hxxps://mrodevicemgr[.]officeapps[.]live[.]com/mrodevicemgrsvc/api/v2/C2RReleaseData

Resubmissions

27/04/2024, 21:41

240427-1j3w3ahb46 1

27/04/2024, 21:40

240427-1jhwwshd8x 1

Analysis

max time kernel
28s
max time network
34s
platform
windows11-21h2_x64
resource
win11-20240419-en
resource tags

arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
submitted
27/04/2024, 21:41

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General

Target

https://mrodevicemgr.officeapps.live.com/mrodevicemgrsvc/api/v2/C2RReleaseData

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 8 IoCs

pid	Process
2912	msedge.exe
2912	msedge.exe
2224	msedge.exe
2224	msedge.exe
4780	identity_helper.exe
4780	identity_helper.exe
4984	msedge.exe
4984	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs

pid	Process
2224	msedge.exe
2224	msedge.exe
2224	msedge.exe
2224	msedge.exe
2224	msedge.exe
2224	msedge.exe
2224	msedge.exe

Suspicious use of FindShellTrayWindow 26 IoCs

pid	Process
2224	msedge.exe
2224	msedge.exe
2224	msedge.exe
2224	msedge.exe
2224	msedge.exe
2224	msedge.exe
2224	msedge.exe
2224	msedge.exe
2224	msedge.exe
2224	msedge.exe
2224	msedge.exe
2224	msedge.exe
2224	msedge.exe
2224	msedge.exe
2224	msedge.exe
2224	msedge.exe
2224	msedge.exe
2224	msedge.exe
2224	msedge.exe
2224	msedge.exe
2224	msedge.exe
2224	msedge.exe
2224	msedge.exe
2224	msedge.exe
2224	msedge.exe
2224	msedge.exe

Suspicious use of SendNotifyMessage 12 IoCs

pid	Process
2224	msedge.exe
2224	msedge.exe
2224	msedge.exe
2224	msedge.exe
2224	msedge.exe
2224	msedge.exe
2224	msedge.exe
2224	msedge.exe
2224	msedge.exe
2224	msedge.exe
2224	msedge.exe
2224	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2224 wrote to memory of 3680	2224	msedge.exe	79
PID 2224 wrote to memory of 3680	2224	msedge.exe	79
PID 2224 wrote to memory of 1772	2224	msedge.exe	80
PID 2224 wrote to memory of 1772	2224	msedge.exe	80
PID 2224 wrote to memory of 1772	2224	msedge.exe	80
PID 2224 wrote to memory of 1772	2224	msedge.exe	80
PID 2224 wrote to memory of 1772	2224	msedge.exe	80
PID 2224 wrote to memory of 1772	2224	msedge.exe	80
PID 2224 wrote to memory of 1772	2224	msedge.exe	80
PID 2224 wrote to memory of 1772	2224	msedge.exe	80
PID 2224 wrote to memory of 1772	2224	msedge.exe	80
PID 2224 wrote to memory of 1772	2224	msedge.exe	80
PID 2224 wrote to memory of 1772	2224	msedge.exe	80
PID 2224 wrote to memory of 1772	2224	msedge.exe	80
PID 2224 wrote to memory of 1772	2224	msedge.exe	80
PID 2224 wrote to memory of 1772	2224	msedge.exe	80
PID 2224 wrote to memory of 1772	2224	msedge.exe	80
PID 2224 wrote to memory of 1772	2224	msedge.exe	80
PID 2224 wrote to memory of 1772	2224	msedge.exe	80
PID 2224 wrote to memory of 1772	2224	msedge.exe	80
PID 2224 wrote to memory of 1772	2224	msedge.exe	80
PID 2224 wrote to memory of 1772	2224	msedge.exe	80
PID 2224 wrote to memory of 1772	2224	msedge.exe	80
PID 2224 wrote to memory of 1772	2224	msedge.exe	80
PID 2224 wrote to memory of 1772	2224	msedge.exe	80
PID 2224 wrote to memory of 1772	2224	msedge.exe	80
PID 2224 wrote to memory of 1772	2224	msedge.exe	80
PID 2224 wrote to memory of 1772	2224	msedge.exe	80
PID 2224 wrote to memory of 1772	2224	msedge.exe	80
PID 2224 wrote to memory of 1772	2224	msedge.exe	80
PID 2224 wrote to memory of 1772	2224	msedge.exe	80
PID 2224 wrote to memory of 1772	2224	msedge.exe	80
PID 2224 wrote to memory of 1772	2224	msedge.exe	80
PID 2224 wrote to memory of 1772	2224	msedge.exe	80
PID 2224 wrote to memory of 1772	2224	msedge.exe	80
PID 2224 wrote to memory of 1772	2224	msedge.exe	80
PID 2224 wrote to memory of 1772	2224	msedge.exe	80
PID 2224 wrote to memory of 1772	2224	msedge.exe	80
PID 2224 wrote to memory of 1772	2224	msedge.exe	80
PID 2224 wrote to memory of 1772	2224	msedge.exe	80
PID 2224 wrote to memory of 1772	2224	msedge.exe	80
PID 2224 wrote to memory of 1772	2224	msedge.exe	80
PID 2224 wrote to memory of 2912	2224	msedge.exe	81
PID 2224 wrote to memory of 2912	2224	msedge.exe	81
PID 2224 wrote to memory of 2296	2224	msedge.exe	82
PID 2224 wrote to memory of 2296	2224	msedge.exe	82
PID 2224 wrote to memory of 2296	2224	msedge.exe	82
PID 2224 wrote to memory of 2296	2224	msedge.exe	82
PID 2224 wrote to memory of 2296	2224	msedge.exe	82
PID 2224 wrote to memory of 2296	2224	msedge.exe	82
PID 2224 wrote to memory of 2296	2224	msedge.exe	82
PID 2224 wrote to memory of 2296	2224	msedge.exe	82
PID 2224 wrote to memory of 2296	2224	msedge.exe	82
PID 2224 wrote to memory of 2296	2224	msedge.exe	82
PID 2224 wrote to memory of 2296	2224	msedge.exe	82
PID 2224 wrote to memory of 2296	2224	msedge.exe	82
PID 2224 wrote to memory of 2296	2224	msedge.exe	82
PID 2224 wrote to memory of 2296	2224	msedge.exe	82
PID 2224 wrote to memory of 2296	2224	msedge.exe	82
PID 2224 wrote to memory of 2296	2224	msedge.exe	82
PID 2224 wrote to memory of 2296	2224	msedge.exe	82
PID 2224 wrote to memory of 2296	2224	msedge.exe	82
PID 2224 wrote to memory of 2296	2224	msedge.exe	82
PID 2224 wrote to memory of 2296	2224	msedge.exe	82

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://mrodevicemgr.officeapps.live.com/mrodevicemgrsvc/api/v2/C2RReleaseData
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:2224
- 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,0x7ffee7483cb8,0x7ffee7483cc8,0x7ffee7483cd8
  2⤵
  PID:3680
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1812,12648624131289235655,15511269715715663835,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1924 /prefetch:2
  2⤵
  PID:1772
- 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=1812,12648624131289235655,15511269715715663835,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2024 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2912
- 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=1812,12648624131289235655,15511269715715663835,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2636 /prefetch:8
  2⤵
  PID:2296
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1812,12648624131289235655,15511269715715663835,131072 --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=3332 /prefetch:1
  2⤵
  PID:2424
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1812,12648624131289235655,15511269715715663835,131072 --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=3460 /prefetch:1
  2⤵
  PID:3144
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1812,12648624131289235655,15511269715715663835,131072 --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=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4840 /prefetch:1
  2⤵
  PID:784
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1812,12648624131289235655,15511269715715663835,131072 --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=5104 /prefetch:1
  2⤵
  PID:232
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1812,12648624131289235655,15511269715715663835,131072 --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=4756 /prefetch:1
  2⤵
  PID:560
- 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=1812,12648624131289235655,15511269715715663835,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4904 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4780
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1812,12648624131289235655,15511269715715663835,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4628 /prefetch:1
  2⤵
  PID:4908
- 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=1812,12648624131289235655,15511269715715663835,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3808 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4984
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1812,12648624131289235655,15511269715715663835,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5100 /prefetch:1
  2⤵
  PID:1724

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3900

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1496

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
ade01a8cdbbf61f66497f88012a684d1

SHA1
9ff2e8985d9a101a77c85b37c4ac9d4df2525a1f

SHA256
f49e20af78caf0d737f6dbcfc5cc32701a35eb092b3f0ab24cf339604cb049b5

SHA512
fa024bd58e63402b06503679a396b8b4b1bc67dc041d473785957f56f7d972317ec8560827c8008989d2754b90e23fc984a85ed7496f05cb4edc2d8000ae622b

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

Filesize
152B

MD5
d0f84c55517d34a91f12cccf1d3af583

SHA1
52bd01e6ab1037d31106f8bf6e2552617c201cea

SHA256
9a24c67c3ec89f5cf8810eba1fdefc7775044c71ed78a8eb51c8d2225ad1bc4c

SHA512
94764fe7f6d8c182beec398fa8c3a1948d706ab63121b8c9f933eef50172c506a1fd015172b7b6bac898ecbfd33e00a4a0758b1c8f2f4534794c39f076cd6171

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

Filesize
5KB

MD5
85ad9c3de2be7ecec6aac9e7c214368f

SHA1
a76f685841e83ce2071d5762f82a5a3dc8b67cf1

SHA256
c9c70aa98d3d7f7461f3ec2e3e0bd2d48ed8573265cc21fad70647dafbd7120a

SHA512
8c88581d4941d6ff87e380c7b2313046a1a8d9eb377dbe5cb7626cfb7403cb8f01770a804e55a3a5318159ddf473ea14e29bf79dc330e3e26e1c543612e44c80

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

Filesize
5KB

MD5
1e9c6d32cf7dd6e8fa64d910eeaa9684

SHA1
1f54d646dad6ad991014dc27a68ffe5f0cc2cca8

SHA256
45ffcd41bbe4675c8959f89f4c3266054c0125b7d07006c9c6e072860064a413

SHA512
56aa38260b0863f881db9a07ad0c2e4ce5251b054ca065452bc9402199d3e28173a6f4cf878e568ba682b9f81cfe727a1f561376e40d86cf6c18fa47a1d23673

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

Filesize
16B

MD5
46295cac801e5d4857d09837238a6394

SHA1
44e0fa1b517dbf802b18faf0785eeea6ac51594b

SHA256
0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443

SHA512
8969402593f927350e2ceb4b5bc2a277f3754697c1961e3d6237da322257fbab42909e1a742e22223447f3a4805f8d8ef525432a7c3515a549e984d3eff72b23

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

Filesize
16B

MD5
206702161f94c5cd39fadd03f4014d98

SHA1
bd8bfc144fb5326d21bd1531523d9fb50e1b600a

SHA256
1005a525006f148c86efcbfb36c6eac091b311532448010f70f7de9a68007167

SHA512
0af09f26941b11991c750d1a2b525c39a8970900e98cba96fd1b55dbf93fee79e18b8aab258f48b4f7bda40d059629bc7770d84371235cdb1352a4f17f80e145

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

Filesize
8KB

MD5
7af6fbdba5c1553ddebf2bbee649a6c6

SHA1
0cea0a8213317dedce7586bd4b6ee418cece03b6

SHA256
022c497c2f3a9d07729e3660b9ea9706e57ffe07ba6ff49fc2465ee07b5b83a4

SHA512
1d052a23cd2f100faccd51c25a305cbb82fc388f4cb79051e38b88b7e333b20578daf84bb1a0c99ab40f803fda7843a39fd1795eed8c506b6c86bc91385d6f0f

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

Filesize
8KB

MD5
388e8427a9086dbec17d61602c36ea07

SHA1
387d81daa71f9bdadbe15f34ab3294430530005c

SHA256
7c04ad3bcbf82cc4da7fac282b4ff09b9da4a78f03d56518ed710cb9e21072d5

SHA512
8d68a37f6ca09965304568be229fc4f32f98159d9de6b4451326fffa4f3a2bb7a9c2f9eed775441f2f6cdea2d7d7d5ed908c7309d8dbe8567bf9e8b70d4a1cae

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

Filesize
8KB

MD5
b0c058499ea7c5eb449b21173fc46604

SHA1
c83b1b5eef2d94992a10e5566b37bba7bff477e2

SHA256
15a02b2c449ea0bb0e443ff5d291ecb4f96cb93833f914c7eb3fcc477f722ebe

SHA512
c27e985fd4ec799def5af3f318e161db21bd2ce5d792f7b9bf2165f9bd8f8f91619d495c43a4661a1cc6e6632eb13835d866661cc36952a672a5149861c361ed

Download Submit