8e784475dcc0e703ff4f95991130378a34488a27d188288dacde541ec4b60772

Analysis

max time kernel
147s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
01/01/2024, 00:29

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General

Target

3b73eef9e4414bdce835ed29f324d521.pdf
Size

76KB
MD5

3b73eef9e4414bdce835ed29f324d521
SHA1

c4c86ae9d8660bac75553ec242048210c5fe0330
SHA256

8e784475dcc0e703ff4f95991130378a34488a27d188288dacde541ec4b60772
SHA512

d7c778769c27f43f5a5be114d7924b28e092ae4846b7eb271588578673c58d77565e9eb7cf1eb83a66da064dc267c3d21bf22225b4a6ce5469acbf0fdbd55579
SSDEEP

1536:SIbbyHWXFPwgoMy9kxMh56z8H7QoM2WQw/FEWCpOViXS8ZldlneJm:H5lynuz8bQoML/FNViX/Lz

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2496	AcroRd32.exe
2496	AcroRd32.exe
2496	AcroRd32.exe
2496	AcroRd32.exe
2496	AcroRd32.exe
2496	AcroRd32.exe
2496	AcroRd32.exe
2496	AcroRd32.exe
2496	AcroRd32.exe
2496	AcroRd32.exe
2496	AcroRd32.exe
2496	AcroRd32.exe
2496	AcroRd32.exe
2496	AcroRd32.exe
2496	AcroRd32.exe
2496	AcroRd32.exe
2496	AcroRd32.exe
2496	AcroRd32.exe
2496	AcroRd32.exe
2496	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2496	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2496	AcroRd32.exe
2496	AcroRd32.exe
2496	AcroRd32.exe
2496	AcroRd32.exe
2496	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2496 wrote to memory of 1572	2496	AcroRd32.exe	91
PID 2496 wrote to memory of 1572	2496	AcroRd32.exe	91
PID 2496 wrote to memory of 1572	2496	AcroRd32.exe	91
PID 1572 wrote to memory of 3684	1572	RdrCEF.exe	92
PID 1572 wrote to memory of 3684	1572	RdrCEF.exe	92
PID 1572 wrote to memory of 3684	1572	RdrCEF.exe	92
PID 1572 wrote to memory of 3684	1572	RdrCEF.exe	92
PID 1572 wrote to memory of 3684	1572	RdrCEF.exe	92
PID 1572 wrote to memory of 3684	1572	RdrCEF.exe	92
PID 1572 wrote to memory of 3684	1572	RdrCEF.exe	92
PID 1572 wrote to memory of 3684	1572	RdrCEF.exe	92
PID 1572 wrote to memory of 3684	1572	RdrCEF.exe	92
PID 1572 wrote to memory of 3684	1572	RdrCEF.exe	92
PID 1572 wrote to memory of 3684	1572	RdrCEF.exe	92
PID 1572 wrote to memory of 3684	1572	RdrCEF.exe	92
PID 1572 wrote to memory of 3684	1572	RdrCEF.exe	92
PID 1572 wrote to memory of 3684	1572	RdrCEF.exe	92
PID 1572 wrote to memory of 3684	1572	RdrCEF.exe	92
PID 1572 wrote to memory of 3684	1572	RdrCEF.exe	92
PID 1572 wrote to memory of 3684	1572	RdrCEF.exe	92
PID 1572 wrote to memory of 3684	1572	RdrCEF.exe	92
PID 1572 wrote to memory of 3684	1572	RdrCEF.exe	92
PID 1572 wrote to memory of 3684	1572	RdrCEF.exe	92
PID 1572 wrote to memory of 3684	1572	RdrCEF.exe	92
PID 1572 wrote to memory of 3684	1572	RdrCEF.exe	92
PID 1572 wrote to memory of 3684	1572	RdrCEF.exe	92
PID 1572 wrote to memory of 3684	1572	RdrCEF.exe	92
PID 1572 wrote to memory of 3684	1572	RdrCEF.exe	92
PID 1572 wrote to memory of 3684	1572	RdrCEF.exe	92
PID 1572 wrote to memory of 3684	1572	RdrCEF.exe	92
PID 1572 wrote to memory of 3684	1572	RdrCEF.exe	92
PID 1572 wrote to memory of 3684	1572	RdrCEF.exe	92
PID 1572 wrote to memory of 3684	1572	RdrCEF.exe	92
PID 1572 wrote to memory of 3684	1572	RdrCEF.exe	92
PID 1572 wrote to memory of 3684	1572	RdrCEF.exe	92
PID 1572 wrote to memory of 3684	1572	RdrCEF.exe	92
PID 1572 wrote to memory of 3684	1572	RdrCEF.exe	92
PID 1572 wrote to memory of 3684	1572	RdrCEF.exe	92
