75ed8630e56203336fe597e7b13f1336f3151a55d4cb7e1e1596656fee1aa3ec

Analysis

max time kernel
95s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
15-07-2024 09:05

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General

Target

b71f3bc436da66ede3e2ca9df22f2110N.pdf
Size

155KB
MD5

b71f3bc436da66ede3e2ca9df22f2110
SHA1

1f3e7832ae0454905c64d763d85b1ef399d7148e
SHA256

75ed8630e56203336fe597e7b13f1336f3151a55d4cb7e1e1596656fee1aa3ec
SHA512

aacc4a55ad1322027c3fb13b696e4e4f1835c57b61b78027b5d70425a5322703d50fefb0f21bca4384f4d7164f034c35f3a28c7df92ca96f25a3107aa900ce96
SSDEEP

3072:f8LrU1Ai56CLq0VahjnvBmH7m7yjZmfuQ+o/0iIqklyh5pR8fsSBHeE:IrxXeKjnvB+mLfuno/yBHeE

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-1-5-21-2636447293-1148739154-93880854-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3088	AcroRd32.exe
3088	AcroRd32.exe
3088	AcroRd32.exe
3088	AcroRd32.exe
3088	AcroRd32.exe
3088	AcroRd32.exe
3088	AcroRd32.exe
3088	AcroRd32.exe
3088	AcroRd32.exe
3088	AcroRd32.exe
3088	AcroRd32.exe
3088	AcroRd32.exe
3088	AcroRd32.exe
3088	AcroRd32.exe
3088	AcroRd32.exe
3088	AcroRd32.exe
3088	AcroRd32.exe
3088	AcroRd32.exe
3088	AcroRd32.exe
3088	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3088	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3088	AcroRd32.exe
3088	AcroRd32.exe
3088	AcroRd32.exe
3088	AcroRd32.exe
3088	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3088 wrote to memory of 2392	3088	AcroRd32.exe	86
PID 3088 wrote to memory of 2392	3088	AcroRd32.exe	86
PID 3088 wrote to memory of 2392	3088	AcroRd32.exe	86
PID 2392 wrote to memory of 1200	2392	RdrCEF.exe	87
PID 2392 wrote to memory of 1200	2392	RdrCEF.exe	87
PID 2392 wrote to memory of 1200	2392	RdrCEF.exe	87
PID 2392 wrote to memory of 1200	2392	RdrCEF.exe	87
PID 2392 wrote to memory of 1200	2392	RdrCEF.exe	87
PID 2392 wrote to memory of 1200	2392	RdrCEF.exe	87
PID 2392 wrote to memory of 1200	2392	RdrCEF.exe	87
PID 2392 wrote to memory of 1200	2392	RdrCEF.exe	87
PID 2392 wrote to memory of 1200	2392	RdrCEF.exe	87
PID 2392 wrote to memory of 1200	2392	RdrCEF.exe	87
PID 2392 wrote to memory of 1200	2392	RdrCEF.exe	87
PID 2392 wrote to memory of 1200	2392	RdrCEF.exe	87
PID 2392 wrote to memory of 1200	2392	RdrCEF.exe	87
PID 2392 wrote to memory of 1200	2392	RdrCEF.exe	87
PID 2392 wrote to memory of 1200	2392	RdrCEF.exe	87
PID 2392 wrote to memory of 1200	2392	RdrCEF.exe	87
PID 2392 wrote to memory of 1200	2392	RdrCEF.exe	87
PID 2392 wrote to memory of 1200	2392	RdrCEF.exe	87
PID 2392 wrote to memory of 1200	2392	RdrCEF.exe	87
PID 2392 wrote to memory of 1200	2392	RdrCEF.exe	87
PID 2392 wrote to memory of 1200	2392	RdrCEF.exe	87
PID 2392 wrote to memory of 1200	2392	RdrCEF.exe	87
PID 2392 wrote to memory of 1200	2392	RdrCEF.exe	87
PID 2392 wrote to memory of 1200	2392	RdrCEF.exe	87
PID 2392 wrote to memory of 1200	2392	RdrCEF.exe	87
PID 2392 wrote to memory of 1200	2392	RdrCEF.exe	87
PID 2392 wrote to memory of 1200	2392	RdrCEF.exe	87
PID 2392 wrote to memory of 1200	2392	RdrCEF.exe	87
PID 2392 wrote to memory of 1200	2392	RdrCEF.exe	87
PID 2392 wrote to memory of 1200	2392	RdrCEF.exe	87
PID 2392 wrote to memory of 1200	2392	RdrCEF.exe	87
PID 2392 wrote to memory of 1200	2392	RdrCEF.exe	87
PID 2392 wrote to memory of 1200	2392	RdrCEF.exe	87
PID 2392 wrote to memory of 1200	2392	RdrCEF.exe	87
PID 2392 wrote to memory of 1200	2392	RdrCEF.exe	87
PID 2392 wrote to memory of 1200	2392	RdrCEF.exe	87
PID 2392 wrote to memory of 1200	2392	RdrCEF.exe	87
PID 2392 wrote to memory of 1200	2392	RdrCEF.exe	87
PID 2392 wrote to memory of 1200	2392	RdrCEF.exe	87
PID 2392 wrote to memory of 1200	2392	RdrCEF.exe	87
PID 2392 wrote to memory of 1200	2392	RdrCEF.exe	87
PID 2392 wrote to memory of 636	2392	RdrCEF.exe	88
PID 2392 wrote to memory of 636	2392	RdrCEF.exe	88
PID 2392 wrote to memory of 636	2392	RdrCEF.exe	88
PID 2392 wrote to memory of 636	2392	RdrCEF.exe	88
PID 2392 wrote to memory of 636	2392	RdrCEF.exe	88
PID 2392 wrote to memory of 636	2392	RdrCEF.exe	88
PID 2392 wrote to memory of 636	2392	RdrCEF.exe	88
PID 2392 wrote to memory of 636	2392	RdrCEF.exe	88
PID 2392 wrote to memory of 636	2392	RdrCEF.exe	88
PID 2392 wrote to memory of 636	2392	RdrCEF.exe	88
PID 2392 wrote to memory of 636	2392	RdrCEF.exe	88
PID 2392 wrote to memory of 636	2392	RdrCEF.exe	88
PID 2392 wrote to memory of 636	2392	RdrCEF.exe	88
PID 2392 wrote to memory of 636	2392	RdrCEF.exe	88
PID 2392 wrote to memory of 636	2392	RdrCEF.exe	88
PID 2392 wrote to memory of 636	2392	RdrCEF.exe	88
PID 2392 wrote to memory of 636	2392	RdrCEF.exe	88
PID 2392 wrote to memory of 636	2392	RdrCEF.exe	88
PID 2392 wrote to memory of 636	2392	RdrCEF.exe	88
PID 2392 wrote to memory of 636	2392	RdrCEF.exe	88

