055f6eb11e40a25207b1b4dbaf02047c03cdb57ec4ea3a515a9cd493346368ee

Analysis

max time kernel
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 22:54

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General

Target

1f183a5c05b8877d74d581a26387937c.pdf
Size

88KB
MD5

1f183a5c05b8877d74d581a26387937c
SHA1

e95d3f5f306d9a3d56eb3fd6450defabb7a99712
SHA256

055f6eb11e40a25207b1b4dbaf02047c03cdb57ec4ea3a515a9cd493346368ee
SHA512

2637bed056fff827cc77dbc1d3a65f0ec62b4dcdfdcea7b192f7644b38e8d9a4cab96dea2b687ed181a3accb8f6f4a0e3d79fc0f3f1447a8e32617d12c3c6dec
SSDEEP

1536:Kg3/tXFcXCuItL/EN+t01QLx+CYWjVHMDQTSUUupka0Q3777WB4HsT89Zl5geUNq:d311cXDsL8+0OLLJjVsDzUUupkpely+3

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4632	AcroRd32.exe
4632	AcroRd32.exe
4632	AcroRd32.exe
4632	AcroRd32.exe
4632	AcroRd32.exe
4632	AcroRd32.exe
4632	AcroRd32.exe
4632	AcroRd32.exe
4632	AcroRd32.exe
4632	AcroRd32.exe
4632	AcroRd32.exe
4632	AcroRd32.exe
4632	AcroRd32.exe
4632	AcroRd32.exe
4632	AcroRd32.exe
4632	AcroRd32.exe
4632	AcroRd32.exe
4632	AcroRd32.exe
4632	AcroRd32.exe
4632	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4632	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4632	AcroRd32.exe
4632	AcroRd32.exe
4632	AcroRd32.exe
4632	AcroRd32.exe
4632	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4632 wrote to memory of 1780	4632	AcroRd32.exe	90
PID 4632 wrote to memory of 1780	4632	AcroRd32.exe	90
PID 4632 wrote to memory of 1780	4632	AcroRd32.exe	90
PID 1780 wrote to memory of 4960	1780	RdrCEF.exe	92
PID 1780 wrote to memory of 4960	1780	RdrCEF.exe	92
PID 1780 wrote to memory of 4960	1780	RdrCEF.exe	92
PID 1780 wrote to memory of 4960	1780	RdrCEF.exe	92
PID 1780 wrote to memory of 4960	1780	RdrCEF.exe	92
PID 1780 wrote to memory of 4960	1780	RdrCEF.exe	92
PID 1780 wrote to memory of 4960	1780	RdrCEF.exe	92
PID 1780 wrote to memory of 4960	1780	RdrCEF.exe	92
PID 1780 wrote to memory of 4960	1780	RdrCEF.exe	92
PID 1780 wrote to memory of 4960	1780	RdrCEF.exe	92
PID 1780 wrote to memory of 4960	1780	RdrCEF.exe	92
PID 1780 wrote to memory of 4960	1780	RdrCEF.exe	92
PID 1780 wrote to memory of 4960	1780	RdrCEF.exe	92
PID 1780 wrote to memory of 4960	1780	RdrCEF.exe	92
PID 1780 wrote to memory of 4960	1780	RdrCEF.exe	92
PID 1780 wrote to memory of 4960	1780	RdrCEF.exe	92
PID 1780 wrote to memory of 4960	1780	RdrCEF.exe	92
PID 1780 wrote to memory of 4960	1780	RdrCEF.exe	92
PID 1780 wrote to memory of 4960	1780	RdrCEF.exe	92
PID 1780 wrote to memory of 4960	1780	RdrCEF.exe	92
PID 1780 wrote to memory of 4960	1780	RdrCEF.exe	92
PID 1780 wrote to memory of 4960	1780	RdrCEF.exe	92
PID 1780 wrote to memory of 4960	1780	RdrCEF.exe	92
PID 1780 wrote to memory of 4960	1780	RdrCEF.exe	92
PID 1780 wrote to memory of 4960	1780	RdrCEF.exe	92
PID 1780 wrote to memory of 4960	1780	RdrCEF.exe	92
PID 1780 wrote to memory of 4960	1780	RdrCEF.exe	92
PID 1780 wrote to memory of 4960	1780	RdrCEF.exe	92
PID 1780 wrote to memory of 4960	1780	RdrCEF.exe	92
PID 1780 wrote to memory of 4960	1780	RdrCEF.exe	92
PID 1780 wrote to memory of 4960	1780	RdrCEF.exe	92
PID 1780 wrote to memory of 4960	1780	RdrCEF.exe	92
PID 1780 wrote to memory of 4960	1780	RdrCEF.exe	92
PID 1780 wrote to memory of 4960	1780	RdrCEF.exe	92
PID 1780 wrote to memory of 4960	1780	RdrCEF.exe	92
PID 1780 wrote to memory of 4960	1780	RdrCEF.exe	92
PID 1780 wrote to memory of 4960	1780	RdrCEF.exe	92
PID 1780 wrote to memory of 4960	1780	RdrCEF.exe	92
PID 1780 wrote to memory of 4960	1780	RdrCEF.exe	92
PID 1780 wrote to memory of 4960	1780	RdrCEF.exe	92
PID 1780 wrote to memory of 4960	1780	RdrCEF.exe	92
PID 1780 wrote to memory of 3428	1780	RdrCEF.exe	91
PID 1780 wrote to memory of 3428	1780	RdrCEF.exe	91
PID 1780 wrote to memory of 3428	1780	RdrCEF.exe	91
PID 1780 wrote to memory of 3428	1780	RdrCEF.exe	91
PID 1780 wrote to memory of 3428	1780	RdrCEF.exe	91
PID 1780 wrote to memory of 3428	1780	RdrCEF.exe	91
PID 1780 wrote to memory of 3428	1780	RdrCEF.exe	91
PID 1780 wrote to memory of 3428	1780	RdrCEF.exe	91
PID 1780 wrote to memory of 3428	1780	RdrCEF.exe	91
PID 1780 wrote to memory of 3428	1780	RdrCEF.exe	91
PID 1780 wrote to memory of 3428	1780	RdrCEF.exe	91
PID 1780 wrote to memory of 3428	1780	RdrCEF.exe	91
PID 1780 wrote to memory of 3428	1780	RdrCEF.exe	91
PID 1780 wrote to memory of 3428	1780	RdrCEF.exe	91
PID 1780 wrote to memory of 3428	1780	RdrCEF.exe	91
PID 1780 wrote to memory of 3428	1780	RdrCEF.exe	91
PID 1780 wrote to memory of 3428	1780	RdrCEF.exe	91
PID 1780 wrote to memory of 3428	1780	RdrCEF.exe	91
PID 1780 wrote to memory of 3428	1780	RdrCEF.exe	91
PID 1780 wrote to memory of 3428	1780	RdrCEF.exe	91

