9e178de6ebb4edcddc9a681becc8d06ba6af34e0c776034c4698b55e66c5b5b8

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/01/2024, 15:08

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General

Target

6fbe882e4bb5fc165ed6c271f58984f8.pdf
Size

44KB
MD5

6fbe882e4bb5fc165ed6c271f58984f8
SHA1

6631891975d4542654cc5b66f3cad34ee6c03af1
SHA256

9e178de6ebb4edcddc9a681becc8d06ba6af34e0c776034c4698b55e66c5b5b8
SHA512

a7879b2f85510a0c2aad22493cfac08f6d5bac8da444f006ddc806324389bbb4c5cec429e651647d1dc85675ad0b4524113e7dd428c4b96ebc71bb62351aae3c
SSDEEP

768:I5kedev/q+JgZZn4yb4/6jeMR/jzXJPSD/0z9oFZoFCL6oO0rfAJOHCxrINO:Im66jJgZ9bDLhzJc09oFZZL6/0rfAJ6g

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
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4956	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe
4956	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4956 wrote to memory of 1096	4956	AcroRd32.exe	93
PID 4956 wrote to memory of 1096	4956	AcroRd32.exe	93
PID 4956 wrote to memory of 1096	4956	AcroRd32.exe	93
PID 1096 wrote to memory of 4332	1096	RdrCEF.exe	94
PID 1096 wrote to memory of 4332	1096	RdrCEF.exe	94
PID 1096 wrote to memory of 4332	1096	RdrCEF.exe	94
PID 1096 wrote to memory of 4332	1096	RdrCEF.exe	94
PID 1096 wrote to memory of 4332	1096	RdrCEF.exe	94
PID 1096 wrote to memory of 4332	1096	RdrCEF.exe	94
PID 1096 wrote to memory of 4332	1096	RdrCEF.exe	94
PID 1096 wrote to memory of 4332	1096	RdrCEF.exe	94
PID 1096 wrote to memory of 4332	1096	RdrCEF.exe	94
PID 1096 wrote to memory of 4332	1096	RdrCEF.exe	94
PID 1096 wrote to memory of 4332	1096	RdrCEF.exe	94
PID 1096 wrote to memory of 4332	1096	RdrCEF.exe	94
PID 1096 wrote to memory of 4332	1096	RdrCEF.exe	94
PID 1096 wrote to memory of 4332	1096	RdrCEF.exe	94
PID 1096 wrote to memory of 4332	1096	RdrCEF.exe	94
PID 1096 wrote to memory of 4332	1096	RdrCEF.exe	94
PID 1096 wrote to memory of 4332	1096	RdrCEF.exe	94
PID 1096 wrote to memory of 4332	1096	RdrCEF.exe	94
PID 1096 wrote to memory of 4332	1096	RdrCEF.exe	94
PID 1096 wrote to memory of 4332	1096	RdrCEF.exe	94
PID 1096 wrote to memory of 4332	1096	RdrCEF.exe	94
PID 1096 wrote to memory of 4332	1096	RdrCEF.exe	94
PID 1096 wrote to memory of 4332	1096	RdrCEF.exe	94
PID 1096 wrote to memory of 4332	1096	RdrCEF.exe	94
PID 1096 wrote to memory of 4332	1096	RdrCEF.exe	94
PID 1096 wrote to memory of 4332	1096	RdrCEF.exe	94
PID 1096 wrote to memory of 4332	1096	RdrCEF.exe	94
PID 1096 wrote to memory of 4332	1096	RdrCEF.exe	94
PID 1096 wrote to memory of 4332	1096	RdrCEF.exe	94
PID 1096 wrote to memory of 4332	1096	RdrCEF.exe	94
PID 1096 wrote to memory of 4332	1096	RdrCEF.exe	94
PID 1096 wrote to memory of 4332	1096	RdrCEF.exe	94
PID 1096 wrote to memory of 4332	1096	RdrCEF.exe	94
PID 1096 wrote to memory of 4332	1096	RdrCEF.exe	94
PID 1096 wrote to memory of 4332	1096	RdrCEF.exe	94
PID 1096 wrote to memory of 4332	1096	RdrCEF.exe	94
PID 1096 wrote to memory of 4332	1096	RdrCEF.exe	94
PID 1096 wrote to memory of 4332	1096	RdrCEF.exe	94
PID 1096 wrote to memory of 4332	1096	RdrCEF.exe	94
PID 1096 wrote to memory of 4332	1096	RdrCEF.exe	94
PID 1096 wrote to memory of 4332	1096	RdrCEF.exe	94
PID 1096 wrote to memory of 3932	1096	RdrCEF.exe	95
PID 1096 wrote to memory of 3932	1096	RdrCEF.exe	95
PID 1096 wrote to memory of 3932	1096	RdrCEF.exe	95
PID 1096 wrote to memory of 3932	1096	RdrCEF.exe	95
PID 1096 wrote to memory of 3932	1096	RdrCEF.exe	95
PID 1096 wrote to memory of 3932	1096	RdrCEF.exe	95
PID 1096 wrote to memory of 3932	1096	RdrCEF.exe	95
PID 1096 wrote to memory of 3932	1096	RdrCEF.exe	95
PID 1096 wrote to memory of 3932	1096	RdrCEF.exe	95
PID 1096 wrote to memory of 3932	1096	RdrCEF.exe	95
PID 1096 wrote to memory of 3932	1096	RdrCEF.exe	95
PID 1096 wrote to memory of 3932	1096	RdrCEF.exe	95
PID 1096 wrote to memory of 3932	1096	RdrCEF.exe	95
PID 1096 wrote to memory of 3932	1096	RdrCEF.exe	95
PID 1096 wrote to memory of 3932	1096	RdrCEF.exe	95
PID 1096 wrote to memory of 3932	1096	RdrCEF.exe	95
PID 1096 wrote to memory of 3932	1096	RdrCEF.exe	95
PID 1096 wrote to memory of 3932	1096	RdrCEF.exe	95
PID 1096 wrote to memory of 3932	1096	RdrCEF.exe	95
PID 1096 wrote to memory of 3932	1096	RdrCEF.exe	95

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\6fbe882e4bb5fc165ed6c271f58984f8.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:4956
- 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:1096
- - 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=B36926D914D201FD34B772F67CCAF95F --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4332
- - 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=3A503C3024FFE3222DFB3445B9BFDF90 --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=3A503C3024FFE3222DFB3445B9BFDF90 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3932
- - 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=5FF413934EE268D240BF751E0ED4EC9C --mojo-platform-channel-handle=2184 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4576
- - 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=EFF681E129FE78D6F3261564C94AF7DB --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4404
- - 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=D35960B665722DF70B5BD00003A7F594 --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=D35960B665722DF70B5BD00003A7F594 --renderer-client-id=6 --mojo-platform-channel-handle=1940 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2632
- - 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=DB23D834FFC53BC637D368A13F05A064 --mojo-platform-channel-handle=2016 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4040

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
fba1ddce0bbd471604b6c75c1c1a3da7

SHA1
ab0336fabf7890954440dfc028f01ddf348a15a6

SHA256
1215c4c7ba682642bf9146e64eee3dae7c3f8f6a6d241626c524cf9f87f47e62

SHA512
884b6da23c94a63ebd05962c61f98d05d7f46d020b5bac8d2c56567da5883b97ce2476ee43b95cc20b40ee5133734f19788a1a10f66628efeca583865c365eb6

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