2c3eab3fe3cc00b8bfa9172903ce189b01ea1d23062683dd973552dec1d82b67

Analysis

max time kernel
155s
max time network
165s
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, 17:52

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General

Target

3aadc87330ac5912cd20d80239be72d0.pdf
Size

17KB
MD5

3aadc87330ac5912cd20d80239be72d0
SHA1

355544ec4f0c7f51522d78446e47de79a36e951c
SHA256

2c3eab3fe3cc00b8bfa9172903ce189b01ea1d23062683dd973552dec1d82b67
SHA512

2ac1064f1855866a5e9a5098fd7857000bc1f14ae6d61a2257da9f577c6a80e5d3c88e6add837f42bfbe657c58f633a20b1c0606e6f0e0cd09bafc25773c9330
SSDEEP

384:9Bb85al1ht2Gs+s6ccGeSnixHh6L+wi9cAWTp:fp1Brslcd1xM+wi9cAi

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
4324	AcroRd32.exe
4324	AcroRd32.exe
4324	AcroRd32.exe
4324	AcroRd32.exe
4324	AcroRd32.exe
4324	AcroRd32.exe
4324	AcroRd32.exe
4324	AcroRd32.exe
4324	AcroRd32.exe
4324	AcroRd32.exe
4324	AcroRd32.exe
4324	AcroRd32.exe
4324	AcroRd32.exe
4324	AcroRd32.exe
4324	AcroRd32.exe
4324	AcroRd32.exe
4324	AcroRd32.exe
4324	AcroRd32.exe
4324	AcroRd32.exe
4324	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4324	AcroRd32.exe
4324	AcroRd32.exe
4324	AcroRd32.exe
4324	AcroRd32.exe
4324	AcroRd32.exe
4324	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4324 wrote to memory of 3036	4324	AcroRd32.exe	94
PID 4324 wrote to memory of 3036	4324	AcroRd32.exe	94
PID 4324 wrote to memory of 3036	4324	AcroRd32.exe	94
PID 3036 wrote to memory of 4856	3036	RdrCEF.exe	95
PID 3036 wrote to memory of 4856	3036	RdrCEF.exe	95
PID 3036 wrote to memory of 4856	3036	RdrCEF.exe	95
PID 3036 wrote to memory of 4856	3036	RdrCEF.exe	95
PID 3036 wrote to memory of 4856	3036	RdrCEF.exe	95
PID 3036 wrote to memory of 4856	3036	RdrCEF.exe	95
PID 3036 wrote to memory of 4856	3036	RdrCEF.exe	95
PID 3036 wrote to memory of 4856	3036	RdrCEF.exe	95
PID 3036 wrote to memory of 4856	3036	RdrCEF.exe	95
PID 3036 wrote to memory of 4856	3036	RdrCEF.exe	95
PID 3036 wrote to memory of 4856	3036	RdrCEF.exe	95
PID 3036 wrote to memory of 4856	3036	RdrCEF.exe	95
PID 3036 wrote to memory of 4856	3036	RdrCEF.exe	95
PID 3036 wrote to memory of 4856	3036	RdrCEF.exe	95
PID 3036 wrote to memory of 4856	3036	RdrCEF.exe	95
PID 3036 wrote to memory of 4856	3036	RdrCEF.exe	95
PID 3036 wrote to memory of 4856	3036	RdrCEF.exe	95
PID 3036 wrote to memory of 4856	3036	RdrCEF.exe	95
PID 3036 wrote to memory of 4856	3036	RdrCEF.exe	95
PID 3036 wrote to memory of 4856	3036	RdrCEF.exe	95
PID 3036 wrote to memory of 4856	3036	RdrCEF.exe	95
PID 3036 wrote to memory of 4856	3036	RdrCEF.exe	95
PID 3036 wrote to memory of 4856	3036	RdrCEF.exe	95
PID 3036 wrote to memory of 4856	3036	RdrCEF.exe	95
PID 3036 wrote to memory of 4856	3036	RdrCEF.exe	95
PID 3036 wrote to memory of 4856	3036	RdrCEF.exe	95
PID 3036 wrote to memory of 4856	3036	RdrCEF.exe	95
PID 3036 wrote to memory of 4856	3036	RdrCEF.exe	95
PID 3036 wrote to memory of 4856	3036	RdrCEF.exe	95
PID 3036 wrote to memory of 4856	3036	RdrCEF.exe	95
PID 3036 wrote to memory of 4856	3036	RdrCEF.exe	95
PID 3036 wrote to memory of 4856	3036	RdrCEF.exe	95
