e0a0ae4a8d61a176a157fb6d0c2b1977ff165395dd7dff7431816617f06f3c30

Analysis

max time kernel
1481s
max time network
1494s
platform
windows11-21h2_x64
resource
win11-20240426-en
resource tags

arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
submitted
23/05/2024, 07:23

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General

Target

DOC-20240522-WA0008..pdf
Size

1011KB
MD5

ef4870e9a550b4752130cc3ada6806a9
SHA1

f712850dcb25e2e8c6649d73328b54b9bd142ce2
SHA256

f53df7918f8976fba67c16e89a624b825f8f72e3f8f6cb6904a5e1c699f13472
SHA512

cfba344b7db937436fdcc66700e64791a2b8d8a07d1c06e015bf811879def9c0eb9c735b560b573ccaac9e5b4acff1f916bb0a1db5b0abd644962147df13a2e7
SSDEEP

24576:mbXp6WvGcpkl+wIBi1aS+ZJtKzT18pEmr2MqR:mbXphvGcpkl+wIBib+ZJtg1zmrfqR

Score

1^/10

Malware Config

Signatures

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-1-5-21-2994005945-4089876968-1367784197-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1260	AcroRd32.exe
1260	AcroRd32.exe
1260	AcroRd32.exe
1260	AcroRd32.exe
1260	AcroRd32.exe
1260	AcroRd32.exe
1260	AcroRd32.exe
1260	AcroRd32.exe
1260	AcroRd32.exe
1260	AcroRd32.exe
1260	AcroRd32.exe
1260	AcroRd32.exe
1260	AcroRd32.exe
1260	AcroRd32.exe
1260	AcroRd32.exe
1260	AcroRd32.exe
1260	AcroRd32.exe
1260	AcroRd32.exe
1260	AcroRd32.exe
1260	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1260	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1260	AcroRd32.exe
1260	AcroRd32.exe
1260	AcroRd32.exe
1260	AcroRd32.exe
1260	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1260 wrote to memory of 1156	1260	AcroRd32.exe	82
PID 1260 wrote to memory of 1156	1260	AcroRd32.exe	82
PID 1260 wrote to memory of 1156	1260	AcroRd32.exe	82
PID 1156 wrote to memory of 2780	1156	RdrCEF.exe	83
PID 1156 wrote to memory of 2780	1156	RdrCEF.exe	83
PID 1156 wrote to memory of 2780	1156	RdrCEF.exe	83
PID 1156 wrote to memory of 2780	1156	RdrCEF.exe	83
PID 1156 wrote to memory of 2780	1156	RdrCEF.exe	83
PID 1156 wrote to memory of 2780	1156	RdrCEF.exe	83
PID 1156 wrote to memory of 2780	1156	RdrCEF.exe	83
PID 1156 wrote to memory of 2780	1156	RdrCEF.exe	83
PID 1156 wrote to memory of 2780	1156	RdrCEF.exe	83
PID 1156 wrote to memory of 2780	1156	RdrCEF.exe	83
PID 1156 wrote to memory of 2780	1156	RdrCEF.exe	83
PID 1156 wrote to memory of 2780	1156	RdrCEF.exe	83
PID 1156 wrote to memory of 2780	1156	RdrCEF.exe	83
PID 1156 wrote to memory of 2780	1156	RdrCEF.exe	83
PID 1156 wrote to memory of 2780	1156	RdrCEF.exe	83
PID 1156 wrote to memory of 2780	1156	RdrCEF.exe	83
PID 1156 wrote to memory of 2780	1156	RdrCEF.exe	83
PID 1156 wrote to memory of 2780	1156	RdrCEF.exe	83
PID 1156 wrote to memory of 2780	1156	RdrCEF.exe	83
PID 1156 wrote to memory of 2780	1156	RdrCEF.exe	83
PID 1156 wrote to memory of 2780	1156	RdrCEF.exe	83
PID 1156 wrote to memory of 2780	1156	RdrCEF.exe	83
PID 1156 wrote to memory of 2780	1156	RdrCEF.exe	83
PID 1156 wrote to memory of 2780	1156	RdrCEF.exe	83
PID 1156 wrote to memory of 2780	1156	RdrCEF.exe	83
PID 1156 wrote to memory of 2780	1156	RdrCEF.exe	83
PID 1156 wrote to memory of 2780	1156	RdrCEF.exe	83
PID 1156 wrote to memory of 2780	1156	RdrCEF.exe	83
PID 1156 wrote to memory of 2780	1156	RdrCEF.exe	83
PID 1156 wrote to memory of 2780	1156	RdrCEF.exe	83
PID 1156 wrote to memory of 2780	1156	RdrCEF.exe	83
PID 1156 wrote to memory of 2780	1156	RdrCEF.exe	83
PID 1156 wrote to memory of 2780	1156	RdrCEF.exe	83
PID 1156 wrote to memory of 2780	1156	RdrCEF.exe	83
PID 1156 wrote to memory of 2780	1156	RdrCEF.exe	83
PID 1156 wrote to memory of 2780	1156	RdrCEF.exe	83
PID 1156 wrote to memory of 2780	1156	RdrCEF.exe	83
PID 1156 wrote to memory of 2780	1156	RdrCEF.exe	83
PID 1156 wrote to memory of 2780	1156	RdrCEF.exe	83
PID 1156 wrote to memory of 2780	1156	RdrCEF.exe	83
PID 1156 wrote to memory of 2780	1156	RdrCEF.exe	83
PID 1156 wrote to memory of 3408	1156	RdrCEF.exe	84
PID 1156 wrote to memory of 3408	1156	RdrCEF.exe	84
PID 1156 wrote to memory of 3408	1156	RdrCEF.exe	84
PID 1156 wrote to memory of 3408	1156	RdrCEF.exe	84
PID 1156 wrote to memory of 3408	1156	RdrCEF.exe	84
PID 1156 wrote to memory of 3408	1156	RdrCEF.exe	84
PID 1156 wrote to memory of 3408	1156	RdrCEF.exe	84
PID 1156 wrote to memory of 3408	1156	RdrCEF.exe	84
PID 1156 wrote to memory of 3408	1156	RdrCEF.exe	84
PID 1156 wrote to memory of 3408	1156	RdrCEF.exe	84
PID 1156 wrote to memory of 3408	1156	RdrCEF.exe	84
PID 1156 wrote to memory of 3408	1156	RdrCEF.exe	84
PID 1156 wrote to memory of 3408	1156	RdrCEF.exe	84
PID 1156 wrote to memory of 3408	1156	RdrCEF.exe	84
PID 1156 wrote to memory of 3408	1156	RdrCEF.exe	84
PID 1156 wrote to memory of 3408	1156	RdrCEF.exe	84
PID 1156 wrote to memory of 3408	1156	RdrCEF.exe	84
PID 1156 wrote to memory of 3408	1156	RdrCEF.exe	84
PID 1156 wrote to memory of 3408	1156	RdrCEF.exe	84
PID 1156 wrote to memory of 3408	1156	RdrCEF.exe	84

