nanocore | ea721b83c12fd31e7df6bbf8d1516c663046cc809e6fa2672b27b3b6c113bf23

Analysis

max time kernel
136s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
04/05/2024, 13:25

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General

Target
12ee889f3a4da0ad4431f67b30b8279e_JaffaCakes118.exe
Size 203KB
Sample240504-qpfcvafb4y
SHA256 ea721b83c12fd31e7df6bbf8d1516c663046cc809e6fa2672b27b3b6c113bf23
MD5 12ee889f3a4da0ad4431f67b30b8279e
SHA1 7add1d715851eca2875c6617999a58ba7ceca118
SHA512 c8cea309e50eadc3223cbbc89a20e9d14b474382930c1027b2fcdbecc868480cf13bc34f4035600559b6fdeeafa1bb8434951486c2b208389e2736166fe4a934
SSDEEP 6144:sLV6Bta6dtJmakIM5bO3JM1fMKQqa7FPp0k4V:sLV6Btpmk7GpC78V
MD5 SHA1 SHA512 SSDEEP

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

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\DHCP Host = "C:\\Program Files (x86)\\DHCP Host\\dhcphost.exe"	12ee889f3a4da0ad4431f67b30b8279e_JaffaCakes118.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	12ee889f3a4da0ad4431f67b30b8279e_JaffaCakes118.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\DHCP Host\dhcphost.exe	12ee889f3a4da0ad4431f67b30b8279e_JaffaCakes118.exe
File opened for modification	C:\Program Files (x86)\DHCP Host\dhcphost.exe	12ee889f3a4da0ad4431f67b30b8279e_JaffaCakes118.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/Job

T1053

pid	Process
2912	schtasks.exe
4432	schtasks.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
3056	12ee889f3a4da0ad4431f67b30b8279e_JaffaCakes118.exe
3056	12ee889f3a4da0ad4431f67b30b8279e_JaffaCakes118.exe
3056	12ee889f3a4da0ad4431f67b30b8279e_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3056	12ee889f3a4da0ad4431f67b30b8279e_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3056	12ee889f3a4da0ad4431f67b30b8279e_JaffaCakes118.exe
Token: SeDebugPrivilege	3056	12ee889f3a4da0ad4431f67b30b8279e_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3056 wrote to memory of 2912	3056	12ee889f3a4da0ad4431f67b30b8279e_JaffaCakes118.exe	84
PID 3056 wrote to memory of 2912	3056	12ee889f3a4da0ad4431f67b30b8279e_JaffaCakes118.exe	84
PID 3056 wrote to memory of 2912	3056	12ee889f3a4da0ad4431f67b30b8279e_JaffaCakes118.exe	84
PID 3056 wrote to memory of 4432	3056	12ee889f3a4da0ad4431f67b30b8279e_JaffaCakes118.exe	86
PID 3056 wrote to memory of 4432	3056	12ee889f3a4da0ad4431f67b30b8279e_JaffaCakes118.exe	86
PID 3056 wrote to memory of 4432	3056	12ee889f3a4da0ad4431f67b30b8279e_JaffaCakes118.exe	86

C:\Users\Admin\AppData\Local\Temp\12ee889f3a4da0ad4431f67b30b8279e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\12ee889f3a4da0ad4431f67b30b8279e_JaffaCakes118.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:3056
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "DHCP Host" /xml "C:\Users\Admin\AppData\Local\Temp\tmp3587.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:2912
- C:\Windows\SysWOW64\schtasks.exe
  "schtasks.exe" /create /f /tn "DHCP Host Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp35E6.tmp"
  2⤵
  - Creates scheduled task(s)
  PID:4432

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

tmp3587.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp3587.tmp
Size 1KB
SHA256 227cf9e39da3e83d16e01688a6fd8fdbc6a94f96910107feb876bb3da2bd1641
MD5 9c0b1c86f7452298c4d40f7771a2bd8b
SHA1 03c8404cd9944a0aff1c255e63924e0cec115615
SHA512 4e50cc8491911a278cbe734ddb01411ac951c30c68bfcdf4bae712b0ea2ce707416e403b55f8127cf64e79ed347be873666fd6b4a171ff1eb8b213ed58f1e945
MD5 SHA1 SHA512

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tmp35E6.tmp

Path C:\Users\Admin\AppData\Local\Temp\tmp35E6.tmp
Size 1KB
SHA256 112557c2b2d0c669a3b115129dc32f005341e965330fa8f2ad3e5de1926594bc
MD5 0479d5f304ef2d7e3c15fb24a99f88c1
SHA1 8edbb1450a656fac5f5e96779ffe440ee8c1aec9
SHA512 537e8d87e5cd975f0e69bb145f81d6e9d7b0d82eed143ac351304ea38577137386a51fdb7357ec6d641eb04ff5f51e249bba2db8a4b5bf2934d561394a4a3f15
MD5 SHA1 SHA512

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memory/3056-0-0x0000000074A82000-0x0000000074A83000-memory.dmp

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memory/3056-1-0x0000000074A80000-0x0000000075031000-memory.dmp

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memory/3056-2-0x0000000074A80000-0x0000000075031000-memory.dmp

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memory/3056-10-0x0000000074A80000-0x0000000075031000-memory.dmp

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memory/3056-11-0x0000000074A82000-0x0000000074A83000-memory.dmp

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memory/3056-12-0x0000000074A80000-0x0000000075031000-memory.dmp

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memory/3056-13-0x0000000074A80000-0x0000000075031000-memory.dmp

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memory/3056-14-0x0000000074A80000-0x0000000075031000-memory.dmp

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