2d4fb150a9f2dbdf19bdd45b58329c4da40b6d7e0819a5f24a842695f0d43ab6

Analysis

max time kernel
291s
max time network
273s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
16/10/2023, 10:34

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General

Target

OSMR - EXP312 hide01.ir (2021).pdf
Size

24.5MB
MD5

2bb4b595f2d561a6b63598d6656c4703
SHA1

adeb2e5a98b4d03dceb72c2e20ce1c8d03b11fca
SHA256

2d4fb150a9f2dbdf19bdd45b58329c4da40b6d7e0819a5f24a842695f0d43ab6
SHA512

f9d519cb8e055a3aebe585e75a451e4d3e481bec0cfa991559132af29fa26e78084f6198a53f23f955ce7c25a1d3cbc6ec5c11e02a71d6aee1cb2a65bfe15694
SSDEEP

393216:QMRogMeC55IwjH0LknE2iL4IcSbv1l+3ExLXkhXtx0Qo1j44v:QMRPCDqeE2M4Iv599kxBBc

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-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3892	AcroRd32.exe
3892	AcroRd32.exe
3892	AcroRd32.exe
3892	AcroRd32.exe
3892	AcroRd32.exe
3892	AcroRd32.exe
3892	AcroRd32.exe
3892	AcroRd32.exe
3892	AcroRd32.exe
3892	AcroRd32.exe
3892	AcroRd32.exe
3892	AcroRd32.exe
3892	AcroRd32.exe
3892	AcroRd32.exe
3892	AcroRd32.exe
3892	AcroRd32.exe
3892	AcroRd32.exe
3892	AcroRd32.exe
3892	AcroRd32.exe
3892	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3892	AcroRd32.exe
3892	AcroRd32.exe
3892	AcroRd32.exe
3892	AcroRd32.exe
3892	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3892 wrote to memory of 4716	3892	AcroRd32.exe	88
PID 3892 wrote to memory of 4716	3892	AcroRd32.exe	88
PID 3892 wrote to memory of 4716	3892	AcroRd32.exe	88
PID 4716 wrote to memory of 3760	4716	RdrCEF.exe	89
PID 4716 wrote to memory of 3760	4716	RdrCEF.exe	89
PID 4716 wrote to memory of 3760	4716	RdrCEF.exe	89
PID 4716 wrote to memory of 3760	4716	RdrCEF.exe	89
PID 4716 wrote to memory of 3760	4716	RdrCEF.exe	89
PID 4716 wrote to memory of 3760	4716	RdrCEF.exe	89
PID 4716 wrote to memory of 3760	4716	RdrCEF.exe	89
PID 4716 wrote to memory of 3760	4716	RdrCEF.exe	89
PID 4716 wrote to memory of 3760	4716	RdrCEF.exe	89
PID 4716 wrote to memory of 3760	4716	RdrCEF.exe	89
PID 4716 wrote to memory of 3760	4716	RdrCEF.exe	89
PID 4716 wrote to memory of 3760	4716	RdrCEF.exe	89
PID 4716 wrote to memory of 3760	4716	RdrCEF.exe	89
PID 4716 wrote to memory of 3760	4716	RdrCEF.exe	89
PID 4716 wrote to memory of 3760	4716	RdrCEF.exe	89
PID 4716 wrote to memory of 3760	4716	RdrCEF.exe	89
PID 4716 wrote to memory of 3760	4716	RdrCEF.exe	89
PID 4716 wrote to memory of 3760	4716	RdrCEF.exe	89
PID 4716 wrote to memory of 3760	4716	RdrCEF.exe	89
PID 4716 wrote to memory of 3760	4716	RdrCEF.exe	89
PID 4716 wrote to memory of 3760	4716	RdrCEF.exe	89
PID 4716 wrote to memory of 3760	4716	RdrCEF.exe	89
PID 4716 wrote to memory of 3760	4716	RdrCEF.exe	89
PID 4716 wrote to memory of 3760	4716	RdrCEF.exe	89
PID 4716 wrote to memory of 3760	4716	RdrCEF.exe	89
PID 4716 wrote to memory of 3760	4716	RdrCEF.exe	89
PID 4716 wrote to memory of 3760	4716	RdrCEF.exe	89
PID 4716 wrote to memory of 3760	4716	RdrCEF.exe	89
PID 4716 wrote to memory of 3760	4716	RdrCEF.exe	89
PID 4716 wrote to memory of 3760	4716	RdrCEF.exe	89
PID 4716 wrote to memory of 3760	4716	RdrCEF.exe	89
PID 4716 wrote to memory of 3760	4716	RdrCEF.exe	89
PID 4716 wrote to memory of 3760	4716	RdrCEF.exe	89
PID 4716 wrote to memory of 3760	4716	RdrCEF.exe	89
PID 4716 wrote to memory of 3760	4716	RdrCEF.exe	89
PID 4716 wrote to memory of 3760	4716	RdrCEF.exe	89
PID 4716 wrote to memory of 3760	4716	RdrCEF.exe	89
PID 4716 wrote to memory of 3760	4716	RdrCEF.exe	89
PID 4716 wrote to memory of 3760	4716	RdrCEF.exe	89
PID 4716 wrote to memory of 3760	4716	RdrCEF.exe	89
PID 4716 wrote to memory of 3760	4716	RdrCEF.exe	89
PID 4716 wrote to memory of 3744	4716	RdrCEF.exe	90
PID 4716 wrote to memory of 3744	4716	RdrCEF.exe	90
PID 4716 wrote to memory of 3744	4716	RdrCEF.exe	90
PID 4716 wrote to memory of 3744	4716	RdrCEF.exe	90
PID 4716 wrote to memory of 3744	4716	RdrCEF.exe	90
PID 4716 wrote to memory of 3744	4716	RdrCEF.exe	90
PID 4716 wrote to memory of 3744	4716	RdrCEF.exe	90
PID 4716 wrote to memory of 3744	4716	RdrCEF.exe	90
PID 4716 wrote to memory of 3744	4716	RdrCEF.exe	90
PID 4716 wrote to memory of 3744	4716	RdrCEF.exe	90
PID 4716 wrote to memory of 3744	4716	RdrCEF.exe	90
PID 4716 wrote to memory of 3744	4716	RdrCEF.exe	90
PID 4716 wrote to memory of 3744	4716	RdrCEF.exe	90
PID 4716 wrote to memory of 3744	4716	RdrCEF.exe	90
PID 4716 wrote to memory of 3744	4716	RdrCEF.exe	90
PID 4716 wrote to memory of 3744	4716	RdrCEF.exe	90
PID 4716 wrote to memory of 3744	4716	RdrCEF.exe	90
PID 4716 wrote to memory of 3744	4716	RdrCEF.exe	90
PID 4716 wrote to memory of 3744	4716	RdrCEF.exe	90
PID 4716 wrote to memory of 3744	4716	RdrCEF.exe	90

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\OSMR - EXP312 hide01.ir (2021).pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3892
- 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:4716
- - 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=27FEBC5B869BF96B74549A36E3C0B7A0 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3760
- - 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=2DB98BA7ADEDD7CDEF7A9CA409100318 --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=2DB98BA7ADEDD7CDEF7A9CA409100318 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3744
- - 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=A665A029F48E7E7C93C4E6D280629523 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3996
- - 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=BA91563E1AC12B298A7D99F907EBD34D --mojo-platform-channel-handle=1864 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4944
- - 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=4378FCBB26C218E6F486773E657F2CBD --mojo-platform-channel-handle=1708 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2232

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1004

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
c85943117b19bc3b1d04a6a113a12378

SHA1
70911ddc5a109155f674dd0553ffadaf0fe9102f

SHA256
a6245c8ae76da705accee7672fa0b199b5a6e970f11c7e5ad3555e38f024a06c

SHA512
9f44f4e8bc1ab3640888eb5a2050b6e6d2ef5873f9f969055ae20cf865fc7bfba55ebc0a2c33c4f0686a858af593464e83f4cacb63b70dbf8d56811ce4dc76b5

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