PID 1572 wrote to memory of 3684	1572	RdrCEF.exe	92
PID 1572 wrote to memory of 3684	1572	RdrCEF.exe	92
PID 1572 wrote to memory of 3684	1572	RdrCEF.exe	92
PID 1572 wrote to memory of 3684	1572	RdrCEF.exe	92
PID 1572 wrote to memory of 3684	1572	RdrCEF.exe	92
PID 1572 wrote to memory of 3684	1572	RdrCEF.exe	92
PID 1572 wrote to memory of 1156	1572	RdrCEF.exe	93
PID 1572 wrote to memory of 1156	1572	RdrCEF.exe	93
PID 1572 wrote to memory of 1156	1572	RdrCEF.exe	93
PID 1572 wrote to memory of 1156	1572	RdrCEF.exe	93
PID 1572 wrote to memory of 1156	1572	RdrCEF.exe	93
PID 1572 wrote to memory of 1156	1572	RdrCEF.exe	93
PID 1572 wrote to memory of 1156	1572	RdrCEF.exe	93
PID 1572 wrote to memory of 1156	1572	RdrCEF.exe	93
PID 1572 wrote to memory of 1156	1572	RdrCEF.exe	93
PID 1572 wrote to memory of 1156	1572	RdrCEF.exe	93
PID 1572 wrote to memory of 1156	1572	RdrCEF.exe	93
PID 1572 wrote to memory of 1156	1572	RdrCEF.exe	93
PID 1572 wrote to memory of 1156	1572	RdrCEF.exe	93
PID 1572 wrote to memory of 1156	1572	RdrCEF.exe	93
PID 1572 wrote to memory of 1156	1572	RdrCEF.exe	93
PID 1572 wrote to memory of 1156	1572	RdrCEF.exe	93
PID 1572 wrote to memory of 1156	1572	RdrCEF.exe	93
PID 1572 wrote to memory of 1156	1572	RdrCEF.exe	93
PID 1572 wrote to memory of 1156	1572	RdrCEF.exe	93
PID 1572 wrote to memory of 1156	1572	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\3b73eef9e4414bdce835ed29f324d521.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:2496
- 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:1572
- - 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=97AD55AB5C0AAE73850CC7208D69C174 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3684
- - 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=5AD5237FFEF88B8545E678E372852D72 --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=5AD5237FFEF88B8545E678E372852D72 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1156
- - 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=2D4D72BCEAFBEE22EEA1DA4717B0C3B7 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:540
- - 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=5718EC24C1BA02E0DA5F16E7DD8D87FB --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=5718EC24C1BA02E0DA5F16E7DD8D87FB --renderer-client-id=6 --mojo-platform-channel-handle=2340 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2612
- - 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=02A3E6246ECAF268E22A2FFEA64EE62E --mojo-platform-channel-handle=1900 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3276
- - 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=969C58759BC182F41FC294A86BF99CCF --mojo-platform-channel-handle=2668 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4948

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3836

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
096ae9b115c7b90372ad4a2767778bae

SHA1
422f7fdb83eb490658818ab42bb32f17a5061f6a

SHA256
c4774203204e584066177a5e65e9f6b5ae96116130396c87e46dd7b9d5532d73

SHA512
7121116cd7288cfbf059b363dd91a002c918e849f9a72ce1f2eaba28989eec39ae127f69c792d6cd40a0be2c0210bb1064a1535955f22a6f6be292db76800721

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
memory/2496-26-0x000000000A850000-0x000000000A8A0000-memory.dmp

Filesize
320KB

Download