6cfecf35b9f578900a38818fcad140056c969bcc9b54d02d5700103910c87363

Analysis

max time kernel
171s
max time network
186s
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, 20:56

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General

Target

03c5220b84ad9e63a0c78da03972a6a0.pdf
Size

63KB
MD5

03c5220b84ad9e63a0c78da03972a6a0
SHA1

e2081ac93c80a3273dde99419c267555a4f2f34a
SHA256

6cfecf35b9f578900a38818fcad140056c969bcc9b54d02d5700103910c87363
SHA512

47c108f69dc916de2e4b4daf73558695108fe51339e043148f38aa2687dac269b9180e63c50de25e37f486e405152140070a9c7a49595aac73ffd36bc515e9ba
SSDEEP

1536:h0m/XfBW9cZeG8FuNvSFYXc7Zq3/wzSV7ec42DyLokZT:f/XfieeG8MZSMcYvwGVCL2Dy02

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
3488	AcroRd32.exe
3488	AcroRd32.exe
3488	AcroRd32.exe
3488	AcroRd32.exe
3488	AcroRd32.exe
3488	AcroRd32.exe
3488	AcroRd32.exe
3488	AcroRd32.exe
3488	AcroRd32.exe
3488	AcroRd32.exe
3488	AcroRd32.exe
3488	AcroRd32.exe
3488	AcroRd32.exe
3488	AcroRd32.exe
3488	AcroRd32.exe
3488	AcroRd32.exe
3488	AcroRd32.exe
3488	AcroRd32.exe
3488	AcroRd32.exe
3488	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3488	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3488	AcroRd32.exe
3488	AcroRd32.exe
3488	AcroRd32.exe
3488	AcroRd32.exe
3488	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3488 wrote to memory of 3596	3488	AcroRd32.exe	90
PID 3488 wrote to memory of 3596	3488	AcroRd32.exe	90
PID 3488 wrote to memory of 3596	3488	AcroRd32.exe	90
PID 3596 wrote to memory of 800	3596	RdrCEF.exe	91
PID 3596 wrote to memory of 800	3596	RdrCEF.exe	91
PID 3596 wrote to memory of 800	3596	RdrCEF.exe	91
PID 3596 wrote to memory of 800	3596	RdrCEF.exe	91
PID 3596 wrote to memory of 800	3596	RdrCEF.exe	91
PID 3596 wrote to memory of 800	3596	RdrCEF.exe	91
PID 3596 wrote to memory of 800	3596	RdrCEF.exe	91
PID 3596 wrote to memory of 800	3596	RdrCEF.exe	91
PID 3596 wrote to memory of 800	3596	RdrCEF.exe	91
PID 3596 wrote to memory of 800	3596	RdrCEF.exe	91
PID 3596 wrote to memory of 800	3596	RdrCEF.exe	91
PID 3596 wrote to memory of 800	3596	RdrCEF.exe	91
PID 3596 wrote to memory of 800	3596	RdrCEF.exe	91
PID 3596 wrote to memory of 800	3596	RdrCEF.exe	91
PID 3596 wrote to memory of 800	3596	RdrCEF.exe	91
PID 3596 wrote to memory of 800	3596	RdrCEF.exe	91
PID 3596 wrote to memory of 800	3596	RdrCEF.exe	91
PID 3596 wrote to memory of 800	3596	RdrCEF.exe	91
PID 3596 wrote to memory of 800	3596	RdrCEF.exe	91
PID 3596 wrote to memory of 800	3596	RdrCEF.exe	91
PID 3596 wrote to memory of 800	3596	RdrCEF.exe	91
PID 3596 wrote to memory of 800	3596	RdrCEF.exe	91
PID 3596 wrote to memory of 800	3596	RdrCEF.exe	91
PID 3596 wrote to memory of 800	3596	RdrCEF.exe	91
PID 3596 wrote to memory of 800	3596	RdrCEF.exe	91
PID 3596 wrote to memory of 800	3596	RdrCEF.exe	91
PID 3596 wrote to memory of 800	3596	RdrCEF.exe	91
PID 3596 wrote to memory of 800	3596	RdrCEF.exe	91
PID 3596 wrote to memory of 800	3596	RdrCEF.exe	91
PID 3596 wrote to memory of 800	3596	RdrCEF.exe	91
PID 3596 wrote to memory of 800	3596	RdrCEF.exe	91
PID 3596 wrote to memory of 800	3596	RdrCEF.exe	91
PID 3596 wrote to memory of 800	3596	RdrCEF.exe	91
PID 3596 wrote to memory of 800	3596	RdrCEF.exe	91
PID 3596 wrote to memory of 800	3596	RdrCEF.exe	91
PID 3596 wrote to memory of 800	3596	RdrCEF.exe	91
PID 3596 wrote to memory of 800	3596	RdrCEF.exe	91
PID 3596 wrote to memory of 800	3596	RdrCEF.exe	91
PID 3596 wrote to memory of 800	3596	RdrCEF.exe	91
PID 3596 wrote to memory of 800	3596	RdrCEF.exe	91
PID 3596 wrote to memory of 800	3596	RdrCEF.exe	91
PID 3596 wrote to memory of 3088	3596	RdrCEF.exe	92
PID 3596 wrote to memory of 3088	3596	RdrCEF.exe	92
PID 3596 wrote to memory of 3088	3596	RdrCEF.exe	92
PID 3596 wrote to memory of 3088	3596	RdrCEF.exe	92
PID 3596 wrote to memory of 3088	3596	RdrCEF.exe	92
PID 3596 wrote to memory of 3088	3596	RdrCEF.exe	92
PID 3596 wrote to memory of 3088	3596	RdrCEF.exe	92
PID 3596 wrote to memory of 3088	3596	RdrCEF.exe	92
PID 3596 wrote to memory of 3088	3596	RdrCEF.exe	92
PID 3596 wrote to memory of 3088	3596	RdrCEF.exe	92
PID 3596 wrote to memory of 3088	3596	RdrCEF.exe	92
PID 3596 wrote to memory of 3088	3596	RdrCEF.exe	92
PID 3596 wrote to memory of 3088	3596	RdrCEF.exe	92
PID 3596 wrote to memory of 3088	3596	RdrCEF.exe	92
PID 3596 wrote to memory of 3088	3596	RdrCEF.exe	92
PID 3596 wrote to memory of 3088	3596	RdrCEF.exe	92
PID 3596 wrote to memory of 3088	3596	RdrCEF.exe	92
PID 3596 wrote to memory of 3088	3596	RdrCEF.exe	92
PID 3596 wrote to memory of 3088	3596	RdrCEF.exe	92
PID 3596 wrote to memory of 3088	3596	RdrCEF.exe	92

