metamorpherrat | 4bb90579b4fe648b077f1dd34b10b0539a1503d5c4bf9d89edab047cd76d4738

Analysis

max time kernel
120s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
09/09/2024, 15:48

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General

Target
8625b0f28c93e2023c15826e8edf8a00N.exe
Size 78KB
Sample240909-s8tqpaydkb
SHA256 4bb90579b4fe648b077f1dd34b10b0539a1503d5c4bf9d89edab047cd76d4738
MD5 8625b0f28c93e2023c15826e8edf8a00
SHA1 ac0968ef5eddc3ef0ad22d0b962ca29d48ad34b6
SHA512 da052466d4b4e88d8f739ae92eb45ce90a96b4b2842c5861eed10d196aed05280f9493e40581c5a4f4d8e49b44548c2628b525d355062bdae1833025fdee17c1
SSDEEP 1536:ZBWV5jSAlGmWw644txVILJtcfJuovFdPKmNqOqD70Gou2P2oYe9Qti6l9/cG1im:TWV5jSAtWDDILJLovbicqOq3o+nN9/B
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

metamorpherrat discovery persistence rat stealer trojan

Malware Config

Signatures

MetamorpherRAT
Metamorpherrat is a hacking tool that has been around for a while since 2013.
trojan rat stealer metamorpherrat

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation	8625b0f28c93e2023c15826e8edf8a00N.exe

Executes dropped EXE 1 IoCs

pid	Process
2184	tmp6CFD.tmp.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caspol.exe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\InstallMembership.exe\""	tmp6CFD.tmp.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8625b0f28c93e2023c15826e8edf8a00N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cvtres.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmp6CFD.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4216	8625b0f28c93e2023c15826e8edf8a00N.exe
Token: SeDebugPrivilege	2184	tmp6CFD.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4216 wrote to memory of 2464	4216	8625b0f28c93e2023c15826e8edf8a00N.exe	91
PID 4216 wrote to memory of 2464	4216	8625b0f28c93e2023c15826e8edf8a00N.exe	91
PID 4216 wrote to memory of 2464	4216	8625b0f28c93e2023c15826e8edf8a00N.exe	91
PID 2464 wrote to memory of 744	2464	vbc.exe	94
PID 2464 wrote to memory of 744	2464	vbc.exe	94
PID 2464 wrote to memory of 744	2464	vbc.exe	94
PID 4216 wrote to memory of 2184	4216	8625b0f28c93e2023c15826e8edf8a00N.exe	96
PID 4216 wrote to memory of 2184	4216	8625b0f28c93e2023c15826e8edf8a00N.exe	96
PID 4216 wrote to memory of 2184	4216	8625b0f28c93e2023c15826e8edf8a00N.exe	96

C:\Users\Admin\AppData\Local\Temp\8625b0f28c93e2023c15826e8edf8a00N.exe
"C:\Users\Admin\AppData\Local\Temp\8625b0f28c93e2023c15826e8edf8a00N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4216
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /noconfig @"C:\Users\Admin\AppData\Local\Temp\_46kpex4.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2464
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
    C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES6F7E.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcAA1CDD828676459F8450757B4CE42C68.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:744
- C:\Users\Admin\AppData\Local\Temp\tmp6CFD.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp6CFD.tmp.exe" C:\Users\Admin\AppData\Local\Temp\8625b0f28c93e2023c15826e8edf8a00N.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  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=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=2152,i,3387628439405076340,17957358341235678872,262144 --variations-seed-version --mojo-platform-channel-handle=4272 /prefetch:8
1⤵
PID:2376

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scripting

T1064

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Scripting

T1064

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

RES6F7E.tmp

Path C:\Users\Admin\AppData\Local\Temp\RES6F7E.tmp
Size 1KB
SHA256 bf337ee5ed26eea727788d28e7d325ec29bbe615677c407c44266e0e662700f3
MD5 e112310fa9bd13cf8a218919202161b4
SHA1 d62fc98f3c47f3fbb0d1bbfa874f781a9629375f
SHA512 41ca37091944c710fcb8ccddab0a62f7a151cb1daec31bec2bca61169c3a4b547acd3180fc8349e3eeffedd43539836b174acb1195ad78241f4c6155cc2c76bf
MD5 SHA1 SHA512

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_46kpex4.0.vb

Path C:\Users\Admin\AppData\Local\Temp\_46kpex4.0.vb
Size 14KB
SHA256 7da0aa7f342cbb9db846e8ef5be0a363942b3b15112aa81f40a01da411c55839
MD5 2dd5e05a54ecda53902ac045bb85fd08
SHA1 abb6e3b2ba768492fab901cd57ed717cf21ed79f
SHA512 8601d0bd41547630e877220f87c9fb69ac829042e8da0cff8021bc9a4b4687d34b60d419756b6efe4af5f37964da0164b3df0429e5332393e414056e54a07d20
SSDEEP 384:rMjN4CNzN4NlOT4N3sN0cHbufE6NyzN7QvSN7eP:M9hAX80cHC7yhw+m
MD5 SHA1 SHA512 SSDEEP

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_46kpex4.cmdline

Path C:\Users\Admin\AppData\Local\Temp\_46kpex4.cmdline
Size 266B
SHA256 08a426456dc744d93b1aa6abdfb9a5cdcbd902b0cdd8144900baef4dbfe054f7
MD5 a516732ba4b9e378a27036ee47dbaea4
SHA1 906821c3d3498e2036d05523e8d5e37bb5f4b279
SHA512 12089a2bec57189b0cc31eb84ca1ed2be20364d2192847feda5435dfd697259bade513c268a7bac11fb543b629462294184e760ab67093606a6c0a00e986020e
MD5 SHA1 SHA512

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tmp6CFD.tmp.exe

Path C:\Users\Admin\AppData\Local\Temp\tmp6CFD.tmp.exe
Size 78KB
SHA256 48df093f7753c30ab84f82219edb13c64e016d77982bb45a97afc25a9fa8c6f3
MD5 7cdd221da30367e633f2b51dad6e2785
SHA1 db17a6271affc5404fb6c4fe09ddf6f6d1b570f2
SHA512 129986faf4723b3321b1bb9e7ccbd21b2ccb2a13095e6226fca6cbc6e3914bba9cef7ee81d4bd36105e899e2243ee158479e4e66d3b5206a37657b703754751a
SSDEEP 1536:thHFo6uaJtZAlGmWw644txVILJtcfJuovFdPKmNqOqD70Gou2P2oYe9Qt/9/ZO10:7HFoI3ZAtWDDILJLovbicqOq3o+n/9/5
MD5 SHA1 SHA512 SSDEEP

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vbcAA1CDD828676459F8450757B4CE42C68.TMP

Path C:\Users\Admin\AppData\Local\Temp\vbcAA1CDD828676459F8450757B4CE42C68.TMP
Size 660B
SHA256 27e7bd11ee955e31da3c0298a5b767d5630df1b974651be0b4dcea49e55977d4
MD5 449ba07b18321d144c53f368c2e4eb24
SHA1 6fb92ac0c1b80e45dcc5f9e5d6cb2da67478a258
SHA512 ff25c2c66ec0b66716a5fcedf98980eebfd58d6ee82a5cf82b2ed50705dfa4997cec95ecea022e8218a6beb882e8e5b2d8b6fcd0ddcbcbe5c0b018eb5cadbc5c
MD5 SHA1 SHA512

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zCom.resources

Path C:\Users\Admin\AppData\Local\Temp\zCom.resources
Size 62KB
SHA256 b43ecda931e7af03f0768c905ed9fa82c03e41e566b1dff9960afc6b91ae5ab5
MD5 a26b0f78faa3881bb6307a944b096e91
SHA1 42b01830723bf07d14f3086fa83c4f74f5649368
SHA512 a0e9c2814fca6bcf87e779592c005d7a8eef058a61f5a5443f7cf8d97e2316d0cde91ed51270bbcc23ccf68c7fc4a321a5a95a4eed75cb8d8a45cb3aa725fb9c
SSDEEP 1536:sAlGmWw644txVILJtcfJuovFdPKmNqOqD70Gou2P2oYe9QtQ:sAtWDDILJLovbicqOq3o+nQ
MD5 SHA1 SHA512 SSDEEP

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memory/2184-23-0x00000000746F0000-0x0000000074CA1000-memory.dmp

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memory/2184-24-0x00000000746F0000-0x0000000074CA1000-memory.dmp

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memory/2184-25-0x00000000746F0000-0x0000000074CA1000-memory.dmp

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memory/2184-26-0x00000000746F0000-0x0000000074CA1000-memory.dmp

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memory/2184-27-0x00000000746F0000-0x0000000074CA1000-memory.dmp

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memory/2184-28-0x00000000746F0000-0x0000000074CA1000-memory.dmp

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memory/2464-9-0x00000000746F0000-0x0000000074CA1000-memory.dmp

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memory/2464-18-0x00000000746F0000-0x0000000074CA1000-memory.dmp

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memory/4216-22-0x00000000746F0000-0x0000000074CA1000-memory.dmp

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memory/4216-1-0x00000000746F0000-0x0000000074CA1000-memory.dmp

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memory/4216-2-0x00000000746F0000-0x0000000074CA1000-memory.dmp

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memory/4216-0-0x00000000746F2000-0x00000000746F3000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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