6266ae89d8bd1aed0f637bb4dd67958720cba1d2ef5502883d3267bcaa1d6141

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 07:25

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General

Target

0e931b9cb3bd83a4f31ed18588bc8991.pdf
Size

86KB
MD5

0e931b9cb3bd83a4f31ed18588bc8991
SHA1

4bb250462c43239549eaf47f284dae4664023aa2
SHA256

6266ae89d8bd1aed0f637bb4dd67958720cba1d2ef5502883d3267bcaa1d6141
SHA512

1b91e5c55d36984dce4b721443cd79f4104d5c790dd49b297c07533a02a3bdeadbd55fe91b1265cf571fb33bbd019a3c5da9ae45c53c024606fbc17f7135558d
SSDEEP

1536:gbxEW3Hkwu+tW8JlEoRxLVSiU5U/iImtLUDAP19C22Q6FWHlFk+FQWapOtQvG9+N:MxEukwuHePLVRU5+i2EP19zmml+mJtQr

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4888	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe
4888	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4888 wrote to memory of 4552	4888	AcroRd32.exe	92
PID 4888 wrote to memory of 4552	4888	AcroRd32.exe	92
PID 4888 wrote to memory of 4552	4888	AcroRd32.exe	92
PID 4552 wrote to memory of 1296	4552	RdrCEF.exe	93
PID 4552 wrote to memory of 1296	4552	RdrCEF.exe	93
PID 4552 wrote to memory of 1296	4552	RdrCEF.exe	93
PID 4552 wrote to memory of 1296	4552	RdrCEF.exe	93
PID 4552 wrote to memory of 1296	4552	RdrCEF.exe	93
PID 4552 wrote to memory of 1296	4552	RdrCEF.exe	93
PID 4552 wrote to memory of 1296	4552	RdrCEF.exe	93
PID 4552 wrote to memory of 1296	4552	RdrCEF.exe	93
PID 4552 wrote to memory of 1296	4552	RdrCEF.exe	93
PID 4552 wrote to memory of 1296	4552	RdrCEF.exe	93
PID 4552 wrote to memory of 1296	4552	RdrCEF.exe	93
PID 4552 wrote to memory of 1296	4552	RdrCEF.exe	93
PID 4552 wrote to memory of 1296	4552	RdrCEF.exe	93
PID 4552 wrote to memory of 1296	4552	RdrCEF.exe	93
PID 4552 wrote to memory of 1296	4552	RdrCEF.exe	93
PID 4552 wrote to memory of 1296	4552	RdrCEF.exe	93
PID 4552 wrote to memory of 1296	4552	RdrCEF.exe	93
PID 4552 wrote to memory of 1296	4552	RdrCEF.exe	93
PID 4552 wrote to memory of 1296	4552	RdrCEF.exe	93
PID 4552 wrote to memory of 1296	4552	RdrCEF.exe	93
PID 4552 wrote to memory of 1296	4552	RdrCEF.exe	93
PID 4552 wrote to memory of 1296	4552	RdrCEF.exe	93
PID 4552 wrote to memory of 1296	4552	RdrCEF.exe	93
PID 4552 wrote to memory of 1296	4552	RdrCEF.exe	93
PID 4552 wrote to memory of 1296	4552	RdrCEF.exe	93
PID 4552 wrote to memory of 1296	4552	RdrCEF.exe	93
PID 4552 wrote to memory of 1296	4552	RdrCEF.exe	93
PID 4552 wrote to memory of 1296	4552	RdrCEF.exe	93
PID 4552 wrote to memory of 1296	4552	RdrCEF.exe	93
PID 4552 wrote to memory of 1296	4552	RdrCEF.exe	93
PID 4552 wrote to memory of 1296	4552	RdrCEF.exe	93
PID 4552 wrote to memory of 1296	4552	RdrCEF.exe	93
PID 4552 wrote to memory of 1296	4552	RdrCEF.exe	93
PID 4552 wrote to memory of 1296	4552	RdrCEF.exe	93
PID 4552 wrote to memory of 1296	4552	RdrCEF.exe	93
PID 4552 wrote to memory of 1296	4552	RdrCEF.exe	93
PID 4552 wrote to memory of 1296	4552	RdrCEF.exe	93
PID 4552 wrote to memory of 1296	4552	RdrCEF.exe	93
PID 4552 wrote to memory of 1296	4552	RdrCEF.exe	93
PID 4552 wrote to memory of 1296	4552	RdrCEF.exe	93
PID 4552 wrote to memory of 1296	4552	RdrCEF.exe	93
PID 4552 wrote to memory of 1896	4552	RdrCEF.exe	94
PID 4552 wrote to memory of 1896	4552	RdrCEF.exe	94
PID 4552 wrote to memory of 1896	4552	RdrCEF.exe	94
PID 4552 wrote to memory of 1896	4552	RdrCEF.exe	94
PID 4552 wrote to memory of 1896	4552	RdrCEF.exe	94
PID 4552 wrote to memory of 1896	4552	RdrCEF.exe	94
PID 4552 wrote to memory of 1896	4552	RdrCEF.exe	94
PID 4552 wrote to memory of 1896	4552	RdrCEF.exe	94
PID 4552 wrote to memory of 1896	4552	RdrCEF.exe	94
PID 4552 wrote to memory of 1896	4552	RdrCEF.exe	94
PID 4552 wrote to memory of 1896	4552	RdrCEF.exe	94
PID 4552 wrote to memory of 1896	4552	RdrCEF.exe	94
PID 4552 wrote to memory of 1896	4552	RdrCEF.exe	94
PID 4552 wrote to memory of 1896	4552	RdrCEF.exe	94
PID 4552 wrote to memory of 1896	4552	RdrCEF.exe	94
PID 4552 wrote to memory of 1896	4552	RdrCEF.exe	94
PID 4552 wrote to memory of 1896	4552	RdrCEF.exe	94
PID 4552 wrote to memory of 1896	4552	RdrCEF.exe	94
PID 4552 wrote to memory of 1896	4552	RdrCEF.exe	94
PID 4552 wrote to memory of 1896	4552	RdrCEF.exe	94

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\0e931b9cb3bd83a4f31ed18588bc8991.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:4888
- 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:4552
- - 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=700ABDF63FEA99D0304CDBE85EC2F770 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1296
- - 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=8FDDA37E17E1B1D43473DA9941DA3D4C --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=8FDDA37E17E1B1D43473DA9941DA3D4C --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1896
- - 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=2B66B5D27F362C38986C3F4821EA02B2 --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4556
- - 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=F1E4CCFC31701350B47B513B672CBC25 --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=F1E4CCFC31701350B47B513B672CBC25 --renderer-client-id=6 --mojo-platform-channel-handle=1608 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4636
- - 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=338D0135AAD7821D065DB75DD62273C2 --mojo-platform-channel-handle=2440 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2324
- - 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=7BE266FD97671450F142C949A087174A --mojo-platform-channel-handle=1780 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4192

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3696

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
becd43f733e082c3a2dd6916dfc7bab9

SHA1
c43df6254c38600b027e85485e64b02fd6b412c8

SHA256
498f30b1ad004ef97904ec8e6af5d62f858479a321ef7e8d4e7f25f0cb2fae82

SHA512
72d8cecf92f183c6779082adbb682e50da4657e745ffb342f4e438ea13dc85980f1de0b6044a52668f31fa6d7d9b876e042e5b2d378739ba75ce6fd1add8a938

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
memory/4888-26-0x000000000BBF0000-0x000000000BC40000-memory.dmp

Filesize
320KB

Download