3daeb0b26c53fc4e25c826f2f729a1448ac188e4b4b2b3719e4ea5b42902f6bb

Analysis

max time kernel
149s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
14/03/2024, 09:07

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General

Target

c83c39916da65d05dcdbe8a99cd80518.pdf
Size

88KB
MD5

c83c39916da65d05dcdbe8a99cd80518
SHA1

f8e7a8bc565a5801af6409e5cbc38f7f14afc8da
SHA256

3daeb0b26c53fc4e25c826f2f729a1448ac188e4b4b2b3719e4ea5b42902f6bb
SHA512

14455ee84915a2b86e20292a463d15eae32b8205ca6ba92e537fa3b242ccc5c0ff87e143b9f5567845f0f8c3f45705bd6642b26b99db09d8ac03df553275aa20
SSDEEP

1536:NDGvqxOXTBlPR+LStywjI4QvM77RvsgGoPIYJyL7HZvjWD9nIawdKYXy1hlpWUpa:1VWBlpCSwmj177lsgrPIEynHJsIXoY06

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-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2380	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe
2380	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 3084	2380	AcroRd32.exe	97
PID 2380 wrote to memory of 3084	2380	AcroRd32.exe	97
PID 2380 wrote to memory of 3084	2380	AcroRd32.exe	97
PID 3084 wrote to memory of 3840	3084	RdrCEF.exe	100
PID 3084 wrote to memory of 3840	3084	RdrCEF.exe	100
PID 3084 wrote to memory of 3840	3084	RdrCEF.exe	100
PID 3084 wrote to memory of 3840	3084	RdrCEF.exe	100
PID 3084 wrote to memory of 3840	3084	RdrCEF.exe	100
PID 3084 wrote to memory of 3840	3084	RdrCEF.exe	100
PID 3084 wrote to memory of 3840	3084	RdrCEF.exe	100
PID 3084 wrote to memory of 3840	3084	RdrCEF.exe	100
PID 3084 wrote to memory of 3840	3084	RdrCEF.exe	100
PID 3084 wrote to memory of 3840	3084	RdrCEF.exe	100
PID 3084 wrote to memory of 3840	3084	RdrCEF.exe	100
PID 3084 wrote to memory of 3840	3084	RdrCEF.exe	100
PID 3084 wrote to memory of 3840	3084	RdrCEF.exe	100
PID 3084 wrote to memory of 3840	3084	RdrCEF.exe	100
PID 3084 wrote to memory of 3840	3084	RdrCEF.exe	100
PID 3084 wrote to memory of 3840	3084	RdrCEF.exe	100
PID 3084 wrote to memory of 3840	3084	RdrCEF.exe	100
PID 3084 wrote to memory of 3840	3084	RdrCEF.exe	100
PID 3084 wrote to memory of 3840	3084	RdrCEF.exe	100
PID 3084 wrote to memory of 3840	3084	RdrCEF.exe	100
PID 3084 wrote to memory of 3840	3084	RdrCEF.exe	100
PID 3084 wrote to memory of 3840	3084	RdrCEF.exe	100
PID 3084 wrote to memory of 3840	3084	RdrCEF.exe	100
PID 3084 wrote to memory of 3840	3084	RdrCEF.exe	100
PID 3084 wrote to memory of 3840	3084	RdrCEF.exe	100
PID 3084 wrote to memory of 3840	3084	RdrCEF.exe	100
PID 3084 wrote to memory of 3840	3084	RdrCEF.exe	100
PID 3084 wrote to memory of 3840	3084	RdrCEF.exe	100
PID 3084 wrote to memory of 3840	3084	RdrCEF.exe	100
PID 3084 wrote to memory of 3840	3084	RdrCEF.exe	100
PID 3084 wrote to memory of 3840	3084	RdrCEF.exe	100
PID 3084 wrote to memory of 3840	3084	RdrCEF.exe	100
PID 3084 wrote to memory of 3840	3084	RdrCEF.exe	100
PID 3084 wrote to memory of 3840	3084	RdrCEF.exe	100
PID 3084 wrote to memory of 3840	3084	RdrCEF.exe	100
PID 3084 wrote to memory of 3840	3084	RdrCEF.exe	100
PID 3084 wrote to memory of 3840	3084	RdrCEF.exe	100
PID 3084 wrote to memory of 3840	3084	RdrCEF.exe	100
PID 3084 wrote to memory of 3840	3084	RdrCEF.exe	100
PID 3084 wrote to memory of 3840	3084	RdrCEF.exe	100
