da4079aaf5ad529bd30244488aabf886d537da6616536850c92d1637f8fadcc1

Analysis

max time kernel
160s
max time network
175s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
11/01/2024, 20:07

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General

Target

54759e6eb722d08b12e13f663ecbd2ff.pdf
Size

45KB
MD5

54759e6eb722d08b12e13f663ecbd2ff
SHA1

4f6bce07213ca29e8652b91feec0e7ad29eaccf6
SHA256

da4079aaf5ad529bd30244488aabf886d537da6616536850c92d1637f8fadcc1
SHA512

1c73e24cbe04f2eccff51b63420cea1aee3b9fc95136c060208d01bd7be9ffc1d1cad27299350ddd231613c27e947fe108baf5519975bc663ed233d781387410
SSDEEP

768:eobZdbBX5/re8o0qaCqwIewtG4N7oRSoem72uZjc89UDLVVd:eyZdbloaCSeK7aSoem72u5a3d

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4076	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe
4076	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4076 wrote to memory of 1512	4076	AcroRd32.exe	95
PID 4076 wrote to memory of 1512	4076	AcroRd32.exe	95
PID 4076 wrote to memory of 1512	4076	AcroRd32.exe	95
PID 1512 wrote to memory of 4380	1512	RdrCEF.exe	96
PID 1512 wrote to memory of 4380	1512	RdrCEF.exe	96
PID 1512 wrote to memory of 4380	1512	RdrCEF.exe	96
PID 1512 wrote to memory of 4380	1512	RdrCEF.exe	96
PID 1512 wrote to memory of 4380	1512	RdrCEF.exe	96
PID 1512 wrote to memory of 4380	1512	RdrCEF.exe	96
PID 1512 wrote to memory of 4380	1512	RdrCEF.exe	96
PID 1512 wrote to memory of 4380	1512	RdrCEF.exe	96
PID 1512 wrote to memory of 4380	1512	RdrCEF.exe	96
PID 1512 wrote to memory of 4380	1512	RdrCEF.exe	96
PID 1512 wrote to memory of 4380	1512	RdrCEF.exe	96
PID 1512 wrote to memory of 4380	1512	RdrCEF.exe	96
PID 1512 wrote to memory of 4380	1512	RdrCEF.exe	96
PID 1512 wrote to memory of 4380	1512	RdrCEF.exe	96
PID 1512 wrote to memory of 4380	1512	RdrCEF.exe	96
PID 1512 wrote to memory of 4380	1512	RdrCEF.exe	96
PID 1512 wrote to memory of 4380	1512	RdrCEF.exe	96
PID 1512 wrote to memory of 4380	1512	RdrCEF.exe	96
PID 1512 wrote to memory of 4380	1512	RdrCEF.exe	96
PID 1512 wrote to memory of 4380	1512	RdrCEF.exe	96
PID 1512 wrote to memory of 4380	1512	RdrCEF.exe	96
PID 1512 wrote to memory of 4380	1512	RdrCEF.exe	96
PID 1512 wrote to memory of 4380	1512	RdrCEF.exe	96
PID 1512 wrote to memory of 4380	1512	RdrCEF.exe	96
PID 1512 wrote to memory of 4380	1512	RdrCEF.exe	96
PID 1512 wrote to memory of 4380	1512	RdrCEF.exe	96
PID 1512 wrote to memory of 4380	1512	RdrCEF.exe	96
PID 1512 wrote to memory of 4380	1512	RdrCEF.exe	96
PID 1512 wrote to memory of 4380	1512	RdrCEF.exe	96
PID 1512 wrote to memory of 4380	1512	RdrCEF.exe	96
PID 1512 wrote to memory of 4380	1512	RdrCEF.exe	96
PID 1512 wrote to memory of 4380	1512	RdrCEF.exe	96
PID 1512 wrote to memory of 4380	1512	RdrCEF.exe	96
PID 1512 wrote to memory of 4380	1512	RdrCEF.exe	96
PID 1512 wrote to memory of 4380	1512	RdrCEF.exe	96
PID 1512 wrote to memory of 4380	1512	RdrCEF.exe	96
PID 1512 wrote to memory of 4380	1512	RdrCEF.exe	96
PID 1512 wrote to memory of 4380	1512	RdrCEF.exe	96
PID 1512 wrote to memory of 4380	1512	RdrCEF.exe	96
PID 1512 wrote to memory of 4380	1512	RdrCEF.exe	96
PID 1512 wrote to memory of 4380	1512	RdrCEF.exe	96
PID 1512 wrote to memory of 3604	1512	RdrCEF.exe	97
PID 1512 wrote to memory of 3604	1512	RdrCEF.exe	97
PID 1512 wrote to memory of 3604	1512	RdrCEF.exe	97
PID 1512 wrote to memory of 3604	1512	RdrCEF.exe	97
PID 1512 wrote to memory of 3604	1512	RdrCEF.exe	97
PID 1512 wrote to memory of 3604	1512	RdrCEF.exe	97
PID 1512 wrote to memory of 3604	1512	RdrCEF.exe	97
PID 1512 wrote to memory of 3604	1512	RdrCEF.exe	97
PID 1512 wrote to memory of 3604	1512	RdrCEF.exe	97
PID 1512 wrote to memory of 3604	1512	RdrCEF.exe	97
PID 1512 wrote to memory of 3604	1512	RdrCEF.exe	97
PID 1512 wrote to memory of 3604	1512	RdrCEF.exe	97
PID 1512 wrote to memory of 3604	1512	RdrCEF.exe	97
PID 1512 wrote to memory of 3604	1512	RdrCEF.exe	97
PID 1512 wrote to memory of 3604	1512	RdrCEF.exe	97
PID 1512 wrote to memory of 3604	1512	RdrCEF.exe	97
PID 1512 wrote to memory of 3604	1512	RdrCEF.exe	97
PID 1512 wrote to memory of 3604	1512	RdrCEF.exe	97
PID 1512 wrote to memory of 3604	1512	RdrCEF.exe	97
PID 1512 wrote to memory of 3604	1512	RdrCEF.exe	97

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\54759e6eb722d08b12e13f663ecbd2ff.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:4076
- 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:1512
- - 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=7F14B15429ACEEF59B9CBB3032498ABC --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4380
- - 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=93FB2BA615F12501EB003EF42367F384 --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=93FB2BA615F12501EB003EF42367F384 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3604
- - 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=53AA974B87EAC87755E933CF06F014BE --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=53AA974B87EAC87755E933CF06F014BE --renderer-client-id=4 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4452
- - 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=7D6B076F65688F7F41C7AC89CA1AEE54 --mojo-platform-channel-handle=2416 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3220
- - 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=D481B249237E2E29961B35EEE0AD4942 --mojo-platform-channel-handle=2024 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4948
- - 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=BD9ED00B6E8F9A776CB2BF74F513808F --mojo-platform-channel-handle=2692 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2460

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1748

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
99bbbe4fec225edf6369505edaa174c0

SHA1
1c922df708cd0cddf731c74b26fb08dade1d47a0

SHA256
2f19800db9d648b6759c2632281cb362725593f968b6865b29706b3287d91e86

SHA512
87e40b26a37d80e5e61cf955f25dc6e97e9f252592ae69d666beee2692e5eaa87725897b4dfd84871c7a3ecafc43955ff466899ebfdeb1f7634fe8e5b8aca7c8

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