61cc9abeb89b9ae51dc3e4401b692cab617ad4d7d9d2fc9ccc60b5076cd37154

Analysis

max time kernel
142s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
19/06/2024, 16:12

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General

Target

2213993.pdf
Size

58KB
MD5

9789ed82395873dc72adb8d0c7258001
SHA1

a03013408648b55910a33c4cf265f2a327a0133f
SHA256

61cc9abeb89b9ae51dc3e4401b692cab617ad4d7d9d2fc9ccc60b5076cd37154
SHA512

b8b3fe5d91c5edb82edf3308d77930ec5cdfc8030569e2e5a84021f34082b90117bc4924cbce5b73e5bd68a39952be6e3324300e9d16e721a0004026501be3af
SSDEEP

1536:sMMhM7sQeZK5IfV1uKOOvvDwOSwcNnYnMjkUlfDiD:stM7sQ4KGV3vvDOJ94an7A

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
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4796	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe
4796	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4796 wrote to memory of 2148	4796	AcroRd32.exe	91
PID 4796 wrote to memory of 2148	4796	AcroRd32.exe	91
PID 4796 wrote to memory of 2148	4796	AcroRd32.exe	91
PID 2148 wrote to memory of 3648	2148	RdrCEF.exe	92
PID 2148 wrote to memory of 3648	2148	RdrCEF.exe	92
PID 2148 wrote to memory of 3648	2148	RdrCEF.exe	92
PID 2148 wrote to memory of 3648	2148	RdrCEF.exe	92
PID 2148 wrote to memory of 3648	2148	RdrCEF.exe	92
PID 2148 wrote to memory of 3648	2148	RdrCEF.exe	92
PID 2148 wrote to memory of 3648	2148	RdrCEF.exe	92
PID 2148 wrote to memory of 3648	2148	RdrCEF.exe	92
PID 2148 wrote to memory of 3648	2148	RdrCEF.exe	92
PID 2148 wrote to memory of 3648	2148	RdrCEF.exe	92
PID 2148 wrote to memory of 3648	2148	RdrCEF.exe	92
PID 2148 wrote to memory of 3648	2148	RdrCEF.exe	92
PID 2148 wrote to memory of 3648	2148	RdrCEF.exe	92
PID 2148 wrote to memory of 3648	2148	RdrCEF.exe	92
PID 2148 wrote to memory of 3648	2148	RdrCEF.exe	92
PID 2148 wrote to memory of 3648	2148	RdrCEF.exe	92
PID 2148 wrote to memory of 3648	2148	RdrCEF.exe	92
PID 2148 wrote to memory of 3648	2148	RdrCEF.exe	92
PID 2148 wrote to memory of 3648	2148	RdrCEF.exe	92
PID 2148 wrote to memory of 3648	2148	RdrCEF.exe	92
PID 2148 wrote to memory of 3648	2148	RdrCEF.exe	92
PID 2148 wrote to memory of 3648	2148	RdrCEF.exe	92
PID 2148 wrote to memory of 3648	2148	RdrCEF.exe	92
PID 2148 wrote to memory of 3648	2148	RdrCEF.exe	92
PID 2148 wrote to memory of 3648	2148	RdrCEF.exe	92
PID 2148 wrote to memory of 3648	2148	RdrCEF.exe	92
PID 2148 wrote to memory of 3648	2148	RdrCEF.exe	92
PID 2148 wrote to memory of 3648	2148	RdrCEF.exe	92
PID 2148 wrote to memory of 3648	2148	RdrCEF.exe	92
PID 2148 wrote to memory of 3648	2148	RdrCEF.exe	92
PID 2148 wrote to memory of 3648	2148	RdrCEF.exe	92
PID 2148 wrote to memory of 3648	2148	RdrCEF.exe	92
PID 2148 wrote to memory of 3648	2148	RdrCEF.exe	92
PID 2148 wrote to memory of 3648	2148	RdrCEF.exe	92
PID 2148 wrote to memory of 3648	2148	RdrCEF.exe	92
PID 2148 wrote to memory of 3648	2148	RdrCEF.exe	92
PID 2148 wrote to memory of 3648	2148	RdrCEF.exe	92
PID 2148 wrote to memory of 3648	2148	RdrCEF.exe	92
PID 2148 wrote to memory of 3648	2148	RdrCEF.exe	92
PID 2148 wrote to memory of 3648	2148	RdrCEF.exe	92
PID 2148 wrote to memory of 3648	2148	RdrCEF.exe	92
PID 2148 wrote to memory of 2140	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 2140	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 2140	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 2140	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 2140	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 2140	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 2140	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 2140	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 2140	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 2140	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 2140	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 2140	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 2140	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 2140	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 2140	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 2140	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 2140	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 2140	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 2140	2148	RdrCEF.exe	93
PID 2148 wrote to memory of 2140	2148	RdrCEF.exe	93

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\2213993.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:4796
- 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:2148
- - 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=B2F8A56EB7A41BFADF8B590F68092913 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3648
- - 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=AFA7DB1968C1C8B73F917BB22DBD34D5 --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=AFA7DB1968C1C8B73F917BB22DBD34D5 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2140
- - 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=82C4EE98819B3DD5F3E9236D1A5DC9F3 --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=82C4EE98819B3DD5F3E9236D1A5DC9F3 --renderer-client-id=4 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4040
- - 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=F84F2B550022E4C726544C20A902B4C4 --mojo-platform-channel-handle=1856 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4068
- - 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=3BA4B79A7176F9F4BDCE4B39F5E315BD --mojo-platform-channel-handle=2684 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2168
- - 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=5A237BF8C68B445265D65E89435A8DB2 --mojo-platform-channel-handle=2660 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4592

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=1028 --field-trial-handle=2272,i,4858140932023865871,5726683989663339295,262144 --variations-seed-version /prefetch:8
1⤵
PID:2112

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

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Downloads

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

Filesize
64KB

MD5
12857a6beeac00339b4e5424843bc278

SHA1
eaf89d271f4f0a7e798ad20a083f77e3aa18b409

SHA256
85a49d235db16c1c061db2c8147bff524cd1a14c045094d90281a0e6fa05bbf6

SHA512
82eeee0dfb579ccd6d8a1b4c8284f0ddf515094c3bac3706f67c798f54e164876647894de512c0d3109b76dc7af165a698573059c4591fccda33ffc48d8e148a

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