a4c9afb5040164b1a0b2e9f97d9e35343ff2e7d5d10b61d129fe842a8474b141

Analysis

max time kernel
142s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2023 23:20

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General

Target

1fd1c3970b408fd83e54cb2c9f630888.pdf
Size

76KB
MD5

1fd1c3970b408fd83e54cb2c9f630888
SHA1

a7797b3d340cd24c3d9f934429960d969579daf7
SHA256

a4c9afb5040164b1a0b2e9f97d9e35343ff2e7d5d10b61d129fe842a8474b141
SHA512

5cc609261f6a920aabecd9212e1c9b853a0731fd9951c41901f5735f5552ed988ddfaa7f66090d5d9f5925b5ac96837331a4fda2bab84b81c96e051ff3294564
SSDEEP

1536:v3jAcW7BEGj/gT2zspkmRYgG1H5WVVfahR8R7PWgpOGPBJ:8cW7BEm/4RYgQka/8R2G3

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2808	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe
2808	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2808 wrote to memory of 3004	2808	AcroRd32.exe	92
PID 2808 wrote to memory of 3004	2808	AcroRd32.exe	92
PID 2808 wrote to memory of 3004	2808	AcroRd32.exe	92
PID 3004 wrote to memory of 4648	3004	RdrCEF.exe	93
PID 3004 wrote to memory of 4648	3004	RdrCEF.exe	93
PID 3004 wrote to memory of 4648	3004	RdrCEF.exe	93
PID 3004 wrote to memory of 4648	3004	RdrCEF.exe	93
PID 3004 wrote to memory of 4648	3004	RdrCEF.exe	93
PID 3004 wrote to memory of 4648	3004	RdrCEF.exe	93
PID 3004 wrote to memory of 4648	3004	RdrCEF.exe	93
PID 3004 wrote to memory of 4648	3004	RdrCEF.exe	93
PID 3004 wrote to memory of 4648	3004	RdrCEF.exe	93
PID 3004 wrote to memory of 4648	3004	RdrCEF.exe	93
PID 3004 wrote to memory of 4648	3004	RdrCEF.exe	93
PID 3004 wrote to memory of 4648	3004	RdrCEF.exe	93
PID 3004 wrote to memory of 4648	3004	RdrCEF.exe	93
PID 3004 wrote to memory of 4648	3004	RdrCEF.exe	93
PID 3004 wrote to memory of 4648	3004	RdrCEF.exe	93
PID 3004 wrote to memory of 4648	3004	RdrCEF.exe	93
PID 3004 wrote to memory of 4648	3004	RdrCEF.exe	93
PID 3004 wrote to memory of 4648	3004	RdrCEF.exe	93
PID 3004 wrote to memory of 4648	3004	RdrCEF.exe	93
PID 3004 wrote to memory of 4648	3004	RdrCEF.exe	93
PID 3004 wrote to memory of 4648	3004	RdrCEF.exe	93
PID 3004 wrote to memory of 4648	3004	RdrCEF.exe	93
PID 3004 wrote to memory of 4648	3004	RdrCEF.exe	93
PID 3004 wrote to memory of 4648	3004	RdrCEF.exe	93
PID 3004 wrote to memory of 4648	3004	RdrCEF.exe	93
PID 3004 wrote to memory of 4648	3004	RdrCEF.exe	93
PID 3004 wrote to memory of 4648	3004	RdrCEF.exe	93
PID 3004 wrote to memory of 4648	3004	RdrCEF.exe	93
PID 3004 wrote to memory of 4648	3004	RdrCEF.exe	93
PID 3004 wrote to memory of 4648	3004	RdrCEF.exe	93
PID 3004 wrote to memory of 4648	3004	RdrCEF.exe	93
PID 3004 wrote to memory of 4648	3004	RdrCEF.exe	93
PID 3004 wrote to memory of 4648	3004	RdrCEF.exe	93
PID 3004 wrote to memory of 4648	3004	RdrCEF.exe	93
PID 3004 wrote to memory of 4648	3004	RdrCEF.exe	93
PID 3004 wrote to memory of 4648	3004	RdrCEF.exe	93
PID 3004 wrote to memory of 4648	3004	RdrCEF.exe	93
PID 3004 wrote to memory of 4648	3004	RdrCEF.exe	93
PID 3004 wrote to memory of 4648	3004	RdrCEF.exe	93
PID 3004 wrote to memory of 4648	3004	RdrCEF.exe	93
PID 3004 wrote to memory of 4648	3004	RdrCEF.exe	93
PID 3004 wrote to memory of 3224	3004	RdrCEF.exe	94
PID 3004 wrote to memory of 3224	3004	RdrCEF.exe	94
PID 3004 wrote to memory of 3224	3004	RdrCEF.exe	94
PID 3004 wrote to memory of 3224	3004	RdrCEF.exe	94
PID 3004 wrote to memory of 3224	3004	RdrCEF.exe	94
PID 3004 wrote to memory of 3224	3004	RdrCEF.exe	94
PID 3004 wrote to memory of 3224	3004	RdrCEF.exe	94
PID 3004 wrote to memory of 3224	3004	RdrCEF.exe	94
PID 3004 wrote to memory of 3224	3004	RdrCEF.exe	94
PID 3004 wrote to memory of 3224	3004	RdrCEF.exe	94
PID 3004 wrote to memory of 3224	3004	RdrCEF.exe	94
PID 3004 wrote to memory of 3224	3004	RdrCEF.exe	94
PID 3004 wrote to memory of 3224	3004	RdrCEF.exe	94
PID 3004 wrote to memory of 3224	3004	RdrCEF.exe	94
PID 3004 wrote to memory of 3224	3004	RdrCEF.exe	94
PID 3004 wrote to memory of 3224	3004	RdrCEF.exe	94
PID 3004 wrote to memory of 3224	3004	RdrCEF.exe	94
PID 3004 wrote to memory of 3224	3004	RdrCEF.exe	94
PID 3004 wrote to memory of 3224	3004	RdrCEF.exe	94
PID 3004 wrote to memory of 3224	3004	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\1fd1c3970b408fd83e54cb2c9f630888.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:2808
- 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:3004
- - 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=CA3672571D275C0E0AB9F7DC4208D4E6 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4648
- - 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=9E2C51B5CB30C6580C69A2D27EA02A6D --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=9E2C51B5CB30C6580C69A2D27EA02A6D --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3224
- - 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=E17220516FE3C557EC7E048F122FBB24 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3604
- - 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=8AC017808232B63086F98B8CD4D22269 --mojo-platform-channel-handle=2396 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1040
- - 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=3B9B7FD0935BC642D098100C2DAEF188 --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=3B9B7FD0935BC642D098100C2DAEF188 --renderer-client-id=6 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1976
- - 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=870C5F54B618A2A22FBC86D63E98B7AB --mojo-platform-channel-handle=2720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1860

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5076

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
27KB

MD5
55063fa3347b285564a8e00d13f3597b

SHA1
6a1b8664fbdbc00ad5d7be4b4fd2d2bf3a64531b

SHA256
1e71ea3c0c99e1936872018f9939e98208b307fef9259ec093364ce3db933d68

SHA512
e90994b713d0143b5b4f8a0b594a20a84d87d44404b3be4dcfc4f576ed4cb5d0ba5b4e359a9041f7d536879cd473f14683377ec9f44f018bedef64a4a6c089b7

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit