6b71762178e7f5266204ef1c603e5599e5b1b368af6d5e842f42f1a4a063735c

Analysis

max time kernel
69s
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, 17:17

Sharing

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General

Target

fd4933614e4c54f2197d3fde5d9dcd56.pdf
Size

35KB
MD5

fd4933614e4c54f2197d3fde5d9dcd56
SHA1

a17642789afa2f2b8313e86807500a49094823ad
SHA256

6b71762178e7f5266204ef1c603e5599e5b1b368af6d5e842f42f1a4a063735c
SHA512

588504b1d280ac90b4b21ea0894b6f42eaf8091416eccbff6664dd82aeccaf6f16fc22abe11fa64cca29e68a3efa6fe597b3f8a2c4eaa75ba6fe0c101d4df93e
SSDEEP

768:7qT8SAyashTVDhGAy+912qY1Hby1MxclllyyPncRk:7a8dyxNhX9IqYVby1MxUkRk

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4080	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe
4080	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4080 wrote to memory of 3768	4080	AcroRd32.exe	92
PID 4080 wrote to memory of 3768	4080	AcroRd32.exe	92
PID 4080 wrote to memory of 3768	4080	AcroRd32.exe	92
PID 3768 wrote to memory of 4640	3768	RdrCEF.exe	105
PID 3768 wrote to memory of 4640	3768	RdrCEF.exe	105
PID 3768 wrote to memory of 4640	3768	RdrCEF.exe	105
PID 3768 wrote to memory of 4640	3768	RdrCEF.exe	105
PID 3768 wrote to memory of 4640	3768	RdrCEF.exe	105
PID 3768 wrote to memory of 4640	3768	RdrCEF.exe	105
PID 3768 wrote to memory of 4640	3768	RdrCEF.exe	105
PID 3768 wrote to memory of 4640	3768	RdrCEF.exe	105
PID 3768 wrote to memory of 4640	3768	RdrCEF.exe	105
PID 3768 wrote to memory of 4640	3768	RdrCEF.exe	105
PID 3768 wrote to memory of 4640	3768	RdrCEF.exe	105
PID 3768 wrote to memory of 4640	3768	RdrCEF.exe	105
PID 3768 wrote to memory of 4640	3768	RdrCEF.exe	105
PID 3768 wrote to memory of 4640	3768	RdrCEF.exe	105
PID 3768 wrote to memory of 4640	3768	RdrCEF.exe	105
PID 3768 wrote to memory of 4640	3768	RdrCEF.exe	105
PID 3768 wrote to memory of 4640	3768	RdrCEF.exe	105
PID 3768 wrote to memory of 4640	3768	RdrCEF.exe	105
PID 3768 wrote to memory of 4640	3768	RdrCEF.exe	105
PID 3768 wrote to memory of 4640	3768	RdrCEF.exe	105
PID 3768 wrote to memory of 4640	3768	RdrCEF.exe	105
PID 3768 wrote to memory of 4640	3768	RdrCEF.exe	105
PID 3768 wrote to memory of 4640	3768	RdrCEF.exe	105
PID 3768 wrote to memory of 4640	3768	RdrCEF.exe	105
PID 3768 wrote to memory of 4640	3768	RdrCEF.exe	105
PID 3768 wrote to memory of 4640	3768	RdrCEF.exe	105
PID 3768 wrote to memory of 4640	3768	RdrCEF.exe	105
PID 3768 wrote to memory of 4640	3768	RdrCEF.exe	105
PID 3768 wrote to memory of 4640	3768	RdrCEF.exe	105
PID 3768 wrote to memory of 4640	3768	RdrCEF.exe	105
PID 3768 wrote to memory of 4640	3768	RdrCEF.exe	105
PID 3768 wrote to memory of 4640	3768	RdrCEF.exe	105
PID 3768 wrote to memory of 4640	3768	RdrCEF.exe	105
PID 3768 wrote to memory of 4640	3768	RdrCEF.exe	105
PID 3768 wrote to memory of 4640	3768	RdrCEF.exe	105
PID 3768 wrote to memory of 4640	3768	RdrCEF.exe	105
PID 3768 wrote to memory of 4640	3768	RdrCEF.exe	105
PID 3768 wrote to memory of 4640	3768	RdrCEF.exe	105
PID 3768 wrote to memory of 4640	3768	RdrCEF.exe	105
PID 3768 wrote to memory of 4640	3768	RdrCEF.exe	105
PID 3768 wrote to memory of 4640	3768	RdrCEF.exe	105
PID 3768 wrote to memory of 1312	3768	RdrCEF.exe	93
PID 3768 wrote to memory of 1312	3768	RdrCEF.exe	93
