4beb397ea49948dfead829e3744ade15310b7b55d44dfcd17001924f23e107e3

General

Target

2021-2022 DOL BID PROCEDURE.pdf
Size

332KB
MD5

0e3612118f3398baa0096f45db420a89
SHA1

31cfb490faab1d20fd22a7f8de5075d2514f756b
SHA256

4beb397ea49948dfead829e3744ade15310b7b55d44dfcd17001924f23e107e3
SHA512

6f043285c0a7a6ab4bbb4d4f3dd482647d66b6dd65ffea606d3b6ec1c8410feef4f08020e993f28186a6d777f06349813b3cc3db04ea635e8d48fc2ea8597188

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

Processes:

AcroRd32.exe

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

Processes:

AcroRd32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

AcroRd32.exe

pid	process
3708	AcroRd32.exe
3708	AcroRd32.exe
3708	AcroRd32.exe
3708	AcroRd32.exe
3708	AcroRd32.exe
3708	AcroRd32.exe
3708	AcroRd32.exe
3708	AcroRd32.exe
3708	AcroRd32.exe
3708	AcroRd32.exe
3708	AcroRd32.exe
3708	AcroRd32.exe
3708	AcroRd32.exe
3708	AcroRd32.exe
3708	AcroRd32.exe
3708	AcroRd32.exe
3708	AcroRd32.exe
3708	AcroRd32.exe
3708	AcroRd32.exe
3708	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

AcroRd32.exe

pid process

3708 AcroRd32.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

AcroRd32.exe

pid process

3708 AcroRd32.exe
3708 AcroRd32.exe
3708 AcroRd32.exe
3708 AcroRd32.exe
3708 AcroRd32.exe
3708 AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

AcroRd32.exeRdrCEF.exe

description	pid	process	target process
PID 3708 wrote to memory of 3064	3708	AcroRd32.exe	RdrCEF.exe
PID 3708 wrote to memory of 3064	3708	AcroRd32.exe	RdrCEF.exe
PID 3708 wrote to memory of 3064	3708	AcroRd32.exe	RdrCEF.exe
PID 3064 wrote to memory of 4368	3064	RdrCEF.exe	RdrCEF.exe
PID 3064 wrote to memory of 4368	3064	RdrCEF.exe	RdrCEF.exe
PID 3064 wrote to memory of 4368	3064	RdrCEF.exe	RdrCEF.exe
PID 3064 wrote to memory of 4368	3064	RdrCEF.exe	RdrCEF.exe
PID 3064 wrote to memory of 4368	3064	RdrCEF.exe	RdrCEF.exe
PID 3064 wrote to memory of 4368	3064	RdrCEF.exe	RdrCEF.exe
PID 3064 wrote to memory of 4368	3064	RdrCEF.exe	RdrCEF.exe
PID 3064 wrote to memory of 4368	3064	RdrCEF.exe	RdrCEF.exe
PID 3064 wrote to memory of 4368	3064	RdrCEF.exe	RdrCEF.exe
PID 3064 wrote to memory of 4368	3064	RdrCEF.exe	RdrCEF.exe
PID 3064 wrote to memory of 4368	3064	RdrCEF.exe	RdrCEF.exe
PID 3064 wrote to memory of 4368	3064	RdrCEF.exe	RdrCEF.exe
PID 3064 wrote to memory of 4368	3064	RdrCEF.exe	RdrCEF.exe
PID 3064 wrote to memory of 4368	3064	RdrCEF.exe	RdrCEF.exe
PID 3064 wrote to memory of 4368	3064	RdrCEF.exe	RdrCEF.exe
PID 3064 wrote to memory of 4368	3064	RdrCEF.exe	RdrCEF.exe
PID 3064 wrote to memory of 4368	3064	RdrCEF.exe	RdrCEF.exe
PID 3064 wrote to memory of 4368	3064	RdrCEF.exe	RdrCEF.exe
PID 3064 wrote to memory of 4368	3064	RdrCEF.exe	RdrCEF.exe
PID 3064 wrote to memory of 4368	3064	RdrCEF.exe	RdrCEF.exe
PID 3064 wrote to memory of 4368	3064	RdrCEF.exe	RdrCEF.exe
PID 3064 wrote to memory of 4368	3064	RdrCEF.exe	RdrCEF.exe
PID 3064 wrote to memory of 4368	3064	RdrCEF.exe	RdrCEF.exe
PID 3064 wrote to memory of 4368	3064	RdrCEF.exe	RdrCEF.exe
PID 3064 wrote to memory of 4368	3064	RdrCEF.exe	RdrCEF.exe
PID 3064 wrote to memory of 4368	3064	RdrCEF.exe	RdrCEF.exe
PID 3064 wrote to memory of 4368	3064	RdrCEF.exe	RdrCEF.exe
PID 3064 wrote to memory of 4368	3064	RdrCEF.exe	RdrCEF.exe
PID 3064 wrote to memory of 4368	3064	RdrCEF.exe	RdrCEF.exe
PID 3064 wrote to memory of 4368	3064	RdrCEF.exe	RdrCEF.exe
PID 3064 wrote to memory of 4368	3064	RdrCEF.exe	RdrCEF.exe
PID 3064 wrote to memory of 4368	3064	RdrCEF.exe	RdrCEF.exe
PID 3064 wrote to memory of 4368	3064	RdrCEF.exe	RdrCEF.exe
PID 3064 wrote to memory of 4368	3064	RdrCEF.exe	RdrCEF.exe
PID 3064 wrote to memory of 4368	3064	RdrCEF.exe	RdrCEF.exe
PID 3064 wrote to memory of 4368	3064	RdrCEF.exe	RdrCEF.exe
PID 3064 wrote to memory of 4368	3064	RdrCEF.exe	RdrCEF.exe
PID 3064 wrote to memory of 4368	3064	RdrCEF.exe	RdrCEF.exe
PID 3064 wrote to memory of 4368	3064	RdrCEF.exe	RdrCEF.exe
PID 3064 wrote to memory of 4368	3064	RdrCEF.exe	RdrCEF.exe
PID 3064 wrote to memory of 4368	3064	RdrCEF.exe	RdrCEF.exe
PID 3064 wrote to memory of 748	3064	RdrCEF.exe	RdrCEF.exe
PID 3064 wrote to memory of 748	3064	RdrCEF.exe	RdrCEF.exe
PID 3064 wrote to memory of 748	3064	RdrCEF.exe	RdrCEF.exe
PID 3064 wrote to memory of 748	3064	RdrCEF.exe	RdrCEF.exe
PID 3064 wrote to memory of 748	3064	RdrCEF.exe	RdrCEF.exe
PID 3064 wrote to memory of 748	3064	RdrCEF.exe	RdrCEF.exe
PID 3064 wrote to memory of 748	3064	RdrCEF.exe	RdrCEF.exe
PID 3064 wrote to memory of 748	3064	RdrCEF.exe	RdrCEF.exe
PID 3064 wrote to memory of 748	3064	RdrCEF.exe	RdrCEF.exe
PID 3064 wrote to memory of 748	3064	RdrCEF.exe	RdrCEF.exe
PID 3064 wrote to memory of 748	3064	RdrCEF.exe	RdrCEF.exe
PID 3064 wrote to memory of 748	3064	RdrCEF.exe	RdrCEF.exe
PID 3064 wrote to memory of 748	3064	RdrCEF.exe	RdrCEF.exe
PID 3064 wrote to memory of 748	3064	RdrCEF.exe	RdrCEF.exe
PID 3064 wrote to memory of 748	3064	RdrCEF.exe	RdrCEF.exe
PID 3064 wrote to memory of 748	3064	RdrCEF.exe	RdrCEF.exe
PID 3064 wrote to memory of 748	3064	RdrCEF.exe	RdrCEF.exe
PID 3064 wrote to memory of 748	3064	RdrCEF.exe	RdrCEF.exe
PID 3064 wrote to memory of 748	3064	RdrCEF.exe	RdrCEF.exe
PID 3064 wrote to memory of 748	3064	RdrCEF.exe	RdrCEF.exe

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\2021-2022 DOL BID PROCEDURE.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:3708

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:3064

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=A3FC5BEE0B0BAE7A11F7B9E6A20C4BEF --mojo-platform-channel-handle=1620 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:4368

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=A9DA135E8E53180BA718A4D6E8379691 --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=1 --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=A9DA135E8E53180BA718A4D6E8379691 --renderer-client-id=2 --mojo-platform-channel-handle=1640 --allow-no-sandbox-job /prefetch:1
3⤵
PID:748

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=B6415B44C2328AABBC1ED0BA2F6D390F --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=1 --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=B6415B44C2328AABBC1ED0BA2F6D390F --renderer-client-id=4 --mojo-platform-channel-handle=2088 --allow-no-sandbox-job /prefetch:1
3⤵
PID:4152

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=C6136AAD04125C364DCD9BB87ED712DD --mojo-platform-channel-handle=2456 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:920

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=0BA258DF6C24B1CA7A5AE577346AF6EF --mojo-platform-channel-handle=1644 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:1524

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=A94B898E4BD6ADBAF3CD42FE803BC026 --mojo-platform-channel-handle=2692 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:2144

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/748-128-0x0000000001060000-0x0000000001061000-memory.dmp

Filesize
4KB

Download
memory/748-127-0x0000000000E90000-0x0000000000E91000-memory.dmp

Filesize
4KB

Download
memory/748-124-0x0000000001042000-0x0000000001043000-memory.dmp

Filesize
4KB

Download
memory/748-125-0x0000000000000000-mapping.dmp

Download
memory/748-123-0x0000000077D82000-0x0000000077D83000-memory.dmp

Filesize
4KB

Download
memory/920-137-0x0000000000000000-mapping.dmp

Download
memory/920-135-0x0000000077D82000-0x0000000077D83000-memory.dmp

Filesize
4KB

Download
memory/920-136-0x0000000000BB6000-0x0000000000BB7000-memory.dmp

Filesize
4KB

Download
memory/1524-140-0x0000000000734000-0x0000000000735000-memory.dmp

Filesize
4KB

Download
memory/1524-141-0x0000000000000000-mapping.dmp

Download
memory/1524-139-0x0000000077D82000-0x0000000077D83000-memory.dmp

Filesize
4KB

Download
memory/2144-145-0x0000000000000000-mapping.dmp

Download
memory/2144-144-0x0000000000BFB000-0x0000000000BFC000-memory.dmp

Filesize
4KB

Download
memory/2144-143-0x0000000077D82000-0x0000000077D83000-memory.dmp

Filesize
4KB

Download
memory/3064-118-0x0000000000000000-mapping.dmp

Download
memory/4152-130-0x0000000001022000-0x0000000001023000-memory.dmp

Filesize
4KB

Download
memory/4152-131-0x0000000000000000-mapping.dmp

Download
memory/4152-129-0x0000000077D82000-0x0000000077D83000-memory.dmp

Filesize
4KB

Download
memory/4368-122-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/4368-119-0x0000000077D82000-0x0000000077D83000-memory.dmp

Filesize
4KB

Download
memory/4368-120-0x0000000000B71000-0x0000000000B72000-memory.dmp

Filesize
4KB

Download
memory/4368-121-0x0000000000000000-mapping.dmp

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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