77a0c8ce2904dfcbb8e82966624da8f9068952edfc120120dbec3aeb011e4ffd

Analysis

max time kernel
151s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 20:31

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General

Target

1be259aa02d242774858e21ab55007eb.pdf
Size

79KB
MD5

1be259aa02d242774858e21ab55007eb
SHA1

a34fa0c3f34e7a1811e6e26302bd114e722e4a8f
SHA256

77a0c8ce2904dfcbb8e82966624da8f9068952edfc120120dbec3aeb011e4ffd
SHA512

0934cd796a42b80baa294e30b0393cdce034cf0e2f5bb4477682a8de0423515209bf2b6003699d761ee923e1474a079b2638efa2846b6b82f53d9a4fbb28ffca
SSDEEP

1536:LeMmvz/TTWI07t1/Lczq4Qn5r3QkApHFOguW9W7PoyF+fb08/WP+W8pO+oRY:p4b6IU1zcGhnt3PEgfZF+zFePZ+N

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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4640	AcroRd32.exe
4640	AcroRd32.exe
4640	AcroRd32.exe
4640	AcroRd32.exe
4640	AcroRd32.exe
4640	AcroRd32.exe
4640	AcroRd32.exe
4640	AcroRd32.exe
4640	AcroRd32.exe
4640	AcroRd32.exe
4640	AcroRd32.exe
4640	AcroRd32.exe
4640	AcroRd32.exe
4640	AcroRd32.exe
4640	AcroRd32.exe
4640	AcroRd32.exe
4640	AcroRd32.exe
4640	AcroRd32.exe
4640	AcroRd32.exe
4640	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4640	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4640	AcroRd32.exe
4640	AcroRd32.exe
4640	AcroRd32.exe
4640	AcroRd32.exe
4640	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4640 wrote to memory of 3708	4640	AcroRd32.exe	91
PID 4640 wrote to memory of 3708	4640	AcroRd32.exe	91
PID 4640 wrote to memory of 3708	4640	AcroRd32.exe	91
PID 3708 wrote to memory of 1576	3708	RdrCEF.exe	92
PID 3708 wrote to memory of 1576	3708	RdrCEF.exe	92
PID 3708 wrote to memory of 1576	3708	RdrCEF.exe	92
PID 3708 wrote to memory of 1576	3708	RdrCEF.exe	92
PID 3708 wrote to memory of 1576	3708	RdrCEF.exe	92
PID 3708 wrote to memory of 1576	3708	RdrCEF.exe	92
PID 3708 wrote to memory of 1576	3708	RdrCEF.exe	92
PID 3708 wrote to memory of 1576	3708	RdrCEF.exe	92
PID 3708 wrote to memory of 1576	3708	RdrCEF.exe	92
PID 3708 wrote to memory of 1576	3708	RdrCEF.exe	92
PID 3708 wrote to memory of 1576	3708	RdrCEF.exe	92
PID 3708 wrote to memory of 1576	3708	RdrCEF.exe	92
PID 3708 wrote to memory of 1576	3708	RdrCEF.exe	92
PID 3708 wrote to memory of 1576	3708	RdrCEF.exe	92
PID 3708 wrote to memory of 1576	3708	RdrCEF.exe	92
PID 3708 wrote to memory of 1576	3708	RdrCEF.exe	92
PID 3708 wrote to memory of 1576	3708	RdrCEF.exe	92
PID 3708 wrote to memory of 1576	3708	RdrCEF.exe	92
PID 3708 wrote to memory of 1576	3708	RdrCEF.exe	92
PID 3708 wrote to memory of 1576	3708	RdrCEF.exe	92
PID 3708 wrote to memory of 1576	3708	RdrCEF.exe	92
PID 3708 wrote to memory of 1576	3708	RdrCEF.exe	92
PID 3708 wrote to memory of 1576	3708	RdrCEF.exe	92
PID 3708 wrote to memory of 1576	3708	RdrCEF.exe	92
PID 3708 wrote to memory of 1576	3708	RdrCEF.exe	92
PID 3708 wrote to memory of 1576	3708	RdrCEF.exe	92
PID 3708 wrote to memory of 1576	3708	RdrCEF.exe	92
PID 3708 wrote to memory of 1576	3708	RdrCEF.exe	92
PID 3708 wrote to memory of 1576	3708	RdrCEF.exe	92
PID 3708 wrote to memory of 1576	3708	RdrCEF.exe	92
PID 3708 wrote to memory of 1576	3708	RdrCEF.exe	92
PID 3708 wrote to memory of 1576	3708	RdrCEF.exe	92
PID 3708 wrote to memory of 1576	3708	RdrCEF.exe	92
PID 3708 wrote to memory of 1576	3708	RdrCEF.exe	92
PID 3708 wrote to memory of 1576	3708	RdrCEF.exe	92
PID 3708 wrote to memory of 1576	3708	RdrCEF.exe	92
PID 3708 wrote to memory of 1576	3708	RdrCEF.exe	92
PID 3708 wrote to memory of 1576	3708	RdrCEF.exe	92
PID 3708 wrote to memory of 1576	3708	RdrCEF.exe	92
PID 3708 wrote to memory of 1576	3708	RdrCEF.exe	92
PID 3708 wrote to memory of 1576	3708	RdrCEF.exe	92
PID 3708 wrote to memory of 4656	3708	RdrCEF.exe	93
PID 3708 wrote to memory of 4656	3708	RdrCEF.exe	93
PID 3708 wrote to memory of 4656	3708	RdrCEF.exe	93
PID 3708 wrote to memory of 4656	3708	RdrCEF.exe	93
PID 3708 wrote to memory of 4656	3708	RdrCEF.exe	93
PID 3708 wrote to memory of 4656	3708	RdrCEF.exe	93
PID 3708 wrote to memory of 4656	3708	RdrCEF.exe	93
PID 3708 wrote to memory of 4656	3708	RdrCEF.exe	93
PID 3708 wrote to memory of 4656	3708	RdrCEF.exe	93
PID 3708 wrote to memory of 4656	3708	RdrCEF.exe	93
PID 3708 wrote to memory of 4656	3708	RdrCEF.exe	93
PID 3708 wrote to memory of 4656	3708	RdrCEF.exe	93
PID 3708 wrote to memory of 4656	3708	RdrCEF.exe	93
PID 3708 wrote to memory of 4656	3708	RdrCEF.exe	93
PID 3708 wrote to memory of 4656	3708	RdrCEF.exe	93
PID 3708 wrote to memory of 4656	3708	RdrCEF.exe	93
PID 3708 wrote to memory of 4656	3708	RdrCEF.exe	93
PID 3708 wrote to memory of 4656	3708	RdrCEF.exe	93
PID 3708 wrote to memory of 4656	3708	RdrCEF.exe	93
PID 3708 wrote to memory of 4656	3708	RdrCEF.exe	93

