77eda4501a30aaa99a23fc558f1122e3e553546b20a403bf742bbb2f12dea1eb

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
07/03/2024, 09:08

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General

Target

b85bdc014e1bf6a86dd8013591efc84b.pdf
Size

92KB
MD5

b85bdc014e1bf6a86dd8013591efc84b
SHA1

8063b22a70a97b5aa0f95d7c93a7d01691cfb8fe
SHA256

77eda4501a30aaa99a23fc558f1122e3e553546b20a403bf742bbb2f12dea1eb
SHA512

9c866e03d71c34df3688d800d9e5b309f1e1738bbef1af272286ee5a005475f89f15b277287477517413bc1aeb3b8dad4e7896192ee6f9d3313c9a4379a20bc3
SSDEEP

1536:eQTjxm3p70dTyKQ7kfENAADWEUshGWDUmR4FfUfYodWLmn1M5/BWApO64Ycn/9E:zjxm3p70dT1gQENAALRDUgRQoV1M5/IG

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-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1480	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe
1480	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1480 wrote to memory of 2256	1480	AcroRd32.exe	92
PID 1480 wrote to memory of 2256	1480	AcroRd32.exe	92
PID 1480 wrote to memory of 2256	1480	AcroRd32.exe	92
PID 2256 wrote to memory of 2684	2256	RdrCEF.exe	93
PID 2256 wrote to memory of 2684	2256	RdrCEF.exe	93
PID 2256 wrote to memory of 2684	2256	RdrCEF.exe	93
PID 2256 wrote to memory of 2684	2256	RdrCEF.exe	93
PID 2256 wrote to memory of 2684	2256	RdrCEF.exe	93
PID 2256 wrote to memory of 2684	2256	RdrCEF.exe	93
PID 2256 wrote to memory of 2684	2256	RdrCEF.exe	93
PID 2256 wrote to memory of 2684	2256	RdrCEF.exe	93
PID 2256 wrote to memory of 2684	2256	RdrCEF.exe	93
PID 2256 wrote to memory of 2684	2256	RdrCEF.exe	93
PID 2256 wrote to memory of 2684	2256	RdrCEF.exe	93
PID 2256 wrote to memory of 2684	2256	RdrCEF.exe	93
PID 2256 wrote to memory of 2684	2256	RdrCEF.exe	93
PID 2256 wrote to memory of 2684	2256	RdrCEF.exe	93
PID 2256 wrote to memory of 2684	2256	RdrCEF.exe	93
PID 2256 wrote to memory of 2684	2256	RdrCEF.exe	93
PID 2256 wrote to memory of 2684	2256	RdrCEF.exe	93
PID 2256 wrote to memory of 2684	2256	RdrCEF.exe	93
PID 2256 wrote to memory of 2684	2256	RdrCEF.exe	93
PID 2256 wrote to memory of 2684	2256	RdrCEF.exe	93
PID 2256 wrote to memory of 2684	2256	RdrCEF.exe	93
PID 2256 wrote to memory of 2684	2256	RdrCEF.exe	93
PID 2256 wrote to memory of 2684	2256	RdrCEF.exe	93
PID 2256 wrote to memory of 2684	2256	RdrCEF.exe	93
PID 2256 wrote to memory of 2684	2256	RdrCEF.exe	93
PID 2256 wrote to memory of 2684	2256	RdrCEF.exe	93
PID 2256 wrote to memory of 2684	2256	RdrCEF.exe	93
PID 2256 wrote to memory of 2684	2256	RdrCEF.exe	93
PID 2256 wrote to memory of 2684	2256	RdrCEF.exe	93
PID 2256 wrote to memory of 2684	2256	RdrCEF.exe	93
PID 2256 wrote to memory of 2684	2256	RdrCEF.exe	93
PID 2256 wrote to memory of 2684	2256	RdrCEF.exe	93
PID 2256 wrote to memory of 2684	2256	RdrCEF.exe	93
PID 2256 wrote to memory of 2684	2256	RdrCEF.exe	93
PID 2256 wrote to memory of 2684	2256	RdrCEF.exe	93
PID 2256 wrote to memory of 2684	2256	RdrCEF.exe	93
PID 2256 wrote to memory of 2684	2256	RdrCEF.exe	93
PID 2256 wrote to memory of 2684	2256	RdrCEF.exe	93
PID 2256 wrote to memory of 2684	2256	RdrCEF.exe	93
PID 2256 wrote to memory of 2684	2256	RdrCEF.exe	93
PID 2256 wrote to memory of 2684	2256	RdrCEF.exe	93
PID 2256 wrote to memory of 1600	2256	RdrCEF.exe	94
PID 2256 wrote to memory of 1600	2256	RdrCEF.exe	94
PID 2256 wrote to memory of 1600	2256	RdrCEF.exe	94
PID 2256 wrote to memory of 1600	2256	RdrCEF.exe	94
PID 2256 wrote to memory of 1600	2256	RdrCEF.exe	94
PID 2256 wrote to memory of 1600	2256	RdrCEF.exe	94
PID 2256 wrote to memory of 1600	2256	RdrCEF.exe	94
PID 2256 wrote to memory of 1600	2256	RdrCEF.exe	94
PID 2256 wrote to memory of 1600	2256	RdrCEF.exe	94
PID 2256 wrote to memory of 1600	2256	RdrCEF.exe	94
PID 2256 wrote to memory of 1600	2256	RdrCEF.exe	94
PID 2256 wrote to memory of 1600	2256	RdrCEF.exe	94
PID 2256 wrote to memory of 1600	2256	RdrCEF.exe	94
PID 2256 wrote to memory of 1600	2256	RdrCEF.exe	94
PID 2256 wrote to memory of 1600	2256	RdrCEF.exe	94
PID 2256 wrote to memory of 1600	2256	RdrCEF.exe	94
PID 2256 wrote to memory of 1600	2256	RdrCEF.exe	94
PID 2256 wrote to memory of 1600	2256	RdrCEF.exe	94
PID 2256 wrote to memory of 1600	2256	RdrCEF.exe	94
PID 2256 wrote to memory of 1600	2256	RdrCEF.exe	94

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\b85bdc014e1bf6a86dd8013591efc84b.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:1480
- 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:2256
- - 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=515AA5D1A599D08291014BBA808887FA --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2684
- - 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=21B472CDAA5C868C4B6A699AD4F19723 --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=21B472CDAA5C868C4B6A699AD4F19723 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1600
- - 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=6C3E9A34E71C169DE984196A1750F1F3 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1940
- - 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=A59B73BE51211045DDDF5E81943588F2 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2352
- - 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=04BB6CB7B9F791EBFD56102BEF4A328A --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=04BB6CB7B9F791EBFD56102BEF4A328A --renderer-client-id=6 --mojo-platform-channel-handle=2408 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1816
- - 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=C6C5D7349B39BDA3D050672C2213926F --mojo-platform-channel-handle=2820 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3684

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4608

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
b94c823b68dbf44f6d4bebbdfea8e49f

SHA1
4c04e367e8e65773da10df79aab66cca75c9a574

SHA256
80ee19aedae9106f04e96004fb0066f6707488405a8279fd84879c3927f641f3

SHA512
5c66a7691207f16cd545a172fec211aff834b5bdacea64995df583ba1a5fc4f4cb6666205a039ed48ced97d82b57881947a8599a1c3e7d825434093983fea290

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