845756d9401f4cd39c8e7dd011faa8ddbc1618701593ab84a31af89fb00eb1d6

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29-12-2023 22:34

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General

Target

05ba9ff06b39ea1ac5cf47e6d42dcf76.pdf
Size

77KB
MD5

05ba9ff06b39ea1ac5cf47e6d42dcf76
SHA1

b65fb565fa27c188386a9e96f156cb318030c965
SHA256

845756d9401f4cd39c8e7dd011faa8ddbc1618701593ab84a31af89fb00eb1d6
SHA512

cc55cb4cf71b00d1cb0cac74b27e0c1075225f32d232ea77141a31535dbd086a07ffd8a6fd500653d587315ff85dcc518d4bc7916d30c92e9844dbc9d974769e
SSDEEP

1536:xT6p1rJlIEaBTmsveVOa6W96CJcq+nP+S6cWIOZG5BfiTrWspOR/bW:mVlIdn8Oa7963q+Q0yG3fiTqRi

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
540	AcroRd32.exe
540	AcroRd32.exe
540	AcroRd32.exe
540	AcroRd32.exe
540	AcroRd32.exe
540	AcroRd32.exe
540	AcroRd32.exe
540	AcroRd32.exe
540	AcroRd32.exe
540	AcroRd32.exe
540	AcroRd32.exe
540	AcroRd32.exe
540	AcroRd32.exe
540	AcroRd32.exe
540	AcroRd32.exe
540	AcroRd32.exe
540	AcroRd32.exe
540	AcroRd32.exe
540	AcroRd32.exe
540	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
540	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
540	AcroRd32.exe
540	AcroRd32.exe
540	AcroRd32.exe
540	AcroRd32.exe
540	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 540 wrote to memory of 5048	540	AcroRd32.exe	93
PID 540 wrote to memory of 5048	540	AcroRd32.exe	93
PID 540 wrote to memory of 5048	540	AcroRd32.exe	93
PID 5048 wrote to memory of 4048	5048	RdrCEF.exe	95
PID 5048 wrote to memory of 4048	5048	RdrCEF.exe	95
PID 5048 wrote to memory of 4048	5048	RdrCEF.exe	95
PID 5048 wrote to memory of 4048	5048	RdrCEF.exe	95
PID 5048 wrote to memory of 4048	5048	RdrCEF.exe	95
PID 5048 wrote to memory of 4048	5048	RdrCEF.exe	95
PID 5048 wrote to memory of 4048	5048	RdrCEF.exe	95
PID 5048 wrote to memory of 4048	5048	RdrCEF.exe	95
PID 5048 wrote to memory of 4048	5048	RdrCEF.exe	95
PID 5048 wrote to memory of 4048	5048	RdrCEF.exe	95
PID 5048 wrote to memory of 4048	5048	RdrCEF.exe	95
PID 5048 wrote to memory of 4048	5048	RdrCEF.exe	95
PID 5048 wrote to memory of 4048	5048	RdrCEF.exe	95
PID 5048 wrote to memory of 4048	5048	RdrCEF.exe	95
PID 5048 wrote to memory of 4048	5048	RdrCEF.exe	95
PID 5048 wrote to memory of 4048	5048	RdrCEF.exe	95
PID 5048 wrote to memory of 4048	5048	RdrCEF.exe	95
PID 5048 wrote to memory of 4048	5048	RdrCEF.exe	95
PID 5048 wrote to memory of 4048	5048	RdrCEF.exe	95
PID 5048 wrote to memory of 4048	5048	RdrCEF.exe	95
PID 5048 wrote to memory of 4048	5048	RdrCEF.exe	95
PID 5048 wrote to memory of 4048	5048	RdrCEF.exe	95
PID 5048 wrote to memory of 4048	5048	RdrCEF.exe	95
PID 5048 wrote to memory of 4048	5048	RdrCEF.exe	95
PID 5048 wrote to memory of 4048	5048	RdrCEF.exe	95
PID 5048 wrote to memory of 4048	5048	RdrCEF.exe	95
PID 5048 wrote to memory of 4048	5048	RdrCEF.exe	95
PID 5048 wrote to memory of 4048	5048	RdrCEF.exe	95
PID 5048 wrote to memory of 4048	5048	RdrCEF.exe	95
PID 5048 wrote to memory of 4048	5048	RdrCEF.exe	95
PID 5048 wrote to memory of 4048	5048	RdrCEF.exe	95
PID 5048 wrote to memory of 4048	5048	RdrCEF.exe	95
PID 5048 wrote to memory of 4048	5048	RdrCEF.exe	95
PID 5048 wrote to memory of 4048	5048	RdrCEF.exe	95
PID 5048 wrote to memory of 4048	5048	RdrCEF.exe	95
PID 5048 wrote to memory of 4048	5048	RdrCEF.exe	95
