dc92db17b41923bb8e061dbb46e274459ccbaca1ba981e03da3ca51b40ea00c4

Analysis

max time kernel
149s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 06:40

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General

Target

2bfc2f6385ced0858d5537f6d5b8d6c2.pdf
Size

83KB
MD5

2bfc2f6385ced0858d5537f6d5b8d6c2
SHA1

5c958c0fafbe121032d78c82a1d475b766c460ac
SHA256

dc92db17b41923bb8e061dbb46e274459ccbaca1ba981e03da3ca51b40ea00c4
SHA512

2f665299ade920c941a4329638c927397fe9570cbd82cb3552f66fabe721991a08109f2c7d1d7325929de73571a68c7e0c2bfb6125277448d6388dbe2e62e678
SSDEEP

1536:4DzEIcwM1mMjijz3XbDRm/FD6vnxCpmz/ztCKl+RAOZmvG7WmpO+CWN+w4mkCh6U:vMMjij7ZCFD4kqSmvD+aJ7zU

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2584	AcroRd32.exe
2584	AcroRd32.exe
2584	AcroRd32.exe
2584	AcroRd32.exe
2584	AcroRd32.exe
2584	AcroRd32.exe
2584	AcroRd32.exe
2584	AcroRd32.exe
2584	AcroRd32.exe
2584	AcroRd32.exe
2584	AcroRd32.exe
2584	AcroRd32.exe
2584	AcroRd32.exe
2584	AcroRd32.exe
2584	AcroRd32.exe
2584	AcroRd32.exe
2584	AcroRd32.exe
2584	AcroRd32.exe
2584	AcroRd32.exe
2584	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2584	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2584	AcroRd32.exe
2584	AcroRd32.exe
2584	AcroRd32.exe
2584	AcroRd32.exe
2584	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2584 wrote to memory of 216	2584	AcroRd32.exe	92
PID 2584 wrote to memory of 216	2584	AcroRd32.exe	92
PID 2584 wrote to memory of 216	2584	AcroRd32.exe	92
PID 216 wrote to memory of 2196	216	RdrCEF.exe	95
PID 216 wrote to memory of 2196	216	RdrCEF.exe	95
PID 216 wrote to memory of 2196	216	RdrCEF.exe	95
PID 216 wrote to memory of 2196	216	RdrCEF.exe	95
PID 216 wrote to memory of 2196	216	RdrCEF.exe	95
PID 216 wrote to memory of 2196	216	RdrCEF.exe	95
PID 216 wrote to memory of 2196	216	RdrCEF.exe	95
PID 216 wrote to memory of 2196	216	RdrCEF.exe	95
PID 216 wrote to memory of 2196	216	RdrCEF.exe	95
PID 216 wrote to memory of 2196	216	RdrCEF.exe	95
PID 216 wrote to memory of 2196	216	RdrCEF.exe	95
PID 216 wrote to memory of 2196	216	RdrCEF.exe	95
PID 216 wrote to memory of 2196	216	RdrCEF.exe	95
PID 216 wrote to memory of 2196	216	RdrCEF.exe	95
PID 216 wrote to memory of 2196	216	RdrCEF.exe	95
PID 216 wrote to memory of 2196	216	RdrCEF.exe	95
PID 216 wrote to memory of 2196	216	RdrCEF.exe	95
PID 216 wrote to memory of 2196	216	RdrCEF.exe	95
PID 216 wrote to memory of 2196	216	RdrCEF.exe	95
PID 216 wrote to memory of 2196	216	RdrCEF.exe	95
PID 216 wrote to memory of 2196	216	RdrCEF.exe	95
PID 216 wrote to memory of 2196	216	RdrCEF.exe	95
PID 216 wrote to memory of 2196	216	RdrCEF.exe	95
PID 216 wrote to memory of 2196	216	RdrCEF.exe	95
PID 216 wrote to memory of 2196	216	RdrCEF.exe	95
PID 216 wrote to memory of 2196	216	RdrCEF.exe	95
PID 216 wrote to memory of 2196	216	RdrCEF.exe	95
PID 216 wrote to memory of 2196	216	RdrCEF.exe	95
PID 216 wrote to memory of 2196	216	RdrCEF.exe	95
PID 216 wrote to memory of 2196	216	RdrCEF.exe	95
PID 216 wrote to memory of 2196	216	RdrCEF.exe	95
PID 216 wrote to memory of 2196	216	RdrCEF.exe	95
PID 216 wrote to memory of 2196	216	RdrCEF.exe	95
PID 216 wrote to memory of 2196	216	RdrCEF.exe	95
