ca336f990003075fbf8f9e1f6f19ad190a038be3d926984aec8826db5f879894

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
06/03/2024, 17:37

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General

Target

b7fb2d91774b71e93e7a5bb5e90e68db.pdf
Size

61KB
MD5

b7fb2d91774b71e93e7a5bb5e90e68db
SHA1

66ddb90d4303332d5da5f7d00ea53e4701ada94e
SHA256

ca336f990003075fbf8f9e1f6f19ad190a038be3d926984aec8826db5f879894
SHA512

bcde11c77817a8cc6ef131066b924146c33b7789071830c5662d101c583224c256e89297df07bad58ec5746dead95a43ac8f28ca83a6e7cb12a0fe2becf25403
SSDEEP

1536:ZCCpZL+PX1ZfXh2dAiRyUMSLF/U+csgbX1l3fE5P12h/f:1ZL+/bfIdAiIqhsNzvOMZf

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-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe

Suspicious use of SetWindowsHookEx 8 IoCs

pid	Process
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe
3732	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3732 wrote to memory of 4408	3732	AcroRd32.exe	92
PID 3732 wrote to memory of 4408	3732	AcroRd32.exe	92
PID 3732 wrote to memory of 4408	3732	AcroRd32.exe	92
PID 4408 wrote to memory of 3884	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 3884	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 3884	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 3884	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 3884	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 3884	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 3884	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 3884	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 3884	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 3884	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 3884	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 3884	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 3884	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 3884	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 3884	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 3884	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 3884	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 3884	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 3884	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 3884	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 3884	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 3884	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 3884	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 3884	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 3884	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 3884	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 3884	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 3884	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 3884	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 3884	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 3884	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 3884	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 3884	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 3884	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 3884	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 3884	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 3884	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 3884	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 3884	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 3884	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 3884	4408	RdrCEF.exe	93
PID 4408 wrote to memory of 332	4408	RdrCEF.exe	94
PID 4408 wrote to memory of 332	4408	RdrCEF.exe	94
PID 4408 wrote to memory of 332	4408	RdrCEF.exe	94
PID 4408 wrote to memory of 332	4408	RdrCEF.exe	94
PID 4408 wrote to memory of 332	4408	RdrCEF.exe	94
PID 4408 wrote to memory of 332	4408	RdrCEF.exe	94
PID 4408 wrote to memory of 332	4408	RdrCEF.exe	94
PID 4408 wrote to memory of 332	4408	RdrCEF.exe	94
PID 4408 wrote to memory of 332	4408	RdrCEF.exe	94
PID 4408 wrote to memory of 332	4408	RdrCEF.exe	94
PID 4408 wrote to memory of 332	4408	RdrCEF.exe	94
PID 4408 wrote to memory of 332	4408	RdrCEF.exe	94
PID 4408 wrote to memory of 332	4408	RdrCEF.exe	94
PID 4408 wrote to memory of 332	4408	RdrCEF.exe	94
PID 4408 wrote to memory of 332	4408	RdrCEF.exe	94
PID 4408 wrote to memory of 332	4408	RdrCEF.exe	94
PID 4408 wrote to memory of 332	4408	RdrCEF.exe	94
PID 4408 wrote to memory of 332	4408	RdrCEF.exe	94
PID 4408 wrote to memory of 332	4408	RdrCEF.exe	94
PID 4408 wrote to memory of 332	4408	RdrCEF.exe	94

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\b7fb2d91774b71e93e7a5bb5e90e68db.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3732
- 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:4408
- - 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=B83B7CDB8A1C225AB07561274FECF811 --mojo-platform-channel-handle=1720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3884
- - 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=41A282C3CDE6E29C6C1D152F891CD152 --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=41A282C3CDE6E29C6C1D152F891CD152 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:332
- - 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=1D6AE0ECD92DD346777A5268261F465E --mojo-platform-channel-handle=2140 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2348
- - 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=F4DB2003B720841A0914EC6E9E5F843B --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:232
- - 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=24B4E57BBAE2EE01B9B04F7D302DD9E4 --mojo-platform-channel-handle=1988 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2288
- - 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=4563A27C12690AB9A3E8F3A926D115CC --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=4563A27C12690AB9A3E8F3A926D115CC --renderer-client-id=8 --mojo-platform-channel-handle=2536 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4940

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:752

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

Loading Replay Monitor...

Downloads

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

Filesize
64KB

MD5
0432ea57eed75a1475c12a544d60a3af

SHA1
07ee16e2252233f0cc348d03f9d87695f5830b65

SHA256
4fe0e121239a0f4ee8d5723ea1d942f333434030192746b33437ae5c93bff6af

SHA512
9fe715130110cb7d56f1f5bce49abcd30ef668afd61b0fb45f1a6699900713485f4ff17d2fabedb863c12eedcb24d1ceb3f22e54f7b770932447ae0cabd9fde8

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