6c91b2c60b866fee8bd2b8d54317155ff3a9dee10633acedd3d6e373456431eb

Analysis

max time kernel
142s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28/02/2024, 05:19

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General

Target

ab17faada262db2d2a0518d75e0c2311.pdf
Size

86KB
MD5

ab17faada262db2d2a0518d75e0c2311
SHA1

3aaf58999f3429caf3e94e9e9bee806b711384b6
SHA256

6c91b2c60b866fee8bd2b8d54317155ff3a9dee10633acedd3d6e373456431eb
SHA512

59d37c4038647168674c1cdc81790d82960308a898d7b2208e4e7407b6c21c2778357e16f6f0d463f9cffdf1ff83c1527a8cc27b5d94ee1b80465d1f64f87f22
SSDEEP

1536:vGlBxOQ6BcJKA7wxft8ET55ahYbDS3doIRWjOJoJ104R3xTWCpOViIWrKjoMrh37:ox7eAERWEfWiSxRWe80kEVi7Kb37

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-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1000	AcroRd32.exe
1000	AcroRd32.exe
1000	AcroRd32.exe
1000	AcroRd32.exe
1000	AcroRd32.exe
1000	AcroRd32.exe
1000	AcroRd32.exe
1000	AcroRd32.exe
1000	AcroRd32.exe
1000	AcroRd32.exe
1000	AcroRd32.exe
1000	AcroRd32.exe
1000	AcroRd32.exe
1000	AcroRd32.exe
1000	AcroRd32.exe
1000	AcroRd32.exe
1000	AcroRd32.exe
1000	AcroRd32.exe
1000	AcroRd32.exe
1000	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1000	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1000	AcroRd32.exe
1000	AcroRd32.exe
1000	AcroRd32.exe
1000	AcroRd32.exe
1000	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1000 wrote to memory of 4636	1000	AcroRd32.exe	100
PID 1000 wrote to memory of 4636	1000	AcroRd32.exe	100
PID 1000 wrote to memory of 4636	1000	AcroRd32.exe	100
PID 4636 wrote to memory of 3836	4636	RdrCEF.exe	101
PID 4636 wrote to memory of 3836	4636	RdrCEF.exe	101
PID 4636 wrote to memory of 3836	4636	RdrCEF.exe	101
PID 4636 wrote to memory of 3836	4636	RdrCEF.exe	101
PID 4636 wrote to memory of 3836	4636	RdrCEF.exe	101
PID 4636 wrote to memory of 3836	4636	RdrCEF.exe	101
PID 4636 wrote to memory of 3836	4636	RdrCEF.exe	101
PID 4636 wrote to memory of 3836	4636	RdrCEF.exe	101
PID 4636 wrote to memory of 3836	4636	RdrCEF.exe	101
PID 4636 wrote to memory of 3836	4636	RdrCEF.exe	101
PID 4636 wrote to memory of 3836	4636	RdrCEF.exe	101
PID 4636 wrote to memory of 3836	4636	RdrCEF.exe	101
PID 4636 wrote to memory of 3836	4636	RdrCEF.exe	101
PID 4636 wrote to memory of 3836	4636	RdrCEF.exe	101
PID 4636 wrote to memory of 3836	4636	RdrCEF.exe	101
PID 4636 wrote to memory of 3836	4636	RdrCEF.exe	101
PID 4636 wrote to memory of 3836	4636	RdrCEF.exe	101
PID 4636 wrote to memory of 3836	4636	RdrCEF.exe	101
PID 4636 wrote to memory of 3836	4636	RdrCEF.exe	101
PID 4636 wrote to memory of 3836	4636	RdrCEF.exe	101
PID 4636 wrote to memory of 3836	4636	RdrCEF.exe	101
PID 4636 wrote to memory of 3836	4636	RdrCEF.exe	101
PID 4636 wrote to memory of 3836	4636	RdrCEF.exe	101
PID 4636 wrote to memory of 3836	4636	RdrCEF.exe	101
PID 4636 wrote to memory of 3836	4636	RdrCEF.exe	101
PID 4636 wrote to memory of 3836	4636	RdrCEF.exe	101
PID 4636 wrote to memory of 3836	4636	RdrCEF.exe	101
PID 4636 wrote to memory of 3836	4636	RdrCEF.exe	101
PID 4636 wrote to memory of 3836	4636	RdrCEF.exe	101
PID 4636 wrote to memory of 3836	4636	RdrCEF.exe	101
PID 4636 wrote to memory of 3836	4636	RdrCEF.exe	101
PID 4636 wrote to memory of 3836	4636	RdrCEF.exe	101
PID 4636 wrote to memory of 3836	4636	RdrCEF.exe	101
PID 4636 wrote to memory of 3836	4636	RdrCEF.exe	101
PID 4636 wrote to memory of 3836	4636	RdrCEF.exe	101
PID 4636 wrote to memory of 3836	4636	RdrCEF.exe	101
PID 4636 wrote to memory of 3836	4636	RdrCEF.exe	101
PID 4636 wrote to memory of 3836	4636	RdrCEF.exe	101
PID 4636 wrote to memory of 3836	4636	RdrCEF.exe	101
PID 4636 wrote to memory of 3836	4636	RdrCEF.exe	101
PID 4636 wrote to memory of 3836	4636	RdrCEF.exe	101
PID 4636 wrote to memory of 368	4636	RdrCEF.exe	102
PID 4636 wrote to memory of 368	4636	RdrCEF.exe	102
PID 4636 wrote to memory of 368	4636	RdrCEF.exe	102
PID 4636 wrote to memory of 368	4636	RdrCEF.exe	102
PID 4636 wrote to memory of 368	4636	RdrCEF.exe	102
PID 4636 wrote to memory of 368	4636	RdrCEF.exe	102
PID 4636 wrote to memory of 368	4636	RdrCEF.exe	102
PID 4636 wrote to memory of 368	4636	RdrCEF.exe	102
PID 4636 wrote to memory of 368	4636	RdrCEF.exe	102
PID 4636 wrote to memory of 368	4636	RdrCEF.exe	102
PID 4636 wrote to memory of 368	4636	RdrCEF.exe	102
PID 4636 wrote to memory of 368	4636	RdrCEF.exe	102
PID 4636 wrote to memory of 368	4636	RdrCEF.exe	102
PID 4636 wrote to memory of 368	4636	RdrCEF.exe	102
PID 4636 wrote to memory of 368	4636	RdrCEF.exe	102
PID 4636 wrote to memory of 368	4636	RdrCEF.exe	102
PID 4636 wrote to memory of 368	4636	RdrCEF.exe	102
PID 4636 wrote to memory of 368	4636	RdrCEF.exe	102
PID 4636 wrote to memory of 368	4636	RdrCEF.exe	102
PID 4636 wrote to memory of 368	4636	RdrCEF.exe	102

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\ab17faada262db2d2a0518d75e0c2311.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:1000
- 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:4636
- - 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=4A8114528E876C8F21C288CCE0AB8075 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3836
- - 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=0102D22FB3C21ADAFB327D95A50F2681 --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=0102D22FB3C21ADAFB327D95A50F2681 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:368
- - 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=1E19B72574805F01E306C97C5601DE30 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3408
- - 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=3157D69DC78862092067CBECA15313F6 --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=3157D69DC78862092067CBECA15313F6 --renderer-client-id=5 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4496
- - 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=20C1ED75321FB76F9A39BEC10E0DB81F --mojo-platform-channel-handle=2336 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1256
- - 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=7053B809ACEB1A9FCFCF0B4AB60B7339 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3660

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4540

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=4200 --field-trial-handle=2304,i,7548677271533893574,11048237606705436109,262144 --variations-seed-version /prefetch:8
1⤵
PID:4544

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
71a7b0ffe59472faeb09daa1d31170e6

SHA1
1f79cd39ea52884054c942ace5e8331ce0cc7842

SHA256
5d4e58c017e9f1bfc0095f0d2ca61ee4cebfe1ab7896dfc0daaedb2dcb092551

SHA512
7306a9b8d9c072eba59a0e3b90e0f64fcbffd295a80669e01743e34caa3f88f5dd330e29e08e45064e740ce882298d79a48a9c1b6a5d359f0dadd46198685c9f

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