6e31608c4d995352d7c571d8fc25c87fb3e0abed27583cd14d35cd4accec96d7

Analysis

max time kernel
66s
max time network
72s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
03/11/2023, 19:27

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General

Target

DOC110323.pdf
Size

7KB
MD5

cea761e3730e55d1a7a4aa91c99cc260
SHA1

5f92caed3dc7e58d2536d9159dcf218f52ce4355
SHA256

6e31608c4d995352d7c571d8fc25c87fb3e0abed27583cd14d35cd4accec96d7
SHA512

7a482510baa8de9aac82114e363fd317875a6cb741436880edb440d341f24810799bd2413c7972c4bb698c2b1d7b222e6f16648df31bbc3f7568f97a07a9ec61
SSDEEP

192:QOxDG57vrEQZaw5k2Rc9Hin8qc67yFU6TT5GR:evrEYaw5FRc9C8qcY

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-1-5-21-1873812795-1433807462-1429862679-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2420	AcroRd32.exe
2420	AcroRd32.exe
2420	AcroRd32.exe
2420	AcroRd32.exe
2420	AcroRd32.exe
2420	AcroRd32.exe
2420	AcroRd32.exe
2420	AcroRd32.exe
2420	AcroRd32.exe
2420	AcroRd32.exe
2420	AcroRd32.exe
2420	AcroRd32.exe
2420	AcroRd32.exe
2420	AcroRd32.exe
2420	AcroRd32.exe
2420	AcroRd32.exe
2420	AcroRd32.exe
2420	AcroRd32.exe
2420	AcroRd32.exe
2420	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2420	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2420	AcroRd32.exe
2420	AcroRd32.exe
2420	AcroRd32.exe
2420	AcroRd32.exe
2420	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2420 wrote to memory of 4364	2420	AcroRd32.exe	97
PID 2420 wrote to memory of 4364	2420	AcroRd32.exe	97
PID 2420 wrote to memory of 4364	2420	AcroRd32.exe	97
PID 4364 wrote to memory of 1700	4364	RdrCEF.exe	99
PID 4364 wrote to memory of 1700	4364	RdrCEF.exe	99
PID 4364 wrote to memory of 1700	4364	RdrCEF.exe	99
PID 4364 wrote to memory of 1700	4364	RdrCEF.exe	99
PID 4364 wrote to memory of 1700	4364	RdrCEF.exe	99
PID 4364 wrote to memory of 1700	4364	RdrCEF.exe	99
PID 4364 wrote to memory of 1700	4364	RdrCEF.exe	99
PID 4364 wrote to memory of 1700	4364	RdrCEF.exe	99
PID 4364 wrote to memory of 1700	4364	RdrCEF.exe	99
PID 4364 wrote to memory of 1700	4364	RdrCEF.exe	99
PID 4364 wrote to memory of 1700	4364	RdrCEF.exe	99
PID 4364 wrote to memory of 1700	4364	RdrCEF.exe	99
PID 4364 wrote to memory of 1700	4364	RdrCEF.exe	99
PID 4364 wrote to memory of 1700	4364	RdrCEF.exe	99
PID 4364 wrote to memory of 1700	4364	RdrCEF.exe	99
PID 4364 wrote to memory of 1700	4364	RdrCEF.exe	99
PID 4364 wrote to memory of 1700	4364	RdrCEF.exe	99
PID 4364 wrote to memory of 1700	4364	RdrCEF.exe	99
PID 4364 wrote to memory of 1700	4364	RdrCEF.exe	99
PID 4364 wrote to memory of 1700	4364	RdrCEF.exe	99
PID 4364 wrote to memory of 1700	4364	RdrCEF.exe	99
PID 4364 wrote to memory of 1700	4364	RdrCEF.exe	99
PID 4364 wrote to memory of 1700	4364	RdrCEF.exe	99
PID 4364 wrote to memory of 1700	4364	RdrCEF.exe	99
PID 4364 wrote to memory of 1700	4364	RdrCEF.exe	99
PID 4364 wrote to memory of 1700	4364	RdrCEF.exe	99
PID 4364 wrote to memory of 1700	4364	RdrCEF.exe	99
PID 4364 wrote to memory of 1700	4364	RdrCEF.exe	99
PID 4364 wrote to memory of 1700	4364	RdrCEF.exe	99
PID 4364 wrote to memory of 1700	4364	RdrCEF.exe	99
PID 4364 wrote to memory of 1700	4364	RdrCEF.exe	99
PID 4364 wrote to memory of 1700	4364	RdrCEF.exe	99
PID 4364 wrote to memory of 1700	4364	RdrCEF.exe	99
PID 4364 wrote to memory of 1700	4364	RdrCEF.exe	99
PID 4364 wrote to memory of 1700	4364	RdrCEF.exe	99
PID 4364 wrote to memory of 1700	4364	RdrCEF.exe	99
PID 4364 wrote to memory of 1700	4364	RdrCEF.exe	99
PID 4364 wrote to memory of 1700	4364	RdrCEF.exe	99
PID 4364 wrote to memory of 1700	4364	RdrCEF.exe	99
PID 4364 wrote to memory of 1700	4364	RdrCEF.exe	99
PID 4364 wrote to memory of 1700	4364	RdrCEF.exe	99
PID 4364 wrote to memory of 324	4364	RdrCEF.exe	100
PID 4364 wrote to memory of 324	4364	RdrCEF.exe	100
PID 4364 wrote to memory of 324	4364	RdrCEF.exe	100
PID 4364 wrote to memory of 324	4364	RdrCEF.exe	100
PID 4364 wrote to memory of 324	4364	RdrCEF.exe	100
PID 4364 wrote to memory of 324	4364	RdrCEF.exe	100
PID 4364 wrote to memory of 324	4364	RdrCEF.exe	100
PID 4364 wrote to memory of 324	4364	RdrCEF.exe	100
PID 4364 wrote to memory of 324	4364	RdrCEF.exe	100
PID 4364 wrote to memory of 324	4364	RdrCEF.exe	100
PID 4364 wrote to memory of 324	4364	RdrCEF.exe	100
PID 4364 wrote to memory of 324	4364	RdrCEF.exe	100
PID 4364 wrote to memory of 324	4364	RdrCEF.exe	100
PID 4364 wrote to memory of 324	4364	RdrCEF.exe	100
PID 4364 wrote to memory of 324	4364	RdrCEF.exe	100
PID 4364 wrote to memory of 324	4364	RdrCEF.exe	100
PID 4364 wrote to memory of 324	4364	RdrCEF.exe	100
PID 4364 wrote to memory of 324	4364	RdrCEF.exe	100
PID 4364 wrote to memory of 324	4364	RdrCEF.exe	100
PID 4364 wrote to memory of 324	4364	RdrCEF.exe	100

