1c371280ef5ddb832d5534e015869a5fe79a379649c64b69160533b81a219e46

Analysis

max time kernel
148s
max time network
175s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
03/06/2024, 15:46

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

AIR FORCE/Site Visit Sign In Sheets.pdf
Size

6.5MB
MD5

222bc41d73b52c4689f6d1524b38c48d
SHA1

e79ae0bec0a6b4bb2500849e8cdb2b3c3d967c6f
SHA256

771c6373bbdaf5bfbc254c99912629d6d6f941d50881a93d2151355d8dcdb481
SHA512

4e0a7ef451bceae74c3357e30f81decbfed662bfd2af7899f0ae60694dd6a75e04ffd94148126569f93ca198f6495767dee8c66a6e433b514ac7a924c0a786cf
SSDEEP

196608:ku/k5gVOzFA5feU5Zaps5ypGdijk3FdEkiW:zMO8RSP5ZGKy9jeIW

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 22 IoCs

pid	Process
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4104	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe
4104	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4104 wrote to memory of 3724	4104	AcroRd32.exe	100
PID 4104 wrote to memory of 3724	4104	AcroRd32.exe	100
PID 4104 wrote to memory of 3724	4104	AcroRd32.exe	100
PID 4104 wrote to memory of 1020	4104	AcroRd32.exe	101
PID 4104 wrote to memory of 1020	4104	AcroRd32.exe	101
PID 4104 wrote to memory of 1020	4104	AcroRd32.exe	101
PID 4104 wrote to memory of 1156	4104	AcroRd32.exe	102
PID 4104 wrote to memory of 1156	4104	AcroRd32.exe	102
PID 4104 wrote to memory of 1156	4104	AcroRd32.exe	102
PID 1156 wrote to memory of 2892	1156	RdrCEF.exe	103
PID 1156 wrote to memory of 2892	1156	RdrCEF.exe	103
PID 1156 wrote to memory of 2892	1156	RdrCEF.exe	103
PID 1156 wrote to memory of 2892	1156	RdrCEF.exe	103
PID 1156 wrote to memory of 2892	1156	RdrCEF.exe	103
PID 1156 wrote to memory of 2892	1156	RdrCEF.exe	103
PID 1156 wrote to memory of 2892	1156	RdrCEF.exe	103
PID 1156 wrote to memory of 2892	1156	RdrCEF.exe	103
PID 1156 wrote to memory of 2892	1156	RdrCEF.exe	103
PID 1156 wrote to memory of 2892	1156	RdrCEF.exe	103
PID 1156 wrote to memory of 2892	1156	RdrCEF.exe	103
PID 1156 wrote to memory of 2892	1156	RdrCEF.exe	103
PID 1156 wrote to memory of 2892	1156	RdrCEF.exe	103
PID 1156 wrote to memory of 2892	1156	RdrCEF.exe	103
PID 1156 wrote to memory of 2892	1156	RdrCEF.exe	103
PID 1156 wrote to memory of 2892	1156	RdrCEF.exe	103
PID 1156 wrote to memory of 2892	1156	RdrCEF.exe	103
PID 1156 wrote to memory of 2892	1156	RdrCEF.exe	103
PID 1156 wrote to memory of 2892	1156	RdrCEF.exe	103
PID 1156 wrote to memory of 2892	1156	RdrCEF.exe	103
PID 1156 wrote to memory of 2892	1156	RdrCEF.exe	103
PID 1156 wrote to memory of 2892	1156	RdrCEF.exe	103
PID 1156 wrote to memory of 2892	1156	RdrCEF.exe	103
PID 1156 wrote to memory of 2892	1156	RdrCEF.exe	103
PID 1156 wrote to memory of 2892	1156	RdrCEF.exe	103
PID 1156 wrote to memory of 2892	1156	RdrCEF.exe	103
PID 1156 wrote to memory of 2892	1156	RdrCEF.exe	103
PID 1156 wrote to memory of 2892	1156	RdrCEF.exe	103
PID 1156 wrote to memory of 2892	1156	RdrCEF.exe	103
PID 1156 wrote to memory of 2892	1156	RdrCEF.exe	103
PID 1156 wrote to memory of 2892	1156	RdrCEF.exe	103
PID 1156 wrote to memory of 2892	1156	RdrCEF.exe	103
PID 1156 wrote to memory of 2892	1156	RdrCEF.exe	103
PID 1156 wrote to memory of 2892	1156	RdrCEF.exe	103
PID 1156 wrote to memory of 2892	1156	RdrCEF.exe	103
PID 1156 wrote to memory of 2892	1156	RdrCEF.exe	103
PID 1156 wrote to memory of 2892	1156	RdrCEF.exe	103
PID 1156 wrote to memory of 2892	1156	RdrCEF.exe	103
PID 1156 wrote to memory of 2892	1156	RdrCEF.exe	103
PID 1156 wrote to memory of 2892	1156	RdrCEF.exe	103
PID 1156 wrote to memory of 2892	1156	RdrCEF.exe	103
PID 1156 wrote to memory of 2056	1156	RdrCEF.exe	104
PID 1156 wrote to memory of 2056	1156	RdrCEF.exe	104
PID 1156 wrote to memory of 2056	1156	RdrCEF.exe	104
PID 1156 wrote to memory of 2056	1156	RdrCEF.exe	104
PID 1156 wrote to memory of 2056	1156	RdrCEF.exe	104
PID 1156 wrote to memory of 2056	1156	RdrCEF.exe	104
PID 1156 wrote to memory of 2056	1156	RdrCEF.exe	104
PID 1156 wrote to memory of 2056	1156	RdrCEF.exe	104
PID 1156 wrote to memory of 2056	1156	RdrCEF.exe	104
PID 1156 wrote to memory of 2056	1156	RdrCEF.exe	104
PID 1156 wrote to memory of 2056	1156	RdrCEF.exe	104
PID 1156 wrote to memory of 2056	1156	RdrCEF.exe	104
PID 1156 wrote to memory of 2056	1156	RdrCEF.exe	104
PID 1156 wrote to memory of 2056	1156	RdrCEF.exe	104

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\AIR FORCE\Site Visit Sign In Sheets.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:4104
- 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:3724
- 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:1020
- 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:1156
- - 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=A158F87D91E57152051EA62173F06BAA --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2892
- - 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=BCABCE68CDD2DCC6FF0B93A73F3C0697 --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=BCABCE68CDD2DCC6FF0B93A73F3C0697 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2056
- - 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=391FE546CD08637755D7C107F4F8A0CC --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1696
- - 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=7FE522482B9B0509F9E9E930027E46B3 --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4320
- - 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=6206DE911D5AB2672A52D49F9A733876 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4276
- - 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=44315BD3C51AD949B6D35899D2CDCB7B --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=44315BD3C51AD949B6D35899D2CDCB7B --renderer-client-id=7 --mojo-platform-channel-handle=1780 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3796

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=1340 --field-trial-handle=2276,i,5697607538120380977,9987005253899555344,262144 --variations-seed-version /prefetch:8
1⤵
PID:1596

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5112

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
713e7de2f179f466e1eccd47d1d766ce

SHA1
961fb49f3c8a873fba0933b2369be5f2f6b0ae78

SHA256
c6029b759a1635bd2e41f09cbad2ea14634e1ec48c7756ce3e229df30e818229

SHA512
f017c992d9241ad251a6582749e72e6a10c8696a09d4123d0edee0e78bb49ceca63314eaa4f92494de072a6ad0da704ac00f5c14fbc831dbf85d42534175c879

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