ad4a1c644a9e8e95c915625fa20ad2f082ec40c831381e24e36266563ca7466e

Analysis

max time kernel
144s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
05/03/2024, 11:03

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General

Target

b48c7ae6f5bfdd5dc89b67b6ec6e8ebb.pdf
Size

88KB
MD5

b48c7ae6f5bfdd5dc89b67b6ec6e8ebb
SHA1

414a96944e1f3fc771cc9699b17a817459278d80
SHA256

ad4a1c644a9e8e95c915625fa20ad2f082ec40c831381e24e36266563ca7466e
SHA512

70f4ae8b5be1d5ed9aab89858a800582ef429ae232d4f016f9b6dbde76b3d74f517983f9f0edd1f739e352592d8aa076310162886d88b30c8cd4d901f71c0a05
SSDEEP

1536:RRHvtewCvG+DOD6KP9prAvYQ7aGfu7jrWHpOvTWXvJ6AIen4bfyu:XHvAaD6K1prAvYQ9uRvuvJ6AIeGP

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-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
884	AcroRd32.exe
884	AcroRd32.exe
884	AcroRd32.exe
884	AcroRd32.exe
884	AcroRd32.exe
884	AcroRd32.exe
884	AcroRd32.exe
884	AcroRd32.exe
884	AcroRd32.exe
884	AcroRd32.exe
884	AcroRd32.exe
884	AcroRd32.exe
884	AcroRd32.exe
884	AcroRd32.exe
884	AcroRd32.exe
884	AcroRd32.exe
884	AcroRd32.exe
884	AcroRd32.exe
884	AcroRd32.exe
884	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
884	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
884	AcroRd32.exe
884	AcroRd32.exe
884	AcroRd32.exe
884	AcroRd32.exe
884	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 884 wrote to memory of 2552	884	AcroRd32.exe	92
PID 884 wrote to memory of 2552	884	AcroRd32.exe	92
PID 884 wrote to memory of 2552	884	AcroRd32.exe	92
PID 2552 wrote to memory of 4352	2552	RdrCEF.exe	93
PID 2552 wrote to memory of 4352	2552	RdrCEF.exe	93
PID 2552 wrote to memory of 4352	2552	RdrCEF.exe	93
PID 2552 wrote to memory of 4352	2552	RdrCEF.exe	93
PID 2552 wrote to memory of 4352	2552	RdrCEF.exe	93
PID 2552 wrote to memory of 4352	2552	RdrCEF.exe	93
PID 2552 wrote to memory of 4352	2552	RdrCEF.exe	93
PID 2552 wrote to memory of 4352	2552	RdrCEF.exe	93
PID 2552 wrote to memory of 4352	2552	RdrCEF.exe	93
PID 2552 wrote to memory of 4352	2552	RdrCEF.exe	93
PID 2552 wrote to memory of 4352	2552	RdrCEF.exe	93
PID 2552 wrote to memory of 4352	2552	RdrCEF.exe	93
PID 2552 wrote to memory of 4352	2552	RdrCEF.exe	93
PID 2552 wrote to memory of 4352	2552	RdrCEF.exe	93
PID 2552 wrote to memory of 4352	2552	RdrCEF.exe	93
PID 2552 wrote to memory of 4352	2552	RdrCEF.exe	93
PID 2552 wrote to memory of 4352	2552	RdrCEF.exe	93
PID 2552 wrote to memory of 4352	2552	RdrCEF.exe	93
PID 2552 wrote to memory of 4352	2552	RdrCEF.exe	93
PID 2552 wrote to memory of 4352	2552	RdrCEF.exe	93
PID 2552 wrote to memory of 4352	2552	RdrCEF.exe	93
PID 2552 wrote to memory of 4352	2552	RdrCEF.exe	93
PID 2552 wrote to memory of 4352	2552	RdrCEF.exe	93
PID 2552 wrote to memory of 4352	2552	RdrCEF.exe	93
PID 2552 wrote to memory of 4352	2552	RdrCEF.exe	93
PID 2552 wrote to memory of 4352	2552	RdrCEF.exe	93
PID 2552 wrote to memory of 4352	2552	RdrCEF.exe	93
PID 2552 wrote to memory of 4352	2552	RdrCEF.exe	93
PID 2552 wrote to memory of 4352	2552	RdrCEF.exe	93
PID 2552 wrote to memory of 4352	2552	RdrCEF.exe	93
PID 2552 wrote to memory of 4352	2552	RdrCEF.exe	93
PID 2552 wrote to memory of 4352	2552	RdrCEF.exe	93
PID 2552 wrote to memory of 4352	2552	RdrCEF.exe	93
PID 2552 wrote to memory of 4352	2552	RdrCEF.exe	93
