hxxp://tumbo[.]cc/

Analysis

max time kernel
149s
max time network
203s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
29/05/2024, 06:30

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General

Target

http://tumbo.cc/

Score

1^/10

Malware Config

Signatures

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	msedge.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
4588	msedge.exe
4588	msedge.exe
996	msedge.exe
996	msedge.exe
5044	identity_helper.exe
5044	identity_helper.exe
3628	msedge.exe
3628	msedge.exe
3628	msedge.exe
3628	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs

pid	Process
996	msedge.exe
996	msedge.exe
996	msedge.exe
996	msedge.exe
996	msedge.exe
996	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
996	msedge.exe
996	msedge.exe
996	msedge.exe
996	msedge.exe
996	msedge.exe
996	msedge.exe
996	msedge.exe
996	msedge.exe
996	msedge.exe
996	msedge.exe
996	msedge.exe
996	msedge.exe
996	msedge.exe
996	msedge.exe
996	msedge.exe
996	msedge.exe
996	msedge.exe
996	msedge.exe
996	msedge.exe
996	msedge.exe
996	msedge.exe
996	msedge.exe
996	msedge.exe
996	msedge.exe
996	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
996	msedge.exe
996	msedge.exe
996	msedge.exe
996	msedge.exe
996	msedge.exe
996	msedge.exe
996	msedge.exe
996	msedge.exe
996	msedge.exe
996	msedge.exe
996	msedge.exe
996	msedge.exe
996	msedge.exe
996	msedge.exe
996	msedge.exe
996	msedge.exe
996	msedge.exe
996	msedge.exe
996	msedge.exe
996	msedge.exe
996	msedge.exe
996	msedge.exe
996	msedge.exe
996	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 996 wrote to memory of 2976	996	msedge.exe	83
PID 996 wrote to memory of 2976	996	msedge.exe	83
PID 996 wrote to memory of 2008	996	msedge.exe	84
PID 996 wrote to memory of 2008	996	msedge.exe	84
PID 996 wrote to memory of 2008	996	msedge.exe	84
PID 996 wrote to memory of 2008	996	msedge.exe	84
PID 996 wrote to memory of 2008	996	msedge.exe	84
PID 996 wrote to memory of 2008	996	msedge.exe	84
PID 996 wrote to memory of 2008	996	msedge.exe	84
PID 996 wrote to memory of 2008	996	msedge.exe	84
PID 996 wrote to memory of 2008	996	msedge.exe	84
PID 996 wrote to memory of 2008	996	msedge.exe	84
PID 996 wrote to memory of 2008	996	msedge.exe	84
PID 996 wrote to memory of 2008	996	msedge.exe	84
PID 996 wrote to memory of 2008	996	msedge.exe	84
PID 996 wrote to memory of 2008	996	msedge.exe	84
PID 996 wrote to memory of 2008	996	msedge.exe	84
PID 996 wrote to memory of 2008	996	msedge.exe	84
PID 996 wrote to memory of 2008	996	msedge.exe	84
PID 996 wrote to memory of 2008	996	msedge.exe	84
PID 996 wrote to memory of 2008	996	msedge.exe	84
PID 996 wrote to memory of 2008	996	msedge.exe	84
PID 996 wrote to memory of 2008	996	msedge.exe	84
PID 996 wrote to memory of 2008	996	msedge.exe	84
PID 996 wrote to memory of 2008	996	msedge.exe	84
PID 996 wrote to memory of 2008	996	msedge.exe	84
PID 996 wrote to memory of 2008	996	msedge.exe	84
PID 996 wrote to memory of 2008	996	msedge.exe	84
PID 996 wrote to memory of 2008	996	msedge.exe	84
PID 996 wrote to memory of 2008	996	msedge.exe	84
PID 996 wrote to memory of 2008	996	msedge.exe	84
PID 996 wrote to memory of 2008	996	msedge.exe	84
PID 996 wrote to memory of 2008	996	msedge.exe	84
PID 996 wrote to memory of 2008	996	msedge.exe	84
PID 996 wrote to memory of 2008	996	msedge.exe	84
PID 996 wrote to memory of 2008	996	msedge.exe	84
PID 996 wrote to memory of 2008	996	msedge.exe	84
PID 996 wrote to memory of 2008	996	msedge.exe	84
PID 996 wrote to memory of 2008	996	msedge.exe	84
PID 996 wrote to memory of 2008	996	msedge.exe	84
PID 996 wrote to memory of 2008	996	msedge.exe	84
PID 996 wrote to memory of 2008	996	msedge.exe	84
PID 996 wrote to memory of 4588	996	msedge.exe	85
PID 996 wrote to memory of 4588	996	msedge.exe	85
PID 996 wrote to memory of 636	996	msedge.exe	86
PID 996 wrote to memory of 636	996	msedge.exe	86
PID 996 wrote to memory of 636	996	msedge.exe	86
PID 996 wrote to memory of 636	996	msedge.exe	86
PID 996 wrote to memory of 636	996	msedge.exe	86
PID 996 wrote to memory of 636	996	msedge.exe	86
PID 996 wrote to memory of 636	996	msedge.exe	86
PID 996 wrote to memory of 636	996	msedge.exe	86
PID 996 wrote to memory of 636	996	msedge.exe	86
PID 996 wrote to memory of 636	996	msedge.exe	86
PID 996 wrote to memory of 636	996	msedge.exe	86
PID 996 wrote to memory of 636	996	msedge.exe	86
PID 996 wrote to memory of 636	996	msedge.exe	86
PID 996 wrote to memory of 636	996	msedge.exe	86
PID 996 wrote to memory of 636	996	msedge.exe	86
PID 996 wrote to memory of 636	996	msedge.exe	86
PID 996 wrote to memory of 636	996	msedge.exe	86
PID 996 wrote to memory of 636	996	msedge.exe	86
PID 996 wrote to memory of 636	996	msedge.exe	86
PID 996 wrote to memory of 636	996	msedge.exe	86

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://tumbo.cc/
1⤵
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:996
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0x100,0x104,0x108,0xd8,0x10c,0x7ffef86946f8,0x7ffef8694708,0x7ffef8694718
  2⤵
  PID:2976
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2076,11731295274946621791,10794508921706588812,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2148 /prefetch:2
  2⤵
  PID:2008
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2076,11731295274946621791,10794508921706588812,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2200 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4588
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2076,11731295274946621791,10794508921706588812,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2768 /prefetch:8
  2⤵
  PID:636
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2076,11731295274946621791,10794508921706588812,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3304 /prefetch:1
  2⤵
  PID:5068
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2076,11731295274946621791,10794508921706588812,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3320 /prefetch:1
  2⤵
  PID:4884
- C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2076,11731295274946621791,10794508921706588812,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5552 /prefetch:8
  2⤵
  PID:2476
- C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2076,11731295274946621791,10794508921706588812,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5552 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:5044
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2076,11731295274946621791,10794508921706588812,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4572 /prefetch:1
  2⤵
  PID:796
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2076,11731295274946621791,10794508921706588812,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5180 /prefetch:1
  2⤵
  PID:2884
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2076,11731295274946621791,10794508921706588812,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3604 /prefetch:1
  2⤵
  PID:1480
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2076,11731295274946621791,10794508921706588812,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5556 /prefetch:1
  2⤵
  PID:544
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2076,11731295274946621791,10794508921706588812,131072 --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=4318 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --gpu-preferences=UAAAAAAAAADoAAAQAAAAAAAAAAAAAAAAAABgAAAEAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2396 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3628

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3712

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3436

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

Filesize
152B

MD5
f61fa5143fe872d1d8f1e9f8dc6544f9

SHA1
df44bab94d7388fb38c63085ec4db80cfc5eb009

SHA256
284a24b5b40860240db00ef3ae6a33c9fa8349ab5490a634e27b2c6e9a191c64

SHA512
971000784a6518bb39c5cf043292c7ab659162275470f5f6b632ea91a6bcae83bc80517ceb983dd5abfe8fb4e157344cb65c27e609a879eec00b33c5fad563a6

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

Filesize
152B

MD5
87f7abeb82600e1e640b843ad50fe0a1

SHA1
045bbada3f23fc59941bf7d0210fb160cb78ae87

SHA256
b35d6906050d90a81d23646f86c20a8f5d42f058ffc6436fb0a2b8bd71ee1262

SHA512
ea8e7f24ab823ad710ce079c86c40aa957353a00d2775732c23e31be88a10d212e974c4691279aa86016c4660f5795febf739a15207833df6ed964a9ed99d618

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index

Filesize
192B

MD5
f34339092e03da7a0983eb3f4a4b3e22

SHA1
f6b9b69d4b0d0cf4213cbc457ecbe338d949419d

SHA256
4d3a1bbff795fe3604b1317c3cf080ea2153330ea87995e5610b7ca93b459baa

SHA512
0958cedd40b7dbfe5f13f66577ffe631d0de362ef48345057e743cb3e7c0f2b3858a494508f3b611b95e5b875805315b6eaaa6fe0ee1476c243ee6c0df5b34b4

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index

Filesize
192B

MD5
829c307e6b538425b177e77fb21cca20

SHA1
93ef1e9a8bacdf46607e41ec3130ba28175588e4

SHA256
26d39444d059ef06289d5f547c397b5edece5d71590a2c8a43350ddc5e6675bd

SHA512
3fa585a2999896f6593e88483454dc80a3b7aa8465eb81df4105fd0b876539e04c8bd2d5f8bd538ff60e91219b003a5b9340653095a2cdb0a4a56891daebf54f

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network Persistent State

Filesize
111B

MD5
807419ca9a4734feaf8d8563a003b048

SHA1
a723c7d60a65886ffa068711f1e900ccc85922a6

SHA256
aa10bf07b0d265bed28f2a475f3564d8ddb5e4d4ffee0ab6f3a0cc564907b631

SHA512
f10d496ae75db5ba412bd9f17bf0c7da7632db92a3fabf7f24071e40f5759c6a875ad8f3a72bad149da58b3da3b816077df125d0d9f3544adba68c66353d206c

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network Persistent State

Filesize
254B

MD5
80aa2230c0809a2da31434b6a2302c95

SHA1
b71e371aeffb9129259ec0a6bccb9dc08bad2898

SHA256
f8c9143a853fa0e877c764b65859584342490f72666fa7e30b834a9c34615fef

SHA512
33861f93a2918fd5cf43efb27a450810c30105dd7176781e24db67746dfb01da3156411d0b9ef3823db1fe3c909f4d1d99a647c4fbc23f54bee73df90f99aab2

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

Filesize
5KB

MD5
9d8f144b0b9e9b2501ad273eb0bf75c6

SHA1
68eeed8e3da0c710acaa87ceb2a63a970c852416

SHA256
06c075d9fe7370207c8fb2d70178e2293a30e59338da9d1a4753d4a79cf471a9

SHA512
8b3a7249a560d296d8ef8cd2baf656ee70404f34b31fe7d25d5f39ddaf16958892aeff6808635a2887ff515203c0f2f43e947c60b43d49b1312ce450403f8c1e

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

Filesize
6KB

MD5
ac81132b96253859531487edb765b424

SHA1
b9671cd253c73851efc297fdebe44b2dc179bd48

SHA256
ac824c95dbca729814c5eb8a6ac87aed2d2a582d468b663ff356ec71c9ce2fce

SHA512
e7eecd4699cea41fad6c44329c0df9dbd740f6f1a3cffa2dfb1365c7f692081d22b74717a2969fa7983203a85d7ce1c19030fecbd202888e848ad749d6218af3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\d566b313-d6f2-4377-ae39-33b2d0245699.tmp

Filesize
6KB

MD5
cb8f02088a7fd316c7b0eda2e31c2d23

SHA1
f542f38af9677345e6e07fa3fe08bb288c937654

SHA256
1b6fe2227b96c1ca9e465ef89d299e4168f25b8889ac2ff5bd9907d03ffe1bc2

SHA512
1f624641427bb33647511d8c56e13387089669ac63338ae7c7e79baaad13dbf83e0716704ec4c0caf619a76ce4952829195ddf88f4842e2d750b503a13691f5b

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT

Filesize
16B

MD5
6752a1d65b201c13b62ea44016eb221f

SHA1
58ecf154d01a62233ed7fb494ace3c3d4ffce08b

SHA256
0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd

SHA512
9cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State

Filesize
11KB

MD5
e99c177349e5c9d2e1261a7bacd239bb

SHA1
70806cf08f8944aebc9140f7400b8bd407982d9f

SHA256
94995920c3d749e7d49c54344bdc924ad64910a73b36310c31fb3a989a32f1c2

SHA512
57e937284d7203ed5ecb1b52494b23bb5bae6f79fd9ccf1618c5a7e6b6c7109424e46b5f94302338cc896f7b7d57fa331350fc7d33c72547845455277e5e0bb1

Download Submit