eceada3b858168aafc5c5a41dc0509278f9659f1f4aea9b45cdd419d1ea6da72

Analysis

max time kernel
152s
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
27/02/2024, 15:55

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General

Target

a98e19bd75a0e8e56e51b09b3c5a5185.pdf
Size

88KB
MD5

a98e19bd75a0e8e56e51b09b3c5a5185
SHA1

f9a271cad07a53bf1261c74deba25689e3bb4d9a
SHA256

eceada3b858168aafc5c5a41dc0509278f9659f1f4aea9b45cdd419d1ea6da72
SHA512

461c6d59cf5f44ad91c946830ce56355a9eeafb7aeb308f8ddf6d7a028cbaac0194ae38e3b31627de421e2653f327b37f3437d113457c200b2c511c32e9858f4
SSDEEP

1536:ll5v2ATyg7F0O6gVv14xkKTVMHaToIZIksTWuCETzD1uU3vQWUVhMqIg8WspORFd:v5BWg7F0O3VNFKT5MJksTWudfD1uAk/x

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
3208	AcroRd32.exe
3208	AcroRd32.exe
3208	AcroRd32.exe
3208	AcroRd32.exe
3208	AcroRd32.exe
3208	AcroRd32.exe
3208	AcroRd32.exe
3208	AcroRd32.exe
3208	AcroRd32.exe
3208	AcroRd32.exe
3208	AcroRd32.exe
3208	AcroRd32.exe
3208	AcroRd32.exe
3208	AcroRd32.exe
3208	AcroRd32.exe
3208	AcroRd32.exe
3208	AcroRd32.exe
3208	AcroRd32.exe
3208	AcroRd32.exe
3208	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3208	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3208	AcroRd32.exe
3208	AcroRd32.exe
3208	AcroRd32.exe
3208	AcroRd32.exe
3208	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3208 wrote to memory of 3108	3208	AcroRd32.exe	96
PID 3208 wrote to memory of 3108	3208	AcroRd32.exe	96
PID 3208 wrote to memory of 3108	3208	AcroRd32.exe	96
PID 3108 wrote to memory of 3412	3108	RdrCEF.exe	97
PID 3108 wrote to memory of 3412	3108	RdrCEF.exe	97
PID 3108 wrote to memory of 3412	3108	RdrCEF.exe	97
PID 3108 wrote to memory of 3412	3108	RdrCEF.exe	97
PID 3108 wrote to memory of 3412	3108	RdrCEF.exe	97
PID 3108 wrote to memory of 3412	3108	RdrCEF.exe	97
PID 3108 wrote to memory of 3412	3108	RdrCEF.exe	97
PID 3108 wrote to memory of 3412	3108	RdrCEF.exe	97
PID 3108 wrote to memory of 3412	3108	RdrCEF.exe	97
PID 3108 wrote to memory of 3412	3108	RdrCEF.exe	97
PID 3108 wrote to memory of 3412	3108	RdrCEF.exe	97
PID 3108 wrote to memory of 3412	3108	RdrCEF.exe	97
PID 3108 wrote to memory of 3412	3108	RdrCEF.exe	97
PID 3108 wrote to memory of 3412	3108	RdrCEF.exe	97
PID 3108 wrote to memory of 3412	3108	RdrCEF.exe	97
PID 3108 wrote to memory of 3412	3108	RdrCEF.exe	97
PID 3108 wrote to memory of 3412	3108	RdrCEF.exe	97
PID 3108 wrote to memory of 3412	3108	RdrCEF.exe	97
PID 3108 wrote to memory of 3412	3108	RdrCEF.exe	97
PID 3108 wrote to memory of 3412	3108	RdrCEF.exe	97
PID 3108 wrote to memory of 3412	3108	RdrCEF.exe	97
PID 3108 wrote to memory of 3412	3108	RdrCEF.exe	97
PID 3108 wrote to memory of 3412	3108	RdrCEF.exe	97
PID 3108 wrote to memory of 3412	3108	RdrCEF.exe	97
PID 3108 wrote to memory of 3412	3108	RdrCEF.exe	97
PID 3108 wrote to memory of 3412	3108	RdrCEF.exe	97
PID 3108 wrote to memory of 3412	3108	RdrCEF.exe	97
PID 3108 wrote to memory of 3412	3108	RdrCEF.exe	97
PID 3108 wrote to memory of 3412	3108	RdrCEF.exe	97
PID 3108 wrote to memory of 3412	3108	RdrCEF.exe	97
PID 3108 wrote to memory of 3412	3108	RdrCEF.exe	97
PID 3108 wrote to memory of 3412	3108	RdrCEF.exe	97
PID 3108 wrote to memory of 3412	3108	RdrCEF.exe	97
PID 3108 wrote to memory of 3412	3108	RdrCEF.exe	97
PID 3108 wrote to memory of 3412	3108	RdrCEF.exe	97
PID 3108 wrote to memory of 3412	3108	RdrCEF.exe	97
PID 3108 wrote to memory of 3412	3108	RdrCEF.exe	97
PID 3108 wrote to memory of 3412	3108	RdrCEF.exe	97
PID 3108 wrote to memory of 3412	3108	RdrCEF.exe	97
PID 3108 wrote to memory of 3412	3108	RdrCEF.exe	97
PID 3108 wrote to memory of 3412	3108	RdrCEF.exe	97
PID 3108 wrote to memory of 3528	3108	RdrCEF.exe	98
PID 3108 wrote to memory of 3528	3108	RdrCEF.exe	98
PID 3108 wrote to memory of 3528	3108	RdrCEF.exe	98
PID 3108 wrote to memory of 3528	3108	RdrCEF.exe	98
PID 3108 wrote to memory of 3528	3108	RdrCEF.exe	98
PID 3108 wrote to memory of 3528	3108	RdrCEF.exe	98
PID 3108 wrote to memory of 3528	3108	RdrCEF.exe	98
PID 3108 wrote to memory of 3528	3108	RdrCEF.exe	98
PID 3108 wrote to memory of 3528	3108	RdrCEF.exe	98
PID 3108 wrote to memory of 3528	3108	RdrCEF.exe	98
PID 3108 wrote to memory of 3528	3108	RdrCEF.exe	98
PID 3108 wrote to memory of 3528	3108	RdrCEF.exe	98
PID 3108 wrote to memory of 3528	3108	RdrCEF.exe	98
PID 3108 wrote to memory of 3528	3108	RdrCEF.exe	98
PID 3108 wrote to memory of 3528	3108	RdrCEF.exe	98
PID 3108 wrote to memory of 3528	3108	RdrCEF.exe	98
PID 3108 wrote to memory of 3528	3108	RdrCEF.exe	98
PID 3108 wrote to memory of 3528	3108	RdrCEF.exe	98
PID 3108 wrote to memory of 3528	3108	RdrCEF.exe	98
PID 3108 wrote to memory of 3528	3108	RdrCEF.exe	98

