8e5aed9aed90b1adb4c700b7d50dba3d2564ea6da6d767cd2d4931ab5a017e2c

Analysis

max time kernel
141s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
02-02-2024 12:10

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General

Target

8979844f73702d96abfa947ecd7991e8.pdf
Size

58KB
MD5

8979844f73702d96abfa947ecd7991e8
SHA1

ad6b5d532d12145e1685ec2d68c8ce1128e81fed
SHA256

8e5aed9aed90b1adb4c700b7d50dba3d2564ea6da6d767cd2d4931ab5a017e2c
SHA512

ab2a24e86d9610868712ea7c6c3cc453e478c2b8c6e7a13b5f9095c7f815018e83dae7f06ba4353bce1ae0fa572380e1cc65abc541bd1989ca49bed6e7b63c32
SSDEEP

1536:d5FaLMTNGz38cCg35xHv9F6VX9L5vpF9HfadueH:3FaIT8LpjFYtLz3faTH

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1548	AcroRd32.exe
1548	AcroRd32.exe
1548	AcroRd32.exe
1548	AcroRd32.exe
1548	AcroRd32.exe
1548	AcroRd32.exe
1548	AcroRd32.exe
1548	AcroRd32.exe
1548	AcroRd32.exe
1548	AcroRd32.exe
1548	AcroRd32.exe
1548	AcroRd32.exe
1548	AcroRd32.exe
1548	AcroRd32.exe
1548	AcroRd32.exe
1548	AcroRd32.exe
1548	AcroRd32.exe
1548	AcroRd32.exe
1548	AcroRd32.exe
1548	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1548	AcroRd32.exe
1548	AcroRd32.exe
1548	AcroRd32.exe
1548	AcroRd32.exe
1548	AcroRd32.exe
1548	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1548 wrote to memory of 4804	1548	AcroRd32.exe	90
PID 1548 wrote to memory of 4804	1548	AcroRd32.exe	90
PID 1548 wrote to memory of 4804	1548	AcroRd32.exe	90
PID 4804 wrote to memory of 4940	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4940	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4940	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4940	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4940	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4940	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4940	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4940	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4940	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4940	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4940	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4940	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4940	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4940	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4940	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4940	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4940	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4940	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4940	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4940	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4940	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4940	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4940	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4940	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4940	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4940	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4940	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4940	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4940	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4940	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4940	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4940	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4940	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4940	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4940	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4940	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4940	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4940	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4940	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4940	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 4940	4804	RdrCEF.exe	93
PID 4804 wrote to memory of 2196	4804	RdrCEF.exe	94
PID 4804 wrote to memory of 2196	4804	RdrCEF.exe	94
PID 4804 wrote to memory of 2196	4804	RdrCEF.exe	94
PID 4804 wrote to memory of 2196	4804	RdrCEF.exe	94
PID 4804 wrote to memory of 2196	4804	RdrCEF.exe	94
PID 4804 wrote to memory of 2196	4804	RdrCEF.exe	94
PID 4804 wrote to memory of 2196	4804	RdrCEF.exe	94
PID 4804 wrote to memory of 2196	4804	RdrCEF.exe	94
PID 4804 wrote to memory of 2196	4804	RdrCEF.exe	94
PID 4804 wrote to memory of 2196	4804	RdrCEF.exe	94
PID 4804 wrote to memory of 2196	4804	RdrCEF.exe	94
PID 4804 wrote to memory of 2196	4804	RdrCEF.exe	94
PID 4804 wrote to memory of 2196	4804	RdrCEF.exe	94
PID 4804 wrote to memory of 2196	4804	RdrCEF.exe	94
PID 4804 wrote to memory of 2196	4804	RdrCEF.exe	94
PID 4804 wrote to memory of 2196	4804	RdrCEF.exe	94
PID 4804 wrote to memory of 2196	4804	RdrCEF.exe	94
PID 4804 wrote to memory of 2196	4804	RdrCEF.exe	94
PID 4804 wrote to memory of 2196	4804	RdrCEF.exe	94
PID 4804 wrote to memory of 2196	4804	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\8979844f73702d96abfa947ecd7991e8.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1548
- 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:4804
- - 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=C287F1323704386927147B6DF89E0BF8 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4940
- - 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=9D212DCDA1689D04857DF1A1855704EC --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=9D212DCDA1689D04857DF1A1855704EC --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2196
- - 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=3A9A6154AE697CD8F93F9F589B84AFDA --mojo-platform-channel-handle=2280 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2124
- - 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=AB550D7474DF083E8A0479D8538650B9 --mojo-platform-channel-handle=1840 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2060
- - 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=4D8F09D8B326EA838A0A7D43E2736A1F --mojo-platform-channel-handle=2372 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3628

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4424

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
d5671e4db23e5b9d498e5e703ca25b6a

SHA1
6b52c6e5edfb925572eb366b9cd4f28999171c91

SHA256
c4f87473052a4e1b5ba21bd608d86c648589ad9533ec4a3dfb701e08626fde93

SHA512
ade243493e983b1da968caed40d2a51c811e89a4e3044e29987df07c5f011bdfdf795f45e8953d55d8b1cad760a93d5493c7f993bcbee745592ec3c76365e42d

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