de78c3c70f15acdc7d3a621c288b72837add895665cc682878839abae8092d29

Analysis

max time kernel
150s
max time network
172s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29-12-2023 23:51

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General

Target

0798bbcf922ea3c548b68c472dbd0ea6.pdf
Size

33KB
MD5

0798bbcf922ea3c548b68c472dbd0ea6
SHA1

6c3296497e8112a766ebd10713449a804e5f7dc9
SHA256

de78c3c70f15acdc7d3a621c288b72837add895665cc682878839abae8092d29
SHA512

4de413992241e59df60eb28278179578022d310e162f097b51554e888865094ffde00e2232466510edc80019ce4df728e29538a525bd6ccefd1e822768c39612
SSDEEP

768:fRHO4vBuVsvi4T35gXKhUW/NfEMBguMTeBr+pgd:ZHOIuJ4TaXWFfE4rMKd+pgd

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-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3588	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe
3588	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3588 wrote to memory of 3752	3588	AcroRd32.exe	91
PID 3588 wrote to memory of 3752	3588	AcroRd32.exe	91
PID 3588 wrote to memory of 3752	3588	AcroRd32.exe	91
PID 3752 wrote to memory of 3820	3752	RdrCEF.exe	92
PID 3752 wrote to memory of 3820	3752	RdrCEF.exe	92
PID 3752 wrote to memory of 3820	3752	RdrCEF.exe	92
PID 3752 wrote to memory of 3820	3752	RdrCEF.exe	92
PID 3752 wrote to memory of 3820	3752	RdrCEF.exe	92
PID 3752 wrote to memory of 3820	3752	RdrCEF.exe	92
PID 3752 wrote to memory of 3820	3752	RdrCEF.exe	92
PID 3752 wrote to memory of 3820	3752	RdrCEF.exe	92
PID 3752 wrote to memory of 3820	3752	RdrCEF.exe	92
PID 3752 wrote to memory of 3820	3752	RdrCEF.exe	92
PID 3752 wrote to memory of 3820	3752	RdrCEF.exe	92
PID 3752 wrote to memory of 3820	3752	RdrCEF.exe	92
PID 3752 wrote to memory of 3820	3752	RdrCEF.exe	92
PID 3752 wrote to memory of 3820	3752	RdrCEF.exe	92
PID 3752 wrote to memory of 3820	3752	RdrCEF.exe	92
PID 3752 wrote to memory of 3820	3752	RdrCEF.exe	92
PID 3752 wrote to memory of 3820	3752	RdrCEF.exe	92
PID 3752 wrote to memory of 3820	3752	RdrCEF.exe	92
PID 3752 wrote to memory of 3820	3752	RdrCEF.exe	92
PID 3752 wrote to memory of 3820	3752	RdrCEF.exe	92
PID 3752 wrote to memory of 3820	3752	RdrCEF.exe	92
PID 3752 wrote to memory of 3820	3752	RdrCEF.exe	92
PID 3752 wrote to memory of 3820	3752	RdrCEF.exe	92
PID 3752 wrote to memory of 3820	3752	RdrCEF.exe	92
PID 3752 wrote to memory of 3820	3752	RdrCEF.exe	92
PID 3752 wrote to memory of 3820	3752	RdrCEF.exe	92
PID 3752 wrote to memory of 3820	3752	RdrCEF.exe	92
PID 3752 wrote to memory of 3820	3752	RdrCEF.exe	92
PID 3752 wrote to memory of 3820	3752	RdrCEF.exe	92
PID 3752 wrote to memory of 3820	3752	RdrCEF.exe	92
PID 3752 wrote to memory of 3820	3752	RdrCEF.exe	92
PID 3752 wrote to memory of 3820	3752	RdrCEF.exe	92
PID 3752 wrote to memory of 3820	3752	RdrCEF.exe	92
PID 3752 wrote to memory of 3820	3752	RdrCEF.exe	92
PID 3752 wrote to memory of 3820	3752	RdrCEF.exe	92
PID 3752 wrote to memory of 3820	3752	RdrCEF.exe	92
PID 3752 wrote to memory of 3820	3752	RdrCEF.exe	92
PID 3752 wrote to memory of 3820	3752	RdrCEF.exe	92
PID 3752 wrote to memory of 3820	3752	RdrCEF.exe	92
PID 3752 wrote to memory of 3820	3752	RdrCEF.exe	92
PID 3752 wrote to memory of 3820	3752	RdrCEF.exe	92
PID 3752 wrote to memory of 3992	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 3992	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 3992	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 3992	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 3992	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 3992	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 3992	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 3992	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 3992	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 3992	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 3992	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 3992	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 3992	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 3992	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 3992	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 3992	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 3992	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 3992	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 3992	3752	RdrCEF.exe	93
PID 3752 wrote to memory of 3992	3752	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\0798bbcf922ea3c548b68c472dbd0ea6.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: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" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3752
- - 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=426B6B6AD08B8F6FF551D0BA1AD1D843 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3820
- - 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=9ED0B5C446A5AD63B255C9A92253DDA2 --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=9ED0B5C446A5AD63B255C9A92253DDA2 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3992
- - 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=BF9F852457A2BD16C22D64114A58D46A --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:916
- - 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=D813DBAA9AD9C0E55860617C7D360E38 --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=D813DBAA9AD9C0E55860617C7D360E38 --renderer-client-id=5 --mojo-platform-channel-handle=1956 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4528
- - 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=50C928E6358FB53E31A263DFCBC7E181 --mojo-platform-channel-handle=2680 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1436
- - 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=2E21F7ABE6B24F3A2C396EB0826B8BE6 --mojo-platform-channel-handle=1904 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2212

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
29a4cdc420432b119f19e3a1b1d8cbd0

SHA1
2d556bc2b39bb351113bdc17d853594b86fc2b5a

SHA256
b5022cf4cf0ff1b316e94e94e228ae5ceb2406f88b41a183fd10b2387620c87a

SHA512
a96b285bd94a247492384aeafa0a9ffe6b9c13acfe4f29fdcec2e714176318809a784b035c0e8f4b8b7601642c1bcf19a3a912d46148469601de7f6996522ccf

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