PID 3768 wrote to memory of 1312	3768	RdrCEF.exe	93
PID 3768 wrote to memory of 1312	3768	RdrCEF.exe	93
PID 3768 wrote to memory of 1312	3768	RdrCEF.exe	93
PID 3768 wrote to memory of 1312	3768	RdrCEF.exe	93
PID 3768 wrote to memory of 1312	3768	RdrCEF.exe	93
PID 3768 wrote to memory of 1312	3768	RdrCEF.exe	93
PID 3768 wrote to memory of 1312	3768	RdrCEF.exe	93
PID 3768 wrote to memory of 1312	3768	RdrCEF.exe	93
PID 3768 wrote to memory of 1312	3768	RdrCEF.exe	93
PID 3768 wrote to memory of 1312	3768	RdrCEF.exe	93
PID 3768 wrote to memory of 1312	3768	RdrCEF.exe	93
PID 3768 wrote to memory of 1312	3768	RdrCEF.exe	93
PID 3768 wrote to memory of 1312	3768	RdrCEF.exe	93
PID 3768 wrote to memory of 1312	3768	RdrCEF.exe	93
PID 3768 wrote to memory of 1312	3768	RdrCEF.exe	93
PID 3768 wrote to memory of 1312	3768	RdrCEF.exe	93
PID 3768 wrote to memory of 1312	3768	RdrCEF.exe	93
PID 3768 wrote to memory of 1312	3768	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\fd4933614e4c54f2197d3fde5d9dcd56.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:4080
- 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:3768
- - 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=D5C546C0132E1FEDF5C416135DFA730C --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=D5C546C0132E1FEDF5C416135DFA730C --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1312
- - 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=8A5B738D4A84DADA6D745FCC3DC2B005 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4640
- - 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=98423975F0CE905E884BBA65319F9ED1 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1396
- - 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=F3A4477C9FE4C4CD2D4953F5CA5E4EFD --mojo-platform-channel-handle=2396 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1008
- - 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=A1F151CB5E8FFF50AAA6AE23E13A7422 --mojo-platform-channel-handle=2500 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4892
- - 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=E1E97A9EF9F340916B7D6AEE7F5F728B --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=E1E97A9EF9F340916B7D6AEE7F5F728B --renderer-client-id=7 --mojo-platform-channel-handle=1720 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2336

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:356

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s UsoSvc
1⤵
PID:4640

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
39KB

MD5
8e5c16d79e76e8ba3ab8e5151302fd45

SHA1
e8cace72483beb2424186b84eaa7cb24dc9bd972

SHA256
2adf951cbddd685695cffe065d237f3bbaf5cf30cce75fba11677cece89f1e1e

SHA512
a3c81d947210deb18c3fa2b703e8e355eadd5fa803d2dbe7deb9cb3f55c199e07cb180a6d69ddac12a2b7dded82dc1a563c06ddca5c3489e99efd8c85a655bfa

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

Filesize
1KB

MD5
780d775f2ec016b80738845302097492

SHA1
6840d4ba8b1536babb0d718879faacd8c08465fe

SHA256
7014da4feddc633c8e710f6699ae186367131fcf8d7d3af4fb2d5bd82357c2f6

SHA512
554551610093c9f8cfa5010e0e36823567546b0ea1086faa28806aa74587f11b072cc736cacdd5d8ada9db78b029779a4940a3f8e0eddcc2d9a1d16585a76924

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit