6834a598cb1d97953200a7e8328e33ce4aa9c5b1e7fadc1136ae4e37a3bd0895

General

Target
2026-08-03_25e0c06459c8989b966810778440844c_cobalt-strike_icedid_luca-stealer_njrat.exe
Size 488KB
Sample260804-dp33pafk61
SHA256 6834a598cb1d97953200a7e8328e33ce4aa9c5b1e7fadc1136ae4e37a3bd0895
MD5 25e0c06459c8989b966810778440844c
SHA1 504b0d1c1c5f794dad43d3c73221dbc71087440d
SHA512 cd8a6bb15cab6a749eea8c8a8846e914b2adb53043b58f2d9d7451d2eda9ac6463e17c8754ee0d90f381623c34e3b18a951f5712bc2182c2742405e6ef1ad6df
SSDEEP 12288:Z6cMPGe6E6USJTszMMoeVZwBzVFVeabAydI:Z6cQidg3oowBzVzeEAyd
TLSH
T1B8B4F13163B50AF9E0B6C274C5614A46DF72796317219EEB03A452670F27AD20D3FBB2
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

adware discovery execution spyware

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000\Control Panel\International\Geo\Nation	2026-08-03_25e0c06459c8989b966810778440844c_cobalt-strike_icedid_luca-stealer_njrat.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\system32\entretien.pdf	2026-08-03_25e0c06459c8989b966810778440844c_cobalt-strike_icedid_luca-stealer_njrat.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 1 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
2456	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 8 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	RdrCEF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RdrCEF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RdrCEF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RdrCEF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RdrCEF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RdrCEF.exe

Checks processor information in registry 2 TTPs 4 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-668679576-120646659-2289335452-1000_Classes\Local Settings	2026-08-03_25e0c06459c8989b966810778440844c_cobalt-strike_icedid_luca-stealer_njrat.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3196	AcroRd32.exe
3196	AcroRd32.exe
3196	AcroRd32.exe
3196	AcroRd32.exe
3196	AcroRd32.exe
3196	AcroRd32.exe
3196	AcroRd32.exe
3196	AcroRd32.exe
3196	AcroRd32.exe
3196	AcroRd32.exe
3196	AcroRd32.exe
3196	AcroRd32.exe
3196	AcroRd32.exe
3196	AcroRd32.exe
3196	AcroRd32.exe
3196	AcroRd32.exe
3196	AcroRd32.exe
3196	AcroRd32.exe
3196	AcroRd32.exe
3196	AcroRd32.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
3196	AcroRd32.exe
1076	AcroRd32.exe
3196	AcroRd32.exe
3196	AcroRd32.exe
3196	AcroRd32.exe
3196	AcroRd32.exe
3196	AcroRd32.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 4548 wrote to memory of 1076	4548	2026-08-03_25e0c06459c8989b966810778440844c_cobalt-strike_icedid_luca-stealer_njrat.exe	90
PID 4548 wrote to memory of 3196	4548	2026-08-03_25e0c06459c8989b966810778440844c_cobalt-strike_icedid_luca-stealer_njrat.exe	91
PID 4548 wrote to memory of 2456	4548	2026-08-03_25e0c06459c8989b966810778440844c_cobalt-strike_icedid_luca-stealer_njrat.exe	92
PID 3196 wrote to memory of 3580	3196	AcroRd32.exe	94
PID 3580 wrote to memory of 2620	3580	RdrCEF.exe	95
PID 3580 wrote to memory of 3960	3580	RdrCEF.exe	96
PID 3580 wrote to memory of 3960	3580	RdrCEF.exe	96
PID 3580 wrote to memory of 2836	3580	RdrCEF.exe	98
PID 3580 wrote to memory of 556	3580	RdrCEF.exe	99
PID 3580 wrote to memory of 652	3580	RdrCEF.exe	100