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\1f183a5c05b8877d74d581a26387937c.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:4632
- 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:1780
- - 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=9F3582AD28F24523FC64EBD8322B15C5 --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=9F3582AD28F24523FC64EBD8322B15C5 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3428
- - 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=1E86A30856F3E09285C59CEB8F0A639E --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4960
- - 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=578A54EFC2871F4380D89D080B4BCCC0 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4048
- - 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=035DFAF843ACAC7F0FE3B79DC70A6329 --mojo-platform-channel-handle=1936 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3948
- - 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=AA2235FBE7079438293E02DF61FABBD5 --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1364
- - 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=2295840B8DC3D3325B289EFB810678DA --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=2295840B8DC3D3325B289EFB810678DA --renderer-client-id=8 --mojo-platform-channel-handle=2364 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:372

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2532

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
d5dd3bb7e579d8f35e52048bb629bb8f

SHA1
8fa2825f733b24273fec5d94c9b77f984c74c11b

SHA256
e452000b8cdfedaa70a37e9599580972c0c4de8ccd67a15692198c0ccff0ac77

SHA512
c86aa9222ad5e08518f2d1a910423f31b1a0fb2ddb18b9aa9554a7af99f41596b297fb0de428e42424a939a2a253fd28f7b1609ca935229f853ae87f4794c1e8

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