7a397e25dfb0cf2809e68fdce6513a9675012d830f71db0690bd25b75fb19dad

Analysis

max time kernel
144s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
27/01/2024, 04:33

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General

Target

79493ad39fd21f84a9631c44b1c4dcee.pdf
Size

105KB
MD5

79493ad39fd21f84a9631c44b1c4dcee
SHA1

be99ce3369c0c2a396d45f5ba584bb327c51548c
SHA256

7a397e25dfb0cf2809e68fdce6513a9675012d830f71db0690bd25b75fb19dad
SHA512

90fce960e07ac10e7cae75e9a97ae7ade2dd9ff80dd0606bc6eaf5a75eb5fceb7dce3746ca458ebccabf1efc94555ccf0647dd2ff5cd63c1c8f5c9da6861a353
SSDEEP

3072:uVgo3fbCOKw50D3ZhuOV5mXFE2tQS23H+0PyfPAqH2J:uV3TP0DmOaOyapPyu

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
236	AcroRd32.exe
236	AcroRd32.exe
236	AcroRd32.exe
236	AcroRd32.exe
236	AcroRd32.exe
236	AcroRd32.exe
236	AcroRd32.exe
236	AcroRd32.exe
236	AcroRd32.exe
236	AcroRd32.exe
236	AcroRd32.exe
236	AcroRd32.exe
236	AcroRd32.exe
236	AcroRd32.exe
236	AcroRd32.exe
236	AcroRd32.exe
236	AcroRd32.exe
236	AcroRd32.exe
236	AcroRd32.exe
236	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
236	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
236	AcroRd32.exe
236	AcroRd32.exe
236	AcroRd32.exe
236	AcroRd32.exe
236	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 236 wrote to memory of 404	236	AcroRd32.exe	92
PID 236 wrote to memory of 404	236	AcroRd32.exe	92
PID 236 wrote to memory of 404	236	AcroRd32.exe	92
PID 404 wrote to memory of 3684	404	RdrCEF.exe	93
PID 404 wrote to memory of 3684	404	RdrCEF.exe	93
PID 404 wrote to memory of 3684	404	RdrCEF.exe	93
PID 404 wrote to memory of 3684	404	RdrCEF.exe	93
PID 404 wrote to memory of 3684	404	RdrCEF.exe	93
PID 404 wrote to memory of 3684	404	RdrCEF.exe	93
PID 404 wrote to memory of 3684	404	RdrCEF.exe	93
PID 404 wrote to memory of 3684	404	RdrCEF.exe	93
PID 404 wrote to memory of 3684	404	RdrCEF.exe	93
PID 404 wrote to memory of 3684	404	RdrCEF.exe	93
PID 404 wrote to memory of 3684	404	RdrCEF.exe	93
PID 404 wrote to memory of 3684	404	RdrCEF.exe	93
PID 404 wrote to memory of 3684	404	RdrCEF.exe	93
PID 404 wrote to memory of 3684	404	RdrCEF.exe	93
PID 404 wrote to memory of 3684	404	RdrCEF.exe	93
PID 404 wrote to memory of 3684	404	RdrCEF.exe	93
PID 404 wrote to memory of 3684	404	RdrCEF.exe	93
PID 404 wrote to memory of 3684	404	RdrCEF.exe	93
PID 404 wrote to memory of 3684	404	RdrCEF.exe	93
PID 404 wrote to memory of 3684	404	RdrCEF.exe	93
PID 404 wrote to memory of 3684	404	RdrCEF.exe	93
PID 404 wrote to memory of 3684	404	RdrCEF.exe	93
PID 404 wrote to memory of 3684	404	RdrCEF.exe	93
PID 404 wrote to memory of 3684	404	RdrCEF.exe	93
PID 404 wrote to memory of 3684	404	RdrCEF.exe	93
PID 404 wrote to memory of 3684	404	RdrCEF.exe	93
PID 404 wrote to memory of 3684	404	RdrCEF.exe	93
PID 404 wrote to memory of 3684	404	RdrCEF.exe	93
PID 404 wrote to memory of 3684	404	RdrCEF.exe	93
PID 404 wrote to memory of 3684	404	RdrCEF.exe	93
PID 404 wrote to memory of 3684	404	RdrCEF.exe	93
PID 404 wrote to memory of 3684	404	RdrCEF.exe	93
PID 404 wrote to memory of 3684	404	RdrCEF.exe	93
PID 404 wrote to memory of 3684	404	RdrCEF.exe	93
PID 404 wrote to memory of 3684	404	RdrCEF.exe	93
PID 404 wrote to memory of 3684	404	RdrCEF.exe	93
PID 404 wrote to memory of 3684	404	RdrCEF.exe	93
PID 404 wrote to memory of 3684	404	RdrCEF.exe	93
PID 404 wrote to memory of 3684	404	RdrCEF.exe	93
PID 404 wrote to memory of 3684	404	RdrCEF.exe	93
PID 404 wrote to memory of 3684	404	RdrCEF.exe	93
PID 404 wrote to memory of 1464	404	RdrCEF.exe	94
PID 404 wrote to memory of 1464	404	RdrCEF.exe	94
PID 404 wrote to memory of 1464	404	RdrCEF.exe	94
PID 404 wrote to memory of 1464	404	RdrCEF.exe	94
PID 404 wrote to memory of 1464	404	RdrCEF.exe	94
PID 404 wrote to memory of 1464	404	RdrCEF.exe	94
PID 404 wrote to memory of 1464	404	RdrCEF.exe	94
PID 404 wrote to memory of 1464	404	RdrCEF.exe	94
PID 404 wrote to memory of 1464	404	RdrCEF.exe	94
PID 404 wrote to memory of 1464	404	RdrCEF.exe	94
PID 404 wrote to memory of 1464	404	RdrCEF.exe	94
PID 404 wrote to memory of 1464	404	RdrCEF.exe	94
PID 404 wrote to memory of 1464	404	RdrCEF.exe	94
PID 404 wrote to memory of 1464	404	RdrCEF.exe	94
PID 404 wrote to memory of 1464	404	RdrCEF.exe	94
PID 404 wrote to memory of 1464	404	RdrCEF.exe	94
PID 404 wrote to memory of 1464	404	RdrCEF.exe	94
PID 404 wrote to memory of 1464	404	RdrCEF.exe	94
PID 404 wrote to memory of 1464	404	RdrCEF.exe	94
PID 404 wrote to memory of 1464	404	RdrCEF.exe	94

