7fb737240289bba6924a300bec8e61297eb4f17baa6923b2b65a84b94baa44dd

Analysis

max time kernel
150s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
09-03-2024 18:00

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General

Target

bc730a8cc0e9d7f035e86315304d42ab.pdf
Size

88KB
MD5

bc730a8cc0e9d7f035e86315304d42ab
SHA1

04f4833544cd1fe5fe79b25b96ef27dfc25d97c4
SHA256

7fb737240289bba6924a300bec8e61297eb4f17baa6923b2b65a84b94baa44dd
SHA512

b190b96440337c8c3e49e3e3a84903d691af2f1719f8d1b77bdd1ec60a68489058d1f77aeb6274a6e70e1daf3ee7eafd946a4d56b662c8a476304d119aeb4b68
SSDEEP

1536:+MnVteph+cdMbbOLPdnAaNMznpNY+aMQePmWWZn874Cn74woCnxXwWOpOwrqZnLh:dVe/Cmd9WpNY1FePs87spCxXNwri

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-1-5-21-2727153400-192325109-1870347593-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1160	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe
1160	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1160 wrote to memory of 1000	1160	AcroRd32.exe	93
PID 1160 wrote to memory of 1000	1160	AcroRd32.exe	93
PID 1160 wrote to memory of 1000	1160	AcroRd32.exe	93
PID 1000 wrote to memory of 2760	1000	RdrCEF.exe	94
PID 1000 wrote to memory of 2760	1000	RdrCEF.exe	94
PID 1000 wrote to memory of 2760	1000	RdrCEF.exe	94
PID 1000 wrote to memory of 2760	1000	RdrCEF.exe	94
PID 1000 wrote to memory of 2760	1000	RdrCEF.exe	94
PID 1000 wrote to memory of 2760	1000	RdrCEF.exe	94
PID 1000 wrote to memory of 2760	1000	RdrCEF.exe	94
PID 1000 wrote to memory of 2760	1000	RdrCEF.exe	94
PID 1000 wrote to memory of 2760	1000	RdrCEF.exe	94
PID 1000 wrote to memory of 2760	1000	RdrCEF.exe	94
PID 1000 wrote to memory of 2760	1000	RdrCEF.exe	94
PID 1000 wrote to memory of 2760	1000	RdrCEF.exe	94
PID 1000 wrote to memory of 2760	1000	RdrCEF.exe	94
PID 1000 wrote to memory of 2760	1000	RdrCEF.exe	94
PID 1000 wrote to memory of 2760	1000	RdrCEF.exe	94
PID 1000 wrote to memory of 2760	1000	RdrCEF.exe	94
PID 1000 wrote to memory of 2760	1000	RdrCEF.exe	94
PID 1000 wrote to memory of 2760	1000	RdrCEF.exe	94
PID 1000 wrote to memory of 2760	1000	RdrCEF.exe	94
PID 1000 wrote to memory of 2760	1000	RdrCEF.exe	94
PID 1000 wrote to memory of 2760	1000	RdrCEF.exe	94
PID 1000 wrote to memory of 2760	1000	RdrCEF.exe	94
PID 1000 wrote to memory of 2760	1000	RdrCEF.exe	94
PID 1000 wrote to memory of 2760	1000	RdrCEF.exe	94
PID 1000 wrote to memory of 2760	1000	RdrCEF.exe	94
PID 1000 wrote to memory of 2760	1000	RdrCEF.exe	94
PID 1000 wrote to memory of 2760	1000	RdrCEF.exe	94
PID 1000 wrote to memory of 2760	1000	RdrCEF.exe	94
PID 1000 wrote to memory of 2760	1000	RdrCEF.exe	94
PID 1000 wrote to memory of 2760	1000	RdrCEF.exe	94
PID 1000 wrote to memory of 2760	1000	RdrCEF.exe	94
PID 1000 wrote to memory of 2760	1000	RdrCEF.exe	94
PID 1000 wrote to memory of 2760	1000	RdrCEF.exe	94
PID 1000 wrote to memory of 2760	1000	RdrCEF.exe	94
PID 1000 wrote to memory of 2760	1000	RdrCEF.exe	94
PID 1000 wrote to memory of 2760	1000	RdrCEF.exe	94
PID 1000 wrote to memory of 2760	1000	RdrCEF.exe	94
PID 1000 wrote to memory of 2760	1000	RdrCEF.exe	94
PID 1000 wrote to memory of 2760	1000	RdrCEF.exe	94
PID 1000 wrote to memory of 2760	1000	RdrCEF.exe	94
PID 1000 wrote to memory of 2760	1000	RdrCEF.exe	94
PID 1000 wrote to memory of 5080	1000	RdrCEF.exe	95
PID 1000 wrote to memory of 5080	1000	RdrCEF.exe	95
PID 1000 wrote to memory of 5080	1000	RdrCEF.exe	95
PID 1000 wrote to memory of 5080	1000	RdrCEF.exe	95
PID 1000 wrote to memory of 5080	1000	RdrCEF.exe	95
PID 1000 wrote to memory of 5080	1000	RdrCEF.exe	95
PID 1000 wrote to memory of 5080	1000	RdrCEF.exe	95
PID 1000 wrote to memory of 5080	1000	RdrCEF.exe	95
PID 1000 wrote to memory of 5080	1000	RdrCEF.exe	95
PID 1000 wrote to memory of 5080	1000	RdrCEF.exe	95
PID 1000 wrote to memory of 5080	1000	RdrCEF.exe	95
PID 1000 wrote to memory of 5080	1000	RdrCEF.exe	95
PID 1000 wrote to memory of 5080	1000	RdrCEF.exe	95
PID 1000 wrote to memory of 5080	1000	RdrCEF.exe	95
PID 1000 wrote to memory of 5080	1000	RdrCEF.exe	95
PID 1000 wrote to memory of 5080	1000	RdrCEF.exe	95
PID 1000 wrote to memory of 5080	1000	RdrCEF.exe	95
PID 1000 wrote to memory of 5080	1000	RdrCEF.exe	95
PID 1000 wrote to memory of 5080	1000	RdrCEF.exe	95
PID 1000 wrote to memory of 5080	1000	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\bc730a8cc0e9d7f035e86315304d42ab.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:1160
- 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:1000
- - 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=3DA343382FD5A14945C638FF3284F14D --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2760
- - 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=F87E1F9CC520091A0ED33CAD0A211660 --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=F87E1F9CC520091A0ED33CAD0A211660 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5080
- - 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=30FC9EF52A4EFC696C8D536C70FC88A6 --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=30FC9EF52A4EFC696C8D536C70FC88A6 --renderer-client-id=4 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3492
- - 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=A9237746FBC7BD91DDFEEFC637997D91 --mojo-platform-channel-handle=2456 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:976
- - 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=22228F3D03C35E74B4C9E5F983CE99A9 --mojo-platform-channel-handle=1860 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4596
- - 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=676A783B8297CC96A99A8D913A7EA7E2 --mojo-platform-channel-handle=2784 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1776

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2980

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
f3afb66638645ea3e69faaab0c94d645

SHA1
b1e99c4e3a84a4024090a1daab26b892cb85d8a0

SHA256
66cab3a19e49319c2b0788e0c46d0690286efd5e5383fa64f1d8f43f98f85619

SHA512
468e26525ffd26c402caabb7466896b8fef4e0d3db0c23b2ef5074947cdaed79e2a6850e6e8ec38d2ba3f398b310ef705e4dc696e4926c34d0c158bddd996d74

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/1160-27-0x000000000BC10000-0x000000000BC31000-memory.dmp

Filesize
132KB

Download