acdddd3491c59ad48c012878dd0b2129b3d3df8a66cd845a34ae876c809404df

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
25-02-2024 11:04

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General

Target

a39ea5d822265270de78b3659e0be6a7.pdf
Size

12KB
MD5

a39ea5d822265270de78b3659e0be6a7
SHA1

17ca2a7531a043dc9ca995f4ecf1ca528918a7b9
SHA256

acdddd3491c59ad48c012878dd0b2129b3d3df8a66cd845a34ae876c809404df
SHA512

a028aa5a97177e12a53a3940def2d98602d0c2da77c63e6a4bc39036149958c6fd584e4722b86f3a0f73064aff88cc6fa4c92e39833de31eb76246914c004385
SSDEEP

384:bONbedw+lJ5W4imHmomOmem7mlBZ1fqtIAtk7rNy33:hBnfqtIAtk7rNyH

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-1-5-21-1790404759-2178872477-2616469472-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4776	AcroRd32.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe
4776	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4776 wrote to memory of 4560	4776	AcroRd32.exe	90
PID 4776 wrote to memory of 4560	4776	AcroRd32.exe	90
PID 4776 wrote to memory of 4560	4776	AcroRd32.exe	90
PID 4560 wrote to memory of 3928	4560	RdrCEF.exe	91
PID 4560 wrote to memory of 3928	4560	RdrCEF.exe	91
PID 4560 wrote to memory of 3928	4560	RdrCEF.exe	91
PID 4560 wrote to memory of 3928	4560	RdrCEF.exe	91
PID 4560 wrote to memory of 3928	4560	RdrCEF.exe	91
PID 4560 wrote to memory of 3928	4560	RdrCEF.exe	91
PID 4560 wrote to memory of 3928	4560	RdrCEF.exe	91
PID 4560 wrote to memory of 3928	4560	RdrCEF.exe	91
PID 4560 wrote to memory of 3928	4560	RdrCEF.exe	91
PID 4560 wrote to memory of 3928	4560	RdrCEF.exe	91
PID 4560 wrote to memory of 3928	4560	RdrCEF.exe	91
PID 4560 wrote to memory of 3928	4560	RdrCEF.exe	91
PID 4560 wrote to memory of 3928	4560	RdrCEF.exe	91
PID 4560 wrote to memory of 3928	4560	RdrCEF.exe	91
PID 4560 wrote to memory of 3928	4560	RdrCEF.exe	91
PID 4560 wrote to memory of 3928	4560	RdrCEF.exe	91
PID 4560 wrote to memory of 3928	4560	RdrCEF.exe	91
PID 4560 wrote to memory of 3928	4560	RdrCEF.exe	91
PID 4560 wrote to memory of 3928	4560	RdrCEF.exe	91
PID 4560 wrote to memory of 3928	4560	RdrCEF.exe	91
PID 4560 wrote to memory of 3928	4560	RdrCEF.exe	91
PID 4560 wrote to memory of 3928	4560	RdrCEF.exe	91
PID 4560 wrote to memory of 3928	4560	RdrCEF.exe	91
PID 4560 wrote to memory of 3928	4560	RdrCEF.exe	91
PID 4560 wrote to memory of 3928	4560	RdrCEF.exe	91
PID 4560 wrote to memory of 3928	4560	RdrCEF.exe	91
PID 4560 wrote to memory of 3928	4560	RdrCEF.exe	91
PID 4560 wrote to memory of 3928	4560	RdrCEF.exe	91
PID 4560 wrote to memory of 3928	4560	RdrCEF.exe	91
PID 4560 wrote to memory of 3928	4560	RdrCEF.exe	91
PID 4560 wrote to memory of 3928	4560	RdrCEF.exe	91
PID 4560 wrote to memory of 3928	4560	RdrCEF.exe	91
PID 4560 wrote to memory of 3928	4560	RdrCEF.exe	91
PID 4560 wrote to memory of 3928	4560	RdrCEF.exe	91
PID 4560 wrote to memory of 3928	4560	RdrCEF.exe	91
PID 4560 wrote to memory of 3928	4560	RdrCEF.exe	91
PID 4560 wrote to memory of 3928	4560	RdrCEF.exe	91
PID 4560 wrote to memory of 3928	4560	RdrCEF.exe	91
PID 4560 wrote to memory of 3928	4560	RdrCEF.exe	91
PID 4560 wrote to memory of 3928	4560	RdrCEF.exe	91
PID 4560 wrote to memory of 3928	4560	RdrCEF.exe	91
PID 4560 wrote to memory of 3540	4560	RdrCEF.exe	92
PID 4560 wrote to memory of 3540	4560	RdrCEF.exe	92
PID 4560 wrote to memory of 3540	4560	RdrCEF.exe	92
PID 4560 wrote to memory of 3540	4560	RdrCEF.exe	92
PID 4560 wrote to memory of 3540	4560	RdrCEF.exe	92
PID 4560 wrote to memory of 3540	4560	RdrCEF.exe	92
PID 4560 wrote to memory of 3540	4560	RdrCEF.exe	92
PID 4560 wrote to memory of 3540	4560	RdrCEF.exe	92
PID 4560 wrote to memory of 3540	4560	RdrCEF.exe	92
PID 4560 wrote to memory of 3540	4560	RdrCEF.exe	92
PID 4560 wrote to memory of 3540	4560	RdrCEF.exe	92
PID 4560 wrote to memory of 3540	4560	RdrCEF.exe	92
PID 4560 wrote to memory of 3540	4560	RdrCEF.exe	92
PID 4560 wrote to memory of 3540	4560	RdrCEF.exe	92
PID 4560 wrote to memory of 3540	4560	RdrCEF.exe	92
PID 4560 wrote to memory of 3540	4560	RdrCEF.exe	92
PID 4560 wrote to memory of 3540	4560	RdrCEF.exe	92
PID 4560 wrote to memory of 3540	4560	RdrCEF.exe	92
PID 4560 wrote to memory of 3540	4560	RdrCEF.exe	92
PID 4560 wrote to memory of 3540	4560	RdrCEF.exe	92

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\a39ea5d822265270de78b3659e0be6a7.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:4776
- 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:4560
- - 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=BD01E78AB2828797A12E04EB248D6462 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3928
- - 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=C7997612D0DA5BFC4660503EE9742FA6 --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=C7997612D0DA5BFC4660503EE9742FA6 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3540
- - 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=5EF1978729A1D208617587E3AAC59ECB --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=5EF1978729A1D208617587E3AAC59ECB --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1132
- - 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=DC1FDA89DF903D02CCE8EDAFB7939BFC --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1728
- - 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=196855387A80FD5033B75055D904D262 --mojo-platform-channel-handle=1980 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1928
- - 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=6BB1A343966F7CFF5570511013732C04 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5044

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2220

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
39955369db9a453849930f88233cf2ce

SHA1
62d3f24634130af6c2e10430b8ea150e35172e2c

SHA256
3a94fa2d340682fb85673cd0eabf2c2eeddd0eadb5d92def97bced7965be27aa

SHA512
b2012c97f379617746245baaa125ad54b31f1426de51672f659c0bcafe3ee61649aa246180c13a8501029163e1faa234472b81b08cd940beed405c873e26b1ff

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
memory/4776-133-0x000000000A8C0000-0x000000000AA0D000-memory.dmp

Filesize
1.3MB

Download