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\79493ad39fd21f84a9631c44b1c4dcee.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:236
- 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:404
- - 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=E016D73C709FCC9226D10682960CC8A9 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3684
- - 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=E1B71494B35846798DAB94B413876194 --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=E1B71494B35846798DAB94B413876194 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1464
- - 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=5371D0146726ACAC594B89B326DEA1A4 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5068
- - 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=B6FADA0FD8E498C4CCF43AAA2DE59209 --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=B6FADA0FD8E498C4CCF43AAA2DE59209 --renderer-client-id=5 --mojo-platform-channel-handle=1936 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3036
- - 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=C6C18DAFA60288EC37399ECA98F97E41 --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3484
- - 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=5BDACBBF824DF3E19EA9487A8D3A0A97 --mojo-platform-channel-handle=2356 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:808

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4416

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
1d262d2ce903c8c7bc7a01e30933b5a7

SHA1
4ccbce59b6159ca9b79d95735caf92a821482729

SHA256
cb48aa81a6107ead5a19b78271ad41ffbf4962dcf004a4fab629593dbe1554f2

SHA512
6fc58f553ee940309a4b1758605782d71159c44d48d03d69b550e8863296e6e0e1245226916cc34c4f6488c8be3ca2dd35d9b3266287a24e47ded318daecd3bb

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/236-26-0x000000000D0E0000-0x000000000D130000-memory.dmp

Filesize
320KB

Download
memory/236-27-0x000000000D0E0000-0x000000000D101000-memory.dmp

Filesize
132KB

Download