048b69aa7c339031b72eb8db27f3c926b995bbf2baadcf6a461d80e5f936e0c8

Analysis

max time kernel
145s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
14-01-2024 09:54

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General

Target

5aef5778f6c4f44af635fb590e982da4.pdf
Size

319KB
MD5

5aef5778f6c4f44af635fb590e982da4
SHA1

16dcbf157aa3477a9510d039383963ee7f21c8ba
SHA256

048b69aa7c339031b72eb8db27f3c926b995bbf2baadcf6a461d80e5f936e0c8
SHA512

1bda2f3e7af27ecf9e200772f26e334bee5966a942042afb87747f8ab1bad4195881998a50624de4351d83d1491c410798b3e01dc45952bb6664522cfe8634a3
SSDEEP

6144:kXs7MO0af1gjnoAUdImchnt2Jg28kFLXS8alKnhx17ROddRcGqtWQQGoBe7qjJww:auMcsoEbntygxkABsxGtc5QGErlwq

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
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe
224	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 224 wrote to memory of 528	224	AcroRd32.exe	93
PID 224 wrote to memory of 528	224	AcroRd32.exe	93
PID 224 wrote to memory of 528	224	AcroRd32.exe	93
PID 528 wrote to memory of 4684	528	RdrCEF.exe	94
PID 528 wrote to memory of 4684	528	RdrCEF.exe	94
PID 528 wrote to memory of 4684	528	RdrCEF.exe	94
PID 528 wrote to memory of 4684	528	RdrCEF.exe	94
PID 528 wrote to memory of 4684	528	RdrCEF.exe	94
PID 528 wrote to memory of 4684	528	RdrCEF.exe	94
PID 528 wrote to memory of 4684	528	RdrCEF.exe	94
PID 528 wrote to memory of 4684	528	RdrCEF.exe	94
PID 528 wrote to memory of 4684	528	RdrCEF.exe	94
PID 528 wrote to memory of 4684	528	RdrCEF.exe	94
PID 528 wrote to memory of 4684	528	RdrCEF.exe	94
PID 528 wrote to memory of 4684	528	RdrCEF.exe	94
PID 528 wrote to memory of 4684	528	RdrCEF.exe	94
PID 528 wrote to memory of 4684	528	RdrCEF.exe	94
PID 528 wrote to memory of 4684	528	RdrCEF.exe	94
PID 528 wrote to memory of 4684	528	RdrCEF.exe	94
PID 528 wrote to memory of 4684	528	RdrCEF.exe	94
PID 528 wrote to memory of 4684	528	RdrCEF.exe	94
PID 528 wrote to memory of 4684	528	RdrCEF.exe	94
PID 528 wrote to memory of 4684	528	RdrCEF.exe	94
PID 528 wrote to memory of 4684	528	RdrCEF.exe	94
PID 528 wrote to memory of 4684	528	RdrCEF.exe	94
PID 528 wrote to memory of 4684	528	RdrCEF.exe	94
PID 528 wrote to memory of 4684	528	RdrCEF.exe	94
PID 528 wrote to memory of 4684	528	RdrCEF.exe	94
PID 528 wrote to memory of 4684	528	RdrCEF.exe	94
PID 528 wrote to memory of 4684	528	RdrCEF.exe	94
PID 528 wrote to memory of 4684	528	RdrCEF.exe	94
PID 528 wrote to memory of 4684	528	RdrCEF.exe	94
PID 528 wrote to memory of 4684	528	RdrCEF.exe	94
PID 528 wrote to memory of 4684	528	RdrCEF.exe	94
PID 528 wrote to memory of 4684	528	RdrCEF.exe	94
PID 528 wrote to memory of 4684	528	RdrCEF.exe	94
PID 528 wrote to memory of 4684	528	RdrCEF.exe	94
PID 528 wrote to memory of 4684	528	RdrCEF.exe	94
PID 528 wrote to memory of 4684	528	RdrCEF.exe	94
PID 528 wrote to memory of 4684	528	RdrCEF.exe	94
PID 528 wrote to memory of 4684	528	RdrCEF.exe	94
PID 528 wrote to memory of 4684	528	RdrCEF.exe	94
PID 528 wrote to memory of 4684	528	RdrCEF.exe	94
PID 528 wrote to memory of 4684	528	RdrCEF.exe	94
PID 528 wrote to memory of 4816	528	RdrCEF.exe	95
PID 528 wrote to memory of 4816	528	RdrCEF.exe	95
PID 528 wrote to memory of 4816	528	RdrCEF.exe	95
PID 528 wrote to memory of 4816	528	RdrCEF.exe	95
PID 528 wrote to memory of 4816	528	RdrCEF.exe	95
PID 528 wrote to memory of 4816	528	RdrCEF.exe	95
PID 528 wrote to memory of 4816	528	RdrCEF.exe	95
PID 528 wrote to memory of 4816	528	RdrCEF.exe	95
PID 528 wrote to memory of 4816	528	RdrCEF.exe	95
PID 528 wrote to memory of 4816	528	RdrCEF.exe	95
PID 528 wrote to memory of 4816	528	RdrCEF.exe	95
PID 528 wrote to memory of 4816	528	RdrCEF.exe	95
PID 528 wrote to memory of 4816	528	RdrCEF.exe	95
PID 528 wrote to memory of 4816	528	RdrCEF.exe	95
PID 528 wrote to memory of 4816	528	RdrCEF.exe	95
PID 528 wrote to memory of 4816	528	RdrCEF.exe	95
PID 528 wrote to memory of 4816	528	RdrCEF.exe	95
PID 528 wrote to memory of 4816	528	RdrCEF.exe	95
PID 528 wrote to memory of 4816	528	RdrCEF.exe	95
PID 528 wrote to memory of 4816	528	RdrCEF.exe	95

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\5aef5778f6c4f44af635fb590e982da4.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:224
- 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:528
- - 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=5EC43030094ECF481B7B0A27D6C81B07 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4684
- - 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=D9772F4903E7D55B2475D5D63921A384 --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=D9772F4903E7D55B2475D5D63921A384 --renderer-client-id=2 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4816
- - 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=AC46540162D199D93EE38BD3D9C4BC4C --mojo-platform-channel-handle=2280 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3664
- - 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=093D760CFED302A1D8AEB1E318417CB9 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4220
- - 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=FCF6AFB2DA2D0709651AD0A97DA732AC --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2316

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:400

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
153378ef67528913aebaeecf24231224

SHA1
27993d1c9bc3b2a6553171579343a4fee08ad401

SHA256
a8963878052f97a0fbd0934b457510c62eff797e4fe0addfd0baf7437f67ab3d

SHA512
517cfaab67765a9265e6e63f1d2d7992cc2843bdd37e7471bc01936b33dd46b29e17ada135e39f48272c5cf148ac1e8fd228b3ddcb21f58e76c35ad30ef0fea1

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

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit