51987dc9ce5b2661015ca3e75323156e6d4b593b5c4a9b31721e41ed3f9a5f16

Analysis

max time kernel
146s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
14-02-2024 15:22

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General

Target

9c04a102bbc07b61d5055331043fa869.pdf
Size

91KB
MD5

9c04a102bbc07b61d5055331043fa869
SHA1

41156505254498504ab15f7e76eb1b3aaa116394
SHA256

51987dc9ce5b2661015ca3e75323156e6d4b593b5c4a9b31721e41ed3f9a5f16
SHA512

e5df65581e01b99d986e9d42fca6f29282dd2dabd5168ccc1f02fee4d4a7b155889be4815d6c95c4c80d1e843a9fa48b81d3b51acf583833175ac9c96aad48c6
SSDEEP

1536:9q8BYQtF+J1FmZdZnQQuXCao3ajndKM7d8d80maB1gaMgFKGxMWxApOGzWVncimF:PYHMruXCXUn4MB8d8wftN3GCmlj

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4044	AcroRd32.exe
4044	AcroRd32.exe
4044	AcroRd32.exe
4044	AcroRd32.exe
4044	AcroRd32.exe
4044	AcroRd32.exe
4044	AcroRd32.exe
4044	AcroRd32.exe
4044	AcroRd32.exe
4044	AcroRd32.exe
4044	AcroRd32.exe
4044	AcroRd32.exe
4044	AcroRd32.exe
4044	AcroRd32.exe
4044	AcroRd32.exe
4044	AcroRd32.exe
4044	AcroRd32.exe
4044	AcroRd32.exe
4044	AcroRd32.exe
4044	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4044	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4044	AcroRd32.exe
4044	AcroRd32.exe
4044	AcroRd32.exe
4044	AcroRd32.exe
4044	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4044 wrote to memory of 4060	4044	AcroRd32.exe	87
PID 4044 wrote to memory of 4060	4044	AcroRd32.exe	87
PID 4044 wrote to memory of 4060	4044	AcroRd32.exe	87
PID 4060 wrote to memory of 2056	4060	RdrCEF.exe	88
PID 4060 wrote to memory of 2056	4060	RdrCEF.exe	88
PID 4060 wrote to memory of 2056	4060	RdrCEF.exe	88
PID 4060 wrote to memory of 2056	4060	RdrCEF.exe	88
PID 4060 wrote to memory of 2056	4060	RdrCEF.exe	88
PID 4060 wrote to memory of 2056	4060	RdrCEF.exe	88
PID 4060 wrote to memory of 2056	4060	RdrCEF.exe	88
PID 4060 wrote to memory of 2056	4060	RdrCEF.exe	88
PID 4060 wrote to memory of 2056	4060	RdrCEF.exe	88
PID 4060 wrote to memory of 2056	4060	RdrCEF.exe	88
PID 4060 wrote to memory of 2056	4060	RdrCEF.exe	88
PID 4060 wrote to memory of 2056	4060	RdrCEF.exe	88
PID 4060 wrote to memory of 2056	4060	RdrCEF.exe	88
PID 4060 wrote to memory of 2056	4060	RdrCEF.exe	88
PID 4060 wrote to memory of 2056	4060	RdrCEF.exe	88
PID 4060 wrote to memory of 2056	4060	RdrCEF.exe	88
PID 4060 wrote to memory of 2056	4060	RdrCEF.exe	88
PID 4060 wrote to memory of 2056	4060	RdrCEF.exe	88
PID 4060 wrote to memory of 2056	4060	RdrCEF.exe	88
PID 4060 wrote to memory of 2056	4060	RdrCEF.exe	88
PID 4060 wrote to memory of 2056	4060	RdrCEF.exe	88
PID 4060 wrote to memory of 2056	4060	RdrCEF.exe	88
PID 4060 wrote to memory of 2056	4060	RdrCEF.exe	88
PID 4060 wrote to memory of 2056	4060	RdrCEF.exe	88
PID 4060 wrote to memory of 2056	4060	RdrCEF.exe	88
PID 4060 wrote to memory of 2056	4060	RdrCEF.exe	88
PID 4060 wrote to memory of 2056	4060	RdrCEF.exe	88
PID 4060 wrote to memory of 2056	4060	RdrCEF.exe	88
PID 4060 wrote to memory of 2056	4060	RdrCEF.exe	88
PID 4060 wrote to memory of 2056	4060	RdrCEF.exe	88
PID 4060 wrote to memory of 2056	4060	RdrCEF.exe	88
PID 4060 wrote to memory of 2056	4060	RdrCEF.exe	88
PID 4060 wrote to memory of 2056	4060	RdrCEF.exe	88
PID 4060 wrote to memory of 2056	4060	RdrCEF.exe	88
PID 4060 wrote to memory of 2056	4060	RdrCEF.exe	88
PID 4060 wrote to memory of 2056	4060	RdrCEF.exe	88
PID 4060 wrote to memory of 2056	4060	RdrCEF.exe	88
PID 4060 wrote to memory of 2056	4060	RdrCEF.exe	88
PID 4060 wrote to memory of 2056	4060	RdrCEF.exe	88
PID 4060 wrote to memory of 2056	4060	RdrCEF.exe	88
PID 4060 wrote to memory of 2056	4060	RdrCEF.exe	88
PID 4060 wrote to memory of 2828	4060	RdrCEF.exe	89
PID 4060 wrote to memory of 2828	4060	RdrCEF.exe	89
PID 4060 wrote to memory of 2828	4060	RdrCEF.exe	89
PID 4060 wrote to memory of 2828	4060	RdrCEF.exe	89
PID 4060 wrote to memory of 2828	4060	RdrCEF.exe	89
PID 4060 wrote to memory of 2828	4060	RdrCEF.exe	89
PID 4060 wrote to memory of 2828	4060	RdrCEF.exe	89
PID 4060 wrote to memory of 2828	4060	RdrCEF.exe	89
PID 4060 wrote to memory of 2828	4060	RdrCEF.exe	89
PID 4060 wrote to memory of 2828	4060	RdrCEF.exe	89
PID 4060 wrote to memory of 2828	4060	RdrCEF.exe	89
PID 4060 wrote to memory of 2828	4060	RdrCEF.exe	89
PID 4060 wrote to memory of 2828	4060	RdrCEF.exe	89
PID 4060 wrote to memory of 2828	4060	RdrCEF.exe	89
PID 4060 wrote to memory of 2828	4060	RdrCEF.exe	89
PID 4060 wrote to memory of 2828	4060	RdrCEF.exe	89
PID 4060 wrote to memory of 2828	4060	RdrCEF.exe	89
PID 4060 wrote to memory of 2828	4060	RdrCEF.exe	89
PID 4060 wrote to memory of 2828	4060	RdrCEF.exe	89
PID 4060 wrote to memory of 2828	4060	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\9c04a102bbc07b61d5055331043fa869.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:4044
- 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:4060
- - 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=4226C33F7FA583DC01D660A32255287B --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2056
- - 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=FA11C1019242B04DFEA1F77DFD94DCF1 --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=FA11C1019242B04DFEA1F77DFD94DCF1 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2828
- - 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=1506968A5BC3C7BD5BC8F7E8FBCD66F2 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1688
- - 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=E605F966D8D81C503841166B907EC6AF --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=E605F966D8D81C503841166B907EC6AF --renderer-client-id=5 --mojo-platform-channel-handle=1856 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5000
- - 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=1074D6457A4976C7E57D8A34E6B6FC70 --mojo-platform-channel-handle=2440 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3040
- - 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=DD381332366C5EFA8B1D70D7A96CA095 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4696

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1520

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
3e4254e67d6ea489702e18dbf9d26ff7

SHA1
7bc3071d218bb77d3dde6d05b87c13e32799aac4

SHA256
33bb828c78080c4aa9ffed589f3f3d74e1f636351ff5953682bad828c23ffbc8

SHA512
6df1a3b39f2a6b67c9f3214e6225e23dced72472a511c8f3f7941656eeb5f7fbf8bb2dfad30711f5ba9b08f64ec981ed3db258f2e295b798cce820ae5835329b

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