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\03c5220b84ad9e63a0c78da03972a6a0.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:3488
- 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:3596
- - 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=2B0B8FF3415EBAC9183EC78056633422 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:800
- - 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=752568F1352962ABD418C6CCCBB29EB2 --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=752568F1352962ABD418C6CCCBB29EB2 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3088
- - 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=8E35E155CB404AB4D788622F6C75601C --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3376
- - 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=184C56F3A02183A10D21BE4419EC43FF --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=184C56F3A02183A10D21BE4419EC43FF --renderer-client-id=5 --mojo-platform-channel-handle=1944 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4688
- - 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=86341F1C4DAAA1C785E97E468B68069D --mojo-platform-channel-handle=1904 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2040
- - 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=6CAAA5D5A172AE7911F3FD643BF26389 --mojo-platform-channel-handle=1860 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:372

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4972

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
c1d6d682180189ceeefbe0752157c489

SHA1
24bad5fa72bd3f333d6a09e0939d2befc2f16a4b

SHA256
d0c3a0748cea54f041d2d3b4d245db4aa1f7b25d3c58ee657476d651e60b4561

SHA512
b7d36cdf49f939ae65b812adae37a295b9c568f06cbb99291d1f99374b7e94a5281b39af255c59e7ee073ce96c67a2e42723decf583a1f29e73bfe849337163d

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