dad56a4a9cecfb445c8b33f6d930e0c6ca457af41fed5a68867dc7a27a545589

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
08/01/2024, 04:17

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General

Target
4a6a953b8ad7380359daf7a30c50e2c9.pdf
Size 77KB
Sample240108-ewlbwsahdr
SHA256 dad56a4a9cecfb445c8b33f6d930e0c6ca457af41fed5a68867dc7a27a545589
MD5 4a6a953b8ad7380359daf7a30c50e2c9
SHA1 768d455d20c4896fef4b8691c1f25d8a35ef05ec
SHA512 040604464f7c7388d63f2e928513131a1bfdf43a43e0d21561ae9b39ec3370bfe1783b9652ad4b76558128f05656bafa65577f2b6f3568510575aca02e8ed680
SSDEEP 1536:zHIsA9JMW7kG+jbSgVNrmdzfl9kdNqURH2K7DpLRt0wWOpOSW9+LW9U5U7Ko:kz9TfIb31mdbl9kdEK7DzCNST2hN
MD5 SHA1 SHA512 SSDEEP

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2588	AcroRd32.exe
2588	AcroRd32.exe
2588	AcroRd32.exe
2588	AcroRd32.exe
2588	AcroRd32.exe
2588	AcroRd32.exe
2588	AcroRd32.exe
2588	AcroRd32.exe
2588	AcroRd32.exe
2588	AcroRd32.exe
2588	AcroRd32.exe
2588	AcroRd32.exe
2588	AcroRd32.exe
2588	AcroRd32.exe
2588	AcroRd32.exe
2588	AcroRd32.exe
2588	AcroRd32.exe
2588	AcroRd32.exe
2588	AcroRd32.exe
2588	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2588	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2588	AcroRd32.exe
2588	AcroRd32.exe
2588	AcroRd32.exe
2588	AcroRd32.exe
2588	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2588 wrote to memory of 4352	2588	AcroRd32.exe	93
PID 2588 wrote to memory of 4352	2588	AcroRd32.exe	93
PID 2588 wrote to memory of 4352	2588	AcroRd32.exe	93
PID 4352 wrote to memory of 4920	4352	RdrCEF.exe	94
PID 4352 wrote to memory of 4920	4352	RdrCEF.exe	94
PID 4352 wrote to memory of 4920	4352	RdrCEF.exe	94
PID 4352 wrote to memory of 4920	4352	RdrCEF.exe	94
PID 4352 wrote to memory of 4920	4352	RdrCEF.exe	94
PID 4352 wrote to memory of 4920	4352	RdrCEF.exe	94
PID 4352 wrote to memory of 4920	4352	RdrCEF.exe	94
PID 4352 wrote to memory of 4920	4352	RdrCEF.exe	94
PID 4352 wrote to memory of 4920	4352	RdrCEF.exe	94
PID 4352 wrote to memory of 4920	4352	RdrCEF.exe	94
PID 4352 wrote to memory of 4920	4352	RdrCEF.exe	94
PID 4352 wrote to memory of 4920	4352	RdrCEF.exe	94
PID 4352 wrote to memory of 4920	4352	RdrCEF.exe	94
PID 4352 wrote to memory of 4920	4352	RdrCEF.exe	94
PID 4352 wrote to memory of 4920	4352	RdrCEF.exe	94
PID 4352 wrote to memory of 4920	4352	RdrCEF.exe	94
PID 4352 wrote to memory of 4920	4352	RdrCEF.exe	94
PID 4352 wrote to memory of 4920	4352	RdrCEF.exe	94
PID 4352 wrote to memory of 4920	4352	RdrCEF.exe	94
PID 4352 wrote to memory of 4920	4352	RdrCEF.exe	94
PID 4352 wrote to memory of 4920	4352	RdrCEF.exe	94
PID 4352 wrote to memory of 4920	4352	RdrCEF.exe	94
PID 4352 wrote to memory of 4920	4352	RdrCEF.exe	94
PID 4352 wrote to memory of 4920	4352	RdrCEF.exe	94
PID 4352 wrote to memory of 4920	4352	RdrCEF.exe	94
PID 4352 wrote to memory of 4920	4352	RdrCEF.exe	94
PID 4352 wrote to memory of 4920	4352	RdrCEF.exe	94
PID 4352 wrote to memory of 4920	4352	RdrCEF.exe	94
PID 4352 wrote to memory of 4920	4352	RdrCEF.exe	94
PID 4352 wrote to memory of 4920	4352	RdrCEF.exe	94
PID 4352 wrote to memory of 4920	4352	RdrCEF.exe	94
PID 4352 wrote to memory of 4920	4352	RdrCEF.exe	94
PID 4352 wrote to memory of 4920	4352	RdrCEF.exe	94
PID 4352 wrote to memory of 4920	4352	RdrCEF.exe	94
PID 4352 wrote to memory of 4920	4352	RdrCEF.exe	94
PID 4352 wrote to memory of 4920	4352	RdrCEF.exe	94
PID 4352 wrote to memory of 4920	4352	RdrCEF.exe	94
PID 4352 wrote to memory of 4920	4352	RdrCEF.exe	94
PID 4352 wrote to memory of 4920	4352	RdrCEF.exe	94
PID 4352 wrote to memory of 4920	4352	RdrCEF.exe	94
PID 4352 wrote to memory of 4920	4352	RdrCEF.exe	94
PID 4352 wrote to memory of 3504	4352	RdrCEF.exe	95
PID 4352 wrote to memory of 3504	4352	RdrCEF.exe	95
PID 4352 wrote to memory of 3504	4352	RdrCEF.exe	95
PID 4352 wrote to memory of 3504	4352	RdrCEF.exe	95
PID 4352 wrote to memory of 3504	4352	RdrCEF.exe	95
PID 4352 wrote to memory of 3504	4352	RdrCEF.exe	95
PID 4352 wrote to memory of 3504	4352	RdrCEF.exe	95
PID 4352 wrote to memory of 3504	4352	RdrCEF.exe	95
PID 4352 wrote to memory of 3504	4352	RdrCEF.exe	95
PID 4352 wrote to memory of 3504	4352	RdrCEF.exe	95
PID 4352 wrote to memory of 3504	4352	RdrCEF.exe	95
PID 4352 wrote to memory of 3504	4352	RdrCEF.exe	95
PID 4352 wrote to memory of 3504	4352	RdrCEF.exe	95
PID 4352 wrote to memory of 3504	4352	RdrCEF.exe	95
PID 4352 wrote to memory of 3504	4352	RdrCEF.exe	95
PID 4352 wrote to memory of 3504	4352	RdrCEF.exe	95
PID 4352 wrote to memory of 3504	4352	RdrCEF.exe	95
PID 4352 wrote to memory of 3504	4352	RdrCEF.exe	95
PID 4352 wrote to memory of 3504	4352	RdrCEF.exe	95
PID 4352 wrote to memory of 3504	4352	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\4a6a953b8ad7380359daf7a30c50e2c9.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:2588
- 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:4352
- - 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=3D4C7B03FCF535F829D0654283C1B246 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4920
- - 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=A4FAFA0B9994D8CD9B40AA649CD9997C --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=A4FAFA0B9994D8CD9B40AA649CD9997C --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3504
- - 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=DF0509A153024886D043265801D663DC --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4536
- - 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=D894B191DF4994531B192C7FFAAC59DF --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2800
- - 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=E45C5F88DAE71233704B37ED7F0C6C9B --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=E45C5F88DAE71233704B37ED7F0C6C9B --renderer-client-id=6 --mojo-platform-channel-handle=2480 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2460
- - 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=B4989C280BA2F51739CFB9C2B4D471D7 --mojo-platform-channel-handle=2668 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3628

