dd7c49b7488d725159f75c4767e184ed45007b9c5ce1fa179b4e3b11bf6f87db

Analysis

max time kernel
142s
max time network
155s
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 09:28

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General

Target

53249afab3bb4504e38591b39969fc9e.pdf
Size

16KB
MD5

53249afab3bb4504e38591b39969fc9e
SHA1

00bd13f34998c57d1884c20708dd4219d0961f7a
SHA256

dd7c49b7488d725159f75c4767e184ed45007b9c5ce1fa179b4e3b11bf6f87db
SHA512

fa367420a37ff63353122b4301de09bc4d343de9b5182f2d43f08f2ef3fc7472430c060dd2d54e2898039fd732df1716d8a559f536b50af4f3f2206b66be72b4
SSDEEP

384:SsFlS3K6XgKV7cAgdOpW+0nomTRbxl9a+5+WvVnbaFp1ssWt:SgGzpDQfTbOMVtban1Et

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
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe
4768	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4768 wrote to memory of 1348	4768	AcroRd32.exe	93
PID 4768 wrote to memory of 1348	4768	AcroRd32.exe	93
PID 4768 wrote to memory of 1348	4768	AcroRd32.exe	93
PID 1348 wrote to memory of 2336	1348	RdrCEF.exe	96
PID 1348 wrote to memory of 2336	1348	RdrCEF.exe	96
PID 1348 wrote to memory of 2336	1348	RdrCEF.exe	96
PID 1348 wrote to memory of 2336	1348	RdrCEF.exe	96
PID 1348 wrote to memory of 2336	1348	RdrCEF.exe	96
PID 1348 wrote to memory of 2336	1348	RdrCEF.exe	96
PID 1348 wrote to memory of 2336	1348	RdrCEF.exe	96
PID 1348 wrote to memory of 2336	1348	RdrCEF.exe	96
PID 1348 wrote to memory of 2336	1348	RdrCEF.exe	96
PID 1348 wrote to memory of 2336	1348	RdrCEF.exe	96
PID 1348 wrote to memory of 2336	1348	RdrCEF.exe	96
PID 1348 wrote to memory of 2336	1348	RdrCEF.exe	96
PID 1348 wrote to memory of 2336	1348	RdrCEF.exe	96
PID 1348 wrote to memory of 2336	1348	RdrCEF.exe	96
PID 1348 wrote to memory of 2336	1348	RdrCEF.exe	96
PID 1348 wrote to memory of 2336	1348	RdrCEF.exe	96
PID 1348 wrote to memory of 2336	1348	RdrCEF.exe	96
PID 1348 wrote to memory of 2336	1348	RdrCEF.exe	96
PID 1348 wrote to memory of 2336	1348	RdrCEF.exe	96
PID 1348 wrote to memory of 2336	1348	RdrCEF.exe	96
PID 1348 wrote to memory of 2336	1348	RdrCEF.exe	96
PID 1348 wrote to memory of 2336	1348	RdrCEF.exe	96
PID 1348 wrote to memory of 2336	1348	RdrCEF.exe	96
PID 1348 wrote to memory of 2336	1348	RdrCEF.exe	96
PID 1348 wrote to memory of 2336	1348	RdrCEF.exe	96
PID 1348 wrote to memory of 2336	1348	RdrCEF.exe	96
PID 1348 wrote to memory of 2336	1348	RdrCEF.exe	96
PID 1348 wrote to memory of 2336	1348	RdrCEF.exe	96
PID 1348 wrote to memory of 2336	1348	RdrCEF.exe	96
PID 1348 wrote to memory of 2336	1348	RdrCEF.exe	96
PID 1348 wrote to memory of 2336	1348	RdrCEF.exe	96
PID 1348 wrote to memory of 2336	1348	RdrCEF.exe	96
PID 1348 wrote to memory of 2336	1348	RdrCEF.exe	96
PID 1348 wrote to memory of 2336	1348	RdrCEF.exe	96
PID 1348 wrote to memory of 2336	1348	RdrCEF.exe	96
PID 1348 wrote to memory of 2336	1348	RdrCEF.exe	96
PID 1348 wrote to memory of 2336	1348	RdrCEF.exe	96
PID 1348 wrote to memory of 2336	1348	RdrCEF.exe	96
PID 1348 wrote to memory of 2336	1348	RdrCEF.exe	96
PID 1348 wrote to memory of 2336	1348	RdrCEF.exe	96
PID 1348 wrote to memory of 2336	1348	RdrCEF.exe	96
PID 1348 wrote to memory of 3252	1348	RdrCEF.exe	97
PID 1348 wrote to memory of 3252	1348	RdrCEF.exe	97
PID 1348 wrote to memory of 3252	1348	RdrCEF.exe	97
PID 1348 wrote to memory of 3252	1348	RdrCEF.exe	97
PID 1348 wrote to memory of 3252	1348	RdrCEF.exe	97
PID 1348 wrote to memory of 3252	1348	RdrCEF.exe	97
PID 1348 wrote to memory of 3252	1348	RdrCEF.exe	97
PID 1348 wrote to memory of 3252	1348	RdrCEF.exe	97
PID 1348 wrote to memory of 3252	1348	RdrCEF.exe	97
PID 1348 wrote to memory of 3252	1348	RdrCEF.exe	97
PID 1348 wrote to memory of 3252	1348	RdrCEF.exe	97
PID 1348 wrote to memory of 3252	1348	RdrCEF.exe	97
PID 1348 wrote to memory of 3252	1348	RdrCEF.exe	97
PID 1348 wrote to memory of 3252	1348	RdrCEF.exe	97
PID 1348 wrote to memory of 3252	1348	RdrCEF.exe	97
PID 1348 wrote to memory of 3252	1348	RdrCEF.exe	97
PID 1348 wrote to memory of 3252	1348	RdrCEF.exe	97
PID 1348 wrote to memory of 3252	1348	RdrCEF.exe	97
PID 1348 wrote to memory of 3252	1348	RdrCEF.exe	97
PID 1348 wrote to memory of 3252	1348	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\53249afab3bb4504e38591b39969fc9e.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4768
- 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:1348
- - 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=22CA551AB34A22AF7AF14248B029EA82 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2336
- - 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=5A0110B0EB3479727364AFF2CC072081 --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=5A0110B0EB3479727364AFF2CC072081 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3252
- - 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=34C94E877A36A84C97BA163BFD3F6B05 --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1212
- - 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=88375EDABE0DBC6165E7D894BDFF3B35 --mojo-platform-channel-handle=1712 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2944
- - 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=4422A40267302F57AEC355225B9E7808 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2028

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4936

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
9c892819b3f7ff933d140240fa363d81

SHA1
2058205430ba14701d5cd09417467b4fe97e02b1

SHA256
5082bcdca5e7822ed2c9fdfffa7d14c2537bf8cbd8c43bbcdccbd787ce6c240f

SHA512
2020cf72cd893926235da14afa848d6a2d1b5ac221091951905d176fedbfa383ae602234659fa5f8cda8c0d792a1a2d3aaf9e8e4aa2a9a5214ee8ae1ccb9eb4d

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