fb5a920c98ff11c1bdbbec4cc9ecfaa008262f5d5c966bec47f1cfd3e76d9027

Analysis

max time kernel
141s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
27/01/2024, 10:12

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General

Target

79f73ca9e79b280fa60252035f0ab858.pdf
Size

93KB
MD5

79f73ca9e79b280fa60252035f0ab858
SHA1

5fa0cdb3634a15ff4f0f03e3908128086a76cc56
SHA256

fb5a920c98ff11c1bdbbec4cc9ecfaa008262f5d5c966bec47f1cfd3e76d9027
SHA512

e1171c792e29bfade009a5993aa56b2e24bd5736db9757871f34e71eddc052c771923f503ac56a480009aa4a7e22e33895a59658c90490a2897527eaaa2a98de
SSDEEP

1536:u4DQCKtwpfpG2AicTOgXwMPb3wR7twcM+TADYMBsx3Z0Ga1pD89WADXy2bo1QW6o:dQC19pCRPb3wJqcMdYMg0Gar8DC2e5u+

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2412	AcroRd32.exe
2412	AcroRd32.exe
2412	AcroRd32.exe
2412	AcroRd32.exe
2412	AcroRd32.exe
2412	AcroRd32.exe
2412	AcroRd32.exe
2412	AcroRd32.exe
2412	AcroRd32.exe
2412	AcroRd32.exe
2412	AcroRd32.exe
2412	AcroRd32.exe
2412	AcroRd32.exe
2412	AcroRd32.exe
2412	AcroRd32.exe
2412	AcroRd32.exe
2412	AcroRd32.exe
2412	AcroRd32.exe
2412	AcroRd32.exe
2412	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2412	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2412	AcroRd32.exe
2412	AcroRd32.exe
2412	AcroRd32.exe
2412	AcroRd32.exe
2412	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2412 wrote to memory of 4620	2412	AcroRd32.exe	93
PID 2412 wrote to memory of 4620	2412	AcroRd32.exe	93
PID 2412 wrote to memory of 4620	2412	AcroRd32.exe	93
PID 4620 wrote to memory of 4512	4620	RdrCEF.exe	94
PID 4620 wrote to memory of 4512	4620	RdrCEF.exe	94
PID 4620 wrote to memory of 4512	4620	RdrCEF.exe	94
PID 4620 wrote to memory of 4512	4620	RdrCEF.exe	94
PID 4620 wrote to memory of 4512	4620	RdrCEF.exe	94
PID 4620 wrote to memory of 4512	4620	RdrCEF.exe	94
PID 4620 wrote to memory of 4512	4620	RdrCEF.exe	94
PID 4620 wrote to memory of 4512	4620	RdrCEF.exe	94
PID 4620 wrote to memory of 4512	4620	RdrCEF.exe	94
PID 4620 wrote to memory of 4512	4620	RdrCEF.exe	94
PID 4620 wrote to memory of 4512	4620	RdrCEF.exe	94
PID 4620 wrote to memory of 4512	4620	RdrCEF.exe	94
PID 4620 wrote to memory of 4512	4620	RdrCEF.exe	94
PID 4620 wrote to memory of 4512	4620	RdrCEF.exe	94
PID 4620 wrote to memory of 4512	4620	RdrCEF.exe	94
PID 4620 wrote to memory of 4512	4620	RdrCEF.exe	94
PID 4620 wrote to memory of 4512	4620	RdrCEF.exe	94
PID 4620 wrote to memory of 4512	4620	RdrCEF.exe	94
PID 4620 wrote to memory of 4512	4620	RdrCEF.exe	94
PID 4620 wrote to memory of 4512	4620	RdrCEF.exe	94
PID 4620 wrote to memory of 4512	4620	RdrCEF.exe	94
PID 4620 wrote to memory of 4512	4620	RdrCEF.exe	94
PID 4620 wrote to memory of 4512	4620	RdrCEF.exe	94
PID 4620 wrote to memory of 4512	4620	RdrCEF.exe	94
PID 4620 wrote to memory of 4512	4620	RdrCEF.exe	94
PID 4620 wrote to memory of 4512	4620	RdrCEF.exe	94
PID 4620 wrote to memory of 4512	4620	RdrCEF.exe	94
PID 4620 wrote to memory of 4512	4620	RdrCEF.exe	94
PID 4620 wrote to memory of 4512	4620	RdrCEF.exe	94
PID 4620 wrote to memory of 4512	4620	RdrCEF.exe	94
PID 4620 wrote to memory of 4512	4620	RdrCEF.exe	94
PID 4620 wrote to memory of 4512	4620	RdrCEF.exe	94
PID 4620 wrote to memory of 4512	4620	RdrCEF.exe	94
PID 4620 wrote to memory of 4512	4620	RdrCEF.exe	94
PID 4620 wrote to memory of 4512	4620	RdrCEF.exe	94
PID 4620 wrote to memory of 4512	4620	RdrCEF.exe	94
PID 4620 wrote to memory of 4512	4620	RdrCEF.exe	94
PID 4620 wrote to memory of 4512	4620	RdrCEF.exe	94
PID 4620 wrote to memory of 4512	4620	RdrCEF.exe	94
PID 4620 wrote to memory of 4512	4620	RdrCEF.exe	94
PID 4620 wrote to memory of 4512	4620	RdrCEF.exe	94
PID 4620 wrote to memory of 4016	4620	RdrCEF.exe	95
PID 4620 wrote to memory of 4016	4620	RdrCEF.exe	95
PID 4620 wrote to memory of 4016	4620	RdrCEF.exe	95
PID 4620 wrote to memory of 4016	4620	RdrCEF.exe	95
PID 4620 wrote to memory of 4016	4620	RdrCEF.exe	95
PID 4620 wrote to memory of 4016	4620	RdrCEF.exe	95
PID 4620 wrote to memory of 4016	4620	RdrCEF.exe	95
PID 4620 wrote to memory of 4016	4620	RdrCEF.exe	95
PID 4620 wrote to memory of 4016	4620	RdrCEF.exe	95
PID 4620 wrote to memory of 4016	4620	RdrCEF.exe	95
PID 4620 wrote to memory of 4016	4620	RdrCEF.exe	95
PID 4620 wrote to memory of 4016	4620	RdrCEF.exe	95
PID 4620 wrote to memory of 4016	4620	RdrCEF.exe	95
PID 4620 wrote to memory of 4016	4620	RdrCEF.exe	95
PID 4620 wrote to memory of 4016	4620	RdrCEF.exe	95
PID 4620 wrote to memory of 4016	4620	RdrCEF.exe	95
PID 4620 wrote to memory of 4016	4620	RdrCEF.exe	95
PID 4620 wrote to memory of 4016	4620	RdrCEF.exe	95
PID 4620 wrote to memory of 4016	4620	RdrCEF.exe	95
PID 4620 wrote to memory of 4016	4620	RdrCEF.exe	95

