c8789748df6638b10d055cf2c4852132def9efac46f8f02ece47dd7827be69c1

Analysis

max time kernel
143s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 05:37

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General

Target

2a45c67d1129b0317b08af8952b4f3c2.pdf
Size

92KB
MD5

2a45c67d1129b0317b08af8952b4f3c2
SHA1

77676c9590907af991f33c36c7372fcbb96f4a1e
SHA256

c8789748df6638b10d055cf2c4852132def9efac46f8f02ece47dd7827be69c1
SHA512

39a2711f0b1773fc743f22c33ba0876a7f996bc9d33c23f064bd7582327faf3cbc885a1e1d17dc3dce54e7c4728a81a2cca7d82510079482613c3417b06c82d4
SSDEEP

1536:nmZC1CL3p87plmeDhiZ2a42b7ZVs7qhBA0aiiCeGWxnnPeP1W8pO+Af5g:mn3p8aGh25t79BACeTPcE+9

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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4996	AcroRd32.exe
4996	AcroRd32.exe
4996	AcroRd32.exe
4996	AcroRd32.exe
4996	AcroRd32.exe
4996	AcroRd32.exe
4996	AcroRd32.exe
4996	AcroRd32.exe
4996	AcroRd32.exe
4996	AcroRd32.exe
4996	AcroRd32.exe
4996	AcroRd32.exe
4996	AcroRd32.exe
4996	AcroRd32.exe
4996	AcroRd32.exe
4996	AcroRd32.exe
4996	AcroRd32.exe
4996	AcroRd32.exe
4996	AcroRd32.exe
4996	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4996	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4996	AcroRd32.exe
4996	AcroRd32.exe
4996	AcroRd32.exe
4996	AcroRd32.exe
4996	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4996 wrote to memory of 1180	4996	AcroRd32.exe	92
PID 4996 wrote to memory of 1180	4996	AcroRd32.exe	92
PID 4996 wrote to memory of 1180	4996	AcroRd32.exe	92
PID 1180 wrote to memory of 4268	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 4268	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 4268	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 4268	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 4268	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 4268	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 4268	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 4268	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 4268	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 4268	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 4268	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 4268	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 4268	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 4268	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 4268	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 4268	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 4268	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 4268	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 4268	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 4268	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 4268	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 4268	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 4268	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 4268	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 4268	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 4268	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 4268	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 4268	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 4268	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 4268	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 4268	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 4268	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 4268	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 4268	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 4268	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 4268	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 4268	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 4268	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 4268	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 4268	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 4268	1180	RdrCEF.exe	93
PID 1180 wrote to memory of 4964	1180	RdrCEF.exe	94
PID 1180 wrote to memory of 4964	1180	RdrCEF.exe	94
PID 1180 wrote to memory of 4964	1180	RdrCEF.exe	94
PID 1180 wrote to memory of 4964	1180	RdrCEF.exe	94
PID 1180 wrote to memory of 4964	1180	RdrCEF.exe	94
PID 1180 wrote to memory of 4964	1180	RdrCEF.exe	94
PID 1180 wrote to memory of 4964	1180	RdrCEF.exe	94
PID 1180 wrote to memory of 4964	1180	RdrCEF.exe	94
PID 1180 wrote to memory of 4964	1180	RdrCEF.exe	94
PID 1180 wrote to memory of 4964	1180	RdrCEF.exe	94
PID 1180 wrote to memory of 4964	1180	RdrCEF.exe	94
PID 1180 wrote to memory of 4964	1180	RdrCEF.exe	94
PID 1180 wrote to memory of 4964	1180	RdrCEF.exe	94
PID 1180 wrote to memory of 4964	1180	RdrCEF.exe	94
PID 1180 wrote to memory of 4964	1180	RdrCEF.exe	94
PID 1180 wrote to memory of 4964	1180	RdrCEF.exe	94
PID 1180 wrote to memory of 4964	1180	RdrCEF.exe	94
PID 1180 wrote to memory of 4964	1180	RdrCEF.exe	94
PID 1180 wrote to memory of 4964	1180	RdrCEF.exe	94
PID 1180 wrote to memory of 4964	1180	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\2a45c67d1129b0317b08af8952b4f3c2.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:4996
- 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:1180
- - 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=6D233F83AC0D1149A0CDBF42AC9833FA --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4268
- - 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=327ED4102D07BC8BA93FBC957C6EAFB4 --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=327ED4102D07BC8BA93FBC957C6EAFB4 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4964
- - 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=A42F3B002EFF7A61FE76010B42416CE4 --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=A42F3B002EFF7A61FE76010B42416CE4 --renderer-client-id=4 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4496
- - 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=F8314AF7A5C847097F533F7F8F8DBDD6 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1736
- - 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=42F15BFCAD1287C936E32B6AA32307F3 --mojo-platform-channel-handle=2664 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:8
- - 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=5D0E9746D359E371EA0DE87FE5E6199E --mojo-platform-channel-handle=2656 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3856

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3176

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

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Downloads

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

Filesize
64KB

MD5
8707dcd4f05998b1bc4f16b253125970

SHA1
48b096f23b5cd7b0cf04af03f8cf448973c1ae07

SHA256
2b3b27a2d652bdd98e92db86326ef56a34d2e938b7f979c17da91b8c3a378d51

SHA512
742dae594bb28789851b182b6fbb71bf14de2b57eb279db6cbc3bcbd3d088d165e7da94ca72a71eed5ddfda3635502fdfa618780c638f1657bb258f611e4d482

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/4996-130-0x000000000C400000-0x000000000C54D000-memory.dmp

Filesize
1.3MB

Download
memory/4996-134-0x000000000C370000-0x000000000C39A000-memory.dmp

Filesize
168KB

Download