8fd1d9ab6c0715781cef67da0f15fe3839067931c43be2f7e933a87af679f917

Analysis

max time kernel
159s
max time network
163s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
13/01/2024, 00:08

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General

Target

57779d3f39f193eafac3a0b4950dfa2c.pdf
Size

82KB
MD5

57779d3f39f193eafac3a0b4950dfa2c
SHA1

054b7de630643923e63863cafd8f94035a6b3d43
SHA256

8fd1d9ab6c0715781cef67da0f15fe3839067931c43be2f7e933a87af679f917
SHA512

4b45e66a07faf414c6423e62d9eb0910bf6b6fb86be918705112936d0a709cf82663b25e4b1597bcd36e553a4cabfab7cd7d90c77fbf5c3a629ddc0f7cf19781
SSDEEP

1536:7oGThFwiuGo4bduJNk0ZewPHpILoSyvegGWOpOwrKWc48NKy1:EChr4JNk0RPJgl3g7wry5Nl

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4124	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4124 wrote to memory of 540	4124	AcroRd32.exe	95
PID 4124 wrote to memory of 540	4124	AcroRd32.exe	95
PID 4124 wrote to memory of 540	4124	AcroRd32.exe	95
PID 540 wrote to memory of 2412	540	RdrCEF.exe	96
PID 540 wrote to memory of 2412	540	RdrCEF.exe	96
PID 540 wrote to memory of 2412	540	RdrCEF.exe	96
PID 540 wrote to memory of 2412	540	RdrCEF.exe	96
PID 540 wrote to memory of 2412	540	RdrCEF.exe	96
PID 540 wrote to memory of 2412	540	RdrCEF.exe	96
PID 540 wrote to memory of 2412	540	RdrCEF.exe	96
PID 540 wrote to memory of 2412	540	RdrCEF.exe	96
PID 540 wrote to memory of 2412	540	RdrCEF.exe	96
PID 540 wrote to memory of 2412	540	RdrCEF.exe	96
PID 540 wrote to memory of 2412	540	RdrCEF.exe	96
PID 540 wrote to memory of 2412	540	RdrCEF.exe	96
PID 540 wrote to memory of 2412	540	RdrCEF.exe	96
PID 540 wrote to memory of 2412	540	RdrCEF.exe	96
PID 540 wrote to memory of 2412	540	RdrCEF.exe	96
PID 540 wrote to memory of 2412	540	RdrCEF.exe	96
PID 540 wrote to memory of 2412	540	RdrCEF.exe	96
PID 540 wrote to memory of 2412	540	RdrCEF.exe	96
PID 540 wrote to memory of 2412	540	RdrCEF.exe	96
PID 540 wrote to memory of 2412	540	RdrCEF.exe	96
PID 540 wrote to memory of 2412	540	RdrCEF.exe	96
PID 540 wrote to memory of 2412	540	RdrCEF.exe	96
PID 540 wrote to memory of 2412	540	RdrCEF.exe	96
PID 540 wrote to memory of 2412	540	RdrCEF.exe	96
PID 540 wrote to memory of 2412	540	RdrCEF.exe	96
PID 540 wrote to memory of 2412	540	RdrCEF.exe	96
PID 540 wrote to memory of 2412	540	RdrCEF.exe	96
PID 540 wrote to memory of 2412	540	RdrCEF.exe	96
PID 540 wrote to memory of 2412	540	RdrCEF.exe	96
PID 540 wrote to memory of 2412	540	RdrCEF.exe	96
PID 540 wrote to memory of 2412	540	RdrCEF.exe	96
PID 540 wrote to memory of 2412	540	RdrCEF.exe	96
PID 540 wrote to memory of 2412	540	RdrCEF.exe	96
PID 540 wrote to memory of 2412	540	RdrCEF.exe	96
PID 540 wrote to memory of 2412	540	RdrCEF.exe	96
PID 540 wrote to memory of 2412	540	RdrCEF.exe	96
PID 540 wrote to memory of 2412	540	RdrCEF.exe	96
PID 540 wrote to memory of 2412	540	RdrCEF.exe	96
PID 540 wrote to memory of 2412	540	RdrCEF.exe	96
PID 540 wrote to memory of 2412	540	RdrCEF.exe	96
PID 540 wrote to memory of 2412	540	RdrCEF.exe	96
PID 540 wrote to memory of 4372	540	RdrCEF.exe	97
PID 540 wrote to memory of 4372	540	RdrCEF.exe	97
PID 540 wrote to memory of 4372	540	RdrCEF.exe	97
PID 540 wrote to memory of 4372	540	RdrCEF.exe	97
PID 540 wrote to memory of 4372	540	RdrCEF.exe	97
PID 540 wrote to memory of 4372	540	RdrCEF.exe	97
PID 540 wrote to memory of 4372	540	RdrCEF.exe	97
PID 540 wrote to memory of 4372	540	RdrCEF.exe	97
PID 540 wrote to memory of 4372	540	RdrCEF.exe	97
PID 540 wrote to memory of 4372	540	RdrCEF.exe	97
PID 540 wrote to memory of 4372	540	RdrCEF.exe	97
PID 540 wrote to memory of 4372	540	RdrCEF.exe	97
PID 540 wrote to memory of 4372	540	RdrCEF.exe	97
PID 540 wrote to memory of 4372	540	RdrCEF.exe	97
PID 540 wrote to memory of 4372	540	RdrCEF.exe	97
PID 540 wrote to memory of 4372	540	RdrCEF.exe	97
PID 540 wrote to memory of 4372	540	RdrCEF.exe	97
PID 540 wrote to memory of 4372	540	RdrCEF.exe	97
PID 540 wrote to memory of 4372	540	RdrCEF.exe	97
PID 540 wrote to memory of 4372	540	RdrCEF.exe	97

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\57779d3f39f193eafac3a0b4950dfa2c.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:4124
- 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:540
- - 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=D24AB3D1C797036CAE7F00F278301DC9 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2412
- - 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=6A0DE8685F9A1AD87F082AA98E39D03B --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=6A0DE8685F9A1AD87F082AA98E39D03B --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4372
- - 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=46ED4CA18EB92937E8590B6670F247A3 --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=46ED4CA18EB92937E8590B6670F247A3 --renderer-client-id=4 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:676
- - 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=A10E01E18112BB092F59F06BFB2D0F44 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4472
- - 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=AB38056CE804A509BC26E10D1F0505AD --mojo-platform-channel-handle=2548 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1804
- - 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=11EC4948E520E0EBB7FC28646A89DF5A --mojo-platform-channel-handle=2480 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4496

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4128

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
0e7ac2789638524539f8983995333daa

SHA1
881438597ed75d1d5309c6230da981c18dbffd2b

SHA256
0ad3a72150d8c910ec58163de97fab6da69d18ed20c90e69eeda806ac414bd49

SHA512
9e4c6d3e3c772c654a65d6c445a03c8576cba47e8e3778de00a1e488ec6467f5cbe9dd0617ca708762ad352307905a26d5583eb4e75bf5e0f22a6a797b257ce9

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