8316abb65ff042a95be140eb2d4b02895ddafa89e60721dd30e43f9f03d11c58

Analysis

max time kernel
144s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
24/02/2024, 09:32

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General

Target

a1862541fee5913d7109f59677d7eb99.pdf
Size

82KB
MD5

a1862541fee5913d7109f59677d7eb99
SHA1

c4e75435e24d3f0911dff1ca97f64d879daad41b
SHA256

8316abb65ff042a95be140eb2d4b02895ddafa89e60721dd30e43f9f03d11c58
SHA512

f87933d38b89bfdd2188050bf1e85dc43d552f22ff49818ede815d5ff593ad8eece30a1ceec9791fd580ece4703457d66e112b95a801fd90628a6ef07d1defab
SSDEEP

1536:GipAVnG3CaJCKoGbq2Ygzu/HQ93Vcv5l0K036KZgWd9uYjWWspORGW4VDCrWgpu:5yVGSadoGbq0uY6U9VlUYjJRUnr

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-1-5-21-3844919115-497234255-166257750-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2816	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe
2816	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2816 wrote to memory of 4984	2816	AcroRd32.exe	86
PID 2816 wrote to memory of 4984	2816	AcroRd32.exe	86
PID 2816 wrote to memory of 4984	2816	AcroRd32.exe	86
PID 2816 wrote to memory of 5028	2816	AcroRd32.exe	87
PID 2816 wrote to memory of 5028	2816	AcroRd32.exe	87
PID 2816 wrote to memory of 5028	2816	AcroRd32.exe	87
PID 2816 wrote to memory of 3864	2816	AcroRd32.exe	88
PID 2816 wrote to memory of 3864	2816	AcroRd32.exe	88
PID 2816 wrote to memory of 3864	2816	AcroRd32.exe	88
PID 2816 wrote to memory of 4120	2816	AcroRd32.exe	89
PID 2816 wrote to memory of 4120	2816	AcroRd32.exe	89
PID 2816 wrote to memory of 4120	2816	AcroRd32.exe	89
PID 4120 wrote to memory of 348	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 348	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 348	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 348	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 348	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 348	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 348	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 348	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 348	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 348	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 348	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 348	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 348	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 348	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 348	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 348	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 348	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 348	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 348	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 348	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 348	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 348	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 348	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 348	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 348	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 348	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 348	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 348	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 348	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 348	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 348	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 348	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 348	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 348	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 348	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 348	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 348	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 348	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 348	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 348	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 348	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 348	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 348	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 5024	4120	RdrCEF.exe	92
PID 4120 wrote to memory of 5024	4120	RdrCEF.exe	92
PID 4120 wrote to memory of 5024	4120	RdrCEF.exe	92
PID 4120 wrote to memory of 5024	4120	RdrCEF.exe	92
PID 4120 wrote to memory of 5024	4120	RdrCEF.exe	92
PID 4120 wrote to memory of 5024	4120	RdrCEF.exe	92
PID 4120 wrote to memory of 5024	4120	RdrCEF.exe	92
PID 4120 wrote to memory of 5024	4120	RdrCEF.exe	92
PID 4120 wrote to memory of 5024	4120	RdrCEF.exe	92

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\a1862541fee5913d7109f59677d7eb99.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:2816
- 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⤵
  PID:4984
- 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⤵
  PID:5028
- 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⤵
  PID:3864
- 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:4120
- - 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=5852A4435BC978423C401DA4FBAD99DF --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=5852A4435BC978423C401DA4FBAD99DF --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:348
- - 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=F8C1D9341F0F6A938374CBBA041DF0BF --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5024
- - 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=EB23F1A44ECDBE792699DA5EE3AF1177 --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=EB23F1A44ECDBE792699DA5EE3AF1177 --renderer-client-id=4 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3848
- - 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=303D921AC9511FEA54957578EBB918A8 --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3032
- - 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=12A56460180686FC4674E651DAB395D1 --mojo-platform-channel-handle=2080 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2736
- - 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=28177AE0AFB8A16E0827A0A99FAE0563 --mojo-platform-channel-handle=2676 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2520

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2012

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
7534380490cd33a09ccd126179efee73

SHA1
6ef29b8c4360a10b87412838baf6dc062aede45a

SHA256
a2b4e6b6684ce115de50ed5c4d196b6726c2fa1a4540218322f63e9b13a63a84

SHA512
a313e3da2e0d42eb1d7860465fb1fedb245dda0292eac240cc20dbe942911c0cfeaed3fb5fb25c85a98172f53b09547d61a2f48233aedf4f2ac3c5f1654bb58f

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