557e8ac6cc100de969294705bb28e382ab9ba4970a6c2fd43ecaf09b1efcd754

Analysis

max time kernel
148s
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, 18:17

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General

Target

bc7b0207241618e50ae90e73c4287410.pdf
Size

225KB
MD5

bc7b0207241618e50ae90e73c4287410
SHA1

fd130c89ccc1cf3741dec29e793fac154b7fa8e1
SHA256

557e8ac6cc100de969294705bb28e382ab9ba4970a6c2fd43ecaf09b1efcd754
SHA512

634d164007363e9e87005588cb17d132c41e476f690a96ce9b88eb5d915869ede75008cc7958f5eabd29adcd41668a1a52a87712449b14eb2258644704b5c09e
SSDEEP

3072:wqTIkVhcESbGdwAmonXbsmNeiujp1iBckFkkK+c6pD934Kw2J9Eywm2qRqm/LXeL:wUy5GdOOQwe3nMUkS4SvS52Gs

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-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1092	AcroRd32.exe
1092	AcroRd32.exe
1092	AcroRd32.exe
1092	AcroRd32.exe
1092	AcroRd32.exe
1092	AcroRd32.exe
1092	AcroRd32.exe
1092	AcroRd32.exe
1092	AcroRd32.exe
1092	AcroRd32.exe
1092	AcroRd32.exe
1092	AcroRd32.exe
1092	AcroRd32.exe
1092	AcroRd32.exe
1092	AcroRd32.exe
1092	AcroRd32.exe
1092	AcroRd32.exe
1092	AcroRd32.exe
1092	AcroRd32.exe
1092	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1092	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1092	AcroRd32.exe
1092	AcroRd32.exe
1092	AcroRd32.exe
1092	AcroRd32.exe
1092	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1092 wrote to memory of 2360	1092	AcroRd32.exe	94
PID 1092 wrote to memory of 2360	1092	AcroRd32.exe	94
PID 1092 wrote to memory of 2360	1092	AcroRd32.exe	94
PID 1092 wrote to memory of 2344	1092	AcroRd32.exe	100
PID 1092 wrote to memory of 2344	1092	AcroRd32.exe	100
PID 1092 wrote to memory of 2344	1092	AcroRd32.exe	100
PID 2360 wrote to memory of 2724	2360	RdrCEF.exe	101
PID 2360 wrote to memory of 2724	2360	RdrCEF.exe	101
PID 2360 wrote to memory of 2724	2360	RdrCEF.exe	101
PID 2360 wrote to memory of 2724	2360	RdrCEF.exe	101
PID 2360 wrote to memory of 2724	2360	RdrCEF.exe	101
PID 2360 wrote to memory of 2724	2360	RdrCEF.exe	101
PID 2360 wrote to memory of 2724	2360	RdrCEF.exe	101
PID 2360 wrote to memory of 2724	2360	RdrCEF.exe	101
PID 2360 wrote to memory of 2724	2360	RdrCEF.exe	101
PID 2360 wrote to memory of 2724	2360	RdrCEF.exe	101
PID 2360 wrote to memory of 2724	2360	RdrCEF.exe	101
PID 2360 wrote to memory of 2724	2360	RdrCEF.exe	101
PID 2360 wrote to memory of 2724	2360	RdrCEF.exe	101
PID 2360 wrote to memory of 2724	2360	RdrCEF.exe	101
PID 2360 wrote to memory of 2724	2360	RdrCEF.exe	101
PID 2360 wrote to memory of 2724	2360	RdrCEF.exe	101
PID 2360 wrote to memory of 2724	2360	RdrCEF.exe	101
PID 2360 wrote to memory of 2724	2360	RdrCEF.exe	101
PID 2360 wrote to memory of 2724	2360	RdrCEF.exe	101
PID 2360 wrote to memory of 2724	2360	RdrCEF.exe	101
PID 2360 wrote to memory of 2724	2360	RdrCEF.exe	101
PID 2360 wrote to memory of 2724	2360	RdrCEF.exe	101
PID 2360 wrote to memory of 2724	2360	RdrCEF.exe	101
PID 2360 wrote to memory of 2724	2360	RdrCEF.exe	101
PID 2360 wrote to memory of 2724	2360	RdrCEF.exe	101
PID 2360 wrote to memory of 2724	2360	RdrCEF.exe	101
PID 2360 wrote to memory of 2724	2360	RdrCEF.exe	101
PID 2360 wrote to memory of 2724	2360	RdrCEF.exe	101
PID 2360 wrote to memory of 2724	2360	RdrCEF.exe	101
PID 2360 wrote to memory of 2724	2360	RdrCEF.exe	101
PID 2360 wrote to memory of 2724	2360	RdrCEF.exe	101
PID 2360 wrote to memory of 2724	2360	RdrCEF.exe	101
PID 2360 wrote to memory of 2724	2360	RdrCEF.exe	101
PID 2360 wrote to memory of 2724	2360	RdrCEF.exe	101
PID 2360 wrote to memory of 2724	2360	RdrCEF.exe	101
PID 2360 wrote to memory of 2724	2360	RdrCEF.exe	101
PID 2360 wrote to memory of 2724	2360	RdrCEF.exe	101
PID 2360 wrote to memory of 2724	2360	RdrCEF.exe	101
PID 2360 wrote to memory of 2724	2360	RdrCEF.exe	101
PID 2360 wrote to memory of 2724	2360	RdrCEF.exe	101
PID 2360 wrote to memory of 2724	2360	RdrCEF.exe	101
PID 2360 wrote to memory of 3732	2360	RdrCEF.exe	102
PID 2360 wrote to memory of 3732	2360	RdrCEF.exe	102
PID 2360 wrote to memory of 3732	2360	RdrCEF.exe	102
PID 2360 wrote to memory of 3732	2360	RdrCEF.exe	102
PID 2360 wrote to memory of 3732	2360	RdrCEF.exe	102
PID 2360 wrote to memory of 3732	2360	RdrCEF.exe	102
PID 2360 wrote to memory of 3732	2360	RdrCEF.exe	102
PID 2360 wrote to memory of 3732	2360	RdrCEF.exe	102
PID 2360 wrote to memory of 3732	2360	RdrCEF.exe	102
PID 2360 wrote to memory of 3732	2360	RdrCEF.exe	102
PID 2360 wrote to memory of 3732	2360	RdrCEF.exe	102
PID 2360 wrote to memory of 3732	2360	RdrCEF.exe	102
PID 2360 wrote to memory of 3732	2360	RdrCEF.exe	102
PID 2360 wrote to memory of 3732	2360	RdrCEF.exe	102
PID 2360 wrote to memory of 3732	2360	RdrCEF.exe	102
PID 2360 wrote to memory of 3732	2360	RdrCEF.exe	102
PID 2360 wrote to memory of 3732	2360	RdrCEF.exe	102

