78edc707f5ef6df823bafc46104b22726f2bc0ac0a2bf5d8eb593d364117c37f

Analysis

max time kernel
147s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
06/03/2024, 10:48

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General

Target

b73b74fa803cde2f3f0cc26df916a3c8.pdf
Size

103KB
MD5

b73b74fa803cde2f3f0cc26df916a3c8
SHA1

ccc9a4db3ce53f79dde427533f28baceb1bd80ab
SHA256

78edc707f5ef6df823bafc46104b22726f2bc0ac0a2bf5d8eb593d364117c37f
SHA512

3b4ba3e3d454ee7902c42a5f8087813afeac548bc52874784a95ee499bce32643f98806a86ec8fdfd45ff611d5bef868402b7bb7545cfe712e2e9b11c7da591a
SSDEEP

3072:iGqNpCE5ArLYSr0qIYWCbU4RMs3GqJqlDg1U:EpCeArBeG5nQ

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-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3508	AcroRd32.exe
3508	AcroRd32.exe
3508	AcroRd32.exe
3508	AcroRd32.exe
3508	AcroRd32.exe
3508	AcroRd32.exe
3508	AcroRd32.exe
3508	AcroRd32.exe
3508	AcroRd32.exe
3508	AcroRd32.exe
3508	AcroRd32.exe
3508	AcroRd32.exe
3508	AcroRd32.exe
3508	AcroRd32.exe
3508	AcroRd32.exe
3508	AcroRd32.exe
3508	AcroRd32.exe
3508	AcroRd32.exe
3508	AcroRd32.exe
3508	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3508	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3508	AcroRd32.exe
3508	AcroRd32.exe
3508	AcroRd32.exe
3508	AcroRd32.exe
3508	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3508 wrote to memory of 2676	3508	AcroRd32.exe	91
PID 3508 wrote to memory of 2676	3508	AcroRd32.exe	91
PID 3508 wrote to memory of 2676	3508	AcroRd32.exe	91
PID 2676 wrote to memory of 4908	2676	RdrCEF.exe	95
PID 2676 wrote to memory of 4908	2676	RdrCEF.exe	95
PID 2676 wrote to memory of 4908	2676	RdrCEF.exe	95
PID 2676 wrote to memory of 4908	2676	RdrCEF.exe	95
PID 2676 wrote to memory of 4908	2676	RdrCEF.exe	95
PID 2676 wrote to memory of 4908	2676	RdrCEF.exe	95
PID 2676 wrote to memory of 4908	2676	RdrCEF.exe	95
PID 2676 wrote to memory of 4908	2676	RdrCEF.exe	95
PID 2676 wrote to memory of 4908	2676	RdrCEF.exe	95
PID 2676 wrote to memory of 4908	2676	RdrCEF.exe	95
PID 2676 wrote to memory of 4908	2676	RdrCEF.exe	95
PID 2676 wrote to memory of 4908	2676	RdrCEF.exe	95
PID 2676 wrote to memory of 4908	2676	RdrCEF.exe	95
PID 2676 wrote to memory of 4908	2676	RdrCEF.exe	95
PID 2676 wrote to memory of 4908	2676	RdrCEF.exe	95
PID 2676 wrote to memory of 4908	2676	RdrCEF.exe	95
PID 2676 wrote to memory of 4908	2676	RdrCEF.exe	95
PID 2676 wrote to memory of 4908	2676	RdrCEF.exe	95
PID 2676 wrote to memory of 4908	2676	RdrCEF.exe	95
PID 2676 wrote to memory of 4908	2676	RdrCEF.exe	95
PID 2676 wrote to memory of 4908	2676	RdrCEF.exe	95
PID 2676 wrote to memory of 4908	2676	RdrCEF.exe	95
PID 2676 wrote to memory of 4908	2676	RdrCEF.exe	95
PID 2676 wrote to memory of 4908	2676	RdrCEF.exe	95
PID 2676 wrote to memory of 4908	2676	RdrCEF.exe	95
PID 2676 wrote to memory of 4908	2676	RdrCEF.exe	95
PID 2676 wrote to memory of 4908	2676	RdrCEF.exe	95
PID 2676 wrote to memory of 4908	2676	RdrCEF.exe	95
PID 2676 wrote to memory of 4908	2676	RdrCEF.exe	95
PID 2676 wrote to memory of 4908	2676	RdrCEF.exe	95
PID 2676 wrote to memory of 4908	2676	RdrCEF.exe	95
PID 2676 wrote to memory of 4908	2676	RdrCEF.exe	95
PID 2676 wrote to memory of 4908	2676	RdrCEF.exe	95
