1dc9ec0d8f5f744d664eba82036fbd3ceee2e6d743afa36b7e866b5d65b9ed3d

Analysis

max time kernel
144s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
04/02/2024, 15:43

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General

Target

8f88ea3e6914bb66ab3cb1315f6a69c2.pdf
Size

84KB
MD5

8f88ea3e6914bb66ab3cb1315f6a69c2
SHA1

07dca64e98f845fe93489d650f7e7d444d25b593
SHA256

1dc9ec0d8f5f744d664eba82036fbd3ceee2e6d743afa36b7e866b5d65b9ed3d
SHA512

57f4c380531aa753e605252e5d687c742040b14d5d3f16db65bd91c86575bb0f17b9de089281e6a60f18c4f93d1bb4bf3916fd9d8f7dbe7f8518e0a2e5568578
SSDEEP

1536:Hz0cSh0w9DjesURMRFbzyDjz1ISuhsWHpOvPcWfaWPlO5UQaw:IcY0EDjUMDSDlIf6vPdf1lO5UU

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-1-5-21-1497073144-2389943819-3385106915-1000\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 1088	4080	AcroRd32.exe	85
PID 4080 wrote to memory of 1088	4080	AcroRd32.exe	85
PID 4080 wrote to memory of 1088	4080	AcroRd32.exe	85
PID 1088 wrote to memory of 4824	1088	RdrCEF.exe	86
PID 1088 wrote to memory of 4824	1088	RdrCEF.exe	86
PID 1088 wrote to memory of 4824	1088	RdrCEF.exe	86
PID 1088 wrote to memory of 4824	1088	RdrCEF.exe	86
PID 1088 wrote to memory of 4824	1088	RdrCEF.exe	86
PID 1088 wrote to memory of 4824	1088	RdrCEF.exe	86
PID 1088 wrote to memory of 4824	1088	RdrCEF.exe	86
PID 1088 wrote to memory of 4824	1088	RdrCEF.exe	86
PID 1088 wrote to memory of 4824	1088	RdrCEF.exe	86
PID 1088 wrote to memory of 4824	1088	RdrCEF.exe	86
PID 1088 wrote to memory of 4824	1088	RdrCEF.exe	86
PID 1088 wrote to memory of 4824	1088	RdrCEF.exe	86
PID 1088 wrote to memory of 4824	1088	RdrCEF.exe	86
PID 1088 wrote to memory of 4824	1088	RdrCEF.exe	86
PID 1088 wrote to memory of 4824	1088	RdrCEF.exe	86
PID 1088 wrote to memory of 4824	1088	RdrCEF.exe	86
PID 1088 wrote to memory of 4824	1088	RdrCEF.exe	86
PID 1088 wrote to memory of 4824	1088	RdrCEF.exe	86
PID 1088 wrote to memory of 4824	1088	RdrCEF.exe	86
PID 1088 wrote to memory of 4824	1088	RdrCEF.exe	86
PID 1088 wrote to memory of 4824	1088	RdrCEF.exe	86
PID 1088 wrote to memory of 4824	1088	RdrCEF.exe	86
PID 1088 wrote to memory of 4824	1088	RdrCEF.exe	86
PID 1088 wrote to memory of 4824	1088	RdrCEF.exe	86
PID 1088 wrote to memory of 4824	1088	RdrCEF.exe	86
PID 1088 wrote to memory of 4824	1088	RdrCEF.exe	86
PID 1088 wrote to memory of 4824	1088	RdrCEF.exe	86
PID 1088 wrote to memory of 4824	1088	RdrCEF.exe	86
PID 1088 wrote to memory of 4824	1088	RdrCEF.exe	86
PID 1088 wrote to memory of 4824	1088	RdrCEF.exe	86
PID 1088 wrote to memory of 4824	1088	RdrCEF.exe	86
PID 1088 wrote to memory of 4824	1088	RdrCEF.exe	86
PID 1088 wrote to memory of 4824	1088	RdrCEF.exe	86
PID 1088 wrote to memory of 4824	1088	RdrCEF.exe	86
PID 1088 wrote to memory of 4824	1088	RdrCEF.exe	86
PID 1088 wrote to memory of 4824	1088	RdrCEF.exe	86
PID 1088 wrote to memory of 4824	1088	RdrCEF.exe	86
PID 1088 wrote to memory of 4824	1088	RdrCEF.exe	86
PID 1088 wrote to memory of 4824	1088	RdrCEF.exe	86
PID 1088 wrote to memory of 4824	1088	RdrCEF.exe	86
PID 1088 wrote to memory of 4824	1088	RdrCEF.exe	86
PID 1088 wrote to memory of 4932	1088	RdrCEF.exe	87
PID 1088 wrote to memory of 4932	1088	RdrCEF.exe	87
PID 1088 wrote to memory of 4932	1088	RdrCEF.exe	87
PID 1088 wrote to memory of 4932	1088	RdrCEF.exe	87
PID 1088 wrote to memory of 4932	1088	RdrCEF.exe	87
PID 1088 wrote to memory of 4932	1088	RdrCEF.exe	87
PID 1088 wrote to memory of 4932	1088	RdrCEF.exe	87
PID 1088 wrote to memory of 4932	1088	RdrCEF.exe	87
PID 1088 wrote to memory of 4932	1088	RdrCEF.exe	87
PID 1088 wrote to memory of 4932	1088	RdrCEF.exe	87
PID 1088 wrote to memory of 4932	1088	RdrCEF.exe	87
PID 1088 wrote to memory of 4932	1088	RdrCEF.exe	87
PID 1088 wrote to memory of 4932	1088	RdrCEF.exe	87
PID 1088 wrote to memory of 4932	1088	RdrCEF.exe	87
PID 1088 wrote to memory of 4932	1088	RdrCEF.exe	87
PID 1088 wrote to memory of 4932	1088	RdrCEF.exe	87
PID 1088 wrote to memory of 4932	1088	RdrCEF.exe	87
PID 1088 wrote to memory of 4932	1088	RdrCEF.exe	87
PID 1088 wrote to memory of 4932	1088	RdrCEF.exe	87
PID 1088 wrote to memory of 4932	1088	RdrCEF.exe	87

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\8f88ea3e6914bb66ab3cb1315f6a69c2.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:1088
- - 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=B03C778FDE362DD1FDEC6EEC92E2CCF1 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4824
- - 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=ECE7814EC2FAC96B23E449CA908310DB --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=ECE7814EC2FAC96B23E449CA908310DB --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4932
- - 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=2AAD42D822FC64DC7ADBBFF8E7CD8008 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:468
- - 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=DBA49B812006B400E0AE886C7E0FFAAD --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2540
- - 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=36C7AA563837976F9F85FF79A5C9C17E --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=36C7AA563837976F9F85FF79A5C9C17E --renderer-client-id=6 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2080
- - 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=154CCC2F0263B3648D00941DEA46E91D --mojo-platform-channel-handle=2724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4976

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
fda206dc4cc23854909ed1b73301e23d

SHA1
4ed614834f7f086adea0a176d092a930b7c2db9a

SHA256
f9809c04138ffe01f3e5ef5670def277ab131d2b1a3a6f5573359278cb0bbeac

SHA512
e00657dac1a35d8e952364e5bbc92f89ae5510430381eff99903f74ee020a7ecfb0850d9c9b25e5d8ecca7edf8e5a3eafe708790f764a0939a44e05a8a9fc526

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