PID 3084 wrote to memory of 3840	3084	RdrCEF.exe	100
PID 3084 wrote to memory of 3840	3084	RdrCEF.exe	100
PID 3084 wrote to memory of 3840	3084	RdrCEF.exe	100
PID 3084 wrote to memory of 4816	3084	RdrCEF.exe	101
PID 3084 wrote to memory of 4816	3084	RdrCEF.exe	101
PID 3084 wrote to memory of 4816	3084	RdrCEF.exe	101
PID 3084 wrote to memory of 4816	3084	RdrCEF.exe	101
PID 3084 wrote to memory of 4816	3084	RdrCEF.exe	101
PID 3084 wrote to memory of 4816	3084	RdrCEF.exe	101
PID 3084 wrote to memory of 4816	3084	RdrCEF.exe	101
PID 3084 wrote to memory of 4816	3084	RdrCEF.exe	101
PID 3084 wrote to memory of 4816	3084	RdrCEF.exe	101
PID 3084 wrote to memory of 4816	3084	RdrCEF.exe	101
PID 3084 wrote to memory of 4816	3084	RdrCEF.exe	101
PID 3084 wrote to memory of 4816	3084	RdrCEF.exe	101
PID 3084 wrote to memory of 4816	3084	RdrCEF.exe	101
PID 3084 wrote to memory of 4816	3084	RdrCEF.exe	101
PID 3084 wrote to memory of 4816	3084	RdrCEF.exe	101
PID 3084 wrote to memory of 4816	3084	RdrCEF.exe	101
PID 3084 wrote to memory of 4816	3084	RdrCEF.exe	101
PID 3084 wrote to memory of 4816	3084	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\c83c39916da65d05dcdbe8a99cd80518.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:2380
- 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:3084
- - 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=88CC0B7DE7648CBD1F857623CDCF5EBC --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=88CC0B7DE7648CBD1F857623CDCF5EBC --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3840
- - 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=5EBDB18B9667D5BBF9E77308C88A68D4 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4816
- - 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=030276255F92DC6C4A2D1934EA5191C0 --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=030276255F92DC6C4A2D1934EA5191C0 --renderer-client-id=4 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4248
- - 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=864B0B30D464D94926568D73431E2E5F --mojo-platform-channel-handle=2336 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3356
- - 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=F4ACDC0E50F087C0829656BBA82BDD1E --mojo-platform-channel-handle=2656 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4124
- - 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=03EB94F9D4B1975C2724263309B093BA --mojo-platform-channel-handle=2520 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5296

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=4016 --field-trial-handle=2276,i,1205556100727695622,5044463180471657307,262144 --variations-seed-version /prefetch:8
1⤵
PID:4656

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
b80e0c89c84324434b35418691661bfc

SHA1
da178a0b59889e99a7348e53cb7f963bd7782ccf

SHA256
6fa9f388a19f51b801c1fec417b5d7881784dcc4f3f3a3a4ac756c3bc99d5cb5

SHA512
26bbd9f970a57295bc521719479b70cfc27a402008bbf5d0f7cf5ecf8c1ef684955240b15c1bacdd682773a92635d7614742ead62762546049d52e156578a096

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/2380-28-0x000000000BEF0000-0x000000000BF11000-memory.dmp

Filesize
132KB

Download