72006899c9232cf117e997ac6b0b0e2210b52447c5d5ca0cb706d2f1fe7d2337

Analysis

max time kernel
151s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28/02/2024, 07:16

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General

Target

ab511fedfcb8342843b0bb16260234b7.pdf
Size

102KB
MD5

ab511fedfcb8342843b0bb16260234b7
SHA1

77f87e7ce0b5fb493307b2f130460ecce681a9fe
SHA256

72006899c9232cf117e997ac6b0b0e2210b52447c5d5ca0cb706d2f1fe7d2337
SHA512

ef150976ffcd3be6f7c46778968f46c12c87ea87baaf1595771313982f6771c868f37e186a838de082d17f89f5637dafc79706fe139134c0effe5e6ab6793adc
SSDEEP

3072:kQ8IzCz1YD5SzJJNWUnuiKNDDO/CepxYRmvI23qwrgnWdy:3OW+JWGr2mpxCmvur

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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4764	AcroRd32.exe
4764	AcroRd32.exe
4764	AcroRd32.exe
4764	AcroRd32.exe
4764	AcroRd32.exe
4764	AcroRd32.exe
4764	AcroRd32.exe
4764	AcroRd32.exe
4764	AcroRd32.exe
4764	AcroRd32.exe
4764	AcroRd32.exe
4764	AcroRd32.exe
4764	AcroRd32.exe
4764	AcroRd32.exe
4764	AcroRd32.exe
4764	AcroRd32.exe
4764	AcroRd32.exe
4764	AcroRd32.exe
4764	AcroRd32.exe
4764	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4764	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4764	AcroRd32.exe
4764	AcroRd32.exe
4764	AcroRd32.exe
4764	AcroRd32.exe
4764	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4764 wrote to memory of 2356	4764	AcroRd32.exe	99
PID 4764 wrote to memory of 2356	4764	AcroRd32.exe	99
PID 4764 wrote to memory of 2356	4764	AcroRd32.exe	99
PID 2356 wrote to memory of 4404	2356	RdrCEF.exe	100
PID 2356 wrote to memory of 4404	2356	RdrCEF.exe	100
PID 2356 wrote to memory of 4404	2356	RdrCEF.exe	100
PID 2356 wrote to memory of 4404	2356	RdrCEF.exe	100
PID 2356 wrote to memory of 4404	2356	RdrCEF.exe	100
PID 2356 wrote to memory of 4404	2356	RdrCEF.exe	100
PID 2356 wrote to memory of 4404	2356	RdrCEF.exe	100
PID 2356 wrote to memory of 4404	2356	RdrCEF.exe	100
PID 2356 wrote to memory of 4404	2356	RdrCEF.exe	100
PID 2356 wrote to memory of 4404	2356	RdrCEF.exe	100
PID 2356 wrote to memory of 4404	2356	RdrCEF.exe	100
PID 2356 wrote to memory of 4404	2356	RdrCEF.exe	100
PID 2356 wrote to memory of 4404	2356	RdrCEF.exe	100
PID 2356 wrote to memory of 4404	2356	RdrCEF.exe	100
PID 2356 wrote to memory of 4404	2356	RdrCEF.exe	100
PID 2356 wrote to memory of 4404	2356	RdrCEF.exe	100
PID 2356 wrote to memory of 4404	2356	RdrCEF.exe	100
PID 2356 wrote to memory of 4404	2356	RdrCEF.exe	100
PID 2356 wrote to memory of 4404	2356	RdrCEF.exe	100
PID 2356 wrote to memory of 4404	2356	RdrCEF.exe	100
PID 2356 wrote to memory of 4404	2356	RdrCEF.exe	100
PID 2356 wrote to memory of 4404	2356	RdrCEF.exe	100
PID 2356 wrote to memory of 4404	2356	RdrCEF.exe	100
PID 2356 wrote to memory of 4404	2356	RdrCEF.exe	100
PID 2356 wrote to memory of 4404	2356	RdrCEF.exe	100
PID 2356 wrote to memory of 4404	2356	RdrCEF.exe	100
PID 2356 wrote to memory of 4404	2356	RdrCEF.exe	100
PID 2356 wrote to memory of 4404	2356	RdrCEF.exe	100
PID 2356 wrote to memory of 4404	2356	RdrCEF.exe	100
PID 2356 wrote to memory of 4404	2356	RdrCEF.exe	100
PID 2356 wrote to memory of 4404	2356	RdrCEF.exe	100
PID 2356 wrote to memory of 4404	2356	RdrCEF.exe	100
PID 2356 wrote to memory of 4404	2356	RdrCEF.exe	100
PID 2356 wrote to memory of 4404	2356	RdrCEF.exe	100
PID 2356 wrote to memory of 4404	2356	RdrCEF.exe	100
PID 2356 wrote to memory of 4404	2356	RdrCEF.exe	100
PID 2356 wrote to memory of 4404	2356	RdrCEF.exe	100
PID 2356 wrote to memory of 4404	2356	RdrCEF.exe	100
PID 2356 wrote to memory of 4404	2356	RdrCEF.exe	100
PID 2356 wrote to memory of 4404	2356	RdrCEF.exe	100
PID 2356 wrote to memory of 4404	2356	RdrCEF.exe	100
PID 2356 wrote to memory of 3008	2356	RdrCEF.exe	101
PID 2356 wrote to memory of 3008	2356	RdrCEF.exe	101
PID 2356 wrote to memory of 3008	2356	RdrCEF.exe	101
PID 2356 wrote to memory of 3008	2356	RdrCEF.exe	101
PID 2356 wrote to memory of 3008	2356	RdrCEF.exe	101
PID 2356 wrote to memory of 3008	2356	RdrCEF.exe	101
PID 2356 wrote to memory of 3008	2356	RdrCEF.exe	101
PID 2356 wrote to memory of 3008	2356	RdrCEF.exe	101
PID 2356 wrote to memory of 3008	2356	RdrCEF.exe	101
PID 2356 wrote to memory of 3008	2356	RdrCEF.exe	101
PID 2356 wrote to memory of 3008	2356	RdrCEF.exe	101
PID 2356 wrote to memory of 3008	2356	RdrCEF.exe	101
PID 2356 wrote to memory of 3008	2356	RdrCEF.exe	101
PID 2356 wrote to memory of 3008	2356	RdrCEF.exe	101
PID 2356 wrote to memory of 3008	2356	RdrCEF.exe	101
PID 2356 wrote to memory of 3008	2356	RdrCEF.exe	101
PID 2356 wrote to memory of 3008	2356	RdrCEF.exe	101
PID 2356 wrote to memory of 3008	2356	RdrCEF.exe	101
PID 2356 wrote to memory of 3008	2356	RdrCEF.exe	101
PID 2356 wrote to memory of 3008	2356	RdrCEF.exe	101

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\ab511fedfcb8342843b0bb16260234b7.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:4764
- 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:2356
- - 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=6ECFCCDA3411DBF9DFAB2C735A067BF5 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4404
- - 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=26848D4F9DDF818666CDE3C6CB860744 --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=26848D4F9DDF818666CDE3C6CB860744 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3008
- - 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=8CFB13C03CD875FCA1D4B95226A3BFE3 --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=8CFB13C03CD875FCA1D4B95226A3BFE3 --renderer-client-id=4 --mojo-platform-channel-handle=2152 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4804
- - 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=D8601C1211BD0D3EEC3583149CEE8B8C --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:832
- - 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=B65B5D2AB1A3D93047A2CBC6DD29F436 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3688
- - 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=710C0F5C4D9452EDC31E4ED5F707F104 --mojo-platform-channel-handle=2664 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4876

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1104

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=2628 --field-trial-handle=3192,i,2785050981002401924,4037047756083432660,262144 --variations-seed-version /prefetch:8
1⤵
PID:3028

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
65448da935aaf1398fb724e0adc6776f

SHA1
dca20fbea170612c901e100dc8c78dd050c1eb27

SHA256
634ad1d016665b3f3ae4de6645df57727c52e9f22905114f36d3322059464e85

SHA512
b59fdd8ebc94af6f97f92f940aead275d82f7ec19effdffa571cac5a196f619716f60a0ef752e334b61eae0bba9ffc2c24a45f80a7ba09c8609f8ccf0f5b2f71

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