bd2b8bd1a3f7fd02362ae8f0652fa1d394d7b774256c2e08073341031f137a88

Analysis

max time kernel
142s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 03:47

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General

Target

5dee67a621671f3ee7a3a52ea966c559.pdf
Size

33KB
MD5

5dee67a621671f3ee7a3a52ea966c559
SHA1

3df24ee05ec7c838d08a6ba5e457251521eed538
SHA256

bd2b8bd1a3f7fd02362ae8f0652fa1d394d7b774256c2e08073341031f137a88
SHA512

cacdc3de4c436c8aa60d9e624851e86178294866f3db060e3d67271a0a5de84c4c380438ec634eba14f645861a27184a285b3f0303443f9418468d2610f91a51
SSDEEP

768:LXFn9xIisCNlWaJDAsM/mmpV31zFD9jxVxTR208+:LRMklRJDZMuUV31x5Dx920N

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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4744	AcroRd32.exe
4744	AcroRd32.exe
4744	AcroRd32.exe
4744	AcroRd32.exe
4744	AcroRd32.exe
4744	AcroRd32.exe
4744	AcroRd32.exe
4744	AcroRd32.exe
4744	AcroRd32.exe
4744	AcroRd32.exe
4744	AcroRd32.exe
4744	AcroRd32.exe
4744	AcroRd32.exe
4744	AcroRd32.exe
4744	AcroRd32.exe
4744	AcroRd32.exe
4744	AcroRd32.exe
4744	AcroRd32.exe
4744	AcroRd32.exe
4744	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4744	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4744	AcroRd32.exe
4744	AcroRd32.exe
4744	AcroRd32.exe
4744	AcroRd32.exe
4744	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4744 wrote to memory of 492	4744	AcroRd32.exe	91
PID 4744 wrote to memory of 492	4744	AcroRd32.exe	91
PID 4744 wrote to memory of 492	4744	AcroRd32.exe	91
PID 492 wrote to memory of 1572	492	RdrCEF.exe	92
PID 492 wrote to memory of 1572	492	RdrCEF.exe	92
PID 492 wrote to memory of 1572	492	RdrCEF.exe	92
PID 492 wrote to memory of 1572	492	RdrCEF.exe	92
PID 492 wrote to memory of 1572	492	RdrCEF.exe	92
PID 492 wrote to memory of 1572	492	RdrCEF.exe	92
PID 492 wrote to memory of 1572	492	RdrCEF.exe	92
PID 492 wrote to memory of 1572	492	RdrCEF.exe	92
PID 492 wrote to memory of 1572	492	RdrCEF.exe	92
PID 492 wrote to memory of 1572	492	RdrCEF.exe	92
PID 492 wrote to memory of 1572	492	RdrCEF.exe	92
PID 492 wrote to memory of 1572	492	RdrCEF.exe	92
PID 492 wrote to memory of 1572	492	RdrCEF.exe	92
PID 492 wrote to memory of 1572	492	RdrCEF.exe	92
PID 492 wrote to memory of 1572	492	RdrCEF.exe	92
PID 492 wrote to memory of 1572	492	RdrCEF.exe	92
PID 492 wrote to memory of 1572	492	RdrCEF.exe	92
PID 492 wrote to memory of 1572	492	RdrCEF.exe	92
PID 492 wrote to memory of 1572	492	RdrCEF.exe	92
PID 492 wrote to memory of 1572	492	RdrCEF.exe	92
PID 492 wrote to memory of 1572	492	RdrCEF.exe	92
PID 492 wrote to memory of 1572	492	RdrCEF.exe	92
PID 492 wrote to memory of 1572	492	RdrCEF.exe	92
PID 492 wrote to memory of 1572	492	RdrCEF.exe	92
PID 492 wrote to memory of 1572	492	RdrCEF.exe	92
PID 492 wrote to memory of 1572	492	RdrCEF.exe	92
PID 492 wrote to memory of 1572	492	RdrCEF.exe	92
PID 492 wrote to memory of 1572	492	RdrCEF.exe	92
PID 492 wrote to memory of 1572	492	RdrCEF.exe	92
PID 492 wrote to memory of 1572	492	RdrCEF.exe	92
PID 492 wrote to memory of 1572	492	RdrCEF.exe	92
PID 492 wrote to memory of 1572	492	RdrCEF.exe	92
PID 492 wrote to memory of 1572	492	RdrCEF.exe	92
PID 492 wrote to memory of 1572	492	RdrCEF.exe	92
