e89f619285448b107ef8f3629b73e82bf495101ec7a58c2f5d3d2ee48d1a80f2

Resubmissions

23-10-2023 18:25

231023-w21gfaeb54 1

23-10-2023 18:00

231023-wlmkmsdg52 1

Analysis

max time kernel
142s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
23-10-2023 18:00

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General

Target

Y3ZV1CLR0QWQ32QRWXG2UTA.pdf
Size

42KB
MD5

8760fd429a2a789914c1ecb5cb23f9be
SHA1

a44051180eea89bcee761a8525cfca2869db98da
SHA256

e89f619285448b107ef8f3629b73e82bf495101ec7a58c2f5d3d2ee48d1a80f2
SHA512

24c607974e765f872c7dc24a7133cd0e70cedafb37572c20fea2ac79bc4f9c3c0422ac4ab6e35a5360d9280049fbd8f021e884e90d4e8f2d405da533ac3c999c
SSDEEP

768:yCP+3/0Ndkgs/c2jEDtpQDFYnWBfn7cZjonfm9RB3zrlzTd6IUOlj:V+P0NdFsDEDtpVWBfnaone9zzrq+j

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-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
912	AcroRd32.exe
912	AcroRd32.exe
912	AcroRd32.exe
912	AcroRd32.exe
912	AcroRd32.exe
912	AcroRd32.exe
912	AcroRd32.exe
912	AcroRd32.exe
912	AcroRd32.exe
912	AcroRd32.exe
912	AcroRd32.exe
912	AcroRd32.exe
912	AcroRd32.exe
912	AcroRd32.exe
912	AcroRd32.exe
912	AcroRd32.exe
912	AcroRd32.exe
912	AcroRd32.exe
912	AcroRd32.exe
912	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
912	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
912	AcroRd32.exe
912	AcroRd32.exe
912	AcroRd32.exe
912	AcroRd32.exe
912	AcroRd32.exe
912	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 912 wrote to memory of 624	912	AcroRd32.exe	91
PID 912 wrote to memory of 624	912	AcroRd32.exe	91
PID 912 wrote to memory of 624	912	AcroRd32.exe	91
PID 624 wrote to memory of 1720	624	RdrCEF.exe	92
PID 624 wrote to memory of 1720	624	RdrCEF.exe	92
PID 624 wrote to memory of 1720	624	RdrCEF.exe	92
PID 624 wrote to memory of 1720	624	RdrCEF.exe	92
PID 624 wrote to memory of 1720	624	RdrCEF.exe	92
PID 624 wrote to memory of 1720	624	RdrCEF.exe	92
PID 624 wrote to memory of 1720	624	RdrCEF.exe	92
PID 624 wrote to memory of 1720	624	RdrCEF.exe	92
PID 624 wrote to memory of 1720	624	RdrCEF.exe	92
PID 624 wrote to memory of 1720	624	RdrCEF.exe	92
PID 624 wrote to memory of 1720	624	RdrCEF.exe	92
PID 624 wrote to memory of 1720	624	RdrCEF.exe	92
PID 624 wrote to memory of 1720	624	RdrCEF.exe	92
PID 624 wrote to memory of 1720	624	RdrCEF.exe	92
PID 624 wrote to memory of 1720	624	RdrCEF.exe	92
PID 624 wrote to memory of 1720	624	RdrCEF.exe	92
PID 624 wrote to memory of 1720	624	RdrCEF.exe	92
PID 624 wrote to memory of 1720	624	RdrCEF.exe	92
PID 624 wrote to memory of 1720	624	RdrCEF.exe	92
PID 624 wrote to memory of 1720	624	RdrCEF.exe	92
PID 624 wrote to memory of 1720	624	RdrCEF.exe	92
PID 624 wrote to memory of 1720	624	RdrCEF.exe	92
PID 624 wrote to memory of 1720	624	RdrCEF.exe	92
PID 624 wrote to memory of 1720	624	RdrCEF.exe	92
PID 624 wrote to memory of 1720	624	RdrCEF.exe	92
PID 624 wrote to memory of 1720	624	RdrCEF.exe	92
PID 624 wrote to memory of 1720	624	RdrCEF.exe	92
PID 624 wrote to memory of 1720	624	RdrCEF.exe	92
PID 624 wrote to memory of 1720	624	RdrCEF.exe	92
PID 624 wrote to memory of 1720	624	RdrCEF.exe	92
PID 624 wrote to memory of 1720	624	RdrCEF.exe	92
PID 624 wrote to memory of 1720	624	RdrCEF.exe	92
PID 624 wrote to memory of 1720	624	RdrCEF.exe	92
PID 624 wrote to memory of 1720	624	RdrCEF.exe	92
PID 624 wrote to memory of 1720	624	RdrCEF.exe	92
PID 624 wrote to memory of 1720	624	RdrCEF.exe	92
PID 624 wrote to memory of 1720	624	RdrCEF.exe	92
PID 624 wrote to memory of 1720	624	RdrCEF.exe	92
PID 624 wrote to memory of 1720	624	RdrCEF.exe	92
PID 624 wrote to memory of 1720	624	RdrCEF.exe	92
PID 624 wrote to memory of 1720	624	RdrCEF.exe	92
PID 624 wrote to memory of 4172	624	RdrCEF.exe	93
PID 624 wrote to memory of 4172	624	RdrCEF.exe	93
PID 624 wrote to memory of 4172	624	RdrCEF.exe	93
PID 624 wrote to memory of 4172	624	RdrCEF.exe	93
PID 624 wrote to memory of 4172	624	RdrCEF.exe	93
PID 624 wrote to memory of 4172	624	RdrCEF.exe	93
PID 624 wrote to memory of 4172	624	RdrCEF.exe	93
PID 624 wrote to memory of 4172	624	RdrCEF.exe	93
PID 624 wrote to memory of 4172	624	RdrCEF.exe	93
PID 624 wrote to memory of 4172	624	RdrCEF.exe	93
PID 624 wrote to memory of 4172	624	RdrCEF.exe	93
PID 624 wrote to memory of 4172	624	RdrCEF.exe	93
PID 624 wrote to memory of 4172	624	RdrCEF.exe	93
PID 624 wrote to memory of 4172	624	RdrCEF.exe	93
PID 624 wrote to memory of 4172	624	RdrCEF.exe	93
PID 624 wrote to memory of 4172	624	RdrCEF.exe	93
PID 624 wrote to memory of 4172	624	RdrCEF.exe	93
PID 624 wrote to memory of 4172	624	RdrCEF.exe	93
PID 624 wrote to memory of 4172	624	RdrCEF.exe	93
PID 624 wrote to memory of 4172	624	RdrCEF.exe	93

