hxxp://kmmbox[.]korea[.]kr/mail24read/NDk1ODc5OTU=/ai5oYUB0YW1pbWkuY29t/NA==/MQ==/

Analysis

max time kernel
57s
max time network
58s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
14-06-2024 10:50

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General

Target

http://kmmbox.korea.kr/mail24read/NDk1ODc5OTU=/ai5oYUB0YW1pbWkuY29t/NA==/MQ==/

Score

1^/10

Malware Config

Signatures

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

msedge.exe

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 6 IoCs

Processes:

msedge.exemsedge.exeidentity_helper.exe

pid process

1208 msedge.exe
1208 msedge.exe
3972 msedge.exe
3972 msedge.exe
3128 identity_helper.exe
3128 identity_helper.exe
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs

Processes:

msedge.exe

pid process

3972 msedge.exe
3972 msedge.exe
3972 msedge.exe
3972 msedge.exe
3972 msedge.exe
3972 msedge.exe
3972 msedge.exe

pid	process
1208	msedge.exe
1208	msedge.exe
3972	msedge.exe
3972	msedge.exe
3128	identity_helper.exe
3128	identity_helper.exe

Suspicious use of FindShellTrayWindow 25 IoCs

Processes:

msedge.exe

pid	process
3972	msedge.exe
3972	msedge.exe
3972	msedge.exe
3972	msedge.exe
3972	msedge.exe
3972	msedge.exe
3972	msedge.exe
3972	msedge.exe
3972	msedge.exe
3972	msedge.exe
3972	msedge.exe
3972	msedge.exe
3972	msedge.exe
3972	msedge.exe
3972	msedge.exe
3972	msedge.exe
3972	msedge.exe
3972	msedge.exe
3972	msedge.exe
3972	msedge.exe
3972	msedge.exe
3972	msedge.exe
3972	msedge.exe
3972	msedge.exe
3972	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

Processes:

msedge.exe

pid	process
3972	msedge.exe
3972	msedge.exe
3972	msedge.exe
3972	msedge.exe
3972	msedge.exe
3972	msedge.exe
3972	msedge.exe
3972	msedge.exe
3972	msedge.exe
3972	msedge.exe
3972	msedge.exe
3972	msedge.exe
3972	msedge.exe
3972	msedge.exe
3972	msedge.exe
3972	msedge.exe
3972	msedge.exe
3972	msedge.exe
3972	msedge.exe
3972	msedge.exe
3972	msedge.exe
3972	msedge.exe
3972	msedge.exe
3972	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

msedge.exe

description	pid	process	target process
PID 3972 wrote to memory of 4180	3972	msedge.exe	msedge.exe
PID 3972 wrote to memory of 4180	3972	msedge.exe	msedge.exe
PID 3972 wrote to memory of 8	3972	msedge.exe	msedge.exe
PID 3972 wrote to memory of 8	3972	msedge.exe	msedge.exe
PID 3972 wrote to memory of 8	3972	msedge.exe	msedge.exe
PID 3972 wrote to memory of 8	3972	msedge.exe	msedge.exe
PID 3972 wrote to memory of 8	3972	msedge.exe	msedge.exe
PID 3972 wrote to memory of 8	3972	msedge.exe	msedge.exe
PID 3972 wrote to memory of 8	3972	msedge.exe	msedge.exe
PID 3972 wrote to memory of 8	3972	msedge.exe	msedge.exe
PID 3972 wrote to memory of 8	3972	msedge.exe	msedge.exe
PID 3972 wrote to memory of 8	3972	msedge.exe	msedge.exe
PID 3972 wrote to memory of 8	3972	msedge.exe	msedge.exe
PID 3972 wrote to memory of 8	3972	msedge.exe	msedge.exe
PID 3972 wrote to memory of 8	3972	msedge.exe	msedge.exe
PID 3972 wrote to memory of 8	3972	msedge.exe	msedge.exe
PID 3972 wrote to memory of 8	3972	msedge.exe	msedge.exe
PID 3972 wrote to memory of 8	3972	msedge.exe	msedge.exe
PID 3972 wrote to memory of 8	3972	msedge.exe	msedge.exe
PID 3972 wrote to memory of 8	3972	msedge.exe	msedge.exe
PID 3972 wrote to memory of 8	3972	msedge.exe	msedge.exe
PID 3972 wrote to memory of 8	3972	msedge.exe	msedge.exe
PID 3972 wrote to memory of 8	3972	msedge.exe	msedge.exe
PID 3972 wrote to memory of 8	3972	msedge.exe	msedge.exe
PID 3972 wrote to memory of 8	3972	msedge.exe	msedge.exe
PID 3972 wrote to memory of 8	3972	msedge.exe	msedge.exe
PID 3972 wrote to memory of 8	3972	msedge.exe	msedge.exe
PID 3972 wrote to memory of 8	3972	msedge.exe	msedge.exe
PID 3972 wrote to memory of 8	3972	msedge.exe	msedge.exe
PID 3972 wrote to memory of 8	3972	msedge.exe	msedge.exe
PID 3972 wrote to memory of 8	3972	msedge.exe	msedge.exe
PID 3972 wrote to memory of 8	3972	msedge.exe	msedge.exe
PID 3972 wrote to memory of 8	3972	msedge.exe	msedge.exe
PID 3972 wrote to memory of 8	3972	msedge.exe	msedge.exe
PID 3972 wrote to memory of 8	3972	msedge.exe	msedge.exe
PID 3972 wrote to memory of 8	3972	msedge.exe	msedge.exe
PID 3972 wrote to memory of 8	3972	msedge.exe	msedge.exe
PID 3972 wrote to memory of 8	3972	msedge.exe	msedge.exe
PID 3972 wrote to memory of 8	3972	msedge.exe	msedge.exe
PID 3972 wrote to memory of 8	3972	msedge.exe	msedge.exe
PID 3972 wrote to memory of 8	3972	msedge.exe	msedge.exe
PID 3972 wrote to memory of 8	3972	msedge.exe	msedge.exe
PID 3972 wrote to memory of 1208	3972	msedge.exe	msedge.exe
PID 3972 wrote to memory of 1208	3972	msedge.exe	msedge.exe
PID 3972 wrote to memory of 4200	3972	msedge.exe	msedge.exe
PID 3972 wrote to memory of 4200	3972	msedge.exe	msedge.exe
PID 3972 wrote to memory of 4200	3972	msedge.exe	msedge.exe
PID 3972 wrote to memory of 4200	3972	msedge.exe	msedge.exe
PID 3972 wrote to memory of 4200	3972	msedge.exe	msedge.exe
PID 3972 wrote to memory of 4200	3972	msedge.exe	msedge.exe
PID 3972 wrote to memory of 4200	3972	msedge.exe	msedge.exe
PID 3972 wrote to memory of 4200	3972	msedge.exe	msedge.exe
PID 3972 wrote to memory of 4200	3972	msedge.exe	msedge.exe
PID 3972 wrote to memory of 4200	3972	msedge.exe	msedge.exe
PID 3972 wrote to memory of 4200	3972	msedge.exe	msedge.exe
PID 3972 wrote to memory of 4200	3972	msedge.exe	msedge.exe
PID 3972 wrote to memory of 4200	3972	msedge.exe	msedge.exe
PID 3972 wrote to memory of 4200	3972	msedge.exe	msedge.exe
PID 3972 wrote to memory of 4200	3972	msedge.exe	msedge.exe
PID 3972 wrote to memory of 4200	3972	msedge.exe	msedge.exe
PID 3972 wrote to memory of 4200	3972	msedge.exe	msedge.exe
PID 3972 wrote to memory of 4200	3972	msedge.exe	msedge.exe
PID 3972 wrote to memory of 4200	3972	msedge.exe	msedge.exe
PID 3972 wrote to memory of 4200	3972	msedge.exe	msedge.exe

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://kmmbox.korea.kr/mail24read/NDk1ODc5OTU=/ai5oYUB0YW1pbWkuY29t/NA==/MQ==/
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:3972

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,0x100,0x104,0xd8,0x108,0x7ffa70eb46f8,0x7ffa70eb4708,0x7ffa70eb4718
2⤵
PID:4180

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2120,13200126651224383857,5970344859572967186,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2128 /prefetch:2
2⤵
PID:8

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=2120,13200126651224383857,5970344859572967186,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2184 /prefetch:3
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:1208

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=2120,13200126651224383857,5970344859572967186,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2920 /prefetch:8
2⤵
PID:4200

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,13200126651224383857,5970344859572967186,131072 --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=3180 /prefetch:1
2⤵
PID:2588

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,13200126651224383857,5970344859572967186,131072 --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=3168 /prefetch:1
2⤵
PID:1888

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=2120,13200126651224383857,5970344859572967186,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5124 /prefetch:8
2⤵
PID:1696

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=2120,13200126651224383857,5970344859572967186,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5124 /prefetch:8
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:3128

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,13200126651224383857,5970344859572967186,131072 --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=5236 /prefetch:1
2⤵
PID:4156

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,13200126651224383857,5970344859572967186,131072 --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=5252 /prefetch:1
2⤵
PID:3488

