a941566f2cec16da09d19b81d61c2b490ad07e3ad6ef2d35396cd1b951746db6

Analysis

max time kernel
142s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
27/01/2024, 18:35

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General

Target

7af88bc2e7916d9cc3d6c05da6fc1cf5.pdf
Size

75KB
MD5

7af88bc2e7916d9cc3d6c05da6fc1cf5
SHA1

59a8cd683db7d4acc1589149fc4f13cd2fcff5ca
SHA256

a941566f2cec16da09d19b81d61c2b490ad07e3ad6ef2d35396cd1b951746db6
SHA512

4fc165c6305830d16a35c99c023b13294952978e48b3e717cc14b81c99613920575991ad2c78179a4a9ce2a8280a3e22a557df56a59ab6be64e819436c87d4a5
SSDEEP

1536:mSOn1w21ypIJrD40GWCuxS2XzJ7EiqJfjkl+wZWyJL0sZWbpONQ7HVWZuhVW:U1LIpYrDMWCuxS2t7Ei2jM+wPgsbNQ7u

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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1904	AcroRd32.exe
1904	AcroRd32.exe
1904	AcroRd32.exe
1904	AcroRd32.exe
1904	AcroRd32.exe
1904	AcroRd32.exe
1904	AcroRd32.exe
1904	AcroRd32.exe
1904	AcroRd32.exe
1904	AcroRd32.exe
1904	AcroRd32.exe
1904	AcroRd32.exe
1904	AcroRd32.exe
1904	AcroRd32.exe
1904	AcroRd32.exe
1904	AcroRd32.exe
1904	AcroRd32.exe
1904	AcroRd32.exe
1904	AcroRd32.exe
1904	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1904	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1904	AcroRd32.exe
1904	AcroRd32.exe
1904	AcroRd32.exe
1904	AcroRd32.exe
1904	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1904 wrote to memory of 4944	1904	AcroRd32.exe	91
PID 1904 wrote to memory of 4944	1904	AcroRd32.exe	91
PID 1904 wrote to memory of 4944	1904	AcroRd32.exe	91
PID 4944 wrote to memory of 1484	4944	RdrCEF.exe	94
PID 4944 wrote to memory of 1484	4944	RdrCEF.exe	94
PID 4944 wrote to memory of 1484	4944	RdrCEF.exe	94
PID 4944 wrote to memory of 1484	4944	RdrCEF.exe	94
PID 4944 wrote to memory of 1484	4944	RdrCEF.exe	94
PID 4944 wrote to memory of 1484	4944	RdrCEF.exe	94
PID 4944 wrote to memory of 1484	4944	RdrCEF.exe	94
PID 4944 wrote to memory of 1484	4944	RdrCEF.exe	94
PID 4944 wrote to memory of 1484	4944	RdrCEF.exe	94
PID 4944 wrote to memory of 1484	4944	RdrCEF.exe	94
PID 4944 wrote to memory of 1484	4944	RdrCEF.exe	94
PID 4944 wrote to memory of 1484	4944	RdrCEF.exe	94
PID 4944 wrote to memory of 1484	4944	RdrCEF.exe	94
PID 4944 wrote to memory of 1484	4944	RdrCEF.exe	94
PID 4944 wrote to memory of 1484	4944	RdrCEF.exe	94
PID 4944 wrote to memory of 1484	4944	RdrCEF.exe	94
PID 4944 wrote to memory of 1484	4944	RdrCEF.exe	94
PID 4944 wrote to memory of 1484	4944	RdrCEF.exe	94
PID 4944 wrote to memory of 1484	4944	RdrCEF.exe	94
PID 4944 wrote to memory of 1484	4944	RdrCEF.exe	94
PID 4944 wrote to memory of 1484	4944	RdrCEF.exe	94
PID 4944 wrote to memory of 1484	4944	RdrCEF.exe	94
PID 4944 wrote to memory of 1484	4944	RdrCEF.exe	94
PID 4944 wrote to memory of 1484	4944	RdrCEF.exe	94
PID 4944 wrote to memory of 1484	4944	RdrCEF.exe	94
PID 4944 wrote to memory of 1484	4944	RdrCEF.exe	94
PID 4944 wrote to memory of 1484	4944	RdrCEF.exe	94
PID 4944 wrote to memory of 1484	4944	RdrCEF.exe	94
PID 4944 wrote to memory of 1484	4944	RdrCEF.exe	94
PID 4944 wrote to memory of 1484	4944	RdrCEF.exe	94
PID 4944 wrote to memory of 1484	4944	RdrCEF.exe	94
PID 4944 wrote to memory of 1484	4944	RdrCEF.exe	94
PID 4944 wrote to memory of 1484	4944	RdrCEF.exe	94
