a4763a5e9d94c69f4dda0e4df302046e655e785355d81e564156d816d2e1688b

Analysis

max time kernel
147s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28/02/2024, 09:24

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General

Target

ab8dc803d9d5cde8dfe33d619b050358.pdf
Size

74KB
MD5

ab8dc803d9d5cde8dfe33d619b050358
SHA1

399183d446b2a13eaead030d1114d4ba08dcc57d
SHA256

a4763a5e9d94c69f4dda0e4df302046e655e785355d81e564156d816d2e1688b
SHA512

f68b402f3f2fb60e8454cf7f6f8d1bf1d0d3d59343da9f111279b12ebe250ab18f46f05aec14771a0173be7cc5584468d936fdff13e9e3e1df27864cb5c558fc
SSDEEP

1536:uWZzmltCIW3zOXdY4GOK9Kn00NMmdR2fWV1cYnqHW6pOu2VOYGjIC:ZKJiMWntkJNMmdYu1ceqcu2V/q

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-1-5-21-3045580317-3728985860-206385570-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4700	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4700	AcroRd32.exe
4700	AcroRd32.exe
4700	AcroRd32.exe
4700	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4700 wrote to memory of 1396	4700	AcroRd32.exe	91
PID 4700 wrote to memory of 1396	4700	AcroRd32.exe	91
PID 4700 wrote to memory of 1396	4700	AcroRd32.exe	91
PID 1396 wrote to memory of 824	1396	RdrCEF.exe	92
PID 1396 wrote to memory of 824	1396	RdrCEF.exe	92
PID 1396 wrote to memory of 824	1396	RdrCEF.exe	92
PID 1396 wrote to memory of 824	1396	RdrCEF.exe	92
PID 1396 wrote to memory of 824	1396	RdrCEF.exe	92
PID 1396 wrote to memory of 824	1396	RdrCEF.exe	92
PID 1396 wrote to memory of 824	1396	RdrCEF.exe	92
PID 1396 wrote to memory of 824	1396	RdrCEF.exe	92
PID 1396 wrote to memory of 824	1396	RdrCEF.exe	92
PID 1396 wrote to memory of 824	1396	RdrCEF.exe	92
PID 1396 wrote to memory of 824	1396	RdrCEF.exe	92
PID 1396 wrote to memory of 824	1396	RdrCEF.exe	92
PID 1396 wrote to memory of 824	1396	RdrCEF.exe	92
PID 1396 wrote to memory of 824	1396	RdrCEF.exe	92
PID 1396 wrote to memory of 824	1396	RdrCEF.exe	92
PID 1396 wrote to memory of 824	1396	RdrCEF.exe	92
PID 1396 wrote to memory of 824	1396	RdrCEF.exe	92
PID 1396 wrote to memory of 824	1396	RdrCEF.exe	92
PID 1396 wrote to memory of 824	1396	RdrCEF.exe	92
PID 1396 wrote to memory of 824	1396	RdrCEF.exe	92
PID 1396 wrote to memory of 824	1396	RdrCEF.exe	92
PID 1396 wrote to memory of 824	1396	RdrCEF.exe	92
PID 1396 wrote to memory of 824	1396	RdrCEF.exe	92
PID 1396 wrote to memory of 824	1396	RdrCEF.exe	92
PID 1396 wrote to memory of 824	1396	RdrCEF.exe	92
PID 1396 wrote to memory of 824	1396	RdrCEF.exe	92
PID 1396 wrote to memory of 824	1396	RdrCEF.exe	92
PID 1396 wrote to memory of 824	1396	RdrCEF.exe	92
PID 1396 wrote to memory of 824	1396	RdrCEF.exe	92
PID 1396 wrote to memory of 824	1396	RdrCEF.exe	92
PID 1396 wrote to memory of 824	1396	RdrCEF.exe	92
PID 1396 wrote to memory of 824	1396	RdrCEF.exe	92
PID 1396 wrote to memory of 824	1396	RdrCEF.exe	92
PID 1396 wrote to memory of 824	1396	RdrCEF.exe	92
PID 1396 wrote to memory of 824	1396	RdrCEF.exe	92
PID 1396 wrote to memory of 824	1396	RdrCEF.exe	92
PID 1396 wrote to memory of 824	1396	RdrCEF.exe	92
PID 1396 wrote to memory of 824	1396	RdrCEF.exe	92
PID 1396 wrote to memory of 824	1396	RdrCEF.exe	92
PID 1396 wrote to memory of 824	1396	RdrCEF.exe	92
PID 1396 wrote to memory of 824	1396	RdrCEF.exe	92
PID 1396 wrote to memory of 3540	1396	RdrCEF.exe	93
PID 1396 wrote to memory of 3540	1396	RdrCEF.exe	93
PID 1396 wrote to memory of 3540	1396	RdrCEF.exe	93
PID 1396 wrote to memory of 3540	1396	RdrCEF.exe	93
PID 1396 wrote to memory of 3540	1396	RdrCEF.exe	93
PID 1396 wrote to memory of 3540	1396	RdrCEF.exe	93
PID 1396 wrote to memory of 3540	1396	RdrCEF.exe	93
PID 1396 wrote to memory of 3540	1396	RdrCEF.exe	93
PID 1396 wrote to memory of 3540	1396	RdrCEF.exe	93
PID 1396 wrote to memory of 3540	1396	RdrCEF.exe	93
PID 1396 wrote to memory of 3540	1396	RdrCEF.exe	93
PID 1396 wrote to memory of 3540	1396	RdrCEF.exe	93
PID 1396 wrote to memory of 3540	1396	RdrCEF.exe	93
PID 1396 wrote to memory of 3540	1396	RdrCEF.exe	93
PID 1396 wrote to memory of 3540	1396	RdrCEF.exe	93
PID 1396 wrote to memory of 3540	1396	RdrCEF.exe	93
PID 1396 wrote to memory of 3540	1396	RdrCEF.exe	93
PID 1396 wrote to memory of 3540	1396	RdrCEF.exe	93
PID 1396 wrote to memory of 3540	1396	RdrCEF.exe	93
PID 1396 wrote to memory of 3540	1396	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\ab8dc803d9d5cde8dfe33d619b050358.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4700
- 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:1396
- - 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=B23F1537E064A2D2D36A287A183C6E49 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:824
- - 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=CE7FF3ED62E8766BBEB495D75DD3032F --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=CE7FF3ED62E8766BBEB495D75DD3032F --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3540
- - 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=71260D788E84A677425BF624FC2F8F00 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4704
- - 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=1A4F4EE15154774692014EB5E2CD724D --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=1A4F4EE15154774692014EB5E2CD724D --renderer-client-id=5 --mojo-platform-channel-handle=1980 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2324
- - 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=EFCA8C0821F6470DCBA132A394A79B7F --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4780
- - 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=DCDBF5EF635FC2E0FC2D0740354C956E --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4708

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:212

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
9ce9f88fc5b8960945fa19b189a4478d

SHA1
acd44e8622b9358c9453a5c950f2d300945d1260

SHA256
40bb5cb8bdc20cf2032945bf3ecae4f16e2470844785ab827578277dbdb99910

SHA512
e6592b7df3c1da1547057e89dd8d29ac5355705bddfa5258f29de718c61ab21bc3d0daf8c511c8e2f111880c43b5894f2eb39ec7bacd9680f141a8c36050ed6a

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

Filesize
64KB

MD5
1e3bd948daa43c8e5cde1d27126806d2

SHA1
ec171bf36dad7127523ce55b5fdb47614475bb82

SHA256
2a7e07cbdd34f8e9e381b44898e25744e3dead2d7aa85aa49e9116afc4a7e64d

SHA512
da8229219ffc53ae4542da934c04a8d6c151681ccac63e12b37652b94970f76e7f37d746e7a06a4440299f41adab897e646dc731ce9c3383a42e72cd5f0057b8

Download Submit
memory/4700-31-0x000000000AFC0000-0x000000000AFE1000-memory.dmp

Filesize
132KB

Download