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\bc7b0207241618e50ae90e73c4287410.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:1092
- 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:2360
- - 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=C2FEBF477A6EDE77524D77989C4F4565 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2724
- - 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=4F2171B743AD0E994D62DCFF8FBB324B --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=4F2171B743AD0E994D62DCFF8FBB324B --renderer-client-id=2 --mojo-platform-channel-handle=1776 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3732
- - 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=E9B3689951B9E453B7F0D059F40A8D59 --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=E9B3689951B9E453B7F0D059F40A8D59 --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3808
- - 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=C94E6429CCC2831ADD5A50EBFAC44E2F --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1480
- - 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=9E550AB9F9F2A5DFB388963E1520DC4F --mojo-platform-channel-handle=1960 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2988
- - 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=AE12765051E5F32CF8CEEC42313F71E0 --mojo-platform-channel-handle=2688 --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:2344

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5044

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
02bee6224e881189596ac3f87db5e470

SHA1
d5ecc832cf40b554371a74da174506beeef60e38

SHA256
940a4a1dcc90cef72f2f8868ca3db4231bf0f7c4de2066085dfa77b289d5a342

SHA512
78c11f74e06adf6d37283ec85dcf4507c47a5aa2921d66b03f711aed23abcddac18d7ab8a4a2d2750bd798f1d227fa1e994560fb500bef5e767e5da8e64b8284

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit
memory/1092-131-0x0000000009650000-0x00000000096A0000-memory.dmp

Filesize
320KB

Download