a22c2da9fb628cd5130647218716833b6db929ae39b74bb8712b358ad8eb248e

Analysis

max time kernel
144s
max time network
188s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 04:18

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General

Target

0e317e42b134a877db8ed51d7298a203.pdf
Size

138KB
MD5

0e317e42b134a877db8ed51d7298a203
SHA1

229b77a885adbea59eb1b7b4cf85fd6b688c774b
SHA256

a22c2da9fb628cd5130647218716833b6db929ae39b74bb8712b358ad8eb248e
SHA512

ee67daa30767b6082a091e8e609b706e0dbdbeb1066b1194a0703e679d09c20f0c32d71159814e8a24998f10588e6be6aa215541e6b9385c09004a75d6d786f2
SSDEEP

3072:BeIATFmd9o9dYehvqJvDM+NCE4fjmWNr2qKUJ09fPGgbFUUVGYnPsmn:BezmQYehvUo4G3rOUCP7bFU4V

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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1824	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe
1824	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1824 wrote to memory of 4916	1824	AcroRd32.exe	92
PID 1824 wrote to memory of 4916	1824	AcroRd32.exe	92
PID 1824 wrote to memory of 4916	1824	AcroRd32.exe	92
PID 1824 wrote to memory of 2500	1824	AcroRd32.exe	93
PID 1824 wrote to memory of 2500	1824	AcroRd32.exe	93
PID 1824 wrote to memory of 2500	1824	AcroRd32.exe	93
PID 4916 wrote to memory of 3360	4916	RdrCEF.exe	97
PID 4916 wrote to memory of 3360	4916	RdrCEF.exe	97
PID 4916 wrote to memory of 3360	4916	RdrCEF.exe	97
PID 4916 wrote to memory of 3360	4916	RdrCEF.exe	97
PID 4916 wrote to memory of 3360	4916	RdrCEF.exe	97
PID 4916 wrote to memory of 3360	4916	RdrCEF.exe	97
PID 4916 wrote to memory of 3360	4916	RdrCEF.exe	97
PID 4916 wrote to memory of 3360	4916	RdrCEF.exe	97
PID 4916 wrote to memory of 3360	4916	RdrCEF.exe	97
PID 4916 wrote to memory of 3360	4916	RdrCEF.exe	97
PID 4916 wrote to memory of 3360	4916	RdrCEF.exe	97
PID 4916 wrote to memory of 3360	4916	RdrCEF.exe	97
PID 4916 wrote to memory of 3360	4916	RdrCEF.exe	97
PID 4916 wrote to memory of 3360	4916	RdrCEF.exe	97
PID 4916 wrote to memory of 3360	4916	RdrCEF.exe	97
PID 4916 wrote to memory of 3360	4916	RdrCEF.exe	97
PID 4916 wrote to memory of 3360	4916	RdrCEF.exe	97
PID 4916 wrote to memory of 3360	4916	RdrCEF.exe	97
PID 4916 wrote to memory of 3360	4916	RdrCEF.exe	97
PID 4916 wrote to memory of 3360	4916	RdrCEF.exe	97
PID 4916 wrote to memory of 3360	4916	RdrCEF.exe	97
PID 4916 wrote to memory of 3360	4916	RdrCEF.exe	97
PID 4916 wrote to memory of 3360	4916	RdrCEF.exe	97
PID 4916 wrote to memory of 3360	4916	RdrCEF.exe	97
PID 4916 wrote to memory of 3360	4916	RdrCEF.exe	97
PID 4916 wrote to memory of 3360	4916	RdrCEF.exe	97
PID 4916 wrote to memory of 3360	4916	RdrCEF.exe	97
PID 4916 wrote to memory of 3360	4916	RdrCEF.exe	97
PID 4916 wrote to memory of 3360	4916	RdrCEF.exe	97
PID 4916 wrote to memory of 3360	4916	RdrCEF.exe	97
PID 4916 wrote to memory of 3360	4916	RdrCEF.exe	97
PID 4916 wrote to memory of 3360	4916	RdrCEF.exe	97
PID 4916 wrote to memory of 3360	4916	RdrCEF.exe	97
PID 4916 wrote to memory of 3360	4916	RdrCEF.exe	97
PID 4916 wrote to memory of 3360	4916	RdrCEF.exe	97
PID 4916 wrote to memory of 3360	4916	RdrCEF.exe	97
PID 4916 wrote to memory of 3360	4916	RdrCEF.exe	97
PID 4916 wrote to memory of 3360	4916	RdrCEF.exe	97
PID 4916 wrote to memory of 3360	4916	RdrCEF.exe	97
PID 4916 wrote to memory of 3360	4916	RdrCEF.exe	97
PID 4916 wrote to memory of 3360	4916	RdrCEF.exe	97
PID 4916 wrote to memory of 2452	4916	RdrCEF.exe	96
PID 4916 wrote to memory of 2452	4916	RdrCEF.exe	96
PID 4916 wrote to memory of 2452	4916	RdrCEF.exe	96
PID 4916 wrote to memory of 2452	4916	RdrCEF.exe	96
PID 4916 wrote to memory of 2452	4916	RdrCEF.exe	96
PID 4916 wrote to memory of 2452	4916	RdrCEF.exe	96
PID 4916 wrote to memory of 2452	4916	RdrCEF.exe	96
PID 4916 wrote to memory of 2452	4916	RdrCEF.exe	96
PID 4916 wrote to memory of 2452	4916	RdrCEF.exe	96
PID 4916 wrote to memory of 2452	4916	RdrCEF.exe	96
PID 4916 wrote to memory of 2452	4916	RdrCEF.exe	96
PID 4916 wrote to memory of 2452	4916	RdrCEF.exe	96
PID 4916 wrote to memory of 2452	4916	RdrCEF.exe	96
PID 4916 wrote to memory of 2452	4916	RdrCEF.exe	96
PID 4916 wrote to memory of 2452	4916	RdrCEF.exe	96
PID 4916 wrote to memory of 2452	4916	RdrCEF.exe	96
PID 4916 wrote to memory of 2452	4916	RdrCEF.exe	96

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\0e317e42b134a877db8ed51d7298a203.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:1824
- 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:4916
- - 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=1BD50E730892EB34A9F598160E9BB0B4 --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=1BD50E730892EB34A9F598160E9BB0B4 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2452
- - 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=9FB29BF8242EBA3DD86C65C14AEEAB41 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3360
- - 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=6A3490D013F1B56989FC53A0A43A4FA1 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4592
- - 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=AF335C10945BBBEEE00771DE295B1AB9 --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=AF335C10945BBBEEE00771DE295B1AB9 --renderer-client-id=6 --mojo-platform-channel-handle=1860 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1296
- - 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=023B580CD8F3186893E8AF5E4368BF83 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:116
- - 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=8B3041257340818F692B40E3CCA4057B --mojo-platform-channel-handle=2456 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4396
- 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⤵
  PID:2500

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2524

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
693405a745f11ed0af41471c97c6b736

SHA1
afa790a344266c950684ed017ea561689b765318

SHA256
26bd1590b12467bf347cd8abc0307957cd3f14444c76e54abd225aff994ef80f

SHA512
d805e309c224d303a608fb1ff2e377cd4ec4b056eedce26e2fa099c2e1da6e92b4c65ae9f3466f23224465d7ab88d0d5667529110bf833a9261bc6d9c12e14bb

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