668f3fbbdf7ef8387c7e0dc9842fbfd608eb822a285e46e649e04ccc5b43e181

Analysis

max time kernel
149s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
14/10/2026, 23:34

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General

Target
668f3fbbdf7ef8387c7e0dc9842fbfd608eb822a285e46e649e04ccc5b43e181.exe
Size 438KB
Sample261014-3kl12scw7y
SHA256 668f3fbbdf7ef8387c7e0dc9842fbfd608eb822a285e46e649e04ccc5b43e181
MD5 eddbd820d7df187783e5d33d28c02081
SHA1 b9446ef4df4922e46abbd732a2ccf0271bfc9d78
SHA512 7962ef10e5125940167495045b7d914784ded4a6b40c6b1308920f1d8071e93538ce3e75cf481734e60695e870a1edb2e996c35ee24b7bb4d807a60c899df5bc
SSDEEP 6144:dCv92/4uAx0N9DsseXzM8qGl+hxaxGVDLl/FRgTTDA5BCGqUucOBEzP:gV2/4x0NK6Sl+he8//gTT/dBEzP
TLSH
T178943948DA5390F2E9A384B03646FBBF1521FD308436CCA1F294EF95BA73DA69509317
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

defense_evasion discovery persistence

Malware Config

Signatures

Deletes itself 1 TTPs 1 IoCs

defense_evasion

File Deletion

T1070.004

pid	Process
2100	EsetNupForward.exe

Executes dropped EXE 3 IoCs

pid	Process
5332	EsetNupForward.exe
2100	EsetNupForward.exe
2936	EsetNupForward.exe

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\USER\S-1-5-21-2091445952-3649787497-104050984-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\EsetNupForwardC = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\EsetNupForward.exe\""	EsetNupForward.exe

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	668f3fbbdf7ef8387c7e0dc9842fbfd608eb822a285e46e649e04ccc5b43e181.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EsetNupForward.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EsetNupForward.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EsetNupForward.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EsetNupForward.exe

Suspicious behavior: RenamesItself 2 IoCs

pid	Process
912	668f3fbbdf7ef8387c7e0dc9842fbfd608eb822a285e46e649e04ccc5b43e181.exe
1264	EsetNupForward.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
5332	EsetNupForward.exe
5332	EsetNupForward.exe
5332	EsetNupForward.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
5332	EsetNupForward.exe
5332	EsetNupForward.exe
5332	EsetNupForward.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 912 wrote to memory of 1264	912	668f3fbbdf7ef8387c7e0dc9842fbfd608eb822a285e46e649e04ccc5b43e181.exe	86
PID 1264 wrote to memory of 5332	1264	EsetNupForward.exe	87
PID 2100 wrote to memory of 2936	2100	EsetNupForward.exe	93

C:\Users\Admin\AppData\Local\Temp\668f3fbbdf7ef8387c7e0dc9842fbfd608eb822a285e46e649e04ccc5b43e181.exe
"C:\Users\Admin\AppData\Local\Temp\668f3fbbdf7ef8387c7e0dc9842fbfd608eb822a285e46e649e04ccc5b43e181.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:912
- C:\Users\Admin\AppData\Local\Temp\EsetNupForward.exe
  "C:\Users\Admin\AppData\Local\Temp\EsetNupForward.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: RenamesItself
  - Suspicious use of WriteProcessMemory
  PID:1264
- - C:\Users\Admin\AppData\Local\Temp\EsetNupForward.exe
    "C:\Users\Admin\AppData\Local\Temp\EsetNupForward.exe" --nup-hash-swapped
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    PID:5332

C:\Users\Admin\AppData\Local\Temp\EsetNupForward.exe
"C:\Users\Admin\AppData\Local\Temp\EsetNupForward.exe"
1⤵
- Deletes itself
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2100
- C:\Users\Admin\AppData\Local\Temp\EsetNupForward.exe
  "C:\Users\Admin\AppData\Local\Temp\EsetNupForward.exe" --nup-hash-swapped
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2936

