312a8f0dd6ed7fbf90fb4b0373901f11977e9599148c77dd31bfa6b10a38222d

Analysis

max time kernel
300s
max time network
206s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
28/05/2024, 18:29

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General

Target

LOSPCKLONDK4G1X5GKABES.pdf
Size

59KB
MD5

84695d7960f93a5092d3effc76138b33
SHA1

b19476579e37d370353d13d0c18c48e78742a5f0
SHA256

312a8f0dd6ed7fbf90fb4b0373901f11977e9599148c77dd31bfa6b10a38222d
SHA512

1009770b1c5d0cad325834862ce22d8faee9f887e3bedc3147be93cce703a213437bbafbb13a6e31dc9d52d82cc49be5be69e7939cef127049ed73135488d61c
SSDEEP

1536:UBhI6U7JpypCzmv7ExtE1AT5pKMIcLsJZ9SpCN:UBxEJpymmv4xtEST5fIcLsJvSpCN

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-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2528	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe
2528	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2528 wrote to memory of 2868	2528	AcroRd32.exe	91
PID 2528 wrote to memory of 2868	2528	AcroRd32.exe	91
PID 2528 wrote to memory of 2868	2528	AcroRd32.exe	91
PID 2868 wrote to memory of 528	2868	RdrCEF.exe	92
PID 2868 wrote to memory of 528	2868	RdrCEF.exe	92
PID 2868 wrote to memory of 528	2868	RdrCEF.exe	92
PID 2868 wrote to memory of 528	2868	RdrCEF.exe	92
PID 2868 wrote to memory of 528	2868	RdrCEF.exe	92
PID 2868 wrote to memory of 528	2868	RdrCEF.exe	92
PID 2868 wrote to memory of 528	2868	RdrCEF.exe	92
PID 2868 wrote to memory of 528	2868	RdrCEF.exe	92
PID 2868 wrote to memory of 528	2868	RdrCEF.exe	92
PID 2868 wrote to memory of 528	2868	RdrCEF.exe	92
PID 2868 wrote to memory of 528	2868	RdrCEF.exe	92
PID 2868 wrote to memory of 528	2868	RdrCEF.exe	92
PID 2868 wrote to memory of 528	2868	RdrCEF.exe	92
PID 2868 wrote to memory of 528	2868	RdrCEF.exe	92
PID 2868 wrote to memory of 528	2868	RdrCEF.exe	92
PID 2868 wrote to memory of 528	2868	RdrCEF.exe	92
PID 2868 wrote to memory of 528	2868	RdrCEF.exe	92
PID 2868 wrote to memory of 528	2868	RdrCEF.exe	92
PID 2868 wrote to memory of 528	2868	RdrCEF.exe	92
PID 2868 wrote to memory of 528	2868	RdrCEF.exe	92
PID 2868 wrote to memory of 528	2868	RdrCEF.exe	92
PID 2868 wrote to memory of 528	2868	RdrCEF.exe	92
PID 2868 wrote to memory of 528	2868	RdrCEF.exe	92
PID 2868 wrote to memory of 528	2868	RdrCEF.exe	92
PID 2868 wrote to memory of 528	2868	RdrCEF.exe	92
PID 2868 wrote to memory of 528	2868	RdrCEF.exe	92
PID 2868 wrote to memory of 528	2868	RdrCEF.exe	92
PID 2868 wrote to memory of 528	2868	RdrCEF.exe	92
PID 2868 wrote to memory of 528	2868	RdrCEF.exe	92
PID 2868 wrote to memory of 528	2868	RdrCEF.exe	92
PID 2868 wrote to memory of 528	2868	RdrCEF.exe	92
PID 2868 wrote to memory of 528	2868	RdrCEF.exe	92
PID 2868 wrote to memory of 528	2868	RdrCEF.exe	92
PID 2868 wrote to memory of 528	2868	RdrCEF.exe	92
PID 2868 wrote to memory of 528	2868	RdrCEF.exe	92
PID 2868 wrote to memory of 528	2868	RdrCEF.exe	92
PID 2868 wrote to memory of 528	2868	RdrCEF.exe	92
PID 2868 wrote to memory of 528	2868	RdrCEF.exe	92
PID 2868 wrote to memory of 528	2868	RdrCEF.exe	92
PID 2868 wrote to memory of 528	2868	RdrCEF.exe	92
PID 2868 wrote to memory of 528	2868	RdrCEF.exe	92
PID 2868 wrote to memory of 4200	2868	RdrCEF.exe	93
PID 2868 wrote to memory of 4200	2868	RdrCEF.exe	93
PID 2868 wrote to memory of 4200	2868	RdrCEF.exe	93
PID 2868 wrote to memory of 4200	2868	RdrCEF.exe	93
PID 2868 wrote to memory of 4200	2868	RdrCEF.exe	93
PID 2868 wrote to memory of 4200	2868	RdrCEF.exe	93
PID 2868 wrote to memory of 4200	2868	RdrCEF.exe	93
PID 2868 wrote to memory of 4200	2868	RdrCEF.exe	93
PID 2868 wrote to memory of 4200	2868	RdrCEF.exe	93
PID 2868 wrote to memory of 4200	2868	RdrCEF.exe	93
PID 2868 wrote to memory of 4200	2868	RdrCEF.exe	93
PID 2868 wrote to memory of 4200	2868	RdrCEF.exe	93
PID 2868 wrote to memory of 4200	2868	RdrCEF.exe	93
PID 2868 wrote to memory of 4200	2868	RdrCEF.exe	93
PID 2868 wrote to memory of 4200	2868	RdrCEF.exe	93
PID 2868 wrote to memory of 4200	2868	RdrCEF.exe	93
PID 2868 wrote to memory of 4200	2868	RdrCEF.exe	93
PID 2868 wrote to memory of 4200	2868	RdrCEF.exe	93
PID 2868 wrote to memory of 4200	2868	RdrCEF.exe	93
PID 2868 wrote to memory of 4200	2868	RdrCEF.exe	93

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\LOSPCKLONDK4G1X5GKABES.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:2528
- 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:2868
- - 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=BB38717FCFD2BD1B01F9F7B2AB16D187 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=CE77C9A41CDC6DFBC56A533096D9713F --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=CE77C9A41CDC6DFBC56A533096D9713F --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4200
- - 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=4546E6EF38D134B2B7239CB64029D9CF --mojo-platform-channel-handle=2336 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4292
- - 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=7040BDDBE1F606C1BA727ACDFA3FC253 --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=7040BDDBE1F606C1BA727ACDFA3FC253 --renderer-client-id=5 --mojo-platform-channel-handle=1808 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3632
- - 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=C20BEEAA29FCBE6361FF99109B8F99B5 --mojo-platform-channel-handle=2864 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3400
- - 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=9A33345A8D784C00D86DBC708A26B55C --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4348

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2892

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
a89937c9d7c8e32b48e129cf91f4f4bf

SHA1
8dc2347d8f80d2e7fe2d9b7bef447cdce2696402

SHA256
9be1b1a2ebee6f62e816529249111c4e3774ff6fcd4f1d810b05d94e86c22f87

SHA512
17ae477d08e712a4b34c24a9d705aff17b3b8df50fad8366b5213a35912b957ea0cf9f0592c655b2a237a207bef37c2554b3938dd9fb4af525a37a1c563cb637

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