1ebeee8295fa72b6267cd6b69330f93429bbb74ba644c8ba19f97491b8484648

Analysis

max time kernel
142s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/01/2024, 11:05

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General

Target

748818ba13d3dca76c6585345dc0b30e.pdf
Size

77KB
MD5

748818ba13d3dca76c6585345dc0b30e
SHA1

829443aeb3b403071bfa546365c0dc5ec09e97b0
SHA256

1ebeee8295fa72b6267cd6b69330f93429bbb74ba644c8ba19f97491b8484648
SHA512

c6616e4cb0872d68a014745835a468b11606bbd4eeb53c978a7a7980e6d2e5eb21018761d677328510fab80032e55923df213521848c36f9859f666c452b548b
SSDEEP

1536:urh3tv7/ZYwsnwOg+zqJCi3dWBPGz6Iy4NNgjGWbc6FYoV8eTeLWUpO7MdJ:EFZ5swOg+z3i3dKP3wM26vtee72

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
1436	AcroRd32.exe
1436	AcroRd32.exe
1436	AcroRd32.exe
1436	AcroRd32.exe
1436	AcroRd32.exe
1436	AcroRd32.exe
1436	AcroRd32.exe
1436	AcroRd32.exe
1436	AcroRd32.exe
1436	AcroRd32.exe
1436	AcroRd32.exe
1436	AcroRd32.exe
1436	AcroRd32.exe
1436	AcroRd32.exe
1436	AcroRd32.exe
1436	AcroRd32.exe
1436	AcroRd32.exe
1436	AcroRd32.exe
1436	AcroRd32.exe
1436	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1436	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1436	AcroRd32.exe
1436	AcroRd32.exe
1436	AcroRd32.exe
1436	AcroRd32.exe
1436	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1436 wrote to memory of 2684	1436	AcroRd32.exe	91
PID 1436 wrote to memory of 2684	1436	AcroRd32.exe	91
PID 1436 wrote to memory of 2684	1436	AcroRd32.exe	91
PID 2684 wrote to memory of 1892	2684	RdrCEF.exe	93
PID 2684 wrote to memory of 1892	2684	RdrCEF.exe	93
PID 2684 wrote to memory of 1892	2684	RdrCEF.exe	93
PID 2684 wrote to memory of 1892	2684	RdrCEF.exe	93
PID 2684 wrote to memory of 1892	2684	RdrCEF.exe	93
PID 2684 wrote to memory of 1892	2684	RdrCEF.exe	93
PID 2684 wrote to memory of 1892	2684	RdrCEF.exe	93
PID 2684 wrote to memory of 1892	2684	RdrCEF.exe	93
PID 2684 wrote to memory of 1892	2684	RdrCEF.exe	93
PID 2684 wrote to memory of 1892	2684	RdrCEF.exe	93
PID 2684 wrote to memory of 1892	2684	RdrCEF.exe	93
PID 2684 wrote to memory of 1892	2684	RdrCEF.exe	93
PID 2684 wrote to memory of 1892	2684	RdrCEF.exe	93
PID 2684 wrote to memory of 1892	2684	RdrCEF.exe	93
PID 2684 wrote to memory of 1892	2684	RdrCEF.exe	93
PID 2684 wrote to memory of 1892	2684	RdrCEF.exe	93
PID 2684 wrote to memory of 1892	2684	RdrCEF.exe	93
PID 2684 wrote to memory of 1892	2684	RdrCEF.exe	93
PID 2684 wrote to memory of 1892	2684	RdrCEF.exe	93
PID 2684 wrote to memory of 1892	2684	RdrCEF.exe	93
PID 2684 wrote to memory of 1892	2684	RdrCEF.exe	93
PID 2684 wrote to memory of 1892	2684	RdrCEF.exe	93
PID 2684 wrote to memory of 1892	2684	RdrCEF.exe	93
PID 2684 wrote to memory of 1892	2684	RdrCEF.exe	93
PID 2684 wrote to memory of 1892	2684	RdrCEF.exe	93
PID 2684 wrote to memory of 1892	2684	RdrCEF.exe	93
PID 2684 wrote to memory of 1892	2684	RdrCEF.exe	93
PID 2684 wrote to memory of 1892	2684	RdrCEF.exe	93
PID 2684 wrote to memory of 1892	2684	RdrCEF.exe	93
PID 2684 wrote to memory of 1892	2684	RdrCEF.exe	93
PID 2684 wrote to memory of 1892	2684	RdrCEF.exe	93
PID 2684 wrote to memory of 1892	2684	RdrCEF.exe	93
PID 2684 wrote to memory of 1892	2684	RdrCEF.exe	93