PID 4944 wrote to memory of 1484	4944	RdrCEF.exe	94
PID 4944 wrote to memory of 1484	4944	RdrCEF.exe	94
PID 4944 wrote to memory of 1484	4944	RdrCEF.exe	94
PID 4944 wrote to memory of 1484	4944	RdrCEF.exe	94
PID 4944 wrote to memory of 1484	4944	RdrCEF.exe	94
PID 4944 wrote to memory of 1484	4944	RdrCEF.exe	94
PID 4944 wrote to memory of 1484	4944	RdrCEF.exe	94
PID 4944 wrote to memory of 1484	4944	RdrCEF.exe	94
PID 4944 wrote to memory of 4364	4944	RdrCEF.exe	95
PID 4944 wrote to memory of 4364	4944	RdrCEF.exe	95
PID 4944 wrote to memory of 4364	4944	RdrCEF.exe	95
PID 4944 wrote to memory of 4364	4944	RdrCEF.exe	95
PID 4944 wrote to memory of 4364	4944	RdrCEF.exe	95
PID 4944 wrote to memory of 4364	4944	RdrCEF.exe	95
PID 4944 wrote to memory of 4364	4944	RdrCEF.exe	95
PID 4944 wrote to memory of 4364	4944	RdrCEF.exe	95
PID 4944 wrote to memory of 4364	4944	RdrCEF.exe	95
PID 4944 wrote to memory of 4364	4944	RdrCEF.exe	95
PID 4944 wrote to memory of 4364	4944	RdrCEF.exe	95
PID 4944 wrote to memory of 4364	4944	RdrCEF.exe	95
PID 4944 wrote to memory of 4364	4944	RdrCEF.exe	95
PID 4944 wrote to memory of 4364	4944	RdrCEF.exe	95
PID 4944 wrote to memory of 4364	4944	RdrCEF.exe	95
PID 4944 wrote to memory of 4364	4944	RdrCEF.exe	95
PID 4944 wrote to memory of 4364	4944	RdrCEF.exe	95
PID 4944 wrote to memory of 4364	4944	RdrCEF.exe	95
PID 4944 wrote to memory of 4364	4944	RdrCEF.exe	95
PID 4944 wrote to memory of 4364	4944	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\7af88bc2e7916d9cc3d6c05da6fc1cf5.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:1904
- 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: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=4792523B3D2D8BAB341FECFC43BFE5F1 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1484
- - 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=7777046D870FBF8135C3F489CD2F1258 --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=7777046D870FBF8135C3F489CD2F1258 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4364
- - 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=47D1A983AC3AD30B328389E78C68208F --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2360
- - 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=01F1C6AED346A25D5A0CE2B0C10F90BB --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=01F1C6AED346A25D5A0CE2B0C10F90BB --renderer-client-id=5 --mojo-platform-channel-handle=2336 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3384
- - 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=99164C0B3BBBEA27A809560C7EBF9750 --mojo-platform-channel-handle=1976 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4268
- - 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=FBD62F6B8A231F4485A91742C6F17777 --mojo-platform-channel-handle=2668 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3432

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
5d84e47f0e7bc3c7e0c23e9689ed7996

SHA1
f36f7f58dec84b5a736497d15d166f3c9672a396

SHA256
2b5cfe37f6b40fbfd4fd48fdc3c2672f0c464474be750f66af5cd4c5954d9651

SHA512
27d9db7e7543b4af3b2cb0985a0f71e19add9e5547c0629a92fd646c0a8c980a7054fb199c62974e06a6c089d3e168045101d42067a8628f33195ee89d41d0bc

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