C:\Users\Admin\AppData\Local\Temp\2026-08-03_25e0c06459c8989b966810778440844c_cobalt-strike_icedid_luca-stealer_njrat.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-03_25e0c06459c8989b966810778440844c_cobalt-strike_icedid_luca-stealer_njrat.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4548
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\entretien.pdf"
  2⤵
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious use of SetWindowsHookEx
  PID:1076
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Windows\system32\entretien.pdf"
  2⤵
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3196
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3580
  - - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
      "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=FDD8838320A48C9AAE9DC7E2A8EAD30F --mojo-platform-channel-handle=1716 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      PID:2620
  - - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
      "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=B7B4D8F7D994F96DC2A24CE0EFBA385B --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=B7B4D8F7D994F96DC2A24CE0EFBA385B --renderer-client-id=2 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job /prefetch:1
      4⤵
      System Location Discovery: System Language Discovery
      PID:3960
  - - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
      "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=5C5DCE41901F1ABA83791DE22455115D --mojo-platform-channel-handle=2280 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      PID:2836
  - - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
      "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=B182A34005E3FB4E13F97E5BB4AB6300 --mojo-platform-channel-handle=2392 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      PID:556
  - - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
      "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=71844DC1B8F636C920B52501C7606A05 --mojo-platform-channel-handle=2352 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      PID:652
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\sd.bat" "
  2⤵
  - Executes a command shell one-liner
  PID:2456

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Windows Command Shell

1

T1059.003

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 36KB
SHA256 b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
MD5 b30d3becc8731792523d599d949e63f5
SHA1 19350257e42d7aee17fb3bf139a9d3adb330fad4
SHA512 523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
SSDEEP 24:TLiXlzkrFsgIFsxX3pALXmnHpkDGjmcxBSkomXk+2m9RFTsyg+wmf9Mzm+Zs3tGl:TqlmFTIF3XmHjBoGGR+jMz+LhT
TLSH
T178F21D566E241E3CCA9EC336340836C34D78023DACF3B762A58A719747AD181E37D6E9
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 56KB
SHA256 111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
MD5 752a1f26b18748311b691c7d8fc20633
SHA1 c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA512 a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5
SSDEEP 192:wedRBvVrThe4p4/KhTB4p4CitZtkZsLRGVDbw6H3ph+v3YQa9:weZdThkKhBvkZsLRGlzh+vS9
TLSH
T1C94379DF2A348110CA0768BABD71771BB655D0BFC1C2F0A87AD68A1780B463CE775687
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 64KB
SHA256 3942beeafdad8fd3dcfad4e9f2546c636f4b54c37ed31a8f5097eb80942c3e7b
MD5 14b90d00d7d0dcd1fd715aa67bd06994
SHA1 65ba2a1fc2f3cf25c2260c51650584bb6af9a5dd
SHA512 f7c384b403f78af318ff1da1894ea588e7e33abcb6a2888cb325b232153dd9eb0d0c868229d4b86cbcbf93cbe41095d1cf42e7fa9af16a30f00c38000544caff
SSDEEP 384:yejdThatELJ8SWvDTuGmQgZsLglKhubvGZsLRZh+vS4:O+eUZsLQCZsL3hUS4
TLSH
T19A53CADB26348040CA07A8BBADB5731BB662D0BFC1C6F1E87E858A1780F453D9775687
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

sd.bat

Path C:\Users\Admin\AppData\Local\Temp\sd.bat
Size 286B
SHA256 88f8121ee440f93060480cec0bf4ee3448dc30af43f0d115f85973f5edde36a9
MD5 dbf59e670baca11381c3d08597f71bac
SHA1 df7f58cc267c3e8e5187daba1e23c1410fda00bc
SHA512 cbb1f65b1bcd7d7a60d551ab8ffdf5224940e696fad72772468ad9ddc91f800477d8ca7e64f323d1088b38cacf961774b12b3207405356bb4b8fc5615dbb6427
TLSH
T177D02B1484A6CBC68853386F6A3A0C9D442038131F85229093C2C85F22D445C92B3385
MD5 SHA1 SHA512 TLSH

Submit Download

memory/3196-38-0x0000000007DD0000-0x0000000007DF1000-memory.dmp

Download

memory/3196-39-0x0000000007DD0000-0x0000000007DF1000-memory.dmp

Download

memory/3196-108-0x0000000007DD0000-0x0000000007DF1000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

Loading Replay Monitor...

Downloads