b7c62422eeb2a2d4a9dcd6f604baad8e772f107d5d87fa13cbe644e24fb40919

Analysis

max time kernel
142s
max time network
153s
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 01:30

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General

Target

0a1f1eeb5e317aa16d18afd3c4c98a28.pdf
Size

32KB
MD5

0a1f1eeb5e317aa16d18afd3c4c98a28
SHA1

a7546625e1c673312a2a31a0daa8710b89523cb9
SHA256

b7c62422eeb2a2d4a9dcd6f604baad8e772f107d5d87fa13cbe644e24fb40919
SHA512

80a987c96e4cc0e488d0923c41ccef5e1c121895149cf089a35b102c02eecba6a147f5e1f1da2bdc52f789fdb08578d7001554a744e51eca3163d7e0791e0dd6
SSDEEP

768:CKlmcMRR2gsfiKGJJy/9Sp/Kuci9I3Wf+Vn16f343O/B4TQc:zMLmx0yuVpw6g34BWQc

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4800	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe
4800	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4800 wrote to memory of 3396	4800	AcroRd32.exe	92
PID 4800 wrote to memory of 3396	4800	AcroRd32.exe	92
PID 4800 wrote to memory of 3396	4800	AcroRd32.exe	92
PID 3396 wrote to memory of 2248	3396	RdrCEF.exe	93
PID 3396 wrote to memory of 2248	3396	RdrCEF.exe	93
PID 3396 wrote to memory of 2248	3396	RdrCEF.exe	93
PID 3396 wrote to memory of 2248	3396	RdrCEF.exe	93
PID 3396 wrote to memory of 2248	3396	RdrCEF.exe	93
PID 3396 wrote to memory of 2248	3396	RdrCEF.exe	93
PID 3396 wrote to memory of 2248	3396	RdrCEF.exe	93
PID 3396 wrote to memory of 2248	3396	RdrCEF.exe	93
PID 3396 wrote to memory of 2248	3396	RdrCEF.exe	93
PID 3396 wrote to memory of 2248	3396	RdrCEF.exe	93
PID 3396 wrote to memory of 2248	3396	RdrCEF.exe	93
PID 3396 wrote to memory of 2248	3396	RdrCEF.exe	93
PID 3396 wrote to memory of 2248	3396	RdrCEF.exe	93
PID 3396 wrote to memory of 2248	3396	RdrCEF.exe	93
PID 3396 wrote to memory of 2248	3396	RdrCEF.exe	93
PID 3396 wrote to memory of 2248	3396	RdrCEF.exe	93
PID 3396 wrote to memory of 2248	3396	RdrCEF.exe	93
PID 3396 wrote to memory of 2248	3396	RdrCEF.exe	93
PID 3396 wrote to memory of 2248	3396	RdrCEF.exe	93
PID 3396 wrote to memory of 2248	3396	RdrCEF.exe	93
PID 3396 wrote to memory of 2248	3396	RdrCEF.exe	93
PID 3396 wrote to memory of 2248	3396	RdrCEF.exe	93
PID 3396 wrote to memory of 2248	3396	RdrCEF.exe	93
PID 3396 wrote to memory of 2248	3396	RdrCEF.exe	93
PID 3396 wrote to memory of 2248	3396	RdrCEF.exe	93
PID 3396 wrote to memory of 2248	3396	RdrCEF.exe	93
PID 3396 wrote to memory of 2248	3396	RdrCEF.exe	93
PID 3396 wrote to memory of 2248	3396	RdrCEF.exe	93
PID 3396 wrote to memory of 2248	3396	RdrCEF.exe	93
PID 3396 wrote to memory of 2248	3396	RdrCEF.exe	93
PID 3396 wrote to memory of 2248	3396	RdrCEF.exe	93
PID 3396 wrote to memory of 2248	3396	RdrCEF.exe	93
PID 3396 wrote to memory of 2248	3396	RdrCEF.exe	93
PID 3396 wrote to memory of 2248	3396	RdrCEF.exe	93
PID 3396 wrote to memory of 2248	3396	RdrCEF.exe	93
PID 3396 wrote to memory of 2248	3396	RdrCEF.exe	93
PID 3396 wrote to memory of 2248	3396	RdrCEF.exe	93
PID 3396 wrote to memory of 2248	3396	RdrCEF.exe	93
PID 3396 wrote to memory of 2248	3396	RdrCEF.exe	93
PID 3396 wrote to memory of 2248	3396	RdrCEF.exe	93
PID 3396 wrote to memory of 2248	3396	RdrCEF.exe	93
PID 3396 wrote to memory of 1540	3396	RdrCEF.exe	94
PID 3396 wrote to memory of 1540	3396	RdrCEF.exe	94
PID 3396 wrote to memory of 1540	3396	RdrCEF.exe	94
PID 3396 wrote to memory of 1540	3396	RdrCEF.exe	94
PID 3396 wrote to memory of 1540	3396	RdrCEF.exe	94
PID 3396 wrote to memory of 1540	3396	RdrCEF.exe	94
PID 3396 wrote to memory of 1540	3396	RdrCEF.exe	94
PID 3396 wrote to memory of 1540	3396	RdrCEF.exe	94
PID 3396 wrote to memory of 1540	3396	RdrCEF.exe	94
PID 3396 wrote to memory of 1540	3396	RdrCEF.exe	94
PID 3396 wrote to memory of 1540	3396	RdrCEF.exe	94
PID 3396 wrote to memory of 1540	3396	RdrCEF.exe	94
PID 3396 wrote to memory of 1540	3396	RdrCEF.exe	94
PID 3396 wrote to memory of 1540	3396	RdrCEF.exe	94
PID 3396 wrote to memory of 1540	3396	RdrCEF.exe	94
PID 3396 wrote to memory of 1540	3396	RdrCEF.exe	94
PID 3396 wrote to memory of 1540	3396	RdrCEF.exe	94
PID 3396 wrote to memory of 1540	3396	RdrCEF.exe	94
PID 3396 wrote to memory of 1540	3396	RdrCEF.exe	94
PID 3396 wrote to memory of 1540	3396	RdrCEF.exe	94

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\0a1f1eeb5e317aa16d18afd3c4c98a28.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:4800
- 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:3396
- - 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=E48B814AE35B115886CE2652A12519B7 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2248
- - 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=43AB961C5AC5E923BC6A2B1778C227C3 --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=43AB961C5AC5E923BC6A2B1778C227C3 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1540
- - 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=E123258898D01E6522493D3B3B875A3F --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1168
- - 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=5F454DC906AE3699A0112EEE936E7E1F --mojo-platform-channel-handle=2344 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2772
- - 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=4EECC11FC32C27E70F4872E48387268B --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=4EECC11FC32C27E70F4872E48387268B --renderer-client-id=6 --mojo-platform-channel-handle=2152 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4964
- - 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=659DE528B91C4E9D8780BD9BEB39B077 --mojo-platform-channel-handle=2696 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3136

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2032

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
dde693bf3350ccf2db4febc005070186

SHA1
1a5a8831fa47495f15f2f2b69532f72ef203f11d

SHA256
5539c52397326c26bc4203d89d81bb2c54cf60e8418e87681695e2a113b81c81

SHA512
3e338efc86b52f1b6d3a189d9d2571493fa3f1a44d83f08f07721374b4a29bed5293aef5517886dc8929e76b477f65ccdbbb08a49a8b8ba8e80b0e5977498819

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/4800-27-0x000000000A730000-0x000000000A751000-memory.dmp

Filesize
132KB

Download