PID 492 wrote to memory of 1572	492	RdrCEF.exe	92
PID 492 wrote to memory of 1572	492	RdrCEF.exe	92
PID 492 wrote to memory of 1572	492	RdrCEF.exe	92
PID 492 wrote to memory of 1572	492	RdrCEF.exe	92
PID 492 wrote to memory of 1572	492	RdrCEF.exe	92
PID 492 wrote to memory of 1572	492	RdrCEF.exe	92
PID 492 wrote to memory of 1572	492	RdrCEF.exe	92
PID 492 wrote to memory of 2536	492	RdrCEF.exe	93
PID 492 wrote to memory of 2536	492	RdrCEF.exe	93
PID 492 wrote to memory of 2536	492	RdrCEF.exe	93
PID 492 wrote to memory of 2536	492	RdrCEF.exe	93
PID 492 wrote to memory of 2536	492	RdrCEF.exe	93
PID 492 wrote to memory of 2536	492	RdrCEF.exe	93
PID 492 wrote to memory of 2536	492	RdrCEF.exe	93
PID 492 wrote to memory of 2536	492	RdrCEF.exe	93
PID 492 wrote to memory of 2536	492	RdrCEF.exe	93
PID 492 wrote to memory of 2536	492	RdrCEF.exe	93
PID 492 wrote to memory of 2536	492	RdrCEF.exe	93
PID 492 wrote to memory of 2536	492	RdrCEF.exe	93
PID 492 wrote to memory of 2536	492	RdrCEF.exe	93
PID 492 wrote to memory of 2536	492	RdrCEF.exe	93
PID 492 wrote to memory of 2536	492	RdrCEF.exe	93
PID 492 wrote to memory of 2536	492	RdrCEF.exe	93
PID 492 wrote to memory of 2536	492	RdrCEF.exe	93
PID 492 wrote to memory of 2536	492	RdrCEF.exe	93
PID 492 wrote to memory of 2536	492	RdrCEF.exe	93
PID 492 wrote to memory of 2536	492	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\5dee67a621671f3ee7a3a52ea966c559.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:4744
- 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:492
- - 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=C60800FE222F19F6637C941AFA519DB5 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1572
- - 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=AA3488B788A956954FA17B78879B04D0 --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=AA3488B788A956954FA17B78879B04D0 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2536
- - 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=F28D27BCFE6D19CA7619C9AD70D67CD8 --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=F28D27BCFE6D19CA7619C9AD70D67CD8 --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2448
- - 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=0124BE3FCF04D3B2E0A3197F54B188A0 --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:648
- - 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=89023285AEB6E30790A39BB83660A662 --mojo-platform-channel-handle=1996 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4812
- - 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=D159E44E809842035F09EDFA485D4829 --mojo-platform-channel-handle=2680 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4644

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4816

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
9544a917d237878e507d69871bde4323

SHA1
7862a4caed9c8e0f5cb0c6df42012a4d637fd3f9

SHA256
2fd6c3f7a24ef94e5754a2b2d6ccc78159cda2970db770f488d1184a935d0a31

SHA512
e956a626b8f6a95857559f6a2344e6b55be32f9754e82d7276d2f43d11552c45589f43f7109b6f09014d95f55f3bf6b550d7224a3a60db434c9fb8d0d048f021

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