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Indicator Removal

T1070

File Deletion

T1070.004

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

EsetNupForward.exe

Path C:\Users\Admin\AppData\Local\Temp\EsetNupForward.exe
Size 438KB
SHA256 6689614910d99587f826747a54661d5fa10300d6bf7f758238b97a9ef4acf77e
MD5 462b1f161a287ba6adf9828517efdbf3
SHA1 3f1657b9b93fd54bbb251f82289861a34811e218
SHA512 b7cd025ec3666f1225392524d9d7b03b5d5fa01a1283b7e345da7445af45ab149d9de3810973e88744b385a8fd79be588cd9ce570b1f6abfef230c83bfa7ae55
SSDEEP 6144:dCv92/4uAx0N9DsseXzM8qGl+hxaxGVDLl/FRgTTDA5BCGqUucOBEzt:gV2/4x0NK6Sl+he8//gTT/dBEzt
TLSH
T1E8943948DA5390F2E9A384B03646FBBF1521FD308436CCA1F294EF95BA73DA69509317
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

EsetNupForward.exe.swap.tmp

Path C:\Users\Admin\AppData\Local\Temp\EsetNupForward.exe.swap.tmp
Size 438KB
SHA256 93056aa5989994fcbfadff9546eafcf8197ad2a7c589bf81127e278264cdcacd
MD5 13f5ecf1bc7c5ab861bd8bb22817d340
SHA1 2bccdda174c783f994f631c5acf2eacff6da0a2d
SHA512 28d8398997e294ac80f8813ede2cdb71122565a9d82c879133d0d59ca5f892e3e2ed55fb9b2e24d701367fb029c9b69dd4c4b4f6f350ca7b459799ea76fe2d97
SSDEEP 6144:dCv92/4uAx0N9DsseXzM8qGl+hxaxGVDLl/FRgTTDA5BCGqUucOBEzC:gV2/4x0NK6Sl+he8//gTT/dBEzC
TLSH
T131943948DA5390F2E9A384B03646FBBF1521FD308436CCA1F294EF95BA73DA69509317
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

forwarder.log

Path C:\Users\Admin\AppData\Local\Temp\EsetNupForward\forwarder.log
Size 786B
SHA256 17ce52db57e8ef6af603308221e418e8fe9c38eecc300f65cd13e9a94196327a
MD5 fa348b844e6a3cab14c149d0659c6e78
SHA1 223b3556de50cd5277fb40a7e2c1b5551c8f270c
SHA512 dcd3d65790755128a8d5710a2bec863c89afcbf24c019fdf031ee7b14fa3d52feb0cc62e32fa9856364baa1ac83e3c90d3b5c47565f13dc807af82b84eb5ba0a
TLSH
T1DB014E08B157D96F11125C571E59D11990ECBEB9BB04BB357E944D49864400FC4F1AF2
MD5 SHA1 SHA512 TLSH

Submit Download

forwarder.log

Path C:\Users\Admin\AppData\Local\Temp\EsetNupForward\forwarder.log
Size 69B
SHA256 146533151b2253c16d8569fbccbb01c2aaad91119fd1f21536a92317019721b9
MD5 f83b2fd831d22e9810aaaad698d75cd1
SHA1 477af9ce90dd7ad3d4f2653c2438f44916b95bab
SHA512 8af778f1aa14156827b3f268716d5aaa16d9af033824cccf73f947de8c66352c85ccd99e7df55de73762d76c66ecbea2d90b224f08c9deb437a92e27ec855686
TLSH
T1A5A022083000300802B200002C08883002ECEE08EB008C0E3C808C3CC32020A0CC00A3
MD5 SHA1 SHA512 TLSH

Submit Download

memory/912-2-0x0000000000400000-0x0000000000474000-memory.dmp

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memory/1264-11-0x0000000000400000-0x0000000000474000-memory.dmp

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memory/2100-25-0x0000000000400000-0x0000000000474000-memory.dmp

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memory/2936-27-0x0000000000400000-0x0000000000474000-memory.dmp

Download

memory/5332-28-0x0000000000400000-0x0000000000474000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads