ab5a2ddc620fe3c86f761239ce775a29bcc1bfe7f8bd4b149e3c183c399c8388

Resubmissions

02/05/2024, 17:24

240502-vyyyrsdb6w 1

02/05/2024, 17:22

240502-vxztnsfb85 1

Analysis

max time kernel
63s
max time network
68s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
02/05/2024, 17:22

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Report Analysis Logs

General

Target

Threat Analysis Report May_TBL.pdf
Size

1.0MB
MD5

fc4916b8fed5d1210e23efdbfde16efb
SHA1

a8bff1fdbeb8a3c0cb0381f108862202656def3c
SHA256

ab5a2ddc620fe3c86f761239ce775a29bcc1bfe7f8bd4b149e3c183c399c8388
SHA512

808bba7ca529f9f00e13c7b6ac3b414a837a4406abc7ac2f8e29ceb6b8bcf0547f4df796cd8c8015ee159e7fd80c3483b1deee65f7f258504cd14a3bda5b4f0a
SSDEEP

24576:sZTneylDWDpqjXZNX2cMSNDpdlvbmvmolekBnU9LIV5:sBRl+4jqDSNDFvbmvmolJaO

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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4752	AcroRd32.exe
4752	AcroRd32.exe
4752	AcroRd32.exe
4752	AcroRd32.exe
4752	AcroRd32.exe
4752	AcroRd32.exe
4752	AcroRd32.exe
4752	AcroRd32.exe
4752	AcroRd32.exe
4752	AcroRd32.exe
4752	AcroRd32.exe
4752	AcroRd32.exe
4752	AcroRd32.exe
4752	AcroRd32.exe
4752	AcroRd32.exe
4752	AcroRd32.exe
4752	AcroRd32.exe
4752	AcroRd32.exe
4752	AcroRd32.exe
4752	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4752	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4752	AcroRd32.exe
4752	AcroRd32.exe
4752	AcroRd32.exe
4752	AcroRd32.exe
4752	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4752 wrote to memory of 4692	4752	AcroRd32.exe	92
PID 4752 wrote to memory of 4692	4752	AcroRd32.exe	92
PID 4752 wrote to memory of 4692	4752	AcroRd32.exe	92
PID 4692 wrote to memory of 5108	4692	RdrCEF.exe	95
PID 4692 wrote to memory of 5108	4692	RdrCEF.exe	95
PID 4692 wrote to memory of 5108	4692	RdrCEF.exe	95
PID 4692 wrote to memory of 5108	4692	RdrCEF.exe	95
PID 4692 wrote to memory of 5108	4692	RdrCEF.exe	95
PID 4692 wrote to memory of 5108	4692	RdrCEF.exe	95
PID 4692 wrote to memory of 5108	4692	RdrCEF.exe	95
PID 4692 wrote to memory of 5108	4692	RdrCEF.exe	95
PID 4692 wrote to memory of 5108	4692	RdrCEF.exe	95
PID 4692 wrote to memory of 5108	4692	RdrCEF.exe	95
PID 4692 wrote to memory of 5108	4692	RdrCEF.exe	95
PID 4692 wrote to memory of 5108	4692	RdrCEF.exe	95
PID 4692 wrote to memory of 5108	4692	RdrCEF.exe	95
PID 4692 wrote to memory of 5108	4692	RdrCEF.exe	95
PID 4692 wrote to memory of 5108	4692	RdrCEF.exe	95
PID 4692 wrote to memory of 5108	4692	RdrCEF.exe	95
PID 4692 wrote to memory of 5108	4692	RdrCEF.exe	95
PID 4692 wrote to memory of 5108	4692	RdrCEF.exe	95
PID 4692 wrote to memory of 5108	4692	RdrCEF.exe	95
PID 4692 wrote to memory of 5108	4692	RdrCEF.exe	95
PID 4692 wrote to memory of 5108	4692	RdrCEF.exe	95
PID 4692 wrote to memory of 5108	4692	RdrCEF.exe	95
PID 4692 wrote to memory of 5108	4692	RdrCEF.exe	95
PID 4692 wrote to memory of 5108	4692	RdrCEF.exe	95
PID 4692 wrote to memory of 5108	4692	RdrCEF.exe	95
PID 4692 wrote to memory of 5108	4692	RdrCEF.exe	95
PID 4692 wrote to memory of 5108	4692	RdrCEF.exe	95
PID 4692 wrote to memory of 5108	4692	RdrCEF.exe	95
PID 4692 wrote to memory of 5108	4692	RdrCEF.exe	95
PID 4692 wrote to memory of 5108	4692	RdrCEF.exe	95
PID 4692 wrote to memory of 5108	4692	RdrCEF.exe	95
PID 4692 wrote to memory of 5108	4692	RdrCEF.exe	95
PID 4692 wrote to memory of 5108	4692	RdrCEF.exe	95
PID 4692 wrote to memory of 5108	4692	RdrCEF.exe	95
PID 4692 wrote to memory of 5108	4692	RdrCEF.exe	95
PID 4692 wrote to memory of 5108	4692	RdrCEF.exe	95