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\DOC110323.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:2420
- 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:4364
- - 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=F88166471DEE5B44114730CE81688223 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1700
- - 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=4A4B4EE2B4F60430DD7806CC00F9EFA7 --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=4A4B4EE2B4F60430DD7806CC00F9EFA7 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:324
- - 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=802A7C91D9D1439294EBBAB18A7DAD37 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1008
- - 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=2FA56B66760FCB3A3A5357385B66BF99 --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=2FA56B66760FCB3A3A5357385B66BF99 --renderer-client-id=5 --mojo-platform-channel-handle=1856 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2940
- - 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=CFD35027158564212665886CF649C9EB --mojo-platform-channel-handle=2672 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2028
- - 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=BC795EB873A0B3D653B0EF251A7C811A --mojo-platform-channel-handle=2412 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2612

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1968

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
a02eed6dad510bc9605e9f446b5b8941

SHA1
091a6466623fd01b28b2ad42d9ff2281b24b4e59

SHA256
32c71d30f48ecc948f910f4c47bea798c3eeed681734b05ee7d60088ec3278d0

SHA512
891a30860a9186e9b1e3059ba0f9e63ea6d96b3e513257a1149b4dbe2a9f8b50084950930e91c5dedaa22f3b0b932d4dab9105e7fd32d90d277e0b796d9d1fff

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/2420-62-0x0000000007F70000-0x0000000007F91000-memory.dmp

Filesize
132KB

Download
memory/2420-125-0x000000000A6C0000-0x000000000A96B000-memory.dmp

Filesize
2.7MB

Download