79b8296d8465ac23eab7de855e85901377b70b32dd45896daff4415044d81911

Analysis

max time kernel
141s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
04/02/2024, 10:27

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General

Target

8eea79630c846dfc604110948121c8db.pdf
Size

89KB
MD5

8eea79630c846dfc604110948121c8db
SHA1

99a42b83038dd5df6a7b9fb54c9563dee8fe93fb
SHA256

79b8296d8465ac23eab7de855e85901377b70b32dd45896daff4415044d81911
SHA512

88fa45e2c0f2a03d20e7511e6373d7d8ec5e6164fbf3350e13f5a0e05b68d6eec9d09c04b4b0917534a199e67eb29e9433baa6f1b173c50b555c06e0c1523307
SSDEEP

1536:GYxj2vWO4x+WpLH7AqNT96cmsT5VoMSwN0xwtZ5JPqfnGQp3QLWxApOGzWxeripc:NiWOoNNVFmsT5mM7N0xwbGGQp3QU3GAM

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2412	AcroRd32.exe
2412	AcroRd32.exe
2412	AcroRd32.exe
2412	AcroRd32.exe
2412	AcroRd32.exe
2412	AcroRd32.exe
2412	AcroRd32.exe
2412	AcroRd32.exe
2412	AcroRd32.exe
2412	AcroRd32.exe
2412	AcroRd32.exe
2412	AcroRd32.exe
2412	AcroRd32.exe
2412	AcroRd32.exe
2412	AcroRd32.exe
2412	AcroRd32.exe
2412	AcroRd32.exe
2412	AcroRd32.exe
2412	AcroRd32.exe
2412	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2412	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2412	AcroRd32.exe
2412	AcroRd32.exe
2412	AcroRd32.exe
2412	AcroRd32.exe
2412	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2412 wrote to memory of 4760	2412	AcroRd32.exe	91
PID 2412 wrote to memory of 4760	2412	AcroRd32.exe	91
PID 2412 wrote to memory of 4760	2412	AcroRd32.exe	91
PID 4760 wrote to memory of 876	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 876	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 876	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 876	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 876	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 876	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 876	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 876	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 876	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 876	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 876	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 876	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 876	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 876	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 876	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 876	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 876	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 876	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 876	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 876	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 876	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 876	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 876	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 876	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 876	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 876	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 876	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 876	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 876	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 876	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 876	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 876	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 876	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 876	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 876	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 876	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 876	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 876	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 876	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 876	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 876	4760	RdrCEF.exe	94
PID 4760 wrote to memory of 2776	4760	RdrCEF.exe	95
PID 4760 wrote to memory of 2776	4760	RdrCEF.exe	95
PID 4760 wrote to memory of 2776	4760	RdrCEF.exe	95
PID 4760 wrote to memory of 2776	4760	RdrCEF.exe	95
PID 4760 wrote to memory of 2776	4760	RdrCEF.exe	95
PID 4760 wrote to memory of 2776	4760	RdrCEF.exe	95
PID 4760 wrote to memory of 2776	4760	RdrCEF.exe	95
PID 4760 wrote to memory of 2776	4760	RdrCEF.exe	95
PID 4760 wrote to memory of 2776	4760	RdrCEF.exe	95
PID 4760 wrote to memory of 2776	4760	RdrCEF.exe	95
PID 4760 wrote to memory of 2776	4760	RdrCEF.exe	95
PID 4760 wrote to memory of 2776	4760	RdrCEF.exe	95
PID 4760 wrote to memory of 2776	4760	RdrCEF.exe	95
PID 4760 wrote to memory of 2776	4760	RdrCEF.exe	95
PID 4760 wrote to memory of 2776	4760	RdrCEF.exe	95
PID 4760 wrote to memory of 2776	4760	RdrCEF.exe	95
PID 4760 wrote to memory of 2776	4760	RdrCEF.exe	95
PID 4760 wrote to memory of 2776	4760	RdrCEF.exe	95
PID 4760 wrote to memory of 2776	4760	RdrCEF.exe	95
PID 4760 wrote to memory of 2776	4760	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\8eea79630c846dfc604110948121c8db.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:2412
- 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:4760
- - 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=E0E717EB83920D6E40BC2869AB65EE84 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:876
- - 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=5F0E4DB6DDC57DABF6424F4467B44A5D --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=5F0E4DB6DDC57DABF6424F4467B44A5D --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2776
- - 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=C53F84EA513FA70F407491D78BC2A4BA --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1124
- - 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=D1BB6973B31999BC2F238F0D38874C07 --mojo-platform-channel-handle=1948 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4680
- - 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=2FADC00A36EB36472444A5D7B6780206 --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=2FADC00A36EB36472444A5D7B6780206 --renderer-client-id=6 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3028
- - 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=4224CEFB00CBA9E6FF097117C2DFB1A0 --mojo-platform-channel-handle=2668 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1888

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2188

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
707009441c0362997b9f956b8957a2b4

SHA1
4b1e56549053a4dbeea012af518fc93fa985630e

SHA256
a4b557f38664a63eb8112851b682042174ffcad53113ca4da0419a152b82d32b

SHA512
b9ac99226fb746f3e1e2591d70a2a4efe8c11f968bc21557fb496e824a01c4a30a83dfb25640c81e3308f982a349c08a25daa257dfa72ab0395fe7dafca72685

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
memory/2412-25-0x000000000B990000-0x000000000B9E0000-memory.dmp

Filesize
320KB

Download
memory/2412-27-0x000000000B990000-0x000000000B9B1000-memory.dmp

Filesize
132KB

Download