746d04b737d031fb6c0738bf3e5da8db7bc300f83c05217ee9328fca3f62756e

Analysis

max time kernel
144s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
09/01/2024, 13:22

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General

Target

4e69f5f79f47e6f2373ae983b3158367.pdf
Size

78KB
MD5

4e69f5f79f47e6f2373ae983b3158367
SHA1

7e05e47cebf34c4ebd8b6f74bc14b7bac98c5c77
SHA256

746d04b737d031fb6c0738bf3e5da8db7bc300f83c05217ee9328fca3f62756e
SHA512

067022a0e2e78b39cde00c2dc06384ca5d8c66889781980b28eade3c4d61759877ece3f9c436ec5828cce935dd5343492b75fa258aacc8b934348d14dfba8881
SSDEEP

1536:VJXExE8Ec8kZ9OKb72rJ0haFRmRXWypOlLzamQWJI3DRoKte:sIc8kbql0hQRkglLzFho+9

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4408	AcroRd32.exe
4408	AcroRd32.exe
4408	AcroRd32.exe
4408	AcroRd32.exe
4408	AcroRd32.exe
4408	AcroRd32.exe
4408	AcroRd32.exe
4408	AcroRd32.exe
4408	AcroRd32.exe
4408	AcroRd32.exe
4408	AcroRd32.exe
4408	AcroRd32.exe
4408	AcroRd32.exe
4408	AcroRd32.exe
4408	AcroRd32.exe
4408	AcroRd32.exe
4408	AcroRd32.exe
4408	AcroRd32.exe
4408	AcroRd32.exe
4408	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4408	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4408	AcroRd32.exe
4408	AcroRd32.exe
4408	AcroRd32.exe
4408	AcroRd32.exe
4408	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4408 wrote to memory of 3604	4408	AcroRd32.exe	91
PID 4408 wrote to memory of 3604	4408	AcroRd32.exe	91
PID 4408 wrote to memory of 3604	4408	AcroRd32.exe	91
PID 3604 wrote to memory of 4992	3604	RdrCEF.exe	93
PID 3604 wrote to memory of 4992	3604	RdrCEF.exe	93
PID 3604 wrote to memory of 4992	3604	RdrCEF.exe	93
PID 3604 wrote to memory of 4992	3604	RdrCEF.exe	93
PID 3604 wrote to memory of 4992	3604	RdrCEF.exe	93
PID 3604 wrote to memory of 4992	3604	RdrCEF.exe	93
PID 3604 wrote to memory of 4992	3604	RdrCEF.exe	93
PID 3604 wrote to memory of 4992	3604	RdrCEF.exe	93
PID 3604 wrote to memory of 4992	3604	RdrCEF.exe	93
PID 3604 wrote to memory of 4992	3604	RdrCEF.exe	93
PID 3604 wrote to memory of 4992	3604	RdrCEF.exe	93
PID 3604 wrote to memory of 4992	3604	RdrCEF.exe	93
PID 3604 wrote to memory of 4992	3604	RdrCEF.exe	93
PID 3604 wrote to memory of 4992	3604	RdrCEF.exe	93
PID 3604 wrote to memory of 4992	3604	RdrCEF.exe	93
PID 3604 wrote to memory of 4992	3604	RdrCEF.exe	93
PID 3604 wrote to memory of 4992	3604	RdrCEF.exe	93
PID 3604 wrote to memory of 4992	3604	RdrCEF.exe	93
PID 3604 wrote to memory of 4992	3604	RdrCEF.exe	93
PID 3604 wrote to memory of 4992	3604	RdrCEF.exe	93
PID 3604 wrote to memory of 4992	3604	RdrCEF.exe	93
PID 3604 wrote to memory of 4992	3604	RdrCEF.exe	93
PID 3604 wrote to memory of 4992	3604	RdrCEF.exe	93
PID 3604 wrote to memory of 4992	3604	RdrCEF.exe	93
PID 3604 wrote to memory of 4992	3604	RdrCEF.exe	93
PID 3604 wrote to memory of 4992	3604	RdrCEF.exe	93
PID 3604 wrote to memory of 4992	3604	RdrCEF.exe	93
PID 3604 wrote to memory of 4992	3604	RdrCEF.exe	93
PID 3604 wrote to memory of 4992	3604	RdrCEF.exe	93
PID 3604 wrote to memory of 4992	3604	RdrCEF.exe	93
PID 3604 wrote to memory of 4992	3604	RdrCEF.exe	93
PID 3604 wrote to memory of 4992	3604	RdrCEF.exe	93
PID 3604 wrote to memory of 4992	3604	RdrCEF.exe	93
PID 3604 wrote to memory of 4992	3604	RdrCEF.exe	93
PID 3604 wrote to memory of 4992	3604	RdrCEF.exe	93
PID 3604 wrote to memory of 4992	3604	RdrCEF.exe	93