PID 216 wrote to memory of 2196	216	RdrCEF.exe	95
PID 216 wrote to memory of 2196	216	RdrCEF.exe	95
PID 216 wrote to memory of 2196	216	RdrCEF.exe	95
PID 216 wrote to memory of 2196	216	RdrCEF.exe	95
PID 216 wrote to memory of 2196	216	RdrCEF.exe	95
PID 216 wrote to memory of 2196	216	RdrCEF.exe	95
PID 216 wrote to memory of 2196	216	RdrCEF.exe	95
PID 216 wrote to memory of 3048	216	RdrCEF.exe	93
PID 216 wrote to memory of 3048	216	RdrCEF.exe	93
PID 216 wrote to memory of 3048	216	RdrCEF.exe	93
PID 216 wrote to memory of 3048	216	RdrCEF.exe	93
PID 216 wrote to memory of 3048	216	RdrCEF.exe	93
PID 216 wrote to memory of 3048	216	RdrCEF.exe	93
PID 216 wrote to memory of 3048	216	RdrCEF.exe	93
PID 216 wrote to memory of 3048	216	RdrCEF.exe	93
PID 216 wrote to memory of 3048	216	RdrCEF.exe	93
PID 216 wrote to memory of 3048	216	RdrCEF.exe	93
PID 216 wrote to memory of 3048	216	RdrCEF.exe	93
PID 216 wrote to memory of 3048	216	RdrCEF.exe	93
PID 216 wrote to memory of 3048	216	RdrCEF.exe	93
PID 216 wrote to memory of 3048	216	RdrCEF.exe	93
PID 216 wrote to memory of 3048	216	RdrCEF.exe	93
PID 216 wrote to memory of 3048	216	RdrCEF.exe	93
PID 216 wrote to memory of 3048	216	RdrCEF.exe	93
PID 216 wrote to memory of 3048	216	RdrCEF.exe	93
PID 216 wrote to memory of 3048	216	RdrCEF.exe	93
PID 216 wrote to memory of 3048	216	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\2bfc2f6385ced0858d5537f6d5b8d6c2.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:2584
- 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:216
- - 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=02F9497A5C986190D1D68EEF833C6B90 --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=02F9497A5C986190D1D68EEF833C6B90 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3048
- - 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=123672172539DEBA8E943A55ABDF156E --mojo-platform-channel-handle=1624 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2196
- - 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=47328DBE2030046B4FF88A3218748776 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3528
- - 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=997B705B4483D87523B62C3BE20714AF --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3976
- - 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=09F0F1859319F296895AF36BD33CB0C7 --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=09F0F1859319F296895AF36BD33CB0C7 --renderer-client-id=7 --mojo-platform-channel-handle=1956 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2568
- - 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=3C9422E9BEFAF4658D0CC81C3C542B08 --mojo-platform-channel-handle=1860 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:916

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1464

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
64KB

MD5
9b347e1578c769a7ae7c7f79ceaf07be

SHA1
1e5ccbec0f39a41fcda785a1fd65599f5e1433f7

SHA256
8bc8649ae64ff89f4423c33d2350489db108ffc57834b9589f50fc6cc5e546d4

SHA512
122c8fefe76d6b8a8c0415f13de7e0b57e9b603635d89cf758dd55ecef263206f074dfbe21a2c9d76883fe7936fac0fb3508d66d80397ceda72a35d46d46319c

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