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\b71f3bc436da66ede3e2ca9df22f2110N.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:3088
- 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:2392
- - 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=E4886341F834B6AAD7D51D9BCA15AFF6 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1200
- - 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=A42988483C65CFA504604927017DAB14 --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=A42988483C65CFA504604927017DAB14 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:636
- - 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=341290A62C02661898FF02537C8B9C21 --mojo-platform-channel-handle=2340 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2176
- - 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=01D7056B3B90B4597E7D9701AFA1BFB8 --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=01D7056B3B90B4597E7D9701AFA1BFB8 --renderer-client-id=5 --mojo-platform-channel-handle=2444 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1452
- - 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=CBD5C6C758A946FB7D8E1D846249B853 --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4536
- - 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=43B240405DEB272A5CC64039711CB2BC --mojo-platform-channel-handle=2820 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3516

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2084

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
272aa3f00fa27fba0445a0d0f65b946b

SHA1
03a33062c12cfe012b75e333230c1a23672c9f41

SHA256
3bba9139b8dd15b09721f1a1e0b6735ae95e8e68bd9d012509bb5ed2e0d94c0b

SHA512
a8af5562ddffa028987128dbdcc0049b7461f9612cb35742e0238ab8eaafb8a06a253bf389d400e1d59f9b3cf95a604616c27ec8d54c436122dd25e71efae119

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