53 kskent.dynu.net udp
US 8.8.8.8:53 kskent.dynu.net udp
US 8.8.8.8:53 18.24.18.2.in-addr.arpa udp
US 8.8.8.8:53 kskent.dynu.net udp
US 8.8.4.4:53 kskent.dynu.net udp
US 8.8.8.8:53 kskent.dynu.net udp
US 8.8.4.4:53 kskent.dynu.net udp
US 8.8.8.8:53 kskent.dynu.net udp
N/A 127.0.0.1:333 tcp
N/A 127.0.0.1:333 tcp
N/A 127.0.0.1:333 tcp
US 8.8.8.8:53 kskent.dynu.net udp
US 8.8.4.4:53 kskent.dynu.net udp
US 8.8.8.8:53 kskent.dynu.net udp
US 8.8.8.8:53 kskent.dynu.net udp
US 8.8.4.4:53 kskent.dynu.net udp
US 8.8.8.8:53 kskent.dynu.net udp
US 8.8.8.8:53 kskent.dynu.net udp
US 8.8.4.4:53 kskent.dynu.net udp
N/A 127.0.0.1:333 tcp
US 8.8.8.8:53 92.16.208.104.in-addr.arpa udp
N/A 127.0.0.1:333 tcp
N/A 127.0.0.1:333 tcp

Files

memory/4140-0-0x0000000075482000-0x0000000075483000-memory.dmp

memory/4140-1-0x0000000075480000-0x0000000075A31000-memory.dmp

memory/4140-2-0x0000000075480000-0x0000000075A31000-memory.dmp

memory/4140-4-0x0000000075482000-0x0000000075483000-memory.dmp

memory/4140-7-0x0000000075480000-0x0000000075A31000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp6359.tmp

MD5 c85f211eedd285a1117baa4efd18bc2b
SHA1 b345169af5ba24e3d3f0a740098b67c88b42f76b
SHA256 8c2c9c20e3ee4d53e234ad34737706412ffcdaa2fad9c319ac2aaed92c6ca060
SHA512 9e47e20700b60315f69fe4d395262aef0918953a1626c5e61433452381f69296b963d8a8b836563b9398b041d09a3c1bde88d2de1a8d01a07a9b3dd8407046fb

memory/3900-10-0x0000000000400000-0x0000000000438000-memory.dmp

memory/4140-13-0x0000000075480000-0x0000000075A31000-memory.dmp

memory/3900-15-0x0000000075480000-0x0000000075A31000-memory.dmp

memory/3900-16-0x0000000075480000-0x0000000075A31000-memory.dmp

memory/3900-17-0x0000000075480000-0x0000000075A31000-memory.dmp

memory/4140-14-0x0000000075480000-0x0000000075A31000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\invoice.exe.log

MD5 cb76b18ebed3a9f05a14aed43d35fba6
SHA1 836a4b4e351846fca08b84149cb734cb59b8c0d6
SHA256 8d0edecf54cbbdf7981c8e41a3ed8621503188a87415f9af0fb8d890b138c349
SHA512 7631141e4a6dda29452ada666326837372cd3d045f773006f63d9eff15d9432ed00029d9108a72c1a3b858377600a2aab2c9ec03764285c8801b6019babcf21c

memory/3900-19-0x0000000075480000-0x0000000075A31000-memory.dmp

memory/3900-20-0x0000000075480000-0x0000000075A31000-memory.dmp

memory/3900-21-0x0000000075480000-0x0000000075A31000-memory.dmp

memory/3900-22-0x0000000075480000-0x0000000075A31000-memory.dmp