0bac2731e27e65bb20101294944d6d8dbac868d49e85877067ec7aabd71f9e7b

Analysis

max time kernel
141s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
25-01-2024 19:23

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General

Target

754fb310e14f695ed4fec46526f5056e.pdf
Size

48KB
MD5

754fb310e14f695ed4fec46526f5056e
SHA1

6d472cd2434e95dc8e25332ce4aaaa211c9f6720
SHA256

0bac2731e27e65bb20101294944d6d8dbac868d49e85877067ec7aabd71f9e7b
SHA512

f884b84c3236bbcc4f777358cb22d1f93fd69a4cc2e2a58da1da4ffb5ee8ce60dfe1df5c1171bcf86e43dde97e669bd7dafd8aebe33662f86febfdf222c96bb0
SSDEEP

1536:JAUt3st57Gf3jdi0Jd44UaXPKebnEz1xU:JR8tlGf3jswlUmyebETU

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1312	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1312 wrote to memory of 1852	1312	AcroRd32.exe	94
PID 1312 wrote to memory of 1852	1312	AcroRd32.exe	94
PID 1312 wrote to memory of 1852	1312	AcroRd32.exe	94
PID 1852 wrote to memory of 1500	1852	RdrCEF.exe	95
PID 1852 wrote to memory of 1500	1852	RdrCEF.exe	95
PID 1852 wrote to memory of 1500	1852	RdrCEF.exe	95
PID 1852 wrote to memory of 1500	1852	RdrCEF.exe	95
PID 1852 wrote to memory of 1500	1852	RdrCEF.exe	95
PID 1852 wrote to memory of 1500	1852	RdrCEF.exe	95
PID 1852 wrote to memory of 1500	1852	RdrCEF.exe	95
PID 1852 wrote to memory of 1500	1852	RdrCEF.exe	95
PID 1852 wrote to memory of 1500	1852	RdrCEF.exe	95
PID 1852 wrote to memory of 1500	1852	RdrCEF.exe	95
PID 1852 wrote to memory of 1500	1852	RdrCEF.exe	95
PID 1852 wrote to memory of 1500	1852	RdrCEF.exe	95
PID 1852 wrote to memory of 1500	1852	RdrCEF.exe	95
PID 1852 wrote to memory of 1500	1852	RdrCEF.exe	95
PID 1852 wrote to memory of 1500	1852	RdrCEF.exe	95
PID 1852 wrote to memory of 1500	1852	RdrCEF.exe	95
PID 1852 wrote to memory of 1500	1852	RdrCEF.exe	95
PID 1852 wrote to memory of 1500	1852	RdrCEF.exe	95
PID 1852 wrote to memory of 1500	1852	RdrCEF.exe	95
PID 1852 wrote to memory of 1500	1852	RdrCEF.exe	95
PID 1852 wrote to memory of 1500	1852	RdrCEF.exe	95
PID 1852 wrote to memory of 1500	1852	RdrCEF.exe	95
PID 1852 wrote to memory of 1500	1852	RdrCEF.exe	95
PID 1852 wrote to memory of 1500	1852	RdrCEF.exe	95
PID 1852 wrote to memory of 1500	1852	RdrCEF.exe	95
PID 1852 wrote to memory of 1500	1852	RdrCEF.exe	95
PID 1852 wrote to memory of 1500	1852	RdrCEF.exe	95
PID 1852 wrote to memory of 1500	1852	RdrCEF.exe	95
PID 1852 wrote to memory of 1500	1852	RdrCEF.exe	95
PID 1852 wrote to memory of 1500	1852	RdrCEF.exe	95
PID 1852 wrote to memory of 1500	1852	RdrCEF.exe	95
PID 1852 wrote to memory of 1500	1852	RdrCEF.exe	95
PID 1852 wrote to memory of 1500	1852	RdrCEF.exe	95
PID 1852 wrote to memory of 1500	1852	RdrCEF.exe	95
PID 1852 wrote to memory of 1500	1852	RdrCEF.exe	95
PID 1852 wrote to memory of 1500	1852	RdrCEF.exe	95
PID 1852 wrote to memory of 1500	1852	RdrCEF.exe	95
PID 1852 wrote to memory of 1500	1852	RdrCEF.exe	95
PID 1852 wrote to memory of 1500	1852	RdrCEF.exe	95
PID 1852 wrote to memory of 1500	1852	RdrCEF.exe	95
PID 1852 wrote to memory of 1500	1852	RdrCEF.exe	95
PID 1852 wrote to memory of 4388	1852	RdrCEF.exe	96
PID 1852 wrote to memory of 4388	1852	RdrCEF.exe	96
PID 1852 wrote to memory of 4388	1852	RdrCEF.exe	96
PID 1852 wrote to memory of 4388	1852	RdrCEF.exe	96
PID 1852 wrote to memory of 4388	1852	RdrCEF.exe	96
PID 1852 wrote to memory of 4388	1852	RdrCEF.exe	96
PID 1852 wrote to memory of 4388	1852	RdrCEF.exe	96
PID 1852 wrote to memory of 4388	1852	RdrCEF.exe	96
PID 1852 wrote to memory of 4388	1852	RdrCEF.exe	96
PID 1852 wrote to memory of 4388	1852	RdrCEF.exe	96
PID 1852 wrote to memory of 4388	1852	RdrCEF.exe	96
PID 1852 wrote to memory of 4388	1852	RdrCEF.exe	96
PID 1852 wrote to memory of 4388	1852	RdrCEF.exe	96
PID 1852 wrote to memory of 4388	1852	RdrCEF.exe	96
PID 1852 wrote to memory of 4388	1852	RdrCEF.exe	96
PID 1852 wrote to memory of 4388	1852	RdrCEF.exe	96
PID 1852 wrote to memory of 4388	1852	RdrCEF.exe	96
PID 1852 wrote to memory of 4388	1852	RdrCEF.exe	96
PID 1852 wrote to memory of 4388	1852	RdrCEF.exe	96
PID 1852 wrote to memory of 4388	1852	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\754fb310e14f695ed4fec46526f5056e.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:1312
- 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:1852
- - 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=83CB7579317E4709C59BCAB973EE1E16 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1500
- - 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=878283FC9917B0649C6E91193D05BEAC --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=878283FC9917B0649C6E91193D05BEAC --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4388
- - 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=8A7A8E3F2BFEBD55181F7C316CD23553 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4680
- - 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=E99FF39FEAB5E6C9B07BFC85C975B89B --mojo-platform-channel-handle=1936 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4584
- - 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=DA3A68C243C6D87F8968FF7BD3180CD8 --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=DA3A68C243C6D87F8968FF7BD3180CD8 --renderer-client-id=6 --mojo-platform-channel-handle=2408 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3160
- - 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=97ACDEFD9E4C971DA84EA13732975A0E --mojo-platform-channel-handle=2676 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:952

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4916

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
6877c6c14702ccdd883cb04fbb96e07d

SHA1
42cdc9b013c7551d8b2b4fd123a4d6d7a53f835c

SHA256
46a146c07fc7f438c1a71a487ba25494af8faced0235a0dff2b2c99db62bab5c

SHA512
4b0b3189568d604b0cfd54683d6af8797c1894e8a2482e1ebec076082f84ea50b6085fb7b5926b09a85f7fd51ef439cfa421c509747135442c7d403a2d49fdef

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/1312-26-0x000000000A840000-0x000000000A890000-memory.dmp

Filesize
320KB

Download