6b9dcec30054ce932459df154ae3ecbe20044d13cbea69440c36faa1da60457f

Analysis

max time kernel
141s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
04/02/2024, 10:35

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General

Target

8eee1bffe07fd13f19952a65d9ed0678.pdf
Size

92KB
MD5

8eee1bffe07fd13f19952a65d9ed0678
SHA1

a28cf84e9c6f90d84f16f176329f3fb125640b74
SHA256

6b9dcec30054ce932459df154ae3ecbe20044d13cbea69440c36faa1da60457f
SHA512

58e3133ff65e475237a799f53a73e374ec32cd4f1857eea7ce879d3d4fe7860bfeef7bf9fde4e7431a60865fc8bc4ab5c0a9aa438a18f0ba7d2208caf4657733
SSDEEP

1536:oHf5HumWRFmrU+0QdW5m+CWgDlgTFolTSuYGtfFZb/TRDDzpWSEByNWWpOxUWM11:Lm6X0WQ+ngDMuTtNB7RDDwHyaxDCga

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4444	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe
4444	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4444 wrote to memory of 4724	4444	AcroRd32.exe	87
PID 4444 wrote to memory of 4724	4444	AcroRd32.exe	87
PID 4444 wrote to memory of 4724	4444	AcroRd32.exe	87
PID 4724 wrote to memory of 4940	4724	RdrCEF.exe	88
PID 4724 wrote to memory of 4940	4724	RdrCEF.exe	88
PID 4724 wrote to memory of 4940	4724	RdrCEF.exe	88
PID 4724 wrote to memory of 4940	4724	RdrCEF.exe	88
PID 4724 wrote to memory of 4940	4724	RdrCEF.exe	88
PID 4724 wrote to memory of 4940	4724	RdrCEF.exe	88
PID 4724 wrote to memory of 4940	4724	RdrCEF.exe	88
PID 4724 wrote to memory of 4940	4724	RdrCEF.exe	88
PID 4724 wrote to memory of 4940	4724	RdrCEF.exe	88
PID 4724 wrote to memory of 4940	4724	RdrCEF.exe	88
PID 4724 wrote to memory of 4940	4724	RdrCEF.exe	88
PID 4724 wrote to memory of 4940	4724	RdrCEF.exe	88
PID 4724 wrote to memory of 4940	4724	RdrCEF.exe	88
PID 4724 wrote to memory of 4940	4724	RdrCEF.exe	88
PID 4724 wrote to memory of 4940	4724	RdrCEF.exe	88
PID 4724 wrote to memory of 4940	4724	RdrCEF.exe	88
PID 4724 wrote to memory of 4940	4724	RdrCEF.exe	88
PID 4724 wrote to memory of 4940	4724	RdrCEF.exe	88
PID 4724 wrote to memory of 4940	4724	RdrCEF.exe	88
PID 4724 wrote to memory of 4940	4724	RdrCEF.exe	88
PID 4724 wrote to memory of 4940	4724	RdrCEF.exe	88
PID 4724 wrote to memory of 4940	4724	RdrCEF.exe	88
PID 4724 wrote to memory of 4940	4724	RdrCEF.exe	88
PID 4724 wrote to memory of 4940	4724	RdrCEF.exe	88
PID 4724 wrote to memory of 4940	4724	RdrCEF.exe	88
PID 4724 wrote to memory of 4940	4724	RdrCEF.exe	88
PID 4724 wrote to memory of 4940	4724	RdrCEF.exe	88
PID 4724 wrote to memory of 4940	4724	RdrCEF.exe	88
PID 4724 wrote to memory of 4940	4724	RdrCEF.exe	88
PID 4724 wrote to memory of 4940	4724	RdrCEF.exe	88
PID 4724 wrote to memory of 4940	4724	RdrCEF.exe	88
PID 4724 wrote to memory of 4940	4724	RdrCEF.exe	88
PID 4724 wrote to memory of 4940	4724	RdrCEF.exe	88
PID 4724 wrote to memory of 4940	4724	RdrCEF.exe	88
PID 4724 wrote to memory of 4940	4724	RdrCEF.exe	88
PID 4724 wrote to memory of 4940	4724	RdrCEF.exe	88
PID 4724 wrote to memory of 4940	4724	RdrCEF.exe	88
PID 4724 wrote to memory of 4940	4724	RdrCEF.exe	88
PID 4724 wrote to memory of 4940	4724	RdrCEF.exe	88
PID 4724 wrote to memory of 4940	4724	RdrCEF.exe	88
PID 4724 wrote to memory of 4940	4724	RdrCEF.exe	88
PID 4724 wrote to memory of 684	4724	RdrCEF.exe	89
PID 4724 wrote to memory of 684	4724	RdrCEF.exe	89
PID 4724 wrote to memory of 684	4724	RdrCEF.exe	89
PID 4724 wrote to memory of 684	4724	RdrCEF.exe	89
PID 4724 wrote to memory of 684	4724	RdrCEF.exe	89
PID 4724 wrote to memory of 684	4724	RdrCEF.exe	89
PID 4724 wrote to memory of 684	4724	RdrCEF.exe	89
PID 4724 wrote to memory of 684	4724	RdrCEF.exe	89
PID 4724 wrote to memory of 684	4724	RdrCEF.exe	89
PID 4724 wrote to memory of 684	4724	RdrCEF.exe	89
PID 4724 wrote to memory of 684	4724	RdrCEF.exe	89
PID 4724 wrote to memory of 684	4724	RdrCEF.exe	89
PID 4724 wrote to memory of 684	4724	RdrCEF.exe	89
PID 4724 wrote to memory of 684	4724	RdrCEF.exe	89
PID 4724 wrote to memory of 684	4724	RdrCEF.exe	89
PID 4724 wrote to memory of 684	4724	RdrCEF.exe	89
PID 4724 wrote to memory of 684	4724	RdrCEF.exe	89
PID 4724 wrote to memory of 684	4724	RdrCEF.exe	89
PID 4724 wrote to memory of 684	4724	RdrCEF.exe	89
PID 4724 wrote to memory of 684	4724	RdrCEF.exe	89

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\8eee1bffe07fd13f19952a65d9ed0678.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:4444
- 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:4724
- - 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=75A88E6BE7F379D2DFA4E320E2B9FBCD --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4940
- - 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=3272E2E7D9E3EAEB841363A717AA4A40 --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=3272E2E7D9E3EAEB841363A717AA4A40 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:684
- - 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=717C819DE00DF292E0EB7972A97E26BD --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4552
- - 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=C7EFB7498C580B327C1B1196CF7AEA2F --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=C7EFB7498C580B327C1B1196CF7AEA2F --renderer-client-id=5 --mojo-platform-channel-handle=1972 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3432
- - 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=1CB9EBFA3168F3FA7ECF23A2BC967257 --mojo-platform-channel-handle=1976 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1328
- - 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=B07E85EAC035A52B624DA2F14BF0032F --mojo-platform-channel-handle=1988 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4000

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:380

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
1f04d608bb2e897a5aa629554faca2e9

SHA1
378ed5b75bd337e5d3f4618194c880464d9ba4c6

SHA256
59c470335418b4211b7bc847f572a07cf92a803081c9ccdbd895accfa4fd5f04

SHA512
5c01d729dff7073df235023dc33243ffeda7e0c2658e8a987b4b8c4f5f0ee5c38777946c5146feaa3ea3f37b68b2ef33abd9067a7e40e7adc68fdbba708b22d7

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
17KB

MD5
3648b70211b3e311647d7cc89df2ecd8

SHA1
8de6dca7dfc6652dc37f73750232137a1ca2e6ae

SHA256
ebb27431dee98e9c3c3d034dc5b4bd399375c28a7ed0d948c24175a34f930f89

SHA512
2fa37d005e79218cf1fa5e385dd57f60a601bb20a0e327bd7115b5d4367f83c20e4692dbc9aff9002cb93f45dbb92920df557421aff79eff6021c36b674c9d03

Download Submit