PID 4692 wrote to memory of 5108	4692	RdrCEF.exe	95
PID 4692 wrote to memory of 5108	4692	RdrCEF.exe	95
PID 4692 wrote to memory of 5108	4692	RdrCEF.exe	95
PID 4692 wrote to memory of 5108	4692	RdrCEF.exe	95
PID 4692 wrote to memory of 5108	4692	RdrCEF.exe	95
PID 4692 wrote to memory of 5108	4692	RdrCEF.exe	95
PID 4692 wrote to memory of 5108	4692	RdrCEF.exe	95
PID 4692 wrote to memory of 876	4692	RdrCEF.exe	96
PID 4692 wrote to memory of 876	4692	RdrCEF.exe	96
PID 4692 wrote to memory of 876	4692	RdrCEF.exe	96
PID 4692 wrote to memory of 876	4692	RdrCEF.exe	96
PID 4692 wrote to memory of 876	4692	RdrCEF.exe	96
PID 4692 wrote to memory of 876	4692	RdrCEF.exe	96
PID 4692 wrote to memory of 876	4692	RdrCEF.exe	96
PID 4692 wrote to memory of 876	4692	RdrCEF.exe	96
PID 4692 wrote to memory of 876	4692	RdrCEF.exe	96
PID 4692 wrote to memory of 876	4692	RdrCEF.exe	96
PID 4692 wrote to memory of 876	4692	RdrCEF.exe	96
PID 4692 wrote to memory of 876	4692	RdrCEF.exe	96
PID 4692 wrote to memory of 876	4692	RdrCEF.exe	96
PID 4692 wrote to memory of 876	4692	RdrCEF.exe	96
PID 4692 wrote to memory of 876	4692	RdrCEF.exe	96
PID 4692 wrote to memory of 876	4692	RdrCEF.exe	96
PID 4692 wrote to memory of 876	4692	RdrCEF.exe	96
PID 4692 wrote to memory of 876	4692	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\Threat Analysis Report May_TBL.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:4752
- 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:4692
- - 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=007D17A3B002F3DE202B08506A039E1A --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=007D17A3B002F3DE202B08506A039E1A --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5108
- - 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=1B067CAE98B325D1C956ED7D4D14A29F --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:876
- - 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=D8367A883F3739BE74A3DCE5A3E78FC5 --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=D8367A883F3739BE74A3DCE5A3E78FC5 --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2144
- - 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=5ADF6CDE1C4DFDD962CCE1751969A2EE --mojo-platform-channel-handle=2576 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:500
- - 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=52F331795F4AD2B567DC00CBDE89F9C0 --mojo-platform-channel-handle=2680 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4116
- - 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=6471D58AF4E0A9A5AF87D0CF7CFD90C5 --mojo-platform-channel-handle=2676 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2360
- 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⤵
  PID:2528

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2284

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1316 --field-trial-handle=2280,i,11703952675008463361,17436195144517971517,262144 --variations-seed-version /prefetch:8
1⤵
PID:3420

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

Loading Replay Monitor...

Downloads

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

Filesize
64KB

MD5
1f0be80c3df417c3695ad311191c53b8

SHA1
ee6cfe296674910fa33ee810f9b35aeea11a8ed5

SHA256
ca57e1e7ea5d5a628434ed15f4dbab5a617578ffe4aa4b40d29a1fa5cd42af6e

SHA512
bb2d62a64ac42cf3ad2f82d1e6c59f3c9ee1cc912e1877ddd33857df4f773e07ca0ff5a5e11687d458868eeffe5dd1305a8968adce83d86082911b0f16dbe870

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