0248b4aaded087e5ee8483816b0464ac41419e2598c5be635fc32454d50c7fa1

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
07-03-2024 23:05

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General

Target

b9e485f66f5b82400e1fddb8f97d734a.pdf
Size

85KB
MD5

b9e485f66f5b82400e1fddb8f97d734a
SHA1

ed173ca6df5e6eb2c0d22146e3b2b671e0c8807c
SHA256

0248b4aaded087e5ee8483816b0464ac41419e2598c5be635fc32454d50c7fa1
SHA512

9cfe5280a245e29adbc61fbebfbf2a5a492ec6e3cfd5d288a01333bf645f8b35a235be7f24cc8c20e2ce31f6ffb672610fca80f2a1c999020e279813316c6d5e
SSDEEP

1536:+KjbUBJDn2RuRqC/bsdGqWBYdV3bjWpMEWO+uZYhgtkCWnFRKbGIWapOtQ/18jcO:pHULbDd/bsd+K3jWaB4gzzXxtQ/1QV

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-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4124	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe
4124	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4124 wrote to memory of 2184	4124	AcroRd32.exe	96
PID 4124 wrote to memory of 2184	4124	AcroRd32.exe	96
PID 4124 wrote to memory of 2184	4124	AcroRd32.exe	96
PID 2184 wrote to memory of 1020	2184	RdrCEF.exe	99
PID 2184 wrote to memory of 1020	2184	RdrCEF.exe	99
PID 2184 wrote to memory of 1020	2184	RdrCEF.exe	99
PID 2184 wrote to memory of 1020	2184	RdrCEF.exe	99
PID 2184 wrote to memory of 1020	2184	RdrCEF.exe	99
PID 2184 wrote to memory of 1020	2184	RdrCEF.exe	99
PID 2184 wrote to memory of 1020	2184	RdrCEF.exe	99
PID 2184 wrote to memory of 1020	2184	RdrCEF.exe	99
PID 2184 wrote to memory of 1020	2184	RdrCEF.exe	99
PID 2184 wrote to memory of 1020	2184	RdrCEF.exe	99
PID 2184 wrote to memory of 1020	2184	RdrCEF.exe	99
PID 2184 wrote to memory of 1020	2184	RdrCEF.exe	99
PID 2184 wrote to memory of 1020	2184	RdrCEF.exe	99
PID 2184 wrote to memory of 1020	2184	RdrCEF.exe	99
PID 2184 wrote to memory of 1020	2184	RdrCEF.exe	99
PID 2184 wrote to memory of 1020	2184	RdrCEF.exe	99
PID 2184 wrote to memory of 1020	2184	RdrCEF.exe	99
PID 2184 wrote to memory of 1020	2184	RdrCEF.exe	99
PID 2184 wrote to memory of 1020	2184	RdrCEF.exe	99
PID 2184 wrote to memory of 1020	2184	RdrCEF.exe	99
PID 2184 wrote to memory of 1020	2184	RdrCEF.exe	99
PID 2184 wrote to memory of 1020	2184	RdrCEF.exe	99
PID 2184 wrote to memory of 1020	2184	RdrCEF.exe	99
PID 2184 wrote to memory of 1020	2184	RdrCEF.exe	99
PID 2184 wrote to memory of 1020	2184	RdrCEF.exe	99
PID 2184 wrote to memory of 1020	2184	RdrCEF.exe	99
PID 2184 wrote to memory of 1020	2184	RdrCEF.exe	99
PID 2184 wrote to memory of 1020	2184	RdrCEF.exe	99
PID 2184 wrote to memory of 1020	2184	RdrCEF.exe	99
PID 2184 wrote to memory of 1020	2184	RdrCEF.exe	99
PID 2184 wrote to memory of 1020	2184	RdrCEF.exe	99
PID 2184 wrote to memory of 1020	2184	RdrCEF.exe	99
PID 2184 wrote to memory of 1020	2184	RdrCEF.exe	99
PID 2184 wrote to memory of 1020	2184	RdrCEF.exe	99
PID 2184 wrote to memory of 1020	2184	RdrCEF.exe	99
PID 2184 wrote to memory of 1020	2184	RdrCEF.exe	99
PID 2184 wrote to memory of 1020	2184	RdrCEF.exe	99
PID 2184 wrote to memory of 1020	2184	RdrCEF.exe	99
PID 2184 wrote to memory of 1020	2184	RdrCEF.exe	99
PID 2184 wrote to memory of 1020	2184	RdrCEF.exe	99
PID 2184 wrote to memory of 1020	2184	RdrCEF.exe	99
PID 2184 wrote to memory of 2308	2184	RdrCEF.exe	100
PID 2184 wrote to memory of 2308	2184	RdrCEF.exe	100
PID 2184 wrote to memory of 2308	2184	RdrCEF.exe	100
PID 2184 wrote to memory of 2308	2184	RdrCEF.exe	100
PID 2184 wrote to memory of 2308	2184	RdrCEF.exe	100
PID 2184 wrote to memory of 2308	2184	RdrCEF.exe	100
PID 2184 wrote to memory of 2308	2184	RdrCEF.exe	100
PID 2184 wrote to memory of 2308	2184	RdrCEF.exe	100
PID 2184 wrote to memory of 2308	2184	RdrCEF.exe	100
PID 2184 wrote to memory of 2308	2184	RdrCEF.exe	100
PID 2184 wrote to memory of 2308	2184	RdrCEF.exe	100
PID 2184 wrote to memory of 2308	2184	RdrCEF.exe	100
PID 2184 wrote to memory of 2308	2184	RdrCEF.exe	100
PID 2184 wrote to memory of 2308	2184	RdrCEF.exe	100
PID 2184 wrote to memory of 2308	2184	RdrCEF.exe	100
PID 2184 wrote to memory of 2308	2184	RdrCEF.exe	100
PID 2184 wrote to memory of 2308	2184	RdrCEF.exe	100
PID 2184 wrote to memory of 2308	2184	RdrCEF.exe	100
PID 2184 wrote to memory of 2308	2184	RdrCEF.exe	100
PID 2184 wrote to memory of 2308	2184	RdrCEF.exe	100

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\b9e485f66f5b82400e1fddb8f97d734a.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:4124
- 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:2184
- - 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=CC4C78549DCF136BA34D81E48672F8AC --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1020
- - 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=CA4EF87830B98124FBBEF15C62811335 --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=CA4EF87830B98124FBBEF15C62811335 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2308
- - 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=29416F24D754A37F4EBE3ADA2D30B463 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4452
- - 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=3647CF23C9847551FCAC70199FC25015 --mojo-platform-channel-handle=1940 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3892
- - 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=B0D1DF6A90D7A0E7A5376E5E88205E07 --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4912
- - 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=C2400474D95F24D607CB7531A408963C --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=C2400474D95F24D607CB7531A408963C --renderer-client-id=7 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1188

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3780

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
c3d2122ecaaad12929eb32a30badef9c

SHA1
40d773e5f34ea957bc58164a17c06fa20909dcd3

SHA256
8fa395071a6991cc08f440dd3cefc94d9865991e3be3481345e76ac1dd4b9ae2

SHA512
10fe5511bdb363f642855c29bb1ce20f39cc98e429987284502f7ac8f0773fd6e3294004a5f070a62e9102e70f6da35df9c465359b040d3af9b38e293ae2eba8

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