0c7bd2056c9f502fcdac5d4f613c0f8ae5f903b950d4008e207fa64ed01a64a8

Analysis

max time kernel
141s
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
30/12/2023, 22:49

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General

Target

1ef95ccb77bd526b7c3b9942ac4c1a39.pdf
Size

86KB
MD5

1ef95ccb77bd526b7c3b9942ac4c1a39
SHA1

5982156e1fdbb97cc2606653076ebe65fef396ed
SHA256

0c7bd2056c9f502fcdac5d4f613c0f8ae5f903b950d4008e207fa64ed01a64a8
SHA512

9e5cbbc22608bf88b797cf4e4464a61301da8b769a56fe090e059a65d3fc36d1a9e64ba9c6b6809b6957fd3d48a30ee52a5e53904664eb3d57ce9f8f741c0795
SSDEEP

1536:cU9/nfUwnDYxjjhOM4KUl6grHNF4GjkYzaW2vDfX0BwBWGpOmE0lw:ldfUk4lOMo6grfB4aiDf0BwSm4

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3124	AcroRd32.exe
3124	AcroRd32.exe
3124	AcroRd32.exe
3124	AcroRd32.exe
3124	AcroRd32.exe
3124	AcroRd32.exe
3124	AcroRd32.exe
3124	AcroRd32.exe
3124	AcroRd32.exe
3124	AcroRd32.exe
3124	AcroRd32.exe
3124	AcroRd32.exe
3124	AcroRd32.exe
3124	AcroRd32.exe
3124	AcroRd32.exe
3124	AcroRd32.exe
3124	AcroRd32.exe
3124	AcroRd32.exe
3124	AcroRd32.exe
3124	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3124	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3124	AcroRd32.exe
3124	AcroRd32.exe
3124	AcroRd32.exe
3124	AcroRd32.exe
3124	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3124 wrote to memory of 2824	3124	AcroRd32.exe	91
PID 3124 wrote to memory of 2824	3124	AcroRd32.exe	91
PID 3124 wrote to memory of 2824	3124	AcroRd32.exe	91
PID 2824 wrote to memory of 5044	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5044	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5044	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5044	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5044	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5044	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5044	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5044	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5044	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5044	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5044	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5044	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5044	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5044	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5044	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5044	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5044	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5044	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5044	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5044	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5044	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5044	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5044	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5044	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5044	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5044	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5044	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5044	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5044	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5044	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5044	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5044	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5044	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5044	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5044	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5044	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5044	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5044	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5044	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5044	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 5044	2824	RdrCEF.exe	93
PID 2824 wrote to memory of 4560	2824	RdrCEF.exe	92
PID 2824 wrote to memory of 4560	2824	RdrCEF.exe	92
PID 2824 wrote to memory of 4560	2824	RdrCEF.exe	92
PID 2824 wrote to memory of 4560	2824	RdrCEF.exe	92
PID 2824 wrote to memory of 4560	2824	RdrCEF.exe	92
PID 2824 wrote to memory of 4560	2824	RdrCEF.exe	92
PID 2824 wrote to memory of 4560	2824	RdrCEF.exe	92
PID 2824 wrote to memory of 4560	2824	RdrCEF.exe	92
PID 2824 wrote to memory of 4560	2824	RdrCEF.exe	92
PID 2824 wrote to memory of 4560	2824	RdrCEF.exe	92
PID 2824 wrote to memory of 4560	2824	RdrCEF.exe	92
PID 2824 wrote to memory of 4560	2824	RdrCEF.exe	92
PID 2824 wrote to memory of 4560	2824	RdrCEF.exe	92
PID 2824 wrote to memory of 4560	2824	RdrCEF.exe	92
PID 2824 wrote to memory of 4560	2824	RdrCEF.exe	92
PID 2824 wrote to memory of 4560	2824	RdrCEF.exe	92
PID 2824 wrote to memory of 4560	2824	RdrCEF.exe	92
PID 2824 wrote to memory of 4560	2824	RdrCEF.exe	92
PID 2824 wrote to memory of 4560	2824	RdrCEF.exe	92
PID 2824 wrote to memory of 4560	2824	RdrCEF.exe	92

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\1ef95ccb77bd526b7c3b9942ac4c1a39.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:3124
- 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:2824
- - 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=43AD38EBB90DC5212A1F6B1B0FF89890 --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=43AD38EBB90DC5212A1F6B1B0FF89890 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4560
- - 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=ADD63C93406B539DF1CA2AB8E84D8E6F --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5044
- - 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=7BBBEFB6B2B05EDC980899DCB56F6E96 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4924
- - 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=87F8DCE25CAD6A1686CB2EFAFC20B449 --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=87F8DCE25CAD6A1686CB2EFAFC20B449 --renderer-client-id=5 --mojo-platform-channel-handle=1908 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3584
- - 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=3152B008C0CEDD740B26ED70CAD7816D --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1660
- - 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=5DDB0C454BB54AEC04C40860E888B474 --mojo-platform-channel-handle=2812 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2132

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1544

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
d18673a6de3ecd0f9ac6b2f907c8143f

SHA1
0312521fb08750a86e7a1442ece1b71655907526

SHA256
6a5559ba8f88cc054912bb3fb3a34f5d86e314de69efaa4b3d2ea3069a40111a

SHA512
ea96f2ee4889d251af51e2344a68338de1ca672e66c723b6efa964e167a616cad2476df4666c7b892bde3746917087a103f8f8b27f908552bb67096ef399e92a

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

Filesize
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
memory/3124-27-0x00000000091B0000-0x00000000091D1000-memory.dmp

Filesize
132KB

Download