ca98273a92f2ddff9cab9cc5ebb3f612abce471b0fa5e0da17995cd5f406b1e5

Analysis

max time kernel
160s
max time network
173s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29/12/2023, 22:30

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General

Target

05a5957cd7647d907c0dee97cf94e40b.pdf
Size

98KB
MD5

05a5957cd7647d907c0dee97cf94e40b
SHA1

5280890ff178d73589a82a23697020f39ab6087c
SHA256

ca98273a92f2ddff9cab9cc5ebb3f612abce471b0fa5e0da17995cd5f406b1e5
SHA512

6e2e5f2f92d5591e628bf1fddf4a3992bb0032d8eb1ab1ab5b4067ce904d9537bd61c7e3273d26e3e52fac094a2dbb14c4ae51fdfec4f4fd433996826b69a44d
SSDEEP

3072:4ge9VxOY6dEp1LPqKa/8GMTl06F+u2o9Tf:4z9fO5dEp1LyKmpMHv

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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4364	AcroRd32.exe
4364	AcroRd32.exe
4364	AcroRd32.exe
4364	AcroRd32.exe
4364	AcroRd32.exe
4364	AcroRd32.exe
4364	AcroRd32.exe
4364	AcroRd32.exe
4364	AcroRd32.exe
4364	AcroRd32.exe
4364	AcroRd32.exe
4364	AcroRd32.exe
4364	AcroRd32.exe
4364	AcroRd32.exe
4364	AcroRd32.exe
4364	AcroRd32.exe
4364	AcroRd32.exe
4364	AcroRd32.exe
4364	AcroRd32.exe
4364	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4364	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4364	AcroRd32.exe
4364	AcroRd32.exe
4364	AcroRd32.exe
4364	AcroRd32.exe
4364	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4364 wrote to memory of 4796	4364	AcroRd32.exe	96
PID 4364 wrote to memory of 4796	4364	AcroRd32.exe	96
PID 4364 wrote to memory of 4796	4364	AcroRd32.exe	96
PID 4796 wrote to memory of 812	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 812	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 812	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 812	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 812	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 812	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 812	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 812	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 812	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 812	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 812	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 812	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 812	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 812	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 812	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 812	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 812	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 812	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 812	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 812	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 812	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 812	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 812	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 812	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 812	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 812	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 812	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 812	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 812	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 812	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 812	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 812	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 812	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 812	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 812	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 812	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 812	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 812	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 812	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 812	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 812	4796	RdrCEF.exe	97
PID 4796 wrote to memory of 3044	4796	RdrCEF.exe	98
PID 4796 wrote to memory of 3044	4796	RdrCEF.exe	98
PID 4796 wrote to memory of 3044	4796	RdrCEF.exe	98
PID 4796 wrote to memory of 3044	4796	RdrCEF.exe	98
PID 4796 wrote to memory of 3044	4796	RdrCEF.exe	98
PID 4796 wrote to memory of 3044	4796	RdrCEF.exe	98
PID 4796 wrote to memory of 3044	4796	RdrCEF.exe	98
PID 4796 wrote to memory of 3044	4796	RdrCEF.exe	98
PID 4796 wrote to memory of 3044	4796	RdrCEF.exe	98
PID 4796 wrote to memory of 3044	4796	RdrCEF.exe	98
PID 4796 wrote to memory of 3044	4796	RdrCEF.exe	98
PID 4796 wrote to memory of 3044	4796	RdrCEF.exe	98
PID 4796 wrote to memory of 3044	4796	RdrCEF.exe	98
PID 4796 wrote to memory of 3044	4796	RdrCEF.exe	98
PID 4796 wrote to memory of 3044	4796	RdrCEF.exe	98
PID 4796 wrote to memory of 3044	4796	RdrCEF.exe	98
PID 4796 wrote to memory of 3044	4796	RdrCEF.exe	98
PID 4796 wrote to memory of 3044	4796	RdrCEF.exe	98
PID 4796 wrote to memory of 3044	4796	RdrCEF.exe	98
PID 4796 wrote to memory of 3044	4796	RdrCEF.exe	98

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\05a5957cd7647d907c0dee97cf94e40b.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:4364
- 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:4796
- - 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=DE31CFCDFCC4AF0BB6D12FF936736CF7 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:812
- - 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=A58416A6CED7850B85E9E20440B98BCD --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=A58416A6CED7850B85E9E20440B98BCD --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3044
- - 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=136408A6B3CABA7AA1700F7AD4D21BEE --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=136408A6B3CABA7AA1700F7AD4D21BEE --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:420
- - 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=76C1DABA2662C280EBA548E123893EEF --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4228
- - 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=8F4AEA8032093CD3697A5ED52338A9B1 --mojo-platform-channel-handle=2672 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2516
- - 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=20DE827EC18B50F5AA680462ADE996BD --mojo-platform-channel-handle=2652 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4232

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5092

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
9170122696fe560792298ac3503d363f

SHA1
46770862967cbf8c6048631b7a69cf6ed77ed03d

SHA256
bdef4d35e3b1f6349222667ec68587f45b827bb63295368bf15b4143dfbcab29

SHA512
54d9325396d2596e6b7b35c1a02219b9c76948223c61e6f78fad90d3c31d69f4a6326c463a5217b9e41163b00d143fef3cc7c42d6be9969bd7b1a78421f1430d

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