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,13200126651224383857,5970344859572967186,131072 --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=3332 /prefetch:1
2⤵
PID:2064

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,13200126651224383857,5970344859572967186,131072 --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=3272 /prefetch:1
2⤵
PID:1316

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,13200126651224383857,5970344859572967186,131072 --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=5880 /prefetch:1
2⤵
PID:3156

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3116

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2396

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
Filesize
152B

MD5
db9081c34e133c32d02f593df88f047a

SHA1
a0da007c14fd0591091924edc44bee90456700c6

SHA256
c9cd202ebb55fe8dd3e5563948bab458e947d7ba33bc0f38c6b37ce5d0bd7c3e

SHA512
12f9809958b024571891fae646208a76f3823ae333716a5cec303e15c38281db042b7acf95bc6523b6328ac9c8644794d39a0e03d9db196f156a6ee1fb4f2744

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
Filesize
152B

MD5
3a09f853479af373691d131247040276

SHA1
1b6f098e04da87e9cf2d3284943ec2144f36ac04

SHA256
a358de2c0eba30c70a56022c44a3775aa99ffa819cd7f42f7c45ac358b5e739f

SHA512
341cf0f363621ee02525cd398ae0d462319c6a80e05fd25d9aca44234c42a3071b51991d4cf102ac9d89561a1567cbe76dfeaad786a304bec33821ca77080016

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Cache\f_000036
Filesize
35KB

MD5
e96aab93f062bb9f25f692d96c6b3d79

SHA1
3eddee28a4d4dc872404614818a0e2dbd239c621

SHA256
7668eb71ac1c270df9324e5606176cfba4ee0d169429e4d153d3a72cf086bc14

SHA512
9eb48a19e884b44d96111366fef367769df4d8cd6f3d8ff77003cb7fad4e39604bdbd440d5926d85971807b1c1ebfdf7ff70b917c5ce0118aed3d2006dbf1fbf

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
Filesize
6KB

MD5
b343fa3c9e4bca2fa2e00ddc4af6c352

SHA1
7431a4de53070ea083f32847571bf32094b308cf

SHA256
1a1e3056e2fcf1abe33d5a6d1b70137ab893354a3e35bef98b8bfccc2f0a6a3d

SHA512
ba7027428874e104fc8fc5a22b7e32f7ee09692b4a5cdf39956dce3d715021eb753cc1658d18c7dac029c2243d382a88619ddae4d6e72caf3cb5cf228a424df2

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
Filesize
6KB

MD5
3901246dacbeb5efee93f3df3518d86a

SHA1
93dcfdaf61743a3697162922bb661480d92dbba1

SHA256
856ca508b8b0361f99b2220f713428551d9e772ebbd87eba41875a4bf836347c

SHA512
eba0d106d22f24cb8b2e78c4df976d39a82a4f71023f81771dee97f68a2c6eb5dfb6eada1459d861934b6401887faedb9d7e69f6c0a26126075d60a92b46d6aa

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
Filesize
7KB

MD5
2458e4c0dbc84b9d382c26b653b30de4

SHA1
00c34ce4e1791f4780203075d1c3e894b148ef7b

SHA256
90cc7eab3e685f5756d2d1f7434dd421be25388ade3b69d98811da98d012711d

SHA512
c68f86f043e1c6f0558439e3983fc632de6bd509e1bbc84bbe9274da7046f157b23365baafc4e90a1a758a23db1cbfaf5297f7c89ebcc77c918d19d0af49856f

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\b61cbef1-1a9f-4dcd-96c6-137e2c869178.tmp
Filesize
111B

MD5
807419ca9a4734feaf8d8563a003b048

SHA1
a723c7d60a65886ffa068711f1e900ccc85922a6

SHA256
aa10bf07b0d265bed28f2a475f3564d8ddb5e4d4ffee0ab6f3a0cc564907b631

SHA512
f10d496ae75db5ba412bd9f17bf0c7da7632db92a3fabf7f24071e40f5759c6a875ad8f3a72bad149da58b3da3b816077df125d0d9f3544adba68c66353d206c

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
7cf849d26ffa4c537de1fd053da2c90b

SHA1
15573675f4d30f526d64d5724176601512959332

SHA256
ba8a3450697bd8b2c756119149386474d82bf489c068ee1176950df5ad53510a

SHA512
cbb12bfd3d282ea4a8fced4eba9627689e8f917e8a94c866c63093c0b14d0783cd25d61f3127442fb9563e1ce503105ec98029cbeb451be37bc649b36b8cf628

Download Submit
\??\pipe\LOCAL\crashpad_3972_KYSRMJURBZJLCEUS
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit