45f2cf8086c17c12554f7aa746b56243001f1af53e5d4c5a1a6bd389d5349135

Analysis

max time kernel
142s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/12/2023, 22:06

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General

Target

b19f3d32af48f235db2cd2087f9f0538.pdf
Size

69KB
MD5

b19f3d32af48f235db2cd2087f9f0538
SHA1

dc2ed7e90f1f6021e4d045fe40d7f9df34344b79
SHA256

45f2cf8086c17c12554f7aa746b56243001f1af53e5d4c5a1a6bd389d5349135
SHA512

a6a518e58a826a907b7e13e403bd81cb8b7e81c348d829830ddce05fba4b3955e37796f63f8ce73becba88e476153229596adb537864993efe5acbc2e09340eb
SSDEEP

1536:tsvHTwOluzca7ePAZsp28tj4/e+fFELqsV42vISIuD:wzwQuzAYZRijkBuTVvISIc

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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3928	AcroRd32.exe
3928	AcroRd32.exe
3928	AcroRd32.exe
3928	AcroRd32.exe
3928	AcroRd32.exe
3928	AcroRd32.exe
3928	AcroRd32.exe
3928	AcroRd32.exe
3928	AcroRd32.exe
3928	AcroRd32.exe
3928	AcroRd32.exe
3928	AcroRd32.exe
3928	AcroRd32.exe
3928	AcroRd32.exe
3928	AcroRd32.exe
3928	AcroRd32.exe
3928	AcroRd32.exe
3928	AcroRd32.exe
3928	AcroRd32.exe
3928	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3928	AcroRd32.exe
3928	AcroRd32.exe
3928	AcroRd32.exe
3928	AcroRd32.exe
3928	AcroRd32.exe
3928	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3928 wrote to memory of 4856	3928	AcroRd32.exe	92
PID 3928 wrote to memory of 4856	3928	AcroRd32.exe	92
PID 3928 wrote to memory of 4856	3928	AcroRd32.exe	92
PID 4856 wrote to memory of 4060	4856	RdrCEF.exe	93
PID 4856 wrote to memory of 4060	4856	RdrCEF.exe	93
PID 4856 wrote to memory of 4060	4856	RdrCEF.exe	93
PID 4856 wrote to memory of 4060	4856	RdrCEF.exe	93
PID 4856 wrote to memory of 4060	4856	RdrCEF.exe	93
PID 4856 wrote to memory of 4060	4856	RdrCEF.exe	93
PID 4856 wrote to memory of 4060	4856	RdrCEF.exe	93
PID 4856 wrote to memory of 4060	4856	RdrCEF.exe	93
PID 4856 wrote to memory of 4060	4856	RdrCEF.exe	93
PID 4856 wrote to memory of 4060	4856	RdrCEF.exe	93
PID 4856 wrote to memory of 4060	4856	RdrCEF.exe	93
PID 4856 wrote to memory of 4060	4856	RdrCEF.exe	93
PID 4856 wrote to memory of 4060	4856	RdrCEF.exe	93
PID 4856 wrote to memory of 4060	4856	RdrCEF.exe	93
PID 4856 wrote to memory of 4060	4856	RdrCEF.exe	93
PID 4856 wrote to memory of 4060	4856	RdrCEF.exe	93
PID 4856 wrote to memory of 4060	4856	RdrCEF.exe	93
PID 4856 wrote to memory of 4060	4856	RdrCEF.exe	93
PID 4856 wrote to memory of 4060	4856	RdrCEF.exe	93
PID 4856 wrote to memory of 4060	4856	RdrCEF.exe	93
PID 4856 wrote to memory of 4060	4856	RdrCEF.exe	93
PID 4856 wrote to memory of 4060	4856	RdrCEF.exe	93
PID 4856 wrote to memory of 4060	4856	RdrCEF.exe	93
PID 4856 wrote to memory of 4060	4856	RdrCEF.exe	93
PID 4856 wrote to memory of 4060	4856	RdrCEF.exe	93
PID 4856 wrote to memory of 4060	4856	RdrCEF.exe	93
PID 4856 wrote to memory of 4060	4856	RdrCEF.exe	93
PID 4856 wrote to memory of 4060	4856	RdrCEF.exe	93
PID 4856 wrote to memory of 4060	4856	RdrCEF.exe	93
PID 4856 wrote to memory of 4060	4856	RdrCEF.exe	93
PID 4856 wrote to memory of 4060	4856	RdrCEF.exe	93
PID 4856 wrote to memory of 4060	4856	RdrCEF.exe	93
PID 4856 wrote to memory of 4060	4856	RdrCEF.exe	93
PID 4856 wrote to memory of 4060	4856	RdrCEF.exe	93
PID 4856 wrote to memory of 4060	4856	RdrCEF.exe	93
PID 4856 wrote to memory of 4060	4856	RdrCEF.exe	93
PID 4856 wrote to memory of 4060	4856	RdrCEF.exe	93
PID 4856 wrote to memory of 4060	4856	RdrCEF.exe	93
PID 4856 wrote to memory of 4060	4856	RdrCEF.exe	93
PID 4856 wrote to memory of 4060	4856	RdrCEF.exe	93
PID 4856 wrote to memory of 4060	4856	RdrCEF.exe	93
PID 4856 wrote to memory of 3548	4856	RdrCEF.exe	94
PID 4856 wrote to memory of 3548	4856	RdrCEF.exe	94
PID 4856 wrote to memory of 3548	4856	RdrCEF.exe	94
PID 4856 wrote to memory of 3548	4856	RdrCEF.exe	94
PID 4856 wrote to memory of 3548	4856	RdrCEF.exe	94
PID 4856 wrote to memory of 3548	4856	RdrCEF.exe	94
PID 4856 wrote to memory of 3548	4856	RdrCEF.exe	94
PID 4856 wrote to memory of 3548	4856	RdrCEF.exe	94
PID 4856 wrote to memory of 3548	4856	RdrCEF.exe	94
PID 4856 wrote to memory of 3548	4856	RdrCEF.exe	94
PID 4856 wrote to memory of 3548	4856	RdrCEF.exe	94
PID 4856 wrote to memory of 3548	4856	RdrCEF.exe	94
PID 4856 wrote to memory of 3548	4856	RdrCEF.exe	94
PID 4856 wrote to memory of 3548	4856	RdrCEF.exe	94
PID 4856 wrote to memory of 3548	4856	RdrCEF.exe	94
PID 4856 wrote to memory of 3548	4856	RdrCEF.exe	94
PID 4856 wrote to memory of 3548	4856	RdrCEF.exe	94
PID 4856 wrote to memory of 3548	4856	RdrCEF.exe	94
PID 4856 wrote to memory of 3548	4856	RdrCEF.exe	94
PID 4856 wrote to memory of 3548	4856	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\b19f3d32af48f235db2cd2087f9f0538.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4856
- - 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=8D42C08186096A9B40D0AF16C4386892 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4060
- - 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=F11250DA3B4F2469194936DB90851CAC --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=F11250DA3B4F2469194936DB90851CAC --renderer-client-id=2 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3548
- - 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=1B09A923C1542C1CE102B843977DAE0F --mojo-platform-channel-handle=2168 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2944
- - 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=1EEFE83BA88FB96AAF055731D0721543 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:924
- - 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=B876498037534B693462BC079D335A7D --mojo-platform-channel-handle=2268 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3852

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2456

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
574824b3f5ce357b200f0ef66bc78545

SHA1
806293efd7bdf0d041b0885dc609b8968c30d069

SHA256
3dbea87c90dca09bbb66ff48e89bc92ba2eaae7c415e950e1b46d4859b03e721

SHA512
898eee0e9bfdf1ceedbc9931cf577130d90f7db4bc51dbb5afda65ccc4d5cafb542227e815e4d9bc74d83e8e4dc0304bb0c70d774197b2c10503652a1f9dd2b7

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