666083d44e47a7dd45b844980df561cfafbaee76793079e9f1c45308654e1512

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29/12/2023, 21:03

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General

Target

03f2ea1fda595b927876807e8a63289f.pdf
Size

89KB
MD5

03f2ea1fda595b927876807e8a63289f
SHA1

26aaddd3fd5d94ccff97d549eac1bac5b08c2221
SHA256

666083d44e47a7dd45b844980df561cfafbaee76793079e9f1c45308654e1512
SHA512

2bb2c1110c3a5f20b224db1e5889bccd2d5e95bfdfe6717b5816eaf360d27e48f10f16286692b2fd659d434b5e007c1c269781934efc947373f92dc2f1dca911
SSDEEP

1536:nM1EbjbmsKaC/rgfBwTUDclBhqo3ID6bTx7qWitVPOkzbFxR/OqZWbpONiWFlhnC:swJ4/EBuPhqEID6/xWtVD96qbNdtC

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2736	AcroRd32.exe
2736	AcroRd32.exe
2736	AcroRd32.exe
2736	AcroRd32.exe
2736	AcroRd32.exe
2736	AcroRd32.exe
2736	AcroRd32.exe
2736	AcroRd32.exe
2736	AcroRd32.exe
2736	AcroRd32.exe
2736	AcroRd32.exe
2736	AcroRd32.exe
2736	AcroRd32.exe
2736	AcroRd32.exe
2736	AcroRd32.exe
2736	AcroRd32.exe
2736	AcroRd32.exe
2736	AcroRd32.exe
2736	AcroRd32.exe
2736	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2736	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2736	AcroRd32.exe
2736	AcroRd32.exe
2736	AcroRd32.exe
2736	AcroRd32.exe
2736	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2736 wrote to memory of 2128	2736	AcroRd32.exe	94
PID 2736 wrote to memory of 2128	2736	AcroRd32.exe	94
PID 2736 wrote to memory of 2128	2736	AcroRd32.exe	94
PID 2128 wrote to memory of 3196	2128	RdrCEF.exe	96
PID 2128 wrote to memory of 3196	2128	RdrCEF.exe	96
PID 2128 wrote to memory of 3196	2128	RdrCEF.exe	96
PID 2128 wrote to memory of 3196	2128	RdrCEF.exe	96
PID 2128 wrote to memory of 3196	2128	RdrCEF.exe	96
PID 2128 wrote to memory of 3196	2128	RdrCEF.exe	96
PID 2128 wrote to memory of 3196	2128	RdrCEF.exe	96
PID 2128 wrote to memory of 3196	2128	RdrCEF.exe	96
PID 2128 wrote to memory of 3196	2128	RdrCEF.exe	96
PID 2128 wrote to memory of 3196	2128	RdrCEF.exe	96
PID 2128 wrote to memory of 3196	2128	RdrCEF.exe	96
PID 2128 wrote to memory of 3196	2128	RdrCEF.exe	96
PID 2128 wrote to memory of 3196	2128	RdrCEF.exe	96
PID 2128 wrote to memory of 3196	2128	RdrCEF.exe	96
PID 2128 wrote to memory of 3196	2128	RdrCEF.exe	96
PID 2128 wrote to memory of 3196	2128	RdrCEF.exe	96
PID 2128 wrote to memory of 3196	2128	RdrCEF.exe	96
PID 2128 wrote to memory of 3196	2128	RdrCEF.exe	96
PID 2128 wrote to memory of 3196	2128	RdrCEF.exe	96
PID 2128 wrote to memory of 3196	2128	RdrCEF.exe	96
PID 2128 wrote to memory of 3196	2128	RdrCEF.exe	96
PID 2128 wrote to memory of 3196	2128	RdrCEF.exe	96
PID 2128 wrote to memory of 3196	2128	RdrCEF.exe	96
PID 2128 wrote to memory of 3196	2128	RdrCEF.exe	96
PID 2128 wrote to memory of 3196	2128	RdrCEF.exe	96
PID 2128 wrote to memory of 3196	2128	RdrCEF.exe	96
PID 2128 wrote to memory of 3196	2128	RdrCEF.exe	96
PID 2128 wrote to memory of 3196	2128	RdrCEF.exe	96
PID 2128 wrote to memory of 3196	2128	RdrCEF.exe	96
PID 2128 wrote to memory of 3196	2128	RdrCEF.exe	96
PID 2128 wrote to memory of 3196	2128	RdrCEF.exe	96
PID 2128 wrote to memory of 3196	2128	RdrCEF.exe	96
PID 2128 wrote to memory of 3196	2128	RdrCEF.exe	96
PID 2128 wrote to memory of 3196	2128	RdrCEF.exe	96
PID 2128 wrote to memory of 3196	2128	RdrCEF.exe	96
PID 2128 wrote to memory of 3196	2128	RdrCEF.exe	96
PID 2128 wrote to memory of 3196	2128	RdrCEF.exe	96
PID 2128 wrote to memory of 3196	2128	RdrCEF.exe	96
PID 2128 wrote to memory of 3196	2128	RdrCEF.exe	96
PID 2128 wrote to memory of 3196	2128	RdrCEF.exe	96
PID 2128 wrote to memory of 3196	2128	RdrCEF.exe	96
PID 2128 wrote to memory of 2784	2128	RdrCEF.exe	97
PID 2128 wrote to memory of 2784	2128	RdrCEF.exe	97
PID 2128 wrote to memory of 2784	2128	RdrCEF.exe	97
PID 2128 wrote to memory of 2784	2128	RdrCEF.exe	97
PID 2128 wrote to memory of 2784	2128	RdrCEF.exe	97
PID 2128 wrote to memory of 2784	2128	RdrCEF.exe	97
PID 2128 wrote to memory of 2784	2128	RdrCEF.exe	97
PID 2128 wrote to memory of 2784	2128	RdrCEF.exe	97
PID 2128 wrote to memory of 2784	2128	RdrCEF.exe	97
PID 2128 wrote to memory of 2784	2128	RdrCEF.exe	97
PID 2128 wrote to memory of 2784	2128	RdrCEF.exe	97
PID 2128 wrote to memory of 2784	2128	RdrCEF.exe	97
PID 2128 wrote to memory of 2784	2128	RdrCEF.exe	97
PID 2128 wrote to memory of 2784	2128	RdrCEF.exe	97
PID 2128 wrote to memory of 2784	2128	RdrCEF.exe	97
PID 2128 wrote to memory of 2784	2128	RdrCEF.exe	97
PID 2128 wrote to memory of 2784	2128	RdrCEF.exe	97
PID 2128 wrote to memory of 2784	2128	RdrCEF.exe	97
PID 2128 wrote to memory of 2784	2128	RdrCEF.exe	97
PID 2128 wrote to memory of 2784	2128	RdrCEF.exe	97

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\03f2ea1fda595b927876807e8a63289f.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:2736
- 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:2128
- - 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=ECDBCEC70DAB73472DD5C718DBC26C50 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3196
- - 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=67F88EAFEC6524D8890DD0149DE1CAC9 --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=67F88EAFEC6524D8890DD0149DE1CAC9 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2784
- - 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=F5A5EFB3E96786F8A627C6D47CB6EDD2 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2516
- - 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=4E8528A507D44B1DD85CD17896B68BE3 --mojo-platform-channel-handle=1848 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2956
- - 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=2F5865A147899B1290EE4781564E294E --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=2F5865A147899B1290EE4781564E294E --renderer-client-id=6 --mojo-platform-channel-handle=2436 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4552
- - 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=660701675F8090DB955DB07DD6E7C9F8 --mojo-platform-channel-handle=2664 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3816

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1172

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
b5e894f989d074fd45a5bfb6f57cc71a

SHA1
c2f8320cd62e4e0b028715244eb1286be4d6b1f7

SHA256
baffdb6fbd00edf4b03afbd8cf6902c049dd9ba7bb18c1c0d959ac37cd011b49

SHA512
91d4a1a1a27a7aaddca61d652e1ec3abe95b4437e7ea020a7551cb7022a518c21edd4f55091c3ab1e96c22f0440c953ea38fb3ae7724bfd0fa2b191305c60e10

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
memory/2736-27-0x000000000BE50000-0x000000000BE71000-memory.dmp

Filesize
132KB

Download