7e91b67bda6a49335fd4ec60ff78e043871cd0b810e67e739ae0acd753d92109

Analysis

max time kernel
152s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28/03/2024, 22:21

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General

Target

7e91b67bda6a49335fd4ec60ff78e043871cd0b810e67e739ae0acd753d92109.pdf
Size

983KB
MD5

0333451e53b64222f6ce6d6f5c27a667
SHA1

c3ac10ff0c689f2bd9afbdf313c1579e7b40b802
SHA256

7e91b67bda6a49335fd4ec60ff78e043871cd0b810e67e739ae0acd753d92109
SHA512

3d235b8426fc9bbbca4afb3565094bf90eb06ffc61fd72475064eb116b19cd9197e6eebc8545312f571b48f77778d3cc058726d4f0bbccc66812c14c8b1c1b65
SSDEEP

24576:o6XuiIyhORj9w48JnLlW2U+8/qeT/TrieJEp3vCMQKlwbH18QB:oMupy8DBulBUJCebTzJa3vwH18QB

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
3428	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe
3428	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3428 wrote to memory of 1932	3428	AcroRd32.exe	92
PID 3428 wrote to memory of 1932	3428	AcroRd32.exe	92
PID 3428 wrote to memory of 1932	3428	AcroRd32.exe	92
PID 1932 wrote to memory of 3112	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 3112	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 3112	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 3112	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 3112	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 3112	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 3112	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 3112	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 3112	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 3112	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 3112	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 3112	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 3112	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 3112	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 3112	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 3112	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 3112	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 3112	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 3112	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 3112	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 3112	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 3112	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 3112	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 3112	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 3112	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 3112	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 3112	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 3112	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 3112	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 3112	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 3112	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 3112	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 3112	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 3112	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 3112	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 3112	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 3112	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 3112	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 3112	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 3112	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 3112	1932	RdrCEF.exe	93
PID 1932 wrote to memory of 4580	1932	RdrCEF.exe	94
PID 1932 wrote to memory of 4580	1932	RdrCEF.exe	94
PID 1932 wrote to memory of 4580	1932	RdrCEF.exe	94
PID 1932 wrote to memory of 4580	1932	RdrCEF.exe	94
PID 1932 wrote to memory of 4580	1932	RdrCEF.exe	94
PID 1932 wrote to memory of 4580	1932	RdrCEF.exe	94
PID 1932 wrote to memory of 4580	1932	RdrCEF.exe	94
PID 1932 wrote to memory of 4580	1932	RdrCEF.exe	94
PID 1932 wrote to memory of 4580	1932	RdrCEF.exe	94
PID 1932 wrote to memory of 4580	1932	RdrCEF.exe	94
PID 1932 wrote to memory of 4580	1932	RdrCEF.exe	94
PID 1932 wrote to memory of 4580	1932	RdrCEF.exe	94
PID 1932 wrote to memory of 4580	1932	RdrCEF.exe	94
PID 1932 wrote to memory of 4580	1932	RdrCEF.exe	94
PID 1932 wrote to memory of 4580	1932	RdrCEF.exe	94
PID 1932 wrote to memory of 4580	1932	RdrCEF.exe	94
PID 1932 wrote to memory of 4580	1932	RdrCEF.exe	94
PID 1932 wrote to memory of 4580	1932	RdrCEF.exe	94
PID 1932 wrote to memory of 4580	1932	RdrCEF.exe	94
PID 1932 wrote to memory of 4580	1932	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\7e91b67bda6a49335fd4ec60ff78e043871cd0b810e67e739ae0acd753d92109.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3428
- 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:1932
- - 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=030BCC430FD41629FB1B20CE721EC3D9 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3112
- - 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=CE5670A5D7249B18F025B821908ADA4A --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=CE5670A5D7249B18F025B821908ADA4A --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4580
- - 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=2D40C60572EC38E9E5A157B1B3B47EC4 --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=2D40C60572EC38E9E5A157B1B3B47EC4 --renderer-client-id=4 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3180
- - 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=E422D694388EB3050166DC20F2756C41 --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4932
- - 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=23D294DAD54D8AC7C5596F481DA00725 --mojo-platform-channel-handle=2644 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3744
- - 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=6B37CEDEA6D99B0E2CC531B48C0F1AED --mojo-platform-channel-handle=1824 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2128

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2376

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
b13559a717abb4be76bb8e862bdbdb89

SHA1
aeda9b2d38fa291d731c9a9fce82d0247da1bb46

SHA256
2de026723f1644ddb9637d16751368669539c4d14513da37170feb916fa5b0e9

SHA512
5767648d0d7998b26de5addf9eb0c719a5c58dc73bd2da0527300306a6ccc4fb8ca877013dbe613741b70c58c003fd0ab704398dcc1a3484b49c92596103f264

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

Filesize
64KB

MD5
eaedede0fee66cee82b3f10468776917

SHA1
11bad2449cf159cb65561cdbfbc431b255446afa

SHA256
322c2ad5ecaea087c2dae93c89399a7a8a12948885c8a9eea315b3ae186b3d18

SHA512
daa7775f85ca3557d65212b13e0c62093dce33a9fc206ef49bb03048dc41c967603ac386af5ed7531236ca771f2c9b1f24abd4499268fb83b616991bc2396c08

Download Submit