0e912d7d2653b3cbd7fbcf198b1285912c4c05fcb8317860842c944e9872c37a

Analysis

max time kernel
148s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19/12/2023, 22:06

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General

Target

b167d474b997abcb223130fd43be2f5b.pdf
Size

62KB
MD5

b167d474b997abcb223130fd43be2f5b
SHA1

1c7644ec6ade09efcbadae6be33acc5554b2048c
SHA256

0e912d7d2653b3cbd7fbcf198b1285912c4c05fcb8317860842c944e9872c37a
SHA512

2480f05a3e4f42b95608b559351d1f509d20d5ec0451a82b0ebb85bbe3b594b08b3b164d3279bb8b4615979881df94d4c31527e03b87459ea43916646432af65
SSDEEP

1536:bZ8T/czVBuRw7/5SMdlJ1/zztETXmZ+jG+n5B:6TUBuyrcSlJoE+jGM

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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe
4412	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4412 wrote to memory of 1232	4412	AcroRd32.exe	92
PID 4412 wrote to memory of 1232	4412	AcroRd32.exe	92
PID 4412 wrote to memory of 1232	4412	AcroRd32.exe	92
PID 1232 wrote to memory of 4336	1232	RdrCEF.exe	93
PID 1232 wrote to memory of 4336	1232	RdrCEF.exe	93
PID 1232 wrote to memory of 4336	1232	RdrCEF.exe	93
PID 1232 wrote to memory of 4336	1232	RdrCEF.exe	93
PID 1232 wrote to memory of 4336	1232	RdrCEF.exe	93
PID 1232 wrote to memory of 4336	1232	RdrCEF.exe	93
PID 1232 wrote to memory of 4336	1232	RdrCEF.exe	93
PID 1232 wrote to memory of 4336	1232	RdrCEF.exe	93
PID 1232 wrote to memory of 4336	1232	RdrCEF.exe	93
PID 1232 wrote to memory of 4336	1232	RdrCEF.exe	93
PID 1232 wrote to memory of 4336	1232	RdrCEF.exe	93
PID 1232 wrote to memory of 4336	1232	RdrCEF.exe	93
PID 1232 wrote to memory of 4336	1232	RdrCEF.exe	93
PID 1232 wrote to memory of 4336	1232	RdrCEF.exe	93
PID 1232 wrote to memory of 4336	1232	RdrCEF.exe	93
PID 1232 wrote to memory of 4336	1232	RdrCEF.exe	93
PID 1232 wrote to memory of 4336	1232	RdrCEF.exe	93
PID 1232 wrote to memory of 4336	1232	RdrCEF.exe	93
PID 1232 wrote to memory of 4336	1232	RdrCEF.exe	93
PID 1232 wrote to memory of 4336	1232	RdrCEF.exe	93
PID 1232 wrote to memory of 4336	1232	RdrCEF.exe	93
PID 1232 wrote to memory of 4336	1232	RdrCEF.exe	93
PID 1232 wrote to memory of 4336	1232	RdrCEF.exe	93
PID 1232 wrote to memory of 4336	1232	RdrCEF.exe	93
PID 1232 wrote to memory of 4336	1232	RdrCEF.exe	93
PID 1232 wrote to memory of 4336	1232	RdrCEF.exe	93
PID 1232 wrote to memory of 4336	1232	RdrCEF.exe	93
PID 1232 wrote to memory of 4336	1232	RdrCEF.exe	93
PID 1232 wrote to memory of 4336	1232	RdrCEF.exe	93
PID 1232 wrote to memory of 4336	1232	RdrCEF.exe	93
PID 1232 wrote to memory of 4336	1232	RdrCEF.exe	93
PID 1232 wrote to memory of 4336	1232	RdrCEF.exe	93
PID 1232 wrote to memory of 4336	1232	RdrCEF.exe	93
PID 1232 wrote to memory of 4336	1232	RdrCEF.exe	93
PID 1232 wrote to memory of 4336	1232	RdrCEF.exe	93
PID 1232 wrote to memory of 4336	1232	RdrCEF.exe	93
PID 1232 wrote to memory of 4336	1232	RdrCEF.exe	93
PID 1232 wrote to memory of 4336	1232	RdrCEF.exe	93
PID 1232 wrote to memory of 4336	1232	RdrCEF.exe	93
PID 1232 wrote to memory of 4336	1232	RdrCEF.exe	93
PID 1232 wrote to memory of 4336	1232	RdrCEF.exe	93
PID 1232 wrote to memory of 3168	1232	RdrCEF.exe	94
PID 1232 wrote to memory of 3168	1232	RdrCEF.exe	94
PID 1232 wrote to memory of 3168	1232	RdrCEF.exe	94
PID 1232 wrote to memory of 3168	1232	RdrCEF.exe	94
PID 1232 wrote to memory of 3168	1232	RdrCEF.exe	94
PID 1232 wrote to memory of 3168	1232	RdrCEF.exe	94
PID 1232 wrote to memory of 3168	1232	RdrCEF.exe	94
PID 1232 wrote to memory of 3168	1232	RdrCEF.exe	94
PID 1232 wrote to memory of 3168	1232	RdrCEF.exe	94
PID 1232 wrote to memory of 3168	1232	RdrCEF.exe	94
PID 1232 wrote to memory of 3168	1232	RdrCEF.exe	94
PID 1232 wrote to memory of 3168	1232	RdrCEF.exe	94
PID 1232 wrote to memory of 3168	1232	RdrCEF.exe	94
PID 1232 wrote to memory of 3168	1232	RdrCEF.exe	94
PID 1232 wrote to memory of 3168	1232	RdrCEF.exe	94
PID 1232 wrote to memory of 3168	1232	RdrCEF.exe	94
PID 1232 wrote to memory of 3168	1232	RdrCEF.exe	94
PID 1232 wrote to memory of 3168	1232	RdrCEF.exe	94
PID 1232 wrote to memory of 3168	1232	RdrCEF.exe	94
PID 1232 wrote to memory of 3168	1232	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\b167d474b997abcb223130fd43be2f5b.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4412
- 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:1232
- - 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=FC42931EB642FC0B7A2A05B336452AA8 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4336
- - 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=AE76F48CBB2E8E74C9116C8DD111D8D0 --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=AE76F48CBB2E8E74C9116C8DD111D8D0 --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3168
- - 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=2C1B3E6C90FDCFCC6062148131863A3D --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:436
- - 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=E066CF12CCCD7B064EC5E200727D8D3B --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4112
- - 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=6CE55091934E41312A52D8F434185289 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1592

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1996

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
2eed211197af4a556938ab78a1962209

SHA1
372c14c724644c48480caeee08e2caa976a545c1

SHA256
00e8200a79d2de59ddfc1c30dfb26bb268a314ea53f79ee7531f54616c2f2bcb

SHA512
901f9a3ca1977e244047d9e199c468f2905b172d4515d1a4c0e73312bc08ccd281aa3333afada89ba812966f0d41966bbfcfa939ca1dbe77c9afdce39051dbb2

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