PID 2676 wrote to memory of 4908	2676	RdrCEF.exe	95
PID 2676 wrote to memory of 4908	2676	RdrCEF.exe	95
PID 2676 wrote to memory of 4908	2676	RdrCEF.exe	95
PID 2676 wrote to memory of 4908	2676	RdrCEF.exe	95
PID 2676 wrote to memory of 4908	2676	RdrCEF.exe	95
PID 2676 wrote to memory of 4908	2676	RdrCEF.exe	95
PID 2676 wrote to memory of 4908	2676	RdrCEF.exe	95
PID 2676 wrote to memory of 4908	2676	RdrCEF.exe	95
PID 2676 wrote to memory of 1920	2676	RdrCEF.exe	96
PID 2676 wrote to memory of 1920	2676	RdrCEF.exe	96
PID 2676 wrote to memory of 1920	2676	RdrCEF.exe	96
PID 2676 wrote to memory of 1920	2676	RdrCEF.exe	96
PID 2676 wrote to memory of 1920	2676	RdrCEF.exe	96
PID 2676 wrote to memory of 1920	2676	RdrCEF.exe	96
PID 2676 wrote to memory of 1920	2676	RdrCEF.exe	96
PID 2676 wrote to memory of 1920	2676	RdrCEF.exe	96
PID 2676 wrote to memory of 1920	2676	RdrCEF.exe	96
PID 2676 wrote to memory of 1920	2676	RdrCEF.exe	96
PID 2676 wrote to memory of 1920	2676	RdrCEF.exe	96
PID 2676 wrote to memory of 1920	2676	RdrCEF.exe	96
PID 2676 wrote to memory of 1920	2676	RdrCEF.exe	96
PID 2676 wrote to memory of 1920	2676	RdrCEF.exe	96
PID 2676 wrote to memory of 1920	2676	RdrCEF.exe	96
PID 2676 wrote to memory of 1920	2676	RdrCEF.exe	96
PID 2676 wrote to memory of 1920	2676	RdrCEF.exe	96
PID 2676 wrote to memory of 1920	2676	RdrCEF.exe	96
PID 2676 wrote to memory of 1920	2676	RdrCEF.exe	96
PID 2676 wrote to memory of 1920	2676	RdrCEF.exe	96

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\b73b74fa803cde2f3f0cc26df916a3c8.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:3508
- 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:2676
- - 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=EAAE44E4A34B9548DCE1C9D47571EA37 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4908
- - 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=3FBD6FE9A15F7E83B16DE7714EDD6397 --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=3FBD6FE9A15F7E83B16DE7714EDD6397 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1920
- - 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=CC16EC4D37A338D86054C651496FD296 --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=CC16EC4D37A338D86054C651496FD296 --renderer-client-id=4 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5012
- - 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=20A3AE2090BDD77EB38E49F1DDA13F8C --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1296
- - 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=66623C951EDCC2CEBDF67231D392B040 --mojo-platform-channel-handle=2572 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    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=5CB35DBA837EAA7743EF9985AEE6F5D7 --mojo-platform-channel-handle=2684 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3132

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
034ae3aae52671cd209bcf897c27d356

SHA1
ba0cc1ff0659da3546cd189a3072661a76be2b3f

SHA256
e3a88c201d2d923024617406d591f1f224f34b3f8a6db3d57b821092724c2829

SHA512
12d3c309f269adc83543b74389c436469eec9f740af72f3332fc5944047cbe81cce7baaef0db185adfeccb74dff56f2af916ba6564efb85f713f67e54a25b1fd

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