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\Y3ZV1CLR0QWQ32QRWXG2UTA.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: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" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:624
- - 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=9E68E97F6A15B280A7C5B37A006931E2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1720
- - 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=A08291408528D71925A453BB5F7271A8 --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=A08291408528D71925A453BB5F7271A8 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4172
- - 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=44C74DC545C3265E3661F2DA019E7B49 --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=44C74DC545C3265E3661F2DA019E7B49 --renderer-client-id=4 --mojo-platform-channel-handle=2184 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1252
- - 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=E98D472052541DD5ACD0042AF7604F8E --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3448
- - 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=A811A66A5BF6DF1F2B5B33218C762A29 --mojo-platform-channel-handle=1804 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1664
- - 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=999D84C4D180D629DD5A6633BF50F7B3 --mojo-platform-channel-handle=2480 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:760

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4384

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
90a898074552576d37050829a14b60f4

SHA1
f9b91f19d29d71069a65227060253088d95f41f6

SHA256
21953aa4400ce95f541bce30d657be1b676a7d3ce9e57c9efc014b966a2bc0bb

SHA512
a1a7588d98e42d5f0b85810b832e8b848cb259cfc10223fec83ed272e8a6c70c13dda126e19fe4e645eced66afeba787c4885c950f9e04c5617654669b9518f8

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/912-134-0x000000000A9B0000-0x000000000AC5B000-memory.dmp

Filesize
2.7MB

Download