PID 2552 wrote to memory of 4352	2552	RdrCEF.exe	93
PID 2552 wrote to memory of 4352	2552	RdrCEF.exe	93
PID 2552 wrote to memory of 4352	2552	RdrCEF.exe	93
PID 2552 wrote to memory of 4352	2552	RdrCEF.exe	93
PID 2552 wrote to memory of 4352	2552	RdrCEF.exe	93
PID 2552 wrote to memory of 4352	2552	RdrCEF.exe	93
PID 2552 wrote to memory of 4352	2552	RdrCEF.exe	93
PID 2552 wrote to memory of 2716	2552	RdrCEF.exe	94
PID 2552 wrote to memory of 2716	2552	RdrCEF.exe	94
PID 2552 wrote to memory of 2716	2552	RdrCEF.exe	94
PID 2552 wrote to memory of 2716	2552	RdrCEF.exe	94
PID 2552 wrote to memory of 2716	2552	RdrCEF.exe	94
PID 2552 wrote to memory of 2716	2552	RdrCEF.exe	94
PID 2552 wrote to memory of 2716	2552	RdrCEF.exe	94
PID 2552 wrote to memory of 2716	2552	RdrCEF.exe	94
PID 2552 wrote to memory of 2716	2552	RdrCEF.exe	94
PID 2552 wrote to memory of 2716	2552	RdrCEF.exe	94
PID 2552 wrote to memory of 2716	2552	RdrCEF.exe	94
PID 2552 wrote to memory of 2716	2552	RdrCEF.exe	94
PID 2552 wrote to memory of 2716	2552	RdrCEF.exe	94
PID 2552 wrote to memory of 2716	2552	RdrCEF.exe	94
PID 2552 wrote to memory of 2716	2552	RdrCEF.exe	94
PID 2552 wrote to memory of 2716	2552	RdrCEF.exe	94
PID 2552 wrote to memory of 2716	2552	RdrCEF.exe	94
PID 2552 wrote to memory of 2716	2552	RdrCEF.exe	94
PID 2552 wrote to memory of 2716	2552	RdrCEF.exe	94
PID 2552 wrote to memory of 2716	2552	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\b48c7ae6f5bfdd5dc89b67b6ec6e8ebb.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:884
- 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:2552
- - 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=9662AA8C52AE9E58DFF61D365BC69A8F --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4352
- - 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=6D2F9C2360CFAA152AD65017C1928CC5 --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=6D2F9C2360CFAA152AD65017C1928CC5 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2716
- - 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=BF8A2576D7C1AC8B777BCC5FB4DA8DE6 --mojo-platform-channel-handle=2276 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2712
- - 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=7ABAD47FAF3A1D9A880220D73BB7C43D --mojo-platform-channel-handle=1932 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2200
- - 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=07840D609E7B75B8261FEEACB6761D1F --mojo-platform-channel-handle=2516 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:228
- - 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=B551C7BE083973460EDA81FA52D392E6 --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=B551C7BE083973460EDA81FA52D392E6 --renderer-client-id=7 --mojo-platform-channel-handle=2612 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3452

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2180

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
74f9b360fc17612e1a1a47d7f86e7fac

SHA1
5bdfadc835bdf1f6409a099c625ad1c82ffc31a5

SHA256
1ccdd0199c37eb517012e7faf27fc076e803a28b5f85aa1bf8aaf14c0b11ba15

SHA512
e38fde27cf48a0dcb9a33db003a1f50482079aa77f020f87a06bbff6111ab3679292e5abdf0d02486df1bf258b3864194934f934206c6ddf4e2e5b1bffbf159d

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