PID 3604 wrote to memory of 4992	3604	RdrCEF.exe	93
PID 3604 wrote to memory of 4992	3604	RdrCEF.exe	93
PID 3604 wrote to memory of 4992	3604	RdrCEF.exe	93
PID 3604 wrote to memory of 4992	3604	RdrCEF.exe	93
PID 3604 wrote to memory of 4992	3604	RdrCEF.exe	93
PID 3604 wrote to memory of 1812	3604	RdrCEF.exe	92
PID 3604 wrote to memory of 1812	3604	RdrCEF.exe	92
PID 3604 wrote to memory of 1812	3604	RdrCEF.exe	92
PID 3604 wrote to memory of 1812	3604	RdrCEF.exe	92
PID 3604 wrote to memory of 1812	3604	RdrCEF.exe	92
PID 3604 wrote to memory of 1812	3604	RdrCEF.exe	92
PID 3604 wrote to memory of 1812	3604	RdrCEF.exe	92
PID 3604 wrote to memory of 1812	3604	RdrCEF.exe	92
PID 3604 wrote to memory of 1812	3604	RdrCEF.exe	92
PID 3604 wrote to memory of 1812	3604	RdrCEF.exe	92
PID 3604 wrote to memory of 1812	3604	RdrCEF.exe	92
PID 3604 wrote to memory of 1812	3604	RdrCEF.exe	92
PID 3604 wrote to memory of 1812	3604	RdrCEF.exe	92
PID 3604 wrote to memory of 1812	3604	RdrCEF.exe	92
PID 3604 wrote to memory of 1812	3604	RdrCEF.exe	92
PID 3604 wrote to memory of 1812	3604	RdrCEF.exe	92
PID 3604 wrote to memory of 1812	3604	RdrCEF.exe	92
PID 3604 wrote to memory of 1812	3604	RdrCEF.exe	92
PID 3604 wrote to memory of 1812	3604	RdrCEF.exe	92
PID 3604 wrote to memory of 1812	3604	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\4e69f5f79f47e6f2373ae983b3158367.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:4408
- 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:3604
- - 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=E13B360C34B85C28238C8DB82FBB53A2 --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=E13B360C34B85C28238C8DB82FBB53A2 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1812
- - 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=11E9DEC6CDF4162A50C9E898AA42AC35 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4992
- - 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=A7D46756AA74C6CEA0D22676BD8028FA --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1616
- - 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=F769D32B05CC40EC30A403222210AC1E --mojo-platform-channel-handle=1896 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3096
- - 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=4F421F9F6B7AD71465CAAA7DFA6CAFBE --mojo-platform-channel-handle=1848 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4948
- - 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=39C7D827E416F07B237A41CD1A353F94 --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=39C7D827E416F07B237A41CD1A353F94 --renderer-client-id=7 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2344

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2228

C:\Windows\System32\mousocoreworker.exe
C:\Windows\System32\mousocoreworker.exe -Embedding
1⤵
PID:3096

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
240f1a12dfc196d2da059a2904345b78

SHA1
5b787ae0161cc615e8a8293ffef90507b956e714

SHA256
35035678f45423fa452682bf303aa1fb2d15612b37cacc874597bc9f0e5e3179

SHA512
ad8041d5ddfc42e97840f76be5f183633ab738f04267257dccc55152295f351371849e82f912b19b23f3d2f86808050711ac12689f496a638a3a36b7b4fa37d1

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

Filesize
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit