79f35f4c390df5fe12e5cc9ea86a0ac6acfa73fb2d1aa2f7d06687424830284f

Analysis

max time kernel
142s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
24-01-2024 23:28

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General

Target

7323a20f5ee47d93ce4bca88adb82d44.pdf
Size

82KB
MD5

7323a20f5ee47d93ce4bca88adb82d44
SHA1

7c853184a64619129ad50238f994042113682569
SHA256

79f35f4c390df5fe12e5cc9ea86a0ac6acfa73fb2d1aa2f7d06687424830284f
SHA512

f32508496011932a723ee85101d51794f01ef82a5c177b69fd1f191c69883f80ac93cb30e5bdf2ce2b63c1eda9c64154b994c283906fa007efe55ef37b6052f9
SSDEEP

1536:tCm21uOYaF+q/7LFpq+504kd3E1TtBO7/n3WspOLo1xm5W8Fur6i6w7gWFbV5:oz2o+qF59Q01Tt87P+Lo1cz3WFz

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
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4828	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe
4828	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4828 wrote to memory of 2852	4828	AcroRd32.exe	93
PID 4828 wrote to memory of 2852	4828	AcroRd32.exe	93
PID 4828 wrote to memory of 2852	4828	AcroRd32.exe	93
PID 2852 wrote to memory of 2844	2852	RdrCEF.exe	94
PID 2852 wrote to memory of 2844	2852	RdrCEF.exe	94
PID 2852 wrote to memory of 2844	2852	RdrCEF.exe	94
PID 2852 wrote to memory of 2844	2852	RdrCEF.exe	94
PID 2852 wrote to memory of 2844	2852	RdrCEF.exe	94
PID 2852 wrote to memory of 2844	2852	RdrCEF.exe	94
PID 2852 wrote to memory of 2844	2852	RdrCEF.exe	94
PID 2852 wrote to memory of 2844	2852	RdrCEF.exe	94
PID 2852 wrote to memory of 2844	2852	RdrCEF.exe	94
PID 2852 wrote to memory of 2844	2852	RdrCEF.exe	94
PID 2852 wrote to memory of 2844	2852	RdrCEF.exe	94
PID 2852 wrote to memory of 2844	2852	RdrCEF.exe	94
PID 2852 wrote to memory of 2844	2852	RdrCEF.exe	94
PID 2852 wrote to memory of 2844	2852	RdrCEF.exe	94
PID 2852 wrote to memory of 2844	2852	RdrCEF.exe	94
PID 2852 wrote to memory of 2844	2852	RdrCEF.exe	94
PID 2852 wrote to memory of 2844	2852	RdrCEF.exe	94
PID 2852 wrote to memory of 2844	2852	RdrCEF.exe	94
PID 2852 wrote to memory of 2844	2852	RdrCEF.exe	94
PID 2852 wrote to memory of 2844	2852	RdrCEF.exe	94
PID 2852 wrote to memory of 2844	2852	RdrCEF.exe	94
PID 2852 wrote to memory of 2844	2852	RdrCEF.exe	94
PID 2852 wrote to memory of 2844	2852	RdrCEF.exe	94
PID 2852 wrote to memory of 2844	2852	RdrCEF.exe	94
PID 2852 wrote to memory of 2844	2852	RdrCEF.exe	94
PID 2852 wrote to memory of 2844	2852	RdrCEF.exe	94
PID 2852 wrote to memory of 2844	2852	RdrCEF.exe	94
PID 2852 wrote to memory of 2844	2852	RdrCEF.exe	94
PID 2852 wrote to memory of 2844	2852	RdrCEF.exe	94
PID 2852 wrote to memory of 2844	2852	RdrCEF.exe	94
PID 2852 wrote to memory of 2844	2852	RdrCEF.exe	94
PID 2852 wrote to memory of 2844	2852	RdrCEF.exe	94
PID 2852 wrote to memory of 2844	2852	RdrCEF.exe	94
PID 2852 wrote to memory of 2844	2852	RdrCEF.exe	94
PID 2852 wrote to memory of 2844	2852	RdrCEF.exe	94
PID 2852 wrote to memory of 2844	2852	RdrCEF.exe	94
PID 2852 wrote to memory of 2844	2852	RdrCEF.exe	94
PID 2852 wrote to memory of 2844	2852	RdrCEF.exe	94
PID 2852 wrote to memory of 2844	2852	RdrCEF.exe	94
PID 2852 wrote to memory of 2844	2852	RdrCEF.exe	94
PID 2852 wrote to memory of 2844	2852	RdrCEF.exe	94
PID 2852 wrote to memory of 4804	2852	RdrCEF.exe	95
PID 2852 wrote to memory of 4804	2852	RdrCEF.exe	95
PID 2852 wrote to memory of 4804	2852	RdrCEF.exe	95
PID 2852 wrote to memory of 4804	2852	RdrCEF.exe	95
PID 2852 wrote to memory of 4804	2852	RdrCEF.exe	95
PID 2852 wrote to memory of 4804	2852	RdrCEF.exe	95
PID 2852 wrote to memory of 4804	2852	RdrCEF.exe	95
PID 2852 wrote to memory of 4804	2852	RdrCEF.exe	95
PID 2852 wrote to memory of 4804	2852	RdrCEF.exe	95
PID 2852 wrote to memory of 4804	2852	RdrCEF.exe	95
PID 2852 wrote to memory of 4804	2852	RdrCEF.exe	95
PID 2852 wrote to memory of 4804	2852	RdrCEF.exe	95
PID 2852 wrote to memory of 4804	2852	RdrCEF.exe	95
PID 2852 wrote to memory of 4804	2852	RdrCEF.exe	95
PID 2852 wrote to memory of 4804	2852	RdrCEF.exe	95
PID 2852 wrote to memory of 4804	2852	RdrCEF.exe	95
PID 2852 wrote to memory of 4804	2852	RdrCEF.exe	95
PID 2852 wrote to memory of 4804	2852	RdrCEF.exe	95
PID 2852 wrote to memory of 4804	2852	RdrCEF.exe	95
PID 2852 wrote to memory of 4804	2852	RdrCEF.exe	95

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\7323a20f5ee47d93ce4bca88adb82d44.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:4828
- 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:2852
- - 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=D744CD0F275368BE818FDE0A9DBAC5BB --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2844
- - 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=45BCFFA71C8EA2977B717A4D1577C49B --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=45BCFFA71C8EA2977B717A4D1577C49B --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4804
- - 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=B05FF05840E1DD5C3C8DFFD1788BEE23 --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=B05FF05840E1DD5C3C8DFFD1788BEE23 --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2796
- - 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=6B3600751CD2A44A9DD8B66F63AC6F95 --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:912
- - 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=06AF021F82AA2B64971842E6AD0D7080 --mojo-platform-channel-handle=1968 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1880
- - 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=037332ACC451A40E110AB8BD35C4A8C3 --mojo-platform-channel-handle=1968 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1804

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3032

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
5b1da1cbdff75e35dba2e8133ca69f21

SHA1
8538900dd7797946522ba2516210562831e0c655

SHA256
80dae99a0eab334bf6914a7365139fad742d1178fe5c8ba9e75d1f9ee02b6b58

SHA512
cb08d575e0d5da0009f886d8e879a7e5dfa69dceafc8f87724c008a3caffbf01e9f3647aba958aa7a4d69334857b27996a5a9004d80d353446c8d79c386771d7

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