165d041122c7efdec12b5970ca94d25436c9d964ea57611c581d2337d7e42bd7

Analysis

max time kernel
141s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
07/01/2024, 01:41

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General

Target
47b26ca19cb14fe49202f3d1b051fe01.pdf
Size 83KB
Sample240107-b4gf5acaaj
SHA256 165d041122c7efdec12b5970ca94d25436c9d964ea57611c581d2337d7e42bd7
MD5 47b26ca19cb14fe49202f3d1b051fe01
SHA1 e6e5bf257c6aff016c8426b9e8cc89fd50561112
SHA512 65c6d6a437c75136150e7f553985a999500e7fb63c0e26d13b13ec2429fb2d962fe08ef2215081c5676d1e0541d908891afe082c6c3a9d8014ab1df0d4f60059
SSDEEP 1536:fYFwf54jQtxWbY2WtfH4FHGbrIm4GYNQFO+i2+die/qWxVebyty9sQ5W8pO+vXP:gFwf5E7bY2WZHQHGbKTNQk+iLH/PVeOu
MD5 SHA1 SHA512 SSDEEP

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
3364	AcroRd32.exe
3364	AcroRd32.exe
3364	AcroRd32.exe
3364	AcroRd32.exe
3364	AcroRd32.exe
3364	AcroRd32.exe
3364	AcroRd32.exe
3364	AcroRd32.exe
3364	AcroRd32.exe
3364	AcroRd32.exe
3364	AcroRd32.exe
3364	AcroRd32.exe
3364	AcroRd32.exe
3364	AcroRd32.exe
3364	AcroRd32.exe
3364	AcroRd32.exe
3364	AcroRd32.exe
3364	AcroRd32.exe
3364	AcroRd32.exe
3364	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3364	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3364	AcroRd32.exe
3364	AcroRd32.exe
3364	AcroRd32.exe
3364	AcroRd32.exe
3364	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3364 wrote to memory of 464	3364	AcroRd32.exe	94
PID 3364 wrote to memory of 464	3364	AcroRd32.exe	94
PID 3364 wrote to memory of 464	3364	AcroRd32.exe	94
PID 464 wrote to memory of 4568	464	RdrCEF.exe	95
PID 464 wrote to memory of 4568	464	RdrCEF.exe	95
PID 464 wrote to memory of 4568	464	RdrCEF.exe	95
PID 464 wrote to memory of 4568	464	RdrCEF.exe	95
PID 464 wrote to memory of 4568	464	RdrCEF.exe	95
PID 464 wrote to memory of 4568	464	RdrCEF.exe	95
PID 464 wrote to memory of 4568	464	RdrCEF.exe	95
PID 464 wrote to memory of 4568	464	RdrCEF.exe	95
PID 464 wrote to memory of 4568	464	RdrCEF.exe	95
PID 464 wrote to memory of 4568	464	RdrCEF.exe	95
PID 464 wrote to memory of 4568	464	RdrCEF.exe	95
PID 464 wrote to memory of 4568	464	RdrCEF.exe	95
PID 464 wrote to memory of 4568	464	RdrCEF.exe	95
PID 464 wrote to memory of 4568	464	RdrCEF.exe	95
PID 464 wrote to memory of 4568	464	RdrCEF.exe	95
PID 464 wrote to memory of 4568	464	RdrCEF.exe	95
PID 464 wrote to memory of 4568	464	RdrCEF.exe	95
PID 464 wrote to memory of 4568	464	RdrCEF.exe	95
PID 464 wrote to memory of 4568	464	RdrCEF.exe	95
PID 464 wrote to memory of 4568	464	RdrCEF.exe	95
PID 464 wrote to memory of 4568	464	RdrCEF.exe	95
PID 464 wrote to memory of 4568	464	RdrCEF.exe	95
PID 464 wrote to memory of 4568	464	RdrCEF.exe	95
PID 464 wrote to memory of 4568	464	RdrCEF.exe	95
PID 464 wrote to memory of 4568	464	RdrCEF.exe	95
PID 464 wrote to memory of 4568	464	RdrCEF.exe	95
PID 464 wrote to memory of 4568	464	RdrCEF.exe	95
PID 464 wrote to memory of 4568	464	RdrCEF.exe	95
PID 464 wrote to memory of 4568	464	RdrCEF.exe	95
PID 464 wrote to memory of 4568	464	RdrCEF.exe	95
PID 464 wrote to memory of 4568	464	RdrCEF.exe	95
PID 464 wrote to memory of 4568	464	RdrCEF.exe	95
PID 464 wrote to memory of 4568	464	RdrCEF.exe	95
PID 464 wrote to memory of 4568	464	RdrCEF.exe	95
PID 464 wrote to memory of 4568	464	RdrCEF.exe	95
PID 464 wrote to memory of 4568	464	RdrCEF.exe	95
PID 464 wrote to memory of 4568	464	RdrCEF.exe	95
PID 464 wrote to memory of 4568	464	RdrCEF.exe	95
PID 464 wrote to memory of 4568	464	RdrCEF.exe	95
PID 464 wrote to memory of 4568	464	RdrCEF.exe	95
PID 464 wrote to memory of 4568	464	RdrCEF.exe	95
PID 464 wrote to memory of 3360	464	RdrCEF.exe	96
PID 464 wrote to memory of 3360	464	RdrCEF.exe	96
PID 464 wrote to memory of 3360	464	RdrCEF.exe	96
PID 464 wrote to memory of 3360	464	RdrCEF.exe	96
PID 464 wrote to memory of 3360	464	RdrCEF.exe	96
PID 464 wrote to memory of 3360	464	RdrCEF.exe	96
PID 464 wrote to memory of 3360	464	RdrCEF.exe	96
PID 464 wrote to memory of 3360	464	RdrCEF.exe	96
PID 464 wrote to memory of 3360	464	RdrCEF.exe	96
PID 464 wrote to memory of 3360	464	RdrCEF.exe	96
PID 464 wrote to memory of 3360	464	RdrCEF.exe	96
PID 464 wrote to memory of 3360	464	RdrCEF.exe	96
PID 464 wrote to memory of 3360	464	RdrCEF.exe	96
PID 464 wrote to memory of 3360	464	RdrCEF.exe	96
PID 464 wrote to memory of 3360	464	RdrCEF.exe	96
PID 464 wrote to memory of 3360	464	RdrCEF.exe	96
PID 464 wrote to memory of 3360	464	RdrCEF.exe	96
PID 464 wrote to memory of 3360	464	RdrCEF.exe	96
PID 464 wrote to memory of 3360	464	RdrCEF.exe	96
PID 464 wrote to memory of 3360	464	RdrCEF.exe	96

