45bacb0eb2f8905d4d50b81160d7f9818455e7c5bb4e671e97f16d522740a2c2

Analysis

max time kernel
148s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
19/03/2024, 06:25

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General

Target

d56c6778f6a8755d963b2620737cb72f.pdf
Size

103KB
MD5

d56c6778f6a8755d963b2620737cb72f
SHA1

c9995059ef2a6a3a4c88bac02d6c80545ae1083a
SHA256

45bacb0eb2f8905d4d50b81160d7f9818455e7c5bb4e671e97f16d522740a2c2
SHA512

4e1738a87bf3d003a9bc74db118e6ecba52650e2a7a571d013852ef51c9995e4853e86325cbc7f639802e369e0e3d54bd0bd22765b08dc05d03a0db54ae7b598
SSDEEP

3072:Snl8uqaujn21aeiCdEf9kXSJHKDbG/GbxkLw+DhD7tn:Sn2LaC21aeilkXSJgN7+xh

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-1-5-21-2727153400-192325109-1870347593-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2352	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2352 wrote to memory of 4920	2352	AcroRd32.exe	92
PID 2352 wrote to memory of 4920	2352	AcroRd32.exe	92
PID 2352 wrote to memory of 4920	2352	AcroRd32.exe	92
PID 4920 wrote to memory of 1468	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 1468	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 1468	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 1468	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 1468	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 1468	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 1468	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 1468	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 1468	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 1468	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 1468	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 1468	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 1468	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 1468	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 1468	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 1468	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 1468	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 1468	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 1468	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 1468	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 1468	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 1468	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 1468	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 1468	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 1468	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 1468	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 1468	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 1468	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 1468	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 1468	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 1468	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 1468	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 1468	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 1468	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 1468	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 1468	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 1468	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 1468	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 1468	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 1468	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 1468	4920	RdrCEF.exe	93
PID 4920 wrote to memory of 1928	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 1928	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 1928	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 1928	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 1928	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 1928	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 1928	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 1928	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 1928	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 1928	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 1928	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 1928	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 1928	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 1928	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 1928	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 1928	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 1928	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 1928	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 1928	4920	RdrCEF.exe	94
PID 4920 wrote to memory of 1928	4920	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\d56c6778f6a8755d963b2620737cb72f.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:2352
- 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:4920
- - 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=44E8EDDA48977BD6577D6FBA36F08274 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1468
- - 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=0180734B2240A23E832F8D053A234040 --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=0180734B2240A23E832F8D053A234040 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1928
- - 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=5F3F5697C77731CFFC23C069F4F9DFA4 --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=5F3F5697C77731CFFC23C069F4F9DFA4 --renderer-client-id=4 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3772
- - 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=7D374051EDCD780AB8C35646CA01D986 --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2624
- - 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=57BD74435A2D4CACF8D7DFA03A15654C --mojo-platform-channel-handle=2664 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3584
- - 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=64B7CE2F1B2E5178299961D42849B811 --mojo-platform-channel-handle=2512 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4808

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4472

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
ad3f3e69c6c5964e15280a7d2dcdb960

SHA1
0a4657c2d75be19bdd71668daae7a051aa199a35

SHA256
663a1e90a95f2825d6f103777883b148271d4aacdf74765d84036d8ea78d1480

SHA512
37cd8f65e7ed8299421611994d0bc1e54c0174d9e4147d440590d8658a6b96ae3b2bbdd25a69b7f4f8a0971ecc4da48687798ce7b6940b0a4835c1bbf4b5b4b9

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