e305a409b6a4846a2a7ae9d18349d3b95d9f6028b6bf1f8e4cf649302a03ee93

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
19-03-2024 06:57

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General

Target

d57bc30a0df8a42d771bc64dae497a7d.pdf
Size

90KB
MD5

d57bc30a0df8a42d771bc64dae497a7d
SHA1

223133cbadfe6c1fb5957ef8e1230524faf9a915
SHA256

e305a409b6a4846a2a7ae9d18349d3b95d9f6028b6bf1f8e4cf649302a03ee93
SHA512

136ea0ed03b3cbc5c41a9cf35588037553187bb3f66a7cb8f264409d90a11753ad798287441cb9c2224c602d9759dcbbac2a6140ec00e7a15051d8a1462ebccd
SSDEEP

1536:N7ZF1DVTXMY835sWxfVPJjVrpKymYCEErekJ9NpjM3TTXGUWtLPlWQK9I+6KZLG:d1D5XM/5s6nRsymYCEi9Np8mUWtLPM9+

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-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1528	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe
1528	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1528 wrote to memory of 3520	1528	AcroRd32.exe	95
PID 1528 wrote to memory of 3520	1528	AcroRd32.exe	95
PID 1528 wrote to memory of 3520	1528	AcroRd32.exe	95
PID 3520 wrote to memory of 4608	3520	RdrCEF.exe	97
PID 3520 wrote to memory of 4608	3520	RdrCEF.exe	97
PID 3520 wrote to memory of 4608	3520	RdrCEF.exe	97
PID 3520 wrote to memory of 4608	3520	RdrCEF.exe	97
PID 3520 wrote to memory of 4608	3520	RdrCEF.exe	97
PID 3520 wrote to memory of 4608	3520	RdrCEF.exe	97
PID 3520 wrote to memory of 4608	3520	RdrCEF.exe	97
PID 3520 wrote to memory of 4608	3520	RdrCEF.exe	97
PID 3520 wrote to memory of 4608	3520	RdrCEF.exe	97
PID 3520 wrote to memory of 4608	3520	RdrCEF.exe	97
PID 3520 wrote to memory of 4608	3520	RdrCEF.exe	97
PID 3520 wrote to memory of 4608	3520	RdrCEF.exe	97
PID 3520 wrote to memory of 4608	3520	RdrCEF.exe	97
PID 3520 wrote to memory of 4608	3520	RdrCEF.exe	97
PID 3520 wrote to memory of 4608	3520	RdrCEF.exe	97
PID 3520 wrote to memory of 4608	3520	RdrCEF.exe	97
PID 3520 wrote to memory of 4608	3520	RdrCEF.exe	97
PID 3520 wrote to memory of 4608	3520	RdrCEF.exe	97
PID 3520 wrote to memory of 4608	3520	RdrCEF.exe	97
PID 3520 wrote to memory of 4608	3520	RdrCEF.exe	97
PID 3520 wrote to memory of 4608	3520	RdrCEF.exe	97
PID 3520 wrote to memory of 4608	3520	RdrCEF.exe	97
PID 3520 wrote to memory of 4608	3520	RdrCEF.exe	97
PID 3520 wrote to memory of 4608	3520	RdrCEF.exe	97
PID 3520 wrote to memory of 4608	3520	RdrCEF.exe	97
PID 3520 wrote to memory of 4608	3520	RdrCEF.exe	97
PID 3520 wrote to memory of 4608	3520	RdrCEF.exe	97
PID 3520 wrote to memory of 4608	3520	RdrCEF.exe	97
PID 3520 wrote to memory of 4608	3520	RdrCEF.exe	97
PID 3520 wrote to memory of 4608	3520	RdrCEF.exe	97
PID 3520 wrote to memory of 4608	3520	RdrCEF.exe	97
PID 3520 wrote to memory of 4608	3520	RdrCEF.exe	97
PID 3520 wrote to memory of 4608	3520	RdrCEF.exe	97
PID 3520 wrote to memory of 4608	3520	RdrCEF.exe	97
PID 3520 wrote to memory of 4608	3520	RdrCEF.exe	97
PID 3520 wrote to memory of 4608	3520	RdrCEF.exe	97
PID 3520 wrote to memory of 4608	3520	RdrCEF.exe	97
PID 3520 wrote to memory of 4608	3520	RdrCEF.exe	97
PID 3520 wrote to memory of 4608	3520	RdrCEF.exe	97
PID 3520 wrote to memory of 4608	3520	RdrCEF.exe	97
