efba6598588dbdfa99c75ef9503a341b887a0127f4b354b554c23632f86f1207

Analysis

max time kernel
151s
max time network
158s
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, 20:37

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General

Target

0357afaa2ff1a7b373d612695063304d.pdf
Size

87KB
MD5

0357afaa2ff1a7b373d612695063304d
SHA1

7b10536e10c0b3faeb05807485e329da29fd4feb
SHA256

efba6598588dbdfa99c75ef9503a341b887a0127f4b354b554c23632f86f1207
SHA512

005139e943d26bdee149b90480b61fb504e2bb3964c26da642917acdce84d2c187a08be80dc709c08b2395185562bd2521324a4cb001e5897caf69433b936d57
SSDEEP

1536:0hMzmpEEYopNlLf1N0qCTTmk1x2Z8GzMbLzA86KHSnjNRW6pOu26Wxc2pARkYWIN:sgMPD0qu6kHToMbc5Nyu2Lcln

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 22 IoCs

pid	Process
1588	AcroRd32.exe
1588	AcroRd32.exe
1588	AcroRd32.exe
1588	AcroRd32.exe
1588	AcroRd32.exe
1588	AcroRd32.exe
1588	AcroRd32.exe
1588	AcroRd32.exe
1588	AcroRd32.exe
1588	AcroRd32.exe
1588	AcroRd32.exe
1588	AcroRd32.exe
1588	AcroRd32.exe
1588	AcroRd32.exe
1588	AcroRd32.exe
1588	AcroRd32.exe
1588	AcroRd32.exe
1588	AcroRd32.exe
1588	AcroRd32.exe
1588	AcroRd32.exe
1588	AcroRd32.exe
1588	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1588	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1588	AcroRd32.exe
1588	AcroRd32.exe
1588	AcroRd32.exe
1588	AcroRd32.exe
1588	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1588 wrote to memory of 2032	1588	AcroRd32.exe	94
PID 1588 wrote to memory of 2032	1588	AcroRd32.exe	94
PID 1588 wrote to memory of 2032	1588	AcroRd32.exe	94
PID 1588 wrote to memory of 3020	1588	AcroRd32.exe	97
PID 1588 wrote to memory of 3020	1588	AcroRd32.exe	97
PID 1588 wrote to memory of 3020	1588	AcroRd32.exe	97
PID 1588 wrote to memory of 1956	1588	AcroRd32.exe	98
PID 1588 wrote to memory of 1956	1588	AcroRd32.exe	98
PID 1588 wrote to memory of 1956	1588	AcroRd32.exe	98
PID 1956 wrote to memory of 3572	1956	RdrCEF.exe	99
PID 1956 wrote to memory of 3572	1956	RdrCEF.exe	99
PID 1956 wrote to memory of 3572	1956	RdrCEF.exe	99
PID 1956 wrote to memory of 3572	1956	RdrCEF.exe	99
PID 1956 wrote to memory of 3572	1956	RdrCEF.exe	99
PID 1956 wrote to memory of 3572	1956	RdrCEF.exe	99
PID 1956 wrote to memory of 3572	1956	RdrCEF.exe	99
PID 1956 wrote to memory of 3572	1956	RdrCEF.exe	99
PID 1956 wrote to memory of 3572	1956	RdrCEF.exe	99
PID 1956 wrote to memory of 3572	1956	RdrCEF.exe	99
PID 1956 wrote to memory of 3572	1956	RdrCEF.exe	99
PID 1956 wrote to memory of 3572	1956	RdrCEF.exe	99
PID 1956 wrote to memory of 3572	1956	RdrCEF.exe	99
PID 1956 wrote to memory of 3572	1956	RdrCEF.exe	99
PID 1956 wrote to memory of 3572	1956	RdrCEF.exe	99
PID 1956 wrote to memory of 3572	1956	RdrCEF.exe	99
PID 1956 wrote to memory of 3572	1956	RdrCEF.exe	99
PID 1956 wrote to memory of 3572	1956	RdrCEF.exe	99
PID 1956 wrote to memory of 3572	1956	RdrCEF.exe	99
PID 1956 wrote to memory of 3572	1956	RdrCEF.exe	99
PID 1956 wrote to memory of 3572	1956	RdrCEF.exe	99
PID 1956 wrote to memory of 3572	1956	RdrCEF.exe	99
PID 1956 wrote to memory of 3572	1956	RdrCEF.exe	99
PID 1956 wrote to memory of 3572	1956	RdrCEF.exe	99
PID 1956 wrote to memory of 3572	1956	RdrCEF.exe	99
PID 1956 wrote to memory of 3572	1956	RdrCEF.exe	99
PID 1956 wrote to memory of 3572	1956	RdrCEF.exe	99
PID 1956 wrote to memory of 3572	1956	RdrCEF.exe	99
PID 1956 wrote to memory of 3572	1956	RdrCEF.exe	99
PID 1956 wrote to memory of 3572	1956	RdrCEF.exe	99
PID 1956 wrote to memory of 3572	1956	RdrCEF.exe	99
PID 1956 wrote to memory of 3572	1956	RdrCEF.exe	99
PID 1956 wrote to memory of 3572	1956	RdrCEF.exe	99
PID 1956 wrote to memory of 3572	1956	RdrCEF.exe	99
PID 1956 wrote to memory of 3572	1956	RdrCEF.exe	99
PID 1956 wrote to memory of 3572	1956	RdrCEF.exe	99
PID 1956 wrote to memory of 3572	1956	RdrCEF.exe	99
PID 1956 wrote to memory of 3572	1956	RdrCEF.exe	99
PID 1956 wrote to memory of 3572	1956	RdrCEF.exe	99
PID 1956 wrote to memory of 3572	1956	RdrCEF.exe	99
PID 1956 wrote to memory of 3572	1956	RdrCEF.exe	99
PID 1956 wrote to memory of 5112	1956	RdrCEF.exe	100
PID 1956 wrote to memory of 5112	1956	RdrCEF.exe	100
PID 1956 wrote to memory of 5112	1956	RdrCEF.exe	100
PID 1956 wrote to memory of 5112	1956	RdrCEF.exe	100
PID 1956 wrote to memory of 5112	1956	RdrCEF.exe	100
PID 1956 wrote to memory of 5112	1956	RdrCEF.exe	100
PID 1956 wrote to memory of 5112	1956	RdrCEF.exe	100
PID 1956 wrote to memory of 5112	1956	RdrCEF.exe	100
PID 1956 wrote to memory of 5112	1956	RdrCEF.exe	100
PID 1956 wrote to memory of 5112	1956	RdrCEF.exe	100
PID 1956 wrote to memory of 5112	1956	RdrCEF.exe	100
PID 1956 wrote to memory of 5112	1956	RdrCEF.exe	100
PID 1956 wrote to memory of 5112	1956	RdrCEF.exe	100
PID 1956 wrote to memory of 5112	1956	RdrCEF.exe	100