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\DOC-20240522-WA0008..pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1260
- 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
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1156
- - 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=DA88C394C2634AD0C6AA2B2914F1C801 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2780
- - 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=F4DF4DD2E840A5F1CB3DABD68815D44B --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=F4DF4DD2E840A5F1CB3DABD68815D44B --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3408
- - 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=CACB49F8C495B6CF5E8C2F2580712693 --mojo-platform-channel-handle=2340 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2664
- - 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=8D2C2C3FAD0AA5507A3867A09C4B6DB7 --mojo-platform-channel-handle=1784 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1460
- - 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=877235F1E91B5BD58E9D7B05C0BAB964 --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=877235F1E91B5BD58E9D7B05C0BAB964 --renderer-client-id=6 --mojo-platform-channel-handle=2436 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1476
- - 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=4F12BD86B44C6629E8F0EFCB5010684C --mojo-platform-channel-handle=2772 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1408

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3172

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
835dab1861a86657ab67afe42b7919f1

SHA1
85d27870224f1529c727a33f82aca61c6b04f19f

SHA256
a42513c58f7c0b581b795754f3025f1fe3f7b3919d887ff9070f85050bfa9f90

SHA512
521781d1821b4169b115fd45134f5c6fe294a7215ef1c60b528f805ed3c9523d39e21a29af0a8e428bf868389b9f80affaa66fbe7f1e5b2672037fdf58b37773

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
memory/1260-122-0x000000000C9D0000-0x000000000CC7B000-memory.dmp

Filesize
2.7MB

Download