PID 3520 wrote to memory of 4608	3520	RdrCEF.exe	97
PID 3520 wrote to memory of 2116	3520	RdrCEF.exe	98
PID 3520 wrote to memory of 2116	3520	RdrCEF.exe	98
PID 3520 wrote to memory of 2116	3520	RdrCEF.exe	98
PID 3520 wrote to memory of 2116	3520	RdrCEF.exe	98
PID 3520 wrote to memory of 2116	3520	RdrCEF.exe	98
PID 3520 wrote to memory of 2116	3520	RdrCEF.exe	98
PID 3520 wrote to memory of 2116	3520	RdrCEF.exe	98
PID 3520 wrote to memory of 2116	3520	RdrCEF.exe	98
PID 3520 wrote to memory of 2116	3520	RdrCEF.exe	98
PID 3520 wrote to memory of 2116	3520	RdrCEF.exe	98
PID 3520 wrote to memory of 2116	3520	RdrCEF.exe	98
PID 3520 wrote to memory of 2116	3520	RdrCEF.exe	98
PID 3520 wrote to memory of 2116	3520	RdrCEF.exe	98
PID 3520 wrote to memory of 2116	3520	RdrCEF.exe	98
PID 3520 wrote to memory of 2116	3520	RdrCEF.exe	98
PID 3520 wrote to memory of 2116	3520	RdrCEF.exe	98
PID 3520 wrote to memory of 2116	3520	RdrCEF.exe	98
PID 3520 wrote to memory of 2116	3520	RdrCEF.exe	98
PID 3520 wrote to memory of 2116	3520	RdrCEF.exe	98
PID 3520 wrote to memory of 2116	3520	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\d57bc30a0df8a42d771bc64dae497a7d.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:1528
- 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:3520
- - 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=D6FB1E9EFFCE0129A20E96E478302C16 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4608
- - 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=0F68E30CBC6F2FA5FBC31AFE9CB71CB0 --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=0F68E30CBC6F2FA5FBC31AFE9CB71CB0 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2116
- - 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=C931EF17E49B23331267A43730AE32FE --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:224
- - 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=2062F94B6149B2AF11AD86AFB13E29FB --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=2062F94B6149B2AF11AD86AFB13E29FB --renderer-client-id=5 --mojo-platform-channel-handle=1864 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3868
- - 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=4F6E95BA8880A22C867FB6EA12943827 --mojo-platform-channel-handle=2696 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2832
- - 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=0FE5B7F1F2AA80D0913E57A737CAEA20 --mojo-platform-channel-handle=2784 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4888

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3964

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
bc70f2ef53e69fca4b5ca2bce99fbdcd

SHA1
f5107b3d4f519b1efe4bff6710ea1f911a2fb646

SHA256
f94ea769bb0d37c0c2ecc11942c1b83a4f8d32f7d2aee261491290a8078db2eb

SHA512
c8f1b3842bb9e2f27dffa7dd9d9c7bd61bd365be79c9439e4af8eb7bb8f47dc48b4762ed17fdb9e6053d758c5c7c1cb0a4b6ab4e6ba2046b9885cfad3acb4740

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/1528-26-0x000000000B7E0000-0x000000000B830000-memory.dmp

Filesize
320KB

Download
memory/1528-27-0x000000000B7E0000-0x000000000B801000-memory.dmp

Filesize
132KB

Download