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\0357afaa2ff1a7b373d612695063304d.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:1588
- 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:2032
- 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:3020
- 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:1956
- - 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=0CED25D298A415246309C7071D78D7AC --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3572
- - 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=B44067DAD63D7B9BB428DF1681AEC841 --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=B44067DAD63D7B9BB428DF1681AEC841 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5112
- - 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=D43140B5B1D09EA6995DC1B380EFBA00 --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=D43140B5B1D09EA6995DC1B380EFBA00 --renderer-client-id=4 --mojo-platform-channel-handle=2180 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1256
- - 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=29C3CB6F3720B9ABEB9364B6899C0F42 --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4328
- - 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=EA7A7F4C8BFC3058524AD48EA58673B0 --mojo-platform-channel-handle=2596 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1448
- - 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=628ADB37B6F009C17657D6E10D853090 --mojo-platform-channel-handle=2780 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2168

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2984

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
77c5555b72acc4647375bef53ec6307e

SHA1
0efefb0247b5b594bda915f2404912e3097b8085

SHA256
6a1b5d154216f63a470110a508ad4fc16aacb7ee4b1c0e27478d20a44b778a46

SHA512
5ac4da4d02b701505b0dc0f04fcdabf1ecfce7b21df48154638dd0bb3c9417b763877ccf38e93998a78ccd84d61dcdc64e31ea77604db1aa6fe21f407df4b70e

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

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

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit