bbe4b42aa69874bd99de1fd924b07e66550f986d33466523a59cf74ac0d6d856

Analysis

max time kernel
152s
max time network
162s
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

b169d797cb7db5e4136bc6bc2f2f0f4d.pdf
Size

88KB
MD5

b169d797cb7db5e4136bc6bc2f2f0f4d
SHA1

4ed4c0949c4987524c1db254b100607af36b5149
SHA256

bbe4b42aa69874bd99de1fd924b07e66550f986d33466523a59cf74ac0d6d856
SHA512

4e5b83e479b7647535acff362d48f47c94464fe6b2e7c71a3d191902e00cd5db3679a7247f0fdbb5cf02a5dc51d472996ed85d098ac06c005f77d8620f90f9aa
SSDEEP

1536:2/TAhD4WoYXZYzO243jm81QQPw0umLjgSjfQBscDcwGWmt3NbQp9Pp9hMoqMmpBP:ENWQa201QQ40usFODcB3NQHB9momp2ZK

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
972	AcroRd32.exe
972	AcroRd32.exe
972	AcroRd32.exe
972	AcroRd32.exe
972	AcroRd32.exe
972	AcroRd32.exe
972	AcroRd32.exe
972	AcroRd32.exe
972	AcroRd32.exe
972	AcroRd32.exe
972	AcroRd32.exe
972	AcroRd32.exe
972	AcroRd32.exe
972	AcroRd32.exe
972	AcroRd32.exe
972	AcroRd32.exe
972	AcroRd32.exe
972	AcroRd32.exe
972	AcroRd32.exe
972	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
972	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
972	AcroRd32.exe
972	AcroRd32.exe
972	AcroRd32.exe
972	AcroRd32.exe
972	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 972 wrote to memory of 4412	972	AcroRd32.exe	91
PID 972 wrote to memory of 4412	972	AcroRd32.exe	91
PID 972 wrote to memory of 4412	972	AcroRd32.exe	91
PID 4412 wrote to memory of 3056	4412	RdrCEF.exe	92
PID 4412 wrote to memory of 3056	4412	RdrCEF.exe	92
PID 4412 wrote to memory of 3056	4412	RdrCEF.exe	92
PID 4412 wrote to memory of 3056	4412	RdrCEF.exe	92
PID 4412 wrote to memory of 3056	4412	RdrCEF.exe	92
PID 4412 wrote to memory of 3056	4412	RdrCEF.exe	92
PID 4412 wrote to memory of 3056	4412	RdrCEF.exe	92
PID 4412 wrote to memory of 3056	4412	RdrCEF.exe	92
PID 4412 wrote to memory of 3056	4412	RdrCEF.exe	92
PID 4412 wrote to memory of 3056	4412	RdrCEF.exe	92
PID 4412 wrote to memory of 3056	4412	RdrCEF.exe	92
PID 4412 wrote to memory of 3056	4412	RdrCEF.exe	92
PID 4412 wrote to memory of 3056	4412	RdrCEF.exe	92
PID 4412 wrote to memory of 3056	4412	RdrCEF.exe	92
PID 4412 wrote to memory of 3056	4412	RdrCEF.exe	92
PID 4412 wrote to memory of 3056	4412	RdrCEF.exe	92
PID 4412 wrote to memory of 3056	4412	RdrCEF.exe	92
PID 4412 wrote to memory of 3056	4412	RdrCEF.exe	92
PID 4412 wrote to memory of 3056	4412	RdrCEF.exe	92
PID 4412 wrote to memory of 3056	4412	RdrCEF.exe	92
PID 4412 wrote to memory of 3056	4412	RdrCEF.exe	92
PID 4412 wrote to memory of 3056	4412	RdrCEF.exe	92
PID 4412 wrote to memory of 3056	4412	RdrCEF.exe	92
PID 4412 wrote to memory of 3056	4412	RdrCEF.exe	92
PID 4412 wrote to memory of 3056	4412	RdrCEF.exe	92
PID 4412 wrote to memory of 3056	4412	RdrCEF.exe	92
PID 4412 wrote to memory of 3056	4412	RdrCEF.exe	92
PID 4412 wrote to memory of 3056	4412	RdrCEF.exe	92
PID 4412 wrote to memory of 3056	4412	RdrCEF.exe	92
PID 4412 wrote to memory of 3056	4412	RdrCEF.exe	92
PID 4412 wrote to memory of 3056	4412	RdrCEF.exe	92
PID 4412 wrote to memory of 3056	4412	RdrCEF.exe	92
PID 4412 wrote to memory of 3056	4412	RdrCEF.exe	92
PID 4412 wrote to memory of 3056	4412	RdrCEF.exe	92
PID 4412 wrote to memory of 3056	4412	RdrCEF.exe	92
PID 4412 wrote to memory of 3056	4412	RdrCEF.exe	92
PID 4412 wrote to memory of 3056	4412	RdrCEF.exe	92
PID 4412 wrote to memory of 3056	4412	RdrCEF.exe	92
PID 4412 wrote to memory of 3056	4412	RdrCEF.exe	92
PID 4412 wrote to memory of 3056	4412	RdrCEF.exe	92
PID 4412 wrote to memory of 3056	4412	RdrCEF.exe	92
PID 4412 wrote to memory of 4964	4412	RdrCEF.exe	93
PID 4412 wrote to memory of 4964	4412	RdrCEF.exe	93
PID 4412 wrote to memory of 4964	4412	RdrCEF.exe	93
PID 4412 wrote to memory of 4964	4412	RdrCEF.exe	93
PID 4412 wrote to memory of 4964	4412	RdrCEF.exe	93
PID 4412 wrote to memory of 4964	4412	RdrCEF.exe	93
PID 4412 wrote to memory of 4964	4412	RdrCEF.exe	93
PID 4412 wrote to memory of 4964	4412	RdrCEF.exe	93
PID 4412 wrote to memory of 4964	4412	RdrCEF.exe	93
PID 4412 wrote to memory of 4964	4412	RdrCEF.exe	93
PID 4412 wrote to memory of 4964	4412	RdrCEF.exe	93
PID 4412 wrote to memory of 4964	4412	RdrCEF.exe	93
PID 4412 wrote to memory of 4964	4412	RdrCEF.exe	93
PID 4412 wrote to memory of 4964	4412	RdrCEF.exe	93
PID 4412 wrote to memory of 4964	4412	RdrCEF.exe	93
PID 4412 wrote to memory of 4964	4412	RdrCEF.exe	93
PID 4412 wrote to memory of 4964	4412	RdrCEF.exe	93
PID 4412 wrote to memory of 4964	4412	RdrCEF.exe	93
PID 4412 wrote to memory of 4964	4412	RdrCEF.exe	93
PID 4412 wrote to memory of 4964	4412	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\b169d797cb7db5e4136bc6bc2f2f0f4d.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:972
- 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:4412
- - 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=B69E2019F02AFDFA0AA72E1E9CBD974D --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3056
- - 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=9D2A2A67315A9534F32900EDF863C88B --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=9D2A2A67315A9534F32900EDF863C88B --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4964
- - 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=B52E13328BE9992A7816DE00815486D2 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2740
- - 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=BAA159C18C0F323FF66161B8DA06FBBE --mojo-platform-channel-handle=2444 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3328
- - 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=BADFB97161F5AB883669298FCBF5CF98 --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=BADFB97161F5AB883669298FCBF5CF98 --renderer-client-id=6 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1224
- - 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=DA1D11A4522EED2BF57C93B2D702D880 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2896

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
8ad3b37c81040ac07a09d9349be8335c

SHA1
8dddf2dbd00c398b53806c1caddd3cdc9f69a528

SHA256
6dfbea4b27e9a7aaaca25234381ac5e80b50cfeddc44a0c473bb6204fee28210

SHA512
3d7a3bcb2a42e07a26885be477356570138aecd56e2c56844a0fae54594263be362c394f4c1c163557aad9c3c0e718fd939d48ef4b510f2d0ef8cf99f44dcaf7

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/972-27-0x0000000008760000-0x0000000008781000-memory.dmp

Filesize
132KB

Download