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3288

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

ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 64KB
SHA256 2a81e0514986b0972b5c044c9e375dfcc8ed4c2677fbfe7771cced6e8d23b0ac
MD5 c6eccd6b491054cb40871d304d50675d
SHA1 6163eb92899316ff594ac428cc6f94a017ad4f84
SHA512 71fb99847297050ee0bf132ac05d959306def8d0a48e26ce81b9066b0b0facf508bf7d64c6750cdfdafb910f9fbcf92f11135256af6b8141d40017ba02239ca6
SSDEEP 384:yecdThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:H+elZsLQCZsL3hUS4
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 36KB
SHA256 b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
MD5 b30d3becc8731792523d599d949e63f5
SHA1 19350257e42d7aee17fb3bf139a9d3adb330fad4
SHA512 523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
SSDEEP 24:TLiXlzkrFsgIFsxX3pALXmnHpkDGjmcxBSkomXk+2m9RFTsyg+wmf9Mzm+Zs3tGl:TqlmFTIF3XmHjBoGGR+jMz+LhT
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 56KB
SHA256 111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
MD5 752a1f26b18748311b691c7d8fc20633
SHA1 c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA512 a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5
SSDEEP 192:wedRBvVrThe4p4/KhTB4p4CitZtkZsLRGVDbw6H3ph+v3YQa9:weZdThkKhBvkZsLRGlzh+vS9
MD5 SHA1 SHA512 SSDEEP

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