hxxps://sourceforge[.]net/projects/ext2read/files/latest/download

Analysis

max time kernel
39s
max time network
38s
platform
windows11-21h2_x64
resource
win11-20240508-en
resource tags

arch:x64arch:x86image:win11-20240508-enlocale:en-usos:windows11-21h2-x64system
submitted
06/06/2024, 11:01

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General

Target

https://sourceforge.net/projects/ext2read/files/latest/download

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

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3001105534-2705918504-2956618779-1000_Classes\Local Settings	msedge.exe

NTFS ADS 1 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\Downloads\ext2explore-2.2.71.zip:Zone.Identifier	msedge.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
2208	msedge.exe
2208	msedge.exe
1088	msedge.exe
1088	msedge.exe
1176	identity_helper.exe
1176	identity_helper.exe
2764	msedge.exe
2764	msedge.exe
4264	msedge.exe
4264	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 5 IoCs

pid	Process
1088	msedge.exe
1088	msedge.exe
1088	msedge.exe
1088	msedge.exe
1088	msedge.exe

Suspicious use of FindShellTrayWindow 36 IoCs

pid	Process
1088	msedge.exe
1088	msedge.exe
1088	msedge.exe
1088	msedge.exe
1088	msedge.exe
1088	msedge.exe
1088	msedge.exe
1088	msedge.exe
1088	msedge.exe
1088	msedge.exe
1088	msedge.exe
1088	msedge.exe
1088	msedge.exe
1088	msedge.exe
1088	msedge.exe
1088	msedge.exe
1088	msedge.exe
1088	msedge.exe
1088	msedge.exe
1088	msedge.exe
1088	msedge.exe
1088	msedge.exe
1088	msedge.exe
1088	msedge.exe
1088	msedge.exe
1088	msedge.exe
1088	msedge.exe
1088	msedge.exe
1088	msedge.exe
1088	msedge.exe
1088	msedge.exe
1088	msedge.exe
1088	msedge.exe
1088	msedge.exe
1088	msedge.exe
1088	msedge.exe

Suspicious use of SendNotifyMessage 12 IoCs

pid	Process
1088	msedge.exe
1088	msedge.exe
1088	msedge.exe
1088	msedge.exe
1088	msedge.exe
1088	msedge.exe
1088	msedge.exe
1088	msedge.exe
1088	msedge.exe
1088	msedge.exe
1088	msedge.exe
1088	msedge.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4700	ext2explore.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1088 wrote to memory of 4392	1088	msedge.exe	79
PID 1088 wrote to memory of 4392	1088	msedge.exe	79
PID 1088 wrote to memory of 1952	1088	msedge.exe	81
PID 1088 wrote to memory of 1952	1088	msedge.exe	81
PID 1088 wrote to memory of 1952	1088	msedge.exe	81
PID 1088 wrote to memory of 1952	1088	msedge.exe	81
PID 1088 wrote to memory of 1952	1088	msedge.exe	81
PID 1088 wrote to memory of 1952	1088	msedge.exe	81
PID 1088 wrote to memory of 1952	1088	msedge.exe	81
PID 1088 wrote to memory of 1952	1088	msedge.exe	81
PID 1088 wrote to memory of 1952	1088	msedge.exe	81
PID 1088 wrote to memory of 1952	1088	msedge.exe	81
PID 1088 wrote to memory of 1952	1088	msedge.exe	81
PID 1088 wrote to memory of 1952	1088	msedge.exe	81
PID 1088 wrote to memory of 1952	1088	msedge.exe	81
PID 1088 wrote to memory of 1952	1088	msedge.exe	81
PID 1088 wrote to memory of 1952	1088	msedge.exe	81
PID 1088 wrote to memory of 1952	1088	msedge.exe	81
PID 1088 wrote to memory of 1952	1088	msedge.exe	81
PID 1088 wrote to memory of 1952	1088	msedge.exe	81
PID 1088 wrote to memory of 1952	1088	msedge.exe	81
PID 1088 wrote to memory of 1952	1088	msedge.exe	81
PID 1088 wrote to memory of 1952	1088	msedge.exe	81
PID 1088 wrote to memory of 1952	1088	msedge.exe	81
PID 1088 wrote to memory of 1952	1088	msedge.exe	81
PID 1088 wrote to memory of 1952	1088	msedge.exe	81
PID 1088 wrote to memory of 1952	1088	msedge.exe	81
PID 1088 wrote to memory of 1952	1088	msedge.exe	81
PID 1088 wrote to memory of 1952	1088	msedge.exe	81
PID 1088 wrote to memory of 1952	1088	msedge.exe	81
PID 1088 wrote to memory of 1952	1088	msedge.exe	81
PID 1088 wrote to memory of 1952	1088	msedge.exe	81
PID 1088 wrote to memory of 1952	1088	msedge.exe	81
PID 1088 wrote to memory of 1952	1088	msedge.exe	81
PID 1088 wrote to memory of 1952	1088	msedge.exe	81
PID 1088 wrote to memory of 1952	1088	msedge.exe	81
PID 1088 wrote to memory of 1952	1088	msedge.exe	81
PID 1088 wrote to memory of 1952	1088	msedge.exe	81
PID 1088 wrote to memory of 1952	1088	msedge.exe	81
PID 1088 wrote to memory of 1952	1088	msedge.exe	81
PID 1088 wrote to memory of 1952	1088	msedge.exe	81
PID 1088 wrote to memory of 1952	1088	msedge.exe	81
PID 1088 wrote to memory of 2208	1088	msedge.exe	82
PID 1088 wrote to memory of 2208	1088	msedge.exe	82
PID 1088 wrote to memory of 4548	1088	msedge.exe	83
PID 1088 wrote to memory of 4548	1088	msedge.exe	83
PID 1088 wrote to memory of 4548	1088	msedge.exe	83
PID 1088 wrote to memory of 4548	1088	msedge.exe	83
PID 1088 wrote to memory of 4548	1088	msedge.exe	83
PID 1088 wrote to memory of 4548	1088	msedge.exe	83
PID 1088 wrote to memory of 4548	1088	msedge.exe	83
PID 1088 wrote to memory of 4548	1088	msedge.exe	83
PID 1088 wrote to memory of 4548	1088	msedge.exe	83
PID 1088 wrote to memory of 4548	1088	msedge.exe	83
PID 1088 wrote to memory of 4548	1088	msedge.exe	83
PID 1088 wrote to memory of 4548	1088	msedge.exe	83
PID 1088 wrote to memory of 4548	1088	msedge.exe	83
PID 1088 wrote to memory of 4548	1088	msedge.exe	83
PID 1088 wrote to memory of 4548	1088	msedge.exe	83
PID 1088 wrote to memory of 4548	1088	msedge.exe	83
PID 1088 wrote to memory of 4548	1088	msedge.exe	83
PID 1088 wrote to memory of 4548	1088	msedge.exe	83
PID 1088 wrote to memory of 4548	1088	msedge.exe	83
PID 1088 wrote to memory of 4548	1088	msedge.exe	83

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://sourceforge.net/projects/ext2read/files/latest/download
1⤵
- Enumerates system info in registry
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1088
- 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=90.0.4430.212 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=90.0.818.66 --initial-client-data=0x100,0x104,0x108,0xdc,0x10c,0x7ff95b673cb8,0x7ff95b673cc8,0x7ff95b673cd8
  2⤵
  PID:4392
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1700,11786041418307173914,13856433794764118083,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1884 /prefetch:2
  2⤵
  PID:1952
- 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=1700,11786041418307173914,13856433794764118083,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2180 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2208
- 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=1700,11786041418307173914,13856433794764118083,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2616 /prefetch:8
  2⤵
  PID:4548
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1700,11786041418307173914,13856433794764118083,131072 --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=3252 /prefetch:1
  2⤵
  PID:972
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1700,11786041418307173914,13856433794764118083,131072 --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=3260 /prefetch:1
  2⤵
  PID:4792
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1700,11786041418307173914,13856433794764118083,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5008 /prefetch:1
  2⤵
  PID:4840
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1700,11786041418307173914,13856433794764118083,131072 --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=4956 /prefetch:1
  2⤵
  PID:2424
- C:\Program Files (x86)\Microsoft\Edge\Application\90.0.818.66\identity_helper.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\90.0.818.66\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=1700,11786041418307173914,13856433794764118083,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6028 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1176
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1700,11786041418307173914,13856433794764118083,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5720 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2764
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1700,11786041418307173914,13856433794764118083,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5752 /prefetch:1
  2⤵
  PID:4644
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --field-trial-handle=1700,11786041418307173914,13856433794764118083,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5448 /prefetch:8
  2⤵
  - NTFS ADS
  - Suspicious behavior: EnumeratesProcesses
  PID:4264

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2376

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2820

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:2596

C:\Users\Admin\Downloads\ext2explore-2.2.71\ext2explore.exe
"C:\Users\Admin\Downloads\ext2explore-2.2.71\ext2explore.exe"
1⤵
- Suspicious use of SetWindowsHookEx
PID:4700

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
390187670cb1e0eb022f4f7735263e82

SHA1
ea1401ccf6bf54e688a0dc9e6946eae7353b26f1

SHA256
3e6c56356d6509a3fd4b2403555be55e251f4a962379b29735c1203e57230947

SHA512
602f64d74096d4fb7a23b23374603246d42b17cc854835e3b2f4d464997b73f289a3b40eb690e3ee707829d4ff886865e982f72155d96be6bc00166f44878062

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

Filesize
152B

MD5
8294f1821fd3419c0a42b389d19ecfc6

SHA1
cd4982751377c2904a1d3c58e801fa013ea27533

SHA256
92a96c9309023c8b9e1396ff41f7d9d3ff8a3687972e76b9ebd70b04e3bf223a

SHA512
372d369f7ad1b0e07200d3aa6b2cfce5beafa7a97f63932d4c9b3b01a0e8b7eb39881867f87ded55a9973abea973b2d2c9b6fc4892f81cec644702b9edb1566d

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

Filesize
456B

MD5
81614832778f61987dcc233d803bbfa7

SHA1
3333534f0621c2146d178ea8f536184bdf459d53

SHA256
6419c32028c32e35ff0f168555bb2f88f612c117af6791cf7bc9655ca69657cd

SHA512
022806a23d5faeadc1acbe038b20f9a43c26442d26387dbab22a1500d7d29fd4c3529ca94b4cc4f136476cfda7f5347feb7af8726a80949198d418c93c3cc3c6

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

Filesize
1KB

MD5
0ff067898b78186f929ed17e0d9535ce

SHA1
0cf59f5542b317988286ea816adcce1c743a35b4

SHA256
683ae606dd03723ab8be8cc6986814b26719bef86bf95e0ed40b89f2b26395cf

SHA512
168dcc5a1e0b8162169755beb19dd1eed3ee3d193aaff5c22e0a3016a96a1a5846482d55318181f2ec7fb76fb6ad8eb542aedfed62c931e374374b6402f45ee6

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

Filesize
5KB

MD5
f47533ad189e6f4e8eae59990fae3d2a

SHA1
66c287e17fbb406c00ffd3d55a99f8512c1ecfd6

SHA256
a62e4549df88d2ffb406b1ea17e27c8d50a7c88e132e5c05446428a9f3a40eaa

SHA512
562fbb25184d336b536d4837f26b28bc165569356a3fc7b32e864b71832d00ade9ae687bd2b1ea8374c5bec66be5ca6c79c3d32460337cee6deca8462d9d6e8a

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

Filesize
6KB

MD5
0785e46615457d6b592b5edce0e5a05e

SHA1
6199ab45436fbf52a19a484b6e35fa629e35efc1

SHA256
c9d56a44884629e2806c882249af156e619e2023435b48f312043bd0437446c9

SHA512
c9ebf161d8eda66b5b8063e6717fc9532fe0400805d9b366a70641e65036b9d5d9dc81be53a6a3c837442ec418879aa21ab97bd0b92493ab3c14885e64d67525

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

Filesize
6KB

MD5
aeb143bdb6f2d361a24bcb18d2718ef5

SHA1
870f25c3ef08a1cd3785e92b03e05951c5bb6cbb

SHA256
b4b86a2ed7141733456020ded602113394cae2062a52a5905baa420e28ce4a74

SHA512
5ca1d17283260c373ad053324e465316594dbbaf084c3550f3143da08b70bf80bdd7667270c4002de6a9eed81aa0441501cea2fba439a6e95b57b91186944a5c

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
7893b06b4fa43c7d23357d0466d3cbbc

SHA1
d99d8b9246084787fe57e45a382b0cfe4db10c02

SHA256
a10e1851d972d09e84db1dd6f4a36ebf6a3061362eb629312e6bace1fd9d19ce

SHA512
dec0dfb28767ca71e0f8e893ea2cb06bdb7ff4ff2a714eb8d6dd0d5c0955d0695fcdfa79f547de2a2d2afe159c80c301f53530df2c2ee7f0ac5461f62238fe45

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

Filesize
11KB

MD5
95814fa3df0ff652a390aa95e44e8806

SHA1
1aa4d0212e3855c20ba45cf06f34c53fc1a00c15

SHA256
b254d55fd98356723e19f2d6adac85095fe2a3c77e3360cf785b8d70dea316e1

SHA512
1e9842a314c1639edc0f91f78b1b2553a56525a847a48dd38985f90ae2489a809a5632ba5a0ee93b08fe9559120b29e3e7e2d3cba95f903d5ccd080b5f9400f6

Download Submit
C:\Users\Admin\Downloads\Unconfirmed 280184.crdownload

Filesize
3.6MB

MD5
727204919f92766b733f519dbf28c01b

SHA1
de8844014cd6d17edfbab0d0fa55743959f85747

SHA256
6b2d7b7293c0b605b6d9276605b1efb52ca11a570894568d1e527cf2021d1241

SHA512
e9b76fae081e0cb8b0c4b878815c0b848c1c031f7d78b24f7911061a78f7580172a45f5c98a9e669d2c47d2142c28fea573bb6fc539e9de0725b0b5343b67bef

Download Submit
C:\Users\Admin\Downloads\ext2explore-2.2.71.zip:Zone.Identifier

Filesize
26B

MD5
fbccf14d504b7b2dbcb5a5bda75bd93b

SHA1
d59fc84cdd5217c6cf74785703655f78da6b582b

SHA256
eacd09517ce90d34ba562171d15ac40d302f0e691b439f91be1b6406e25f5913

SHA512
aa1d2b1ea3c9de3ccadb319d4e3e3276a2f27dd1a5244fe72de2b6f94083dddc762480482c5c2e53f803cd9e3973ddefc68966f974e124307b5043e654443b98

Download Submit