35f300d18cfc7d95fae7cb8fe52df5a39a8c1054752cf487e928dc90d69e1125

Resubmissions

06/05/2026, 03:39

260506-d7tlzah13y7

06/05/2026, 03:37

260506-d6schsd17l3

Analysis

user interaction
yes
max time kernel
149s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20260130-en
resource tags

arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
06/05/2026, 03:37

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General

Target
f_002cd_suspicious8.zst
Size 221KB
Sample260506-d6schsd17l
SHA256 35f300d18cfc7d95fae7cb8fe52df5a39a8c1054752cf487e928dc90d69e1125
MD5 a00ede3667e56905d3e2f20621d06537
SHA1 1e4ddc0ad2fa189f6ea9c860fa5c3451fd5186ae
SHA512 eb3266c64a2543b19e7ff592b6d5d1f0fa1d5e70cf2aa34c2deabc701ab8dd458844b264b17c634b38bdd353239eb6b9343cd0ff35c7381bb3f64f6b5cdef65a
SSDEEP 3072:n421Prr6+DPth+gAkllQC4OOBA1b/RaZoOv6q0HI5XtgCTcacSTH0C0sNoWtOyow:n4uPrrFPzrO3BAZ/UGOv10HcJwChxfB
TLSH
T1112412B8578C4156BAF0E3D14D218B09191FF467894AC2FEA1EDC43EC6A2C815937B6F
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

adware discovery spyware

Malware Config

Signatures

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 7 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	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
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 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

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

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-914486190-3969805341-592249730-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-914486190-3969805341-592249730-1000_Classes\Local Settings	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-914486190-3969805341-592249730-1000_Classes\.zst	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-914486190-3969805341-592249730-1000_Classes\zst_auto_file	OpenWith.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-914486190-3969805341-592249730-1000_Classes\.zst\ = "zst_auto_file"	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-914486190-3969805341-592249730-1000_Classes\zst_auto_file\shell\Read	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-914486190-3969805341-592249730-1000_Classes\zst_auto_file\shell	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-914486190-3969805341-592249730-1000_Classes\zst_auto_file\shell\Read\command	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-914486190-3969805341-592249730-1000_Classes\Local Settings	cmd.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-914486190-3969805341-592249730-1000_Classes\zst_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Acrobat Reader DC\\Reader\\AcroRd32.exe\" \"%1\""	OpenWith.exe

Suspicious behavior: EnumeratesProcesses 18 IoCs

pid	Process
2392	AcroRd32.exe
2392	AcroRd32.exe
2392	AcroRd32.exe
2392	AcroRd32.exe
2392	AcroRd32.exe
2392	AcroRd32.exe
2392	AcroRd32.exe
2392	AcroRd32.exe
2392	AcroRd32.exe
2392	AcroRd32.exe
2392	AcroRd32.exe
2392	AcroRd32.exe
2392	AcroRd32.exe
2392	AcroRd32.exe
2392	AcroRd32.exe
2392	AcroRd32.exe
2392	AcroRd32.exe
2392	AcroRd32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
5596	OpenWith.exe

Suspicious use of SetWindowsHookEx 26 IoCs

pid	Process
5596	OpenWith.exe
5596	OpenWith.exe
5596	OpenWith.exe
5596	OpenWith.exe
5596	OpenWith.exe
5596	OpenWith.exe
5596	OpenWith.exe
5596	OpenWith.exe
5596	OpenWith.exe
5596	OpenWith.exe
5596	OpenWith.exe
5596	OpenWith.exe
5596	OpenWith.exe
5596	OpenWith.exe
5596	OpenWith.exe
5596	OpenWith.exe
5596	OpenWith.exe
5596	OpenWith.exe
5596	OpenWith.exe
5596	OpenWith.exe
5596	OpenWith.exe
2392	AcroRd32.exe
2392	AcroRd32.exe
2392	AcroRd32.exe
2392	AcroRd32.exe
2392	AcroRd32.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 5596 wrote to memory of 2392	5596	OpenWith.exe	95
PID 2392 wrote to memory of 1180	2392	AcroRd32.exe	101
PID 1180 wrote to memory of 1876	1180	RdrCEF.exe	102
PID 1180 wrote to memory of 6088	1180	RdrCEF.exe	103
PID 1180 wrote to memory of 6088	1180	RdrCEF.exe	103
PID 1180 wrote to memory of 1448	1180	RdrCEF.exe	105
PID 1180 wrote to memory of 928	1180	RdrCEF.exe	106
PID 1180 wrote to memory of 3244	1180	RdrCEF.exe	107

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\f_002cd_suspicious8.zst
1⤵
- Modifies registry class
PID:4608

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5596
- 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\f_002cd_suspicious8.zst"
  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:2392
- - 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:1180
  - - 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=5F31F0698B47EB475E35DED198930489 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      PID:1876
  - - 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=EE1AF4194F5840944A4294D0BCBDD101 --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=EE1AF4194F5840944A4294D0BCBDD101 --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:1
      4⤵
      System Location Discovery: System Language Discovery
      PID:6088
  - - 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=CDEF459B70182B00E60232D8697CCC6E --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      PID:1448
  - - 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=EDA0E97083D18497365E2DD912783F21 --mojo-platform-channel-handle=2344 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      PID:928
  - - 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=62056DF00C5B70DC272461B889F8B1AE --mojo-platform-channel-handle=1836 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
      4⤵
      System Location Discovery: System Language Discovery
      PID:3244

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3608

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:4764

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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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

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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 f315a851dc849b995499e612a567a94f2f9df5ce5e48d7e88a991a1b6641ab36
MD5 b24ed4eca29962b40f0985916e2b419f
SHA1 a53dbc62b1a22f2a5445e7a9ff284664687999a4
SHA512 91b32ae819fd24b2b34cd789486dcc5984c0b58d4825a83efda7c6cb1cbb95cec4822fd6335e10949fb6bdc62c8d1e54f6263468fc0f1c98f790503fe54ddd40
SSDEEP 384:ye3dThatELJ8SWvDTuGmQgZsLglKhubvGZsLRZh+vS4:C+eUZsLQCZsL3hUS4
TLSH
T1C553CADB26348040CA07A8BBADB5731BB662D0BFC1C6F1E87E858A1780F453D9775687
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/928-12-0x0000000001820000-0x0000000001845000-memory.dmp

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memory/1180-26-0x00000000008B0000-0x00000000008D5000-memory.dmp

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memory/1180-127-0x00000000008B0000-0x00000000008D5000-memory.dmp

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memory/1448-9-0x0000000001400000-0x0000000001425000-memory.dmp

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memory/1876-6-0x0000000001840000-0x0000000001865000-memory.dmp

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memory/2392-19-0x0000000001430000-0x0000000001455000-memory.dmp

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memory/2392-128-0x0000000001430000-0x0000000001455000-memory.dmp

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memory/2392-129-0x000000000ACA0000-0x000000000B3AF000-memory.dmp

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memory/2392-130-0x000000000ACA0000-0x000000000B392000-memory.dmp

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memory/3244-15-0x00000000013F0000-0x0000000001415000-memory.dmp

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memory/6088-32-0x0000000000680000-0x00000000006A5000-memory.dmp

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