hxxp://gumgum[.]com

Analysis

max time kernel
145s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
22/07/2024, 11:44

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General

Target

http://gumgum.com

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
4640	msedge.exe
4640	msedge.exe
896	msedge.exe
896	msedge.exe
5200	identity_helper.exe
5200	identity_helper.exe
4880	msedge.exe
4880	msedge.exe
4880	msedge.exe
4880	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 8 IoCs

pid	Process
896	msedge.exe
896	msedge.exe
896	msedge.exe
896	msedge.exe
896	msedge.exe
896	msedge.exe
896	msedge.exe
896	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
896	msedge.exe
896	msedge.exe
896	msedge.exe
896	msedge.exe
896	msedge.exe
896	msedge.exe
896	msedge.exe
896	msedge.exe
896	msedge.exe
896	msedge.exe
896	msedge.exe
896	msedge.exe
896	msedge.exe
896	msedge.exe
896	msedge.exe
896	msedge.exe
896	msedge.exe
896	msedge.exe
896	msedge.exe
896	msedge.exe
896	msedge.exe
896	msedge.exe
896	msedge.exe
896	msedge.exe
896	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
896	msedge.exe
896	msedge.exe
896	msedge.exe
896	msedge.exe
896	msedge.exe
896	msedge.exe
896	msedge.exe
896	msedge.exe
896	msedge.exe
896	msedge.exe
896	msedge.exe
896	msedge.exe
896	msedge.exe
896	msedge.exe
896	msedge.exe
896	msedge.exe
896	msedge.exe
896	msedge.exe
896	msedge.exe
896	msedge.exe
896	msedge.exe
896	msedge.exe
896	msedge.exe
896	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 896 wrote to memory of 3860	896	msedge.exe	84
PID 896 wrote to memory of 3860	896	msedge.exe	84
PID 896 wrote to memory of 5052	896	msedge.exe	85
PID 896 wrote to memory of 5052	896	msedge.exe	85
PID 896 wrote to memory of 5052	896	msedge.exe	85
PID 896 wrote to memory of 5052	896	msedge.exe	85
PID 896 wrote to memory of 5052	896	msedge.exe	85
PID 896 wrote to memory of 5052	896	msedge.exe	85
PID 896 wrote to memory of 5052	896	msedge.exe	85
PID 896 wrote to memory of 5052	896	msedge.exe	85
PID 896 wrote to memory of 5052	896	msedge.exe	85
PID 896 wrote to memory of 5052	896	msedge.exe	85
PID 896 wrote to memory of 5052	896	msedge.exe	85
PID 896 wrote to memory of 5052	896	msedge.exe	85
PID 896 wrote to memory of 5052	896	msedge.exe	85
PID 896 wrote to memory of 5052	896	msedge.exe	85
PID 896 wrote to memory of 5052	896	msedge.exe	85
PID 896 wrote to memory of 5052	896	msedge.exe	85
PID 896 wrote to memory of 5052	896	msedge.exe	85
PID 896 wrote to memory of 5052	896	msedge.exe	85
PID 896 wrote to memory of 5052	896	msedge.exe	85
PID 896 wrote to memory of 5052	896	msedge.exe	85
PID 896 wrote to memory of 5052	896	msedge.exe	85
PID 896 wrote to memory of 5052	896	msedge.exe	85
PID 896 wrote to memory of 5052	896	msedge.exe	85
PID 896 wrote to memory of 5052	896	msedge.exe	85
PID 896 wrote to memory of 5052	896	msedge.exe	85
PID 896 wrote to memory of 5052	896	msedge.exe	85
PID 896 wrote to memory of 5052	896	msedge.exe	85
PID 896 wrote to memory of 5052	896	msedge.exe	85
PID 896 wrote to memory of 5052	896	msedge.exe	85
PID 896 wrote to memory of 5052	896	msedge.exe	85
PID 896 wrote to memory of 5052	896	msedge.exe	85
PID 896 wrote to memory of 5052	896	msedge.exe	85
PID 896 wrote to memory of 5052	896	msedge.exe	85
PID 896 wrote to memory of 5052	896	msedge.exe	85
PID 896 wrote to memory of 5052	896	msedge.exe	85
PID 896 wrote to memory of 5052	896	msedge.exe	85
PID 896 wrote to memory of 5052	896	msedge.exe	85
PID 896 wrote to memory of 5052	896	msedge.exe	85
PID 896 wrote to memory of 5052	896	msedge.exe	85
PID 896 wrote to memory of 5052	896	msedge.exe	85
PID 896 wrote to memory of 4640	896	msedge.exe	86
PID 896 wrote to memory of 4640	896	msedge.exe	86
PID 896 wrote to memory of 4424	896	msedge.exe	87
PID 896 wrote to memory of 4424	896	msedge.exe	87
PID 896 wrote to memory of 4424	896	msedge.exe	87
PID 896 wrote to memory of 4424	896	msedge.exe	87
PID 896 wrote to memory of 4424	896	msedge.exe	87
PID 896 wrote to memory of 4424	896	msedge.exe	87
PID 896 wrote to memory of 4424	896	msedge.exe	87
PID 896 wrote to memory of 4424	896	msedge.exe	87
PID 896 wrote to memory of 4424	896	msedge.exe	87
PID 896 wrote to memory of 4424	896	msedge.exe	87
PID 896 wrote to memory of 4424	896	msedge.exe	87
PID 896 wrote to memory of 4424	896	msedge.exe	87
PID 896 wrote to memory of 4424	896	msedge.exe	87
PID 896 wrote to memory of 4424	896	msedge.exe	87
PID 896 wrote to memory of 4424	896	msedge.exe	87
PID 896 wrote to memory of 4424	896	msedge.exe	87
PID 896 wrote to memory of 4424	896	msedge.exe	87
PID 896 wrote to memory of 4424	896	msedge.exe	87
PID 896 wrote to memory of 4424	896	msedge.exe	87
PID 896 wrote to memory of 4424	896	msedge.exe	87