PID 2684 wrote to memory of 1892	2684	RdrCEF.exe	93
PID 2684 wrote to memory of 1892	2684	RdrCEF.exe	93
PID 2684 wrote to memory of 1892	2684	RdrCEF.exe	93
PID 2684 wrote to memory of 1892	2684	RdrCEF.exe	93
PID 2684 wrote to memory of 1892	2684	RdrCEF.exe	93
PID 2684 wrote to memory of 1892	2684	RdrCEF.exe	93
PID 2684 wrote to memory of 1892	2684	RdrCEF.exe	93
PID 2684 wrote to memory of 1892	2684	RdrCEF.exe	93
PID 2684 wrote to memory of 2256	2684	RdrCEF.exe	94
PID 2684 wrote to memory of 2256	2684	RdrCEF.exe	94
PID 2684 wrote to memory of 2256	2684	RdrCEF.exe	94
PID 2684 wrote to memory of 2256	2684	RdrCEF.exe	94
PID 2684 wrote to memory of 2256	2684	RdrCEF.exe	94
PID 2684 wrote to memory of 2256	2684	RdrCEF.exe	94
PID 2684 wrote to memory of 2256	2684	RdrCEF.exe	94
PID 2684 wrote to memory of 2256	2684	RdrCEF.exe	94
PID 2684 wrote to memory of 2256	2684	RdrCEF.exe	94
PID 2684 wrote to memory of 2256	2684	RdrCEF.exe	94
PID 2684 wrote to memory of 2256	2684	RdrCEF.exe	94
PID 2684 wrote to memory of 2256	2684	RdrCEF.exe	94
PID 2684 wrote to memory of 2256	2684	RdrCEF.exe	94
PID 2684 wrote to memory of 2256	2684	RdrCEF.exe	94
PID 2684 wrote to memory of 2256	2684	RdrCEF.exe	94
PID 2684 wrote to memory of 2256	2684	RdrCEF.exe	94
PID 2684 wrote to memory of 2256	2684	RdrCEF.exe	94
PID 2684 wrote to memory of 2256	2684	RdrCEF.exe	94
PID 2684 wrote to memory of 2256	2684	RdrCEF.exe	94
PID 2684 wrote to memory of 2256	2684	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\748818ba13d3dca76c6585345dc0b30e.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:1436
- 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:2684
- - 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=EBBD0130DF59441E5583979172E3F8AD --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1892
- - 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=F40AC2A3038DBBC71D4E53EFB585AE6A --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=F40AC2A3038DBBC71D4E53EFB585AE6A --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2256
- - 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=6F6A652A305A2517096841BDCFDBF425 --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=6F6A652A305A2517096841BDCFDBF425 --renderer-client-id=4 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1700
- - 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=CC165EB918DA1E86081B99A7BDE829ED --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4872
- - 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=B370F2FC1C1B9390F72CE383998A528A --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3424
- - 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=C09982B2876DB2A633DAEBC31484ED7B --mojo-platform-channel-handle=2652 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:912

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3940

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
1882bd46527b0018a1625b2c901366d1

SHA1
9140063555b9c03298e8711aa86515c893e2f975

SHA256
00bfc2070e4b313fec30e28cde3ef68d08dc25cc5254c50591eefc8e858383fb

SHA512
c65af2588c82a0efd0a643340789760804c5a1968a7fc53a40cda0078169948645b1d67f3bcbcbbe5c77a3c335fccfda98f7346c25877b51e8831e3c79d627aa

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