PID 3036 wrote to memory of 4856	3036	RdrCEF.exe	95
PID 3036 wrote to memory of 4856	3036	RdrCEF.exe	95
PID 3036 wrote to memory of 4856	3036	RdrCEF.exe	95
PID 3036 wrote to memory of 4856	3036	RdrCEF.exe	95
PID 3036 wrote to memory of 4856	3036	RdrCEF.exe	95
PID 3036 wrote to memory of 4856	3036	RdrCEF.exe	95
PID 3036 wrote to memory of 4856	3036	RdrCEF.exe	95
PID 3036 wrote to memory of 4856	3036	RdrCEF.exe	95
PID 3036 wrote to memory of 4856	3036	RdrCEF.exe	95
PID 3036 wrote to memory of 1912	3036	RdrCEF.exe	96
PID 3036 wrote to memory of 1912	3036	RdrCEF.exe	96
PID 3036 wrote to memory of 1912	3036	RdrCEF.exe	96
PID 3036 wrote to memory of 1912	3036	RdrCEF.exe	96
PID 3036 wrote to memory of 1912	3036	RdrCEF.exe	96
PID 3036 wrote to memory of 1912	3036	RdrCEF.exe	96
PID 3036 wrote to memory of 1912	3036	RdrCEF.exe	96
PID 3036 wrote to memory of 1912	3036	RdrCEF.exe	96
PID 3036 wrote to memory of 1912	3036	RdrCEF.exe	96
PID 3036 wrote to memory of 1912	3036	RdrCEF.exe	96
PID 3036 wrote to memory of 1912	3036	RdrCEF.exe	96
PID 3036 wrote to memory of 1912	3036	RdrCEF.exe	96
PID 3036 wrote to memory of 1912	3036	RdrCEF.exe	96
PID 3036 wrote to memory of 1912	3036	RdrCEF.exe	96
PID 3036 wrote to memory of 1912	3036	RdrCEF.exe	96
PID 3036 wrote to memory of 1912	3036	RdrCEF.exe	96
PID 3036 wrote to memory of 1912	3036	RdrCEF.exe	96
PID 3036 wrote to memory of 1912	3036	RdrCEF.exe	96
PID 3036 wrote to memory of 1912	3036	RdrCEF.exe	96
PID 3036 wrote to memory of 1912	3036	RdrCEF.exe	96

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\3aadc87330ac5912cd20d80239be72d0.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4324
- 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:3036
- - 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=1D66DBF26059BFEE9334438F526096CC --mojo-platform-channel-handle=1720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4856
- - 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=68FBEEC55581DE17E8A22C87748B108A --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=68FBEEC55581DE17E8A22C87748B108A --renderer-client-id=2 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1912
- - 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=C6A986E50C53CDBB3CE271BE19E3197E --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:468
- - 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=81D3C300B50BAF39A4FF7CB6D7AD91E9 --mojo-platform-channel-handle=1912 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1372
- - 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=BCF8ACD2E388483B4F62837946CEB8D7 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1992

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3868

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
562bcfedbc18432f95207a55eb743fac

SHA1
8f5437e7dda79164edeb55bc2f18b7880bc9c3f5

SHA256
add8030f5906c52863aebbfee2a78da74723490aa11cc815f2fb285c091e3ebb

SHA512
f2951567960b5a4612d5607169c077b51aa0429c9622169f0567a34fcc2ea7d1800750a1593c5d45dd36807705e7d57ebcdc086fc46763280ef67c6539b0ecbf

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