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\a98e19bd75a0e8e56e51b09b3c5a5185.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:3208
- 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:3108
- - 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=2B16CB10310E6C843A15001D68CD2805 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3412
- - 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=76B6F0E9D7561E97FF16989EB6765536 --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=76B6F0E9D7561E97FF16989EB6765536 --renderer-client-id=2 --mojo-platform-channel-handle=1800 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3528
- - 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=3DB77E26E119D77931E21D50CB881808 --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=3DB77E26E119D77931E21D50CB881808 --renderer-client-id=4 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4312
- - 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=EEEB2AD7751D3BBE754B961201438F65 --mojo-platform-channel-handle=2580 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3564
- - 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=F597AC2131F0E5A2732E9D354018C8BE --mojo-platform-channel-handle=1796 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3908
- - 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=88D8F4E7E4BD2FE5D34E44A3F4200485 --mojo-platform-channel-handle=2120 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3824

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=4088 --field-trial-handle=3088,i,14310325015283915034,7660943942870463106,262144 --variations-seed-version /prefetch:8
1⤵
PID:2364

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
af4791374644b00c61a79c29d66b5c64

SHA1
f5f54e3042cd17f948c114a35f010577747dd1be

SHA256
a209ea5f6579a3a8d603fbd847f22b7e0837eaf43dd2da17a69666e4e3744ac5

SHA512
41d1b643a24ebb211f7b8853737908040afae1e134a902960dd80a963ff756757e8284ec5834650a3f8bee5f542a394ce2baddd8f17bed0bb55954a0611f571d

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