b1ea8f9be0b6ff16154ca0b178adad30cecbce69fd233f9b7047fe226be9467e

Analysis

max time kernel
210s
max time network
209s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 04:02

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General

Target

5fbf552c5bf845de0af8cf08f2cf97ff.pdf
Size

35KB
MD5

5fbf552c5bf845de0af8cf08f2cf97ff
SHA1

4bc84c6034cbe4bfa2f2eabb2ba35c6ae177f268
SHA256

b1ea8f9be0b6ff16154ca0b178adad30cecbce69fd233f9b7047fe226be9467e
SHA512

c70931fa249e7b44eaa292298532be6b5acf3872342a07ec8f459fd8dbd154ef2ec6b71024c5b2ef49838b7f7738a37bf55bc90ca1f7c0555f38038f29e5faaa
SSDEEP

768:IlHLNYZ1uyJsvKPMKyBa4PxOnz0V3jwsHxxICDbKqY9bvi5rIZH4z8L:IlHLNY7uyJsvKPMKK1xOz0V3jvxIGiYe

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-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4220	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe
4220	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4220 wrote to memory of 5056	4220	AcroRd32.exe	95
PID 4220 wrote to memory of 5056	4220	AcroRd32.exe	95
PID 4220 wrote to memory of 5056	4220	AcroRd32.exe	95
PID 4220 wrote to memory of 4796	4220	AcroRd32.exe	96
PID 4220 wrote to memory of 4796	4220	AcroRd32.exe	96
PID 4220 wrote to memory of 4796	4220	AcroRd32.exe	96
PID 5056 wrote to memory of 4388	5056	RdrCEF.exe	97
PID 5056 wrote to memory of 4388	5056	RdrCEF.exe	97
PID 5056 wrote to memory of 4388	5056	RdrCEF.exe	97
PID 5056 wrote to memory of 4388	5056	RdrCEF.exe	97
PID 5056 wrote to memory of 4388	5056	RdrCEF.exe	97
PID 5056 wrote to memory of 4388	5056	RdrCEF.exe	97
PID 5056 wrote to memory of 4388	5056	RdrCEF.exe	97
PID 5056 wrote to memory of 4388	5056	RdrCEF.exe	97
PID 5056 wrote to memory of 4388	5056	RdrCEF.exe	97
PID 5056 wrote to memory of 4388	5056	RdrCEF.exe	97
PID 5056 wrote to memory of 4388	5056	RdrCEF.exe	97
PID 5056 wrote to memory of 4388	5056	RdrCEF.exe	97
PID 5056 wrote to memory of 4388	5056	RdrCEF.exe	97
PID 5056 wrote to memory of 4388	5056	RdrCEF.exe	97
PID 5056 wrote to memory of 4388	5056	RdrCEF.exe	97
PID 5056 wrote to memory of 4388	5056	RdrCEF.exe	97
PID 5056 wrote to memory of 4388	5056	RdrCEF.exe	97
PID 5056 wrote to memory of 4388	5056	RdrCEF.exe	97
PID 5056 wrote to memory of 4388	5056	RdrCEF.exe	97
PID 5056 wrote to memory of 4388	5056	RdrCEF.exe	97
PID 5056 wrote to memory of 4388	5056	RdrCEF.exe	97
PID 5056 wrote to memory of 4388	5056	RdrCEF.exe	97
PID 5056 wrote to memory of 4388	5056	RdrCEF.exe	97
PID 5056 wrote to memory of 4388	5056	RdrCEF.exe	97
PID 5056 wrote to memory of 4388	5056	RdrCEF.exe	97
PID 5056 wrote to memory of 4388	5056	RdrCEF.exe	97
PID 5056 wrote to memory of 4388	5056	RdrCEF.exe	97
PID 5056 wrote to memory of 4388	5056	RdrCEF.exe	97
PID 5056 wrote to memory of 4388	5056	RdrCEF.exe	97
PID 5056 wrote to memory of 4388	5056	RdrCEF.exe	97
PID 5056 wrote to memory of 4388	5056	RdrCEF.exe	97
PID 5056 wrote to memory of 4388	5056	RdrCEF.exe	97
PID 5056 wrote to memory of 4388	5056	RdrCEF.exe	97
PID 4220 wrote to memory of 4368	4220	AcroRd32.exe	98
PID 4220 wrote to memory of 4368	4220	AcroRd32.exe	98
PID 4220 wrote to memory of 4368	4220	AcroRd32.exe	98
PID 4220 wrote to memory of 5112	4220	AcroRd32.exe	99
PID 4220 wrote to memory of 5112	4220	AcroRd32.exe	99
PID 4220 wrote to memory of 5112	4220	AcroRd32.exe	99
PID 4368 wrote to memory of 4760	4368	RdrCEF.exe	100
PID 4368 wrote to memory of 4760	4368	RdrCEF.exe	100
PID 4368 wrote to memory of 4760	4368	RdrCEF.exe	100
PID 4368 wrote to memory of 4760	4368	RdrCEF.exe	100
PID 4368 wrote to memory of 4760	4368	RdrCEF.exe	100
PID 4368 wrote to memory of 4760	4368	RdrCEF.exe	100
PID 4368 wrote to memory of 4760	4368	RdrCEF.exe	100
PID 4368 wrote to memory of 4760	4368	RdrCEF.exe	100
PID 4368 wrote to memory of 4760	4368	RdrCEF.exe	100
PID 4368 wrote to memory of 4760	4368	RdrCEF.exe	100
PID 4368 wrote to memory of 4760	4368	RdrCEF.exe	100
PID 4368 wrote to memory of 4760	4368	RdrCEF.exe	100
PID 4368 wrote to memory of 4760	4368	RdrCEF.exe	100
PID 4368 wrote to memory of 4760	4368	RdrCEF.exe	100
PID 4368 wrote to memory of 4760	4368	RdrCEF.exe	100
PID 4368 wrote to memory of 4760	4368	RdrCEF.exe	100
PID 4368 wrote to memory of 4760	4368	RdrCEF.exe	100
PID 4368 wrote to memory of 4760	4368	RdrCEF.exe	100
PID 4368 wrote to memory of 4760	4368	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\5fbf552c5bf845de0af8cf08f2cf97ff.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:4220
- 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:5056
- - 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=E3CEE2D2923E3A58EC61AC39F954529C --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=E3CEE2D2923E3A58EC61AC39F954529C --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4388
- 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⤵
  PID:4796
- 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:4368
- - 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=A7585B6EDFDCD8CB5C446F1199F84B47 --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=A7585B6EDFDCD8CB5C446F1199F84B47 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4760
- - 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=77F18D5E6B19BCA46CCDFA29CA78D905 --mojo-platform-channel-handle=1868 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:100
- - 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=100A882B482EC499FA0B0E18793D094F --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3732
- - 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=CC8813BA20355E93154CCA9D47560AAB --mojo-platform-channel-handle=2108 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2516
- - 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=6621122068689E93D38006CCDD8C50C8 --mojo-platform-channel-handle=2148 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4028
- 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⤵
  PID:5112

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3560

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
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