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://gumgum.com
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:896
- 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,0x100,0x104,0xd8,0x108,0x7ffff27646f8,0x7ffff2764708,0x7ffff2764718
  2⤵
  PID:3860
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1924,8450079030991400677,13999935691857306560,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2008 /prefetch:2
  2⤵
  PID:5052
- 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=1924,8450079030991400677,13999935691857306560,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2392 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4640
- 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=1924,8450079030991400677,13999935691857306560,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2856 /prefetch:8
  2⤵
  PID:4424
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1924,8450079030991400677,13999935691857306560,131072 --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=3224 /prefetch:1
  2⤵
  PID:1164
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1924,8450079030991400677,13999935691857306560,131072 --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=3236 /prefetch:1
  2⤵
  PID:2140
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1924,8450079030991400677,13999935691857306560,131072 --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=4912 /prefetch:1
  2⤵
  PID:2184
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1924,8450079030991400677,13999935691857306560,131072 --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=5148 /prefetch:1
  2⤵
  PID:4616
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1924,8450079030991400677,13999935691857306560,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5768 /prefetch:1
  2⤵
  PID:772
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1924,8450079030991400677,13999935691857306560,131072 --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=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5800 /prefetch:1
  2⤵
  PID:4348
- 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=1924,8450079030991400677,13999935691857306560,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6236 /prefetch:8
  2⤵
  PID:4340
- 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=1924,8450079030991400677,13999935691857306560,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6236 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:5200
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1924,8450079030991400677,13999935691857306560,131072 --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=6256 /prefetch:1
  2⤵
  PID:5228
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1924,8450079030991400677,13999935691857306560,131072 --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=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5400 /prefetch:1
  2⤵
  PID:5236
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1924,8450079030991400677,13999935691857306560,131072 --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=5308 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4880

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1940

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4768

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
1f9d180c0bcf71b48e7bc8302f85c28f

SHA1
ade94a8e51c446383dc0a45edf5aad5fa20edf3c

SHA256
a17d56c41d524453a78e3f06e0d0b0081e79d090a4b75d0b693ddbc39f6f7fdc

SHA512
282863df0e51288049587886ed37ad1cf5b6bfeed86454ea3b9f2bb7f0a1c591f3540c62712ebfcd6f1095e1977446dd5b13b904bb52b6d5c910a1efc208c785

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

Filesize
152B

MD5
60ead4145eb78b972baf6c6270ae6d72

SHA1
e71f4507bea5b518d9ee9fb2d523c5a11adea842

SHA256
b9e99e7387a915275e8fe4ac0b0c0cd330b4632814d5c9c446beb2755f1309a7

SHA512
8cdbafd2783048f5f54f22e13f6ef890936d5b986b0bb3fa86d2420a5bfecf7bedc56f46e6d5f126eae79f492315843c134c441084b912296e269f384a73ccde

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Cache\f_000016

Filesize
211KB

MD5
151fb811968eaf8efb840908b89dc9d4

SHA1
7ec811009fd9b0e6d92d12d78b002275f2f1bee1

SHA256
043fd8558e4a5a60aaccd2f0377f77a544e3e375242e9d7200dc6e51f94103ed

SHA512
83aface0ab01da52fd077f747c9d5916e3c06b0ea5c551d7d316707ec3e8f3f986ce1c82e6f2136e48c6511a83cb0ac67ff6dc8f0e440ac72fc6854086a87674

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

Filesize
408B

MD5
c52553e16923e622064c95bad6828aa5

SHA1
d0df4288aca8f66a9c89f35fcb0068c6ba13e737

SHA256
9bac10b927c34ae665681a9e2ea931de7d68be22ce7b26a0d181c6d58be504f0

SHA512
70f7f857bbced2615fcaf3ee879b6da85c0ae2ae4a79ed1cb572f061207a61c43b551a6d9f62e06d17548b5bd08efbf93e9220bdb0febe9a777e853b52e53d86

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

Filesize
2KB

MD5
b72dc70be6326567e6fef4406d623d6e

SHA1
5f9f5db183f15034746a407b1f10b02c0ad66667

SHA256
a32ad203b00dc5a480186c896b444db8c79736d9a20f5cfe95d5b828d9e6eeb1

SHA512
ac6eb9d9d212e6e5dfa1e3ae1d7c3571945a8afac86c8bfea7469ea4a25fb79ea510dd6b88386f187981733160d470a3443c9df4d98b91818f7c3155e36d11c4

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

Filesize
5KB

MD5
7b094ff3349f743bb22fa2e8010de15a

SHA1
146a515c01477e06ce0f13e6d397da6ec485e8b4

SHA256
d9eed781c14d40cedd911c75b7ab47092df2f224854d9a0143b3ba164dadc422

SHA512
583cbd5d77f4e1adff7aa9a8d3896c6f56713d97ceb4c3fee70d4fd603f2e935fa7cba4faf5545bfb60c734698365485409180afc7a7f1193c51f724af67f522

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

Filesize
6KB

MD5
33181036d1629151c74d91c109065aa1

SHA1
31aed22d24c43f2c7385a41adf5e37e43f48d0e4

SHA256
62274e79735d50fb0362f9d981d127f1a9f9c858fab728f68afce77317e562d5

SHA512
071f57b347c2d12de8f53208694a37bdf2dec6e9e44e288f4cc2493e180efe03a4a04ddc6fafd0198f2c42fee20983633aeab60af6069a66e059025394b0749c

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
10KB

MD5
37b972a16d2f2d44576eebb8c0ac5344

SHA1
f05458e899c2684af0036282e2b9401ab2ee523b

SHA256
ebf46d2645a1d79eb0309651790835d2d8a77f2a4ddd07dcfcaa07fbe35446d4

SHA512
3194f7e0382d6c00adc057b33fd659c89db34fa1a339413da007745048edcb8d1a42c5975c1dd333bd955c1a070e7650bcc1edfdbf26fce5c8cb55fbf7e4b701

Download Submit