e0bd9be1e48d445636e989b7158e670883f6181626aa2d12a977ac00f2e13285

Analysis

max time kernel
144s
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
19-12-2023 11:36

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General

Target

158b34b1994b937837d98946b89a28cf.pdf
Size

82KB
MD5

158b34b1994b937837d98946b89a28cf
SHA1

94c0035bdff9c99626e9b0a870bcbecdc374d7e8
SHA256

e0bd9be1e48d445636e989b7158e670883f6181626aa2d12a977ac00f2e13285
SHA512

7481d9c3d02a34e2e736b81154532490ded03ef7ecae2df4de4e3ac45c3b8f105265403ee3e95f91344e411f5de9fc54390e6f0a4610ae1792c0ab050385e914
SSDEEP

1536:jw90T8DaMdeNXBvB6tkvyqbQmlQTjLkk93nucLiKaZWbpONiWeYIx47Pk7l:sJDaMUTvB6tkvqmlQTjRWKabNxImDi

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3936	AcroRd32.exe
3936	AcroRd32.exe
3936	AcroRd32.exe
3936	AcroRd32.exe
3936	AcroRd32.exe
3936	AcroRd32.exe
3936	AcroRd32.exe
3936	AcroRd32.exe
3936	AcroRd32.exe
3936	AcroRd32.exe
3936	AcroRd32.exe
3936	AcroRd32.exe
3936	AcroRd32.exe
3936	AcroRd32.exe
3936	AcroRd32.exe
3936	AcroRd32.exe
3936	AcroRd32.exe
3936	AcroRd32.exe
3936	AcroRd32.exe
3936	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3936	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3936	AcroRd32.exe
3936	AcroRd32.exe
3936	AcroRd32.exe
3936	AcroRd32.exe
3936	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3936 wrote to memory of 4724	3936	AcroRd32.exe	92
PID 3936 wrote to memory of 4724	3936	AcroRd32.exe	92
PID 3936 wrote to memory of 4724	3936	AcroRd32.exe	92
PID 4724 wrote to memory of 3724	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 3724	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 3724	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 3724	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 3724	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 3724	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 3724	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 3724	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 3724	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 3724	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 3724	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 3724	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 3724	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 3724	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 3724	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 3724	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 3724	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 3724	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 3724	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 3724	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 3724	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 3724	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 3724	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 3724	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 3724	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 3724	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 3724	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 3724	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 3724	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 3724	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 3724	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 3724	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 3724	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 3724	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 3724	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 3724	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 3724	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 3724	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 3724	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 3724	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 3724	4724	RdrCEF.exe	93
PID 4724 wrote to memory of 724	4724	RdrCEF.exe	94
PID 4724 wrote to memory of 724	4724	RdrCEF.exe	94
PID 4724 wrote to memory of 724	4724	RdrCEF.exe	94
PID 4724 wrote to memory of 724	4724	RdrCEF.exe	94
PID 4724 wrote to memory of 724	4724	RdrCEF.exe	94
PID 4724 wrote to memory of 724	4724	RdrCEF.exe	94
PID 4724 wrote to memory of 724	4724	RdrCEF.exe	94
PID 4724 wrote to memory of 724	4724	RdrCEF.exe	94
PID 4724 wrote to memory of 724	4724	RdrCEF.exe	94
PID 4724 wrote to memory of 724	4724	RdrCEF.exe	94
PID 4724 wrote to memory of 724	4724	RdrCEF.exe	94
PID 4724 wrote to memory of 724	4724	RdrCEF.exe	94
PID 4724 wrote to memory of 724	4724	RdrCEF.exe	94
PID 4724 wrote to memory of 724	4724	RdrCEF.exe	94
PID 4724 wrote to memory of 724	4724	RdrCEF.exe	94
PID 4724 wrote to memory of 724	4724	RdrCEF.exe	94
PID 4724 wrote to memory of 724	4724	RdrCEF.exe	94
PID 4724 wrote to memory of 724	4724	RdrCEF.exe	94
PID 4724 wrote to memory of 724	4724	RdrCEF.exe	94
PID 4724 wrote to memory of 724	4724	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\158b34b1994b937837d98946b89a28cf.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:3936
- 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:4724
- - 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=4ED240F38F59465BF42641A9BC2CD29A --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3724
- - 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=82F028BF3214C52D0574FDDB5C851E9A --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=82F028BF3214C52D0574FDDB5C851E9A --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:724
- - 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=C0D7A9FAE58930282EA72A13F835099A --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:544
- - 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=F382B1A952BD42CC354D938173DEC663 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4408
- - 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=D9B5F0E10BDCA56A74053B168745F796 --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=D9B5F0E10BDCA56A74053B168745F796 --renderer-client-id=6 --mojo-platform-channel-handle=2208 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3552
- - 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=3E1C21EC3D9AEE1991C28EE310712116 --mojo-platform-channel-handle=2336 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3820

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3824

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
30cd5907da97224ff84ad9d95ed7e9cd

SHA1
ef1be74764f7aab0cd9d667c5ec2f3bb94fe5775

SHA256
574ae843b2ecd6f77248f044c83ee5d90cb89d0ed6a7714228f10624e2642f34

SHA512
767c4d7f2fd14bc3dd7c2fdcfeadd6126bfff2280bb1027574b009881c8597c147bc0fa7f03589b75867a8ec3c60235919e94b0093d8047d2d8ba16b4dd65cce

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/3936-26-0x0000000009800000-0x0000000009850000-memory.dmp

Filesize
320KB

Download