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\1be259aa02d242774858e21ab55007eb.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:4640
- 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:3708
- - 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=C3964BACF30236B89F9665C3CFEAEBD6 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1576
- - 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=E05B976C8E0A9FC4EB672261B7286F6C --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=E05B976C8E0A9FC4EB672261B7286F6C --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4656
- - 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=4BADE6043BB874A64EDF0F9BC1437EBB --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1268
- - 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=7D098B023C0E43510C14247FA2183CED --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=7D098B023C0E43510C14247FA2183CED --renderer-client-id=5 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2440
- - 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=6EA821D8C0137256B33B9D3C73596E4A --mojo-platform-channel-handle=2404 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2200
- - 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=35A5C43593512A743EBAB367FD14E5A7 --mojo-platform-channel-handle=2764 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2924

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
23ca913deda809b54342af2a56a38c2b

SHA1
af1235b02ec026b70ca384cdccfee626da46c947

SHA256
9b7f65bce6c02a1f3227e9cc9febc42baea4e90bad1f2972d632ef68594c95cc

SHA512
b3a28efdab06ce6dea396430175065f06a607fd630bffacfe0dc193731d0bba46c5a0ffa0e75380683b1f64a3fe4dbe8fb1f8a2774f569c5c1b9e8899217d4e5

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/4640-30-0x000000000B660000-0x000000000B6B0000-memory.dmp

Filesize
320KB

Download