PID 5048 wrote to memory of 4048	5048	RdrCEF.exe	95
PID 5048 wrote to memory of 4048	5048	RdrCEF.exe	95
PID 5048 wrote to memory of 4048	5048	RdrCEF.exe	95
PID 5048 wrote to memory of 4048	5048	RdrCEF.exe	95
PID 5048 wrote to memory of 4048	5048	RdrCEF.exe	95
PID 5048 wrote to memory of 4452	5048	RdrCEF.exe	94
PID 5048 wrote to memory of 4452	5048	RdrCEF.exe	94
PID 5048 wrote to memory of 4452	5048	RdrCEF.exe	94
PID 5048 wrote to memory of 4452	5048	RdrCEF.exe	94
PID 5048 wrote to memory of 4452	5048	RdrCEF.exe	94
PID 5048 wrote to memory of 4452	5048	RdrCEF.exe	94
PID 5048 wrote to memory of 4452	5048	RdrCEF.exe	94
PID 5048 wrote to memory of 4452	5048	RdrCEF.exe	94
PID 5048 wrote to memory of 4452	5048	RdrCEF.exe	94
PID 5048 wrote to memory of 4452	5048	RdrCEF.exe	94
PID 5048 wrote to memory of 4452	5048	RdrCEF.exe	94
PID 5048 wrote to memory of 4452	5048	RdrCEF.exe	94
PID 5048 wrote to memory of 4452	5048	RdrCEF.exe	94
PID 5048 wrote to memory of 4452	5048	RdrCEF.exe	94
PID 5048 wrote to memory of 4452	5048	RdrCEF.exe	94
PID 5048 wrote to memory of 4452	5048	RdrCEF.exe	94
PID 5048 wrote to memory of 4452	5048	RdrCEF.exe	94
PID 5048 wrote to memory of 4452	5048	RdrCEF.exe	94
PID 5048 wrote to memory of 4452	5048	RdrCEF.exe	94
PID 5048 wrote to memory of 4452	5048	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\05ba9ff06b39ea1ac5cf47e6d42dcf76.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:540
- 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:5048
- - 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=5E95E0ABABD2EB867EE6F91F2314B3CC --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=5E95E0ABABD2EB867EE6F91F2314B3CC --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4452
- - 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=501D2CB177DA2C7AE0B3D1227313AC7B --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4048
- - 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=E001873FC73A044F6AE3EB4877E7375E --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1340
- - 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=7593DB852A64C23F16E363F38F2BBCC3 --mojo-platform-channel-handle=1844 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3344
- - 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=96F3C9461E0F9498A34D0C1CF7B81ACB --mojo-platform-channel-handle=2528 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3548
- - 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=C7A6A459B8FB82A2F3507116308DE1DC --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=C7A6A459B8FB82A2F3507116308DE1DC --renderer-client-id=6 --mojo-platform-channel-handle=2352 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2432

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1632

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p -s BITS
1⤵
PID:3548

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
b94f641e500046f55ffc95125ab7482c

SHA1
e946d43b86b87e00635a9f62062ff0231a906402

SHA256
3470805516ed9db9c7126b13a1787be2a605b08286d15a2bb97ce66d57f41e43

SHA512
1a1f74c05f8c03845caafe4c7d1740d4eb0afc38bf5d1ff1a4f076cc78063d67a0b996783213e7b272f22e2cfeb4cba518e40b6383d27f73478d111e1144edb6

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

Filesize
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit