hxxp://sos[.]vivi[.]sg/oto

Analysis

max time kernel
145s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
29-01-2024 05:47

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General

Target

http://sos.vivi.sg/oto

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
4028	msedge.exe
4028	msedge.exe
3544	msedge.exe
3544	msedge.exe
3932	identity_helper.exe
3932	identity_helper.exe
2764	msedge.exe
2764	msedge.exe
2764	msedge.exe
2764	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs

pid	Process
3544	msedge.exe
3544	msedge.exe
3544	msedge.exe
3544	msedge.exe
3544	msedge.exe
3544	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
3544	msedge.exe
3544	msedge.exe
3544	msedge.exe
3544	msedge.exe
3544	msedge.exe
3544	msedge.exe
3544	msedge.exe
3544	msedge.exe
3544	msedge.exe
3544	msedge.exe
3544	msedge.exe
3544	msedge.exe
3544	msedge.exe
3544	msedge.exe
3544	msedge.exe
3544	msedge.exe
3544	msedge.exe
3544	msedge.exe
3544	msedge.exe
3544	msedge.exe
3544	msedge.exe
3544	msedge.exe
3544	msedge.exe
3544	msedge.exe
3544	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
3544	msedge.exe
3544	msedge.exe
3544	msedge.exe
3544	msedge.exe
3544	msedge.exe
3544	msedge.exe
3544	msedge.exe
3544	msedge.exe
3544	msedge.exe
3544	msedge.exe
3544	msedge.exe
3544	msedge.exe
3544	msedge.exe
3544	msedge.exe
3544	msedge.exe
3544	msedge.exe
3544	msedge.exe
3544	msedge.exe
3544	msedge.exe
3544	msedge.exe
3544	msedge.exe
3544	msedge.exe
3544	msedge.exe
3544	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3544 wrote to memory of 2184	3544	msedge.exe	85
PID 3544 wrote to memory of 2184	3544	msedge.exe	85
PID 3544 wrote to memory of 2352	3544	msedge.exe	87
PID 3544 wrote to memory of 2352	3544	msedge.exe	87
PID 3544 wrote to memory of 2352	3544	msedge.exe	87
PID 3544 wrote to memory of 2352	3544	msedge.exe	87
PID 3544 wrote to memory of 2352	3544	msedge.exe	87
PID 3544 wrote to memory of 2352	3544	msedge.exe	87
PID 3544 wrote to memory of 2352	3544	msedge.exe	87
PID 3544 wrote to memory of 2352	3544	msedge.exe	87
PID 3544 wrote to memory of 2352	3544	msedge.exe	87
PID 3544 wrote to memory of 2352	3544	msedge.exe	87
PID 3544 wrote to memory of 2352	3544	msedge.exe	87
PID 3544 wrote to memory of 2352	3544	msedge.exe	87
PID 3544 wrote to memory of 2352	3544	msedge.exe	87
PID 3544 wrote to memory of 2352	3544	msedge.exe	87
PID 3544 wrote to memory of 2352	3544	msedge.exe	87
PID 3544 wrote to memory of 2352	3544	msedge.exe	87
PID 3544 wrote to memory of 2352	3544	msedge.exe	87
PID 3544 wrote to memory of 2352	3544	msedge.exe	87
PID 3544 wrote to memory of 2352	3544	msedge.exe	87
PID 3544 wrote to memory of 2352	3544	msedge.exe	87
PID 3544 wrote to memory of 2352	3544	msedge.exe	87
PID 3544 wrote to memory of 2352	3544	msedge.exe	87
PID 3544 wrote to memory of 2352	3544	msedge.exe	87
PID 3544 wrote to memory of 2352	3544	msedge.exe	87
PID 3544 wrote to memory of 2352	3544	msedge.exe	87
PID 3544 wrote to memory of 2352	3544	msedge.exe	87
PID 3544 wrote to memory of 2352	3544	msedge.exe	87
PID 3544 wrote to memory of 2352	3544	msedge.exe	87
PID 3544 wrote to memory of 2352	3544	msedge.exe	87
PID 3544 wrote to memory of 2352	3544	msedge.exe	87
PID 3544 wrote to memory of 2352	3544	msedge.exe	87
PID 3544 wrote to memory of 2352	3544	msedge.exe	87
PID 3544 wrote to memory of 2352	3544	msedge.exe	87
PID 3544 wrote to memory of 2352	3544	msedge.exe	87
PID 3544 wrote to memory of 2352	3544	msedge.exe	87
PID 3544 wrote to memory of 2352	3544	msedge.exe	87
PID 3544 wrote to memory of 2352	3544	msedge.exe	87
PID 3544 wrote to memory of 2352	3544	msedge.exe	87
PID 3544 wrote to memory of 2352	3544	msedge.exe	87
PID 3544 wrote to memory of 2352	3544	msedge.exe	87
PID 3544 wrote to memory of 4028	3544	msedge.exe	86
PID 3544 wrote to memory of 4028	3544	msedge.exe	86
PID 3544 wrote to memory of 452	3544	msedge.exe	88
PID 3544 wrote to memory of 452	3544	msedge.exe	88
PID 3544 wrote to memory of 452	3544	msedge.exe	88
PID 3544 wrote to memory of 452	3544	msedge.exe	88
PID 3544 wrote to memory of 452	3544	msedge.exe	88
PID 3544 wrote to memory of 452	3544	msedge.exe	88
PID 3544 wrote to memory of 452	3544	msedge.exe	88
PID 3544 wrote to memory of 452	3544	msedge.exe	88
PID 3544 wrote to memory of 452	3544	msedge.exe	88
PID 3544 wrote to memory of 452	3544	msedge.exe	88
PID 3544 wrote to memory of 452	3544	msedge.exe	88
PID 3544 wrote to memory of 452	3544	msedge.exe	88
PID 3544 wrote to memory of 452	3544	msedge.exe	88
PID 3544 wrote to memory of 452	3544	msedge.exe	88
PID 3544 wrote to memory of 452	3544	msedge.exe	88
PID 3544 wrote to memory of 452	3544	msedge.exe	88
PID 3544 wrote to memory of 452	3544	msedge.exe	88
PID 3544 wrote to memory of 452	3544	msedge.exe	88
PID 3544 wrote to memory of 452	3544	msedge.exe	88
PID 3544 wrote to memory of 452	3544	msedge.exe	88

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://sos.vivi.sg/oto
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:3544
- 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=0xfc,0x100,0x104,0xd8,0x108,0x7ffea8d446f8,0x7ffea8d44708,0x7ffea8d44718
  2⤵
  PID:2184
- 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=2112,4643099170270792269,13399620697395092121,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2248 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4028
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2112,4643099170270792269,13399620697395092121,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2116 /prefetch:2
  2⤵
  PID:2352
- 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=2112,4643099170270792269,13399620697395092121,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2856 /prefetch:8
  2⤵
  PID:452
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,4643099170270792269,13399620697395092121,131072 --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=3220 /prefetch:1
  2⤵
  PID:3700
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,4643099170270792269,13399620697395092121,131072 --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=3176 /prefetch:1
  2⤵
  PID:4912
- 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=2112,4643099170270792269,13399620697395092121,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4928 /prefetch:8
  2⤵
  PID:3900
- 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=2112,4643099170270792269,13399620697395092121,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4928 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3932
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,4643099170270792269,13399620697395092121,131072 --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=5216 /prefetch:1
  2⤵
  PID:4940
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,4643099170270792269,13399620697395092121,131072 --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=5168 /prefetch:1
  2⤵
  PID:2116
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,4643099170270792269,13399620697395092121,131072 --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=5640 /prefetch:1
  2⤵
  PID:1016
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,4643099170270792269,13399620697395092121,131072 --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=5688 /prefetch:1
  2⤵
  PID:3444
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2112,4643099170270792269,13399620697395092121,131072 --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=5128 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2764

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2624

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:828

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
1386433ecc349475d39fb1e4f9e149a0

SHA1
f04f71ac77cb30f1d04fd16d42852322a8b2680f

SHA256
a7c79320a37d3516823f533e0ca73ed54fc4cdade9999b9827d06ea9f8916bbc

SHA512
fcd5449c58ead25955d01739929c42ffc89b9007bc2c8779c05271f2d053be66e05414c410738c35572ef31811aff908e7fe3dd7a9cef33c27acb308a420280e

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\Preferences

Filesize
5KB

MD5
7cdfa74c45e413652df3a46096bc2744

SHA1
21a65ba61dc9d5b3b66512000e8bc0fab4006ed6

SHA256
d4d3f041431d26ad6e81c061d26f5110faac8a25b2c2beaf60ee805d3d97c28c

SHA512
88c5daeaf4d0e2d1481de1bc1412957acb42306cd6321a2d3319a01b06349dfb89da898b619f499006127bc1bb3f46c51d05b187320abb271be0c47bc45d7aeb

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

Filesize
5KB

MD5
6a3dbe675bdb3b0627b4b77a15af4451

SHA1
ac126febf770aef2e490207b82cc093e118c478c

SHA256
5584b83dd6bab7199ba5c913f7e82800f1ced845aa56a907c1552680e3bc8f32

SHA512
1e92f1731d8dba243949b36d7644365dcf4d68b71cee5b48dfe450d51a0f1126760e7d47c43f530dce2f7127f406ea7d82912522307a0e43a76b0b01f20568d5

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

Filesize
24KB

MD5
e664066e3aa135f185ed1c194b9fa1f8

SHA1
358ff3c6ad0580b8ae1e5ef2a89a4e597c2efdc5

SHA256
86e595be48dbc768a52d7ea62116036c024093e1302aced8c29dd6a2d9935617

SHA512
58710818b5f664006a5aa418da6c8cd3f709c2265bc161f81b9dfe6cdb8304fabaa4ce9deba419fe4281623feeeaa0321f481ae5855d347c6d8cf95968ee905e

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
10KB

MD5
31d8de9ce5c4115304a5357742612759

SHA1
9d5fb1a16bcfe59b39a9aa049a6b69a86347e7fc

SHA256
61d022ae107f53d91c0d40def7781206e52d4eedac1434075b0110b6e791ae5a

SHA512
f6963465c4f22baaf1b41764b56239b321d6b42c6bc8563b3a2f668586185d05e693d0e1ad507ccab11d0baa47f7a95932416fa0e68caaa886e09469a9dbdcd2

Download Submit