3fef99c0c3173cbfc29baa5bc7e43d029f595039e2b7c5050387cd530e274b88

Analysis

max time kernel
141s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
24/01/2024, 14:22

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General

Target

7277a055ceac15b2b2eb17e2286660d6.pdf
Size

96KB
MD5

7277a055ceac15b2b2eb17e2286660d6
SHA1

68a347b20c9b167774ef6cb05c754352d605e052
SHA256

3fef99c0c3173cbfc29baa5bc7e43d029f595039e2b7c5050387cd530e274b88
SHA512

5da6fe14c6eaa941e6ca1599f51d9df24c3403bb47415227eea2f4d40fca604d85249f4f5dbe16037f2715801214858fdb41f2e29bb8729c6dda326a926d265b
SSDEEP

1536:tZryIQr1ZKnNgSNks6+UmqKnhTCOErZ/ftBl0sRkIMWxApOGzW3IM0U24n:PryIQJux6lKlCOEr5NlGIN3GZE

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4932	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe
4932	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4932 wrote to memory of 3588	4932	AcroRd32.exe	93
PID 4932 wrote to memory of 3588	4932	AcroRd32.exe	93
PID 4932 wrote to memory of 3588	4932	AcroRd32.exe	93
PID 3588 wrote to memory of 3388	3588	RdrCEF.exe	94
PID 3588 wrote to memory of 3388	3588	RdrCEF.exe	94
PID 3588 wrote to memory of 3388	3588	RdrCEF.exe	94
PID 3588 wrote to memory of 3388	3588	RdrCEF.exe	94
PID 3588 wrote to memory of 3388	3588	RdrCEF.exe	94
PID 3588 wrote to memory of 3388	3588	RdrCEF.exe	94
PID 3588 wrote to memory of 3388	3588	RdrCEF.exe	94
PID 3588 wrote to memory of 3388	3588	RdrCEF.exe	94
PID 3588 wrote to memory of 3388	3588	RdrCEF.exe	94
PID 3588 wrote to memory of 3388	3588	RdrCEF.exe	94
PID 3588 wrote to memory of 3388	3588	RdrCEF.exe	94
PID 3588 wrote to memory of 3388	3588	RdrCEF.exe	94
PID 3588 wrote to memory of 3388	3588	RdrCEF.exe	94
PID 3588 wrote to memory of 3388	3588	RdrCEF.exe	94
PID 3588 wrote to memory of 3388	3588	RdrCEF.exe	94
PID 3588 wrote to memory of 3388	3588	RdrCEF.exe	94
PID 3588 wrote to memory of 3388	3588	RdrCEF.exe	94
PID 3588 wrote to memory of 3388	3588	RdrCEF.exe	94
PID 3588 wrote to memory of 3388	3588	RdrCEF.exe	94
PID 3588 wrote to memory of 3388	3588	RdrCEF.exe	94
PID 3588 wrote to memory of 3388	3588	RdrCEF.exe	94
PID 3588 wrote to memory of 3388	3588	RdrCEF.exe	94
PID 3588 wrote to memory of 3388	3588	RdrCEF.exe	94
PID 3588 wrote to memory of 3388	3588	RdrCEF.exe	94
PID 3588 wrote to memory of 3388	3588	RdrCEF.exe	94
PID 3588 wrote to memory of 3388	3588	RdrCEF.exe	94
PID 3588 wrote to memory of 3388	3588	RdrCEF.exe	94
PID 3588 wrote to memory of 3388	3588	RdrCEF.exe	94
PID 3588 wrote to memory of 3388	3588	RdrCEF.exe	94
PID 3588 wrote to memory of 3388	3588	RdrCEF.exe	94
PID 3588 wrote to memory of 3388	3588	RdrCEF.exe	94
PID 3588 wrote to memory of 3388	3588	RdrCEF.exe	94
PID 3588 wrote to memory of 3388	3588	RdrCEF.exe	94
PID 3588 wrote to memory of 3388	3588	RdrCEF.exe	94
PID 3588 wrote to memory of 3388	3588	RdrCEF.exe	94
PID 3588 wrote to memory of 3388	3588	RdrCEF.exe	94
PID 3588 wrote to memory of 3388	3588	RdrCEF.exe	94
PID 3588 wrote to memory of 3388	3588	RdrCEF.exe	94
PID 3588 wrote to memory of 3388	3588	RdrCEF.exe	94
PID 3588 wrote to memory of 3388	3588	RdrCEF.exe	94
PID 3588 wrote to memory of 3388	3588	RdrCEF.exe	94
PID 3588 wrote to memory of 3256	3588	RdrCEF.exe	95
PID 3588 wrote to memory of 3256	3588	RdrCEF.exe	95
PID 3588 wrote to memory of 3256	3588	RdrCEF.exe	95
PID 3588 wrote to memory of 3256	3588	RdrCEF.exe	95
PID 3588 wrote to memory of 3256	3588	RdrCEF.exe	95
PID 3588 wrote to memory of 3256	3588	RdrCEF.exe	95
PID 3588 wrote to memory of 3256	3588	RdrCEF.exe	95
PID 3588 wrote to memory of 3256	3588	RdrCEF.exe	95
PID 3588 wrote to memory of 3256	3588	RdrCEF.exe	95
PID 3588 wrote to memory of 3256	3588	RdrCEF.exe	95
PID 3588 wrote to memory of 3256	3588	RdrCEF.exe	95
PID 3588 wrote to memory of 3256	3588	RdrCEF.exe	95
PID 3588 wrote to memory of 3256	3588	RdrCEF.exe	95
PID 3588 wrote to memory of 3256	3588	RdrCEF.exe	95
PID 3588 wrote to memory of 3256	3588	RdrCEF.exe	95
PID 3588 wrote to memory of 3256	3588	RdrCEF.exe	95
PID 3588 wrote to memory of 3256	3588	RdrCEF.exe	95
PID 3588 wrote to memory of 3256	3588	RdrCEF.exe	95
PID 3588 wrote to memory of 3256	3588	RdrCEF.exe	95
PID 3588 wrote to memory of 3256	3588	RdrCEF.exe	95

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\7277a055ceac15b2b2eb17e2286660d6.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:4932
- 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:3588
- - 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=2132D93D0A357B6915B862C6E98D2CE0 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3388
- - 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=4C6A527ADB61418A48C63DE923E3394F --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=4C6A527ADB61418A48C63DE923E3394F --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3256
- - 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=D69BB64F481B6251EA0A9E514FC90016 --mojo-platform-channel-handle=2028 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1272
- - 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=BC3D43D1F486180DFF550FB77BBE0CB1 --mojo-platform-channel-handle=1936 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2508
- - 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=1C7338A1000EC14524B181E23FF35DF4 --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=1C7338A1000EC14524B181E23FF35DF4 --renderer-client-id=6 --mojo-platform-channel-handle=2212 --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=F881481AB816B0B1D61850BF0C17DB4D --mojo-platform-channel-handle=2660 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1624

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3132

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
5cbb1d91cb168e7e0bea87447d73bd7a

SHA1
f86425d779fd895738f436de5b90cfd391c728f1

SHA256
e24d7002890f0295664cf3a3ff2824e52e5122932239477cc56213fb18327cf1

SHA512
83135a69c6440ee2456a8c59d84647a948c323a9740830ad03b504264bbe74c6fba48162492f277429f0eea030a147090aa36c09b1d69a8460b030451d146256

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