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\79f73ca9e79b280fa60252035f0ab858.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:2412
- 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:4620
- - 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=561A237A9C7E166033C03DD43C700A70 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4512
- - 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=2BD9E88C7E336812B44B24409AE49E33 --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=2BD9E88C7E336812B44B24409AE49E33 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4016
- - 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=A4B61BC522F25621ECA2B8C9B9BF8753 --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4132
- - 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=7CA22F81CA60E28969A76274CFE87883 --mojo-platform-channel-handle=1968 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1228
- - 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=60521BBAE1D0AC8545983FBB7BE68E32 --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=60521BBAE1D0AC8545983FBB7BE68E32 --renderer-client-id=6 --mojo-platform-channel-handle=2436 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2624
- - 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=99311CA4B7A661398B6F1BA88AFB1927 --mojo-platform-channel-handle=2536 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:772

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2096

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
aa9aece4d98dce9c4c7a16969b9ee003

SHA1
a6b67cfb06cde8c7382ad2dd6134228c4c788ff6

SHA256
ac84e01d2ed0a703d5717babb449777dae9d19c10252365a8415fe4f1d5c0bdd

SHA512
eeaee2148bbd75b08bd0833c5fca93c8ccb088257faee93ffd978c4a83b9c88b2bba50b4c9a2b954b58fb798e900bb0f4a713433dee97889d599984f38ad0bf2

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