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\47b26ca19cb14fe49202f3d1b051fe01.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:3364
- 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:464
- - 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=1EEAFEAA4F236239CCA3F323A3C0BDD4 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4568
- - 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=98C80AFB7FC63993349B59B4EA084624 --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=98C80AFB7FC63993349B59B4EA084624 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3360
- - 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=7BF32FDFF7583DDB878D55B2AC2B37BB --mojo-platform-channel-handle=2168 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2116
- - 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=F2EA4E4E7644F8E8F794C91F1854709C --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=F2EA4E4E7644F8E8F794C91F1854709C --renderer-client-id=5 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4528
- - 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=323036C6FA892320D6F01917479C36F4 --mojo-platform-channel-handle=2240 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3492
- - 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=0FE2905D9CFA9B2FA3D67C7719F0ECF3 --mojo-platform-channel-handle=2808 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4300

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2596

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

ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 64KB
SHA256 2addbf66c242cc92b37c1b8daa88a622fc8e65b98ca06807c2a717908005f071
MD5 f7d7a1b3d8d2571ef536d5b3d96038ef
SHA1 b55168d3378b66b4958151c2232d5d907b120c63
SHA512 ab855873aa725f14f391d9adcf6e6c9e80a6205b2711114a74660ea2d4ad702fb0a31f90374e341246927b323076dffffa4db81aa79eb5e659881de7703ad9b8
SSDEEP 384:ye0dThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:v+elZsLQCZsL3hUS4
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 36KB
SHA256 b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
MD5 b30d3becc8731792523d599d949e63f5
SHA1 19350257e42d7aee17fb3bf139a9d3adb330fad4
SHA512 523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
SSDEEP 24:TLiXlzkrFsgIFsxX3pALXmnHpkDGjmcxBSkomXk+2m9RFTsyg+wmf9Mzm+Zs3tGl:TqlmFTIF3XmHjBoGGR+jMz+LhT
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 56KB
SHA256 111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
MD5 752a1f26b18748311b691c7d8fc20633
SHA1 c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA512 a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5
SSDEEP 192:wedRBvVrThe4p4/KhTB4p4CitZtkZsLRGVDbw6H3ph+v3YQa9:weZdThkKhBvkZsLRGlzh+vS9
MD5 SHA1 SHA512 SSDEEP

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memory/3364-27-0x000000000B1B0000-0x000000000B1D1000-memory.dmp

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