metamorpherrat | a2287523477ae7d89d7c4ef21380cfd6031bf94eb068883f842ed37d21acd855

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
17/08/2024, 03:10

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General

Target
a2287523477ae7d89d7c4ef21380cfd6031bf94eb068883f842ed37d21acd855.exe
Size 78KB
Sample240817-dpf8xstglf
SHA256 a2287523477ae7d89d7c4ef21380cfd6031bf94eb068883f842ed37d21acd855
MD5 592c6d0266b3496ba78464569efa9e7b
SHA1 8d70b2a061c3d987b27ea42ecb798cdce8314d6d
SHA512 ff0402a4dc81575cc9cc02696669579aa93af31d88743aa87a43756a5ab0f907f6287ef7cbfb196712f2739c9a9a31fec9e8780ad3a7311a2fa165b5bb50840f
SSDEEP 1536:HHHM7t4XT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQto9/C18u:HHshASyRxvhTzXPvCbW2Uo9/E
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	a2287523477ae7d89d7c4ef21380cfd6031bf94eb068883f842ed37d21acd855.exe

Executes dropped EXE 1 IoCs

pid	Process
2248	tmp2EFA.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\aspnet_state_perf = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.Web.exe\""	tmp2EFA.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	a2287523477ae7d89d7c4ef21380cfd6031bf94eb068883f842ed37d21acd855.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	tmp2EFA.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1740	a2287523477ae7d89d7c4ef21380cfd6031bf94eb068883f842ed37d21acd855.exe
Token: SeDebugPrivilege	2248	tmp2EFA.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1740 wrote to memory of 1488	1740	a2287523477ae7d89d7c4ef21380cfd6031bf94eb068883f842ed37d21acd855.exe	93
PID 1740 wrote to memory of 1488	1740	a2287523477ae7d89d7c4ef21380cfd6031bf94eb068883f842ed37d21acd855.exe	93
PID 1740 wrote to memory of 1488	1740	a2287523477ae7d89d7c4ef21380cfd6031bf94eb068883f842ed37d21acd855.exe	93
PID 1488 wrote to memory of 3828	1488	vbc.exe	95
PID 1488 wrote to memory of 3828	1488	vbc.exe	95
PID 1488 wrote to memory of 3828	1488	vbc.exe	95
PID 1740 wrote to memory of 2248	1740	a2287523477ae7d89d7c4ef21380cfd6031bf94eb068883f842ed37d21acd855.exe	99
PID 1740 wrote to memory of 2248	1740	a2287523477ae7d89d7c4ef21380cfd6031bf94eb068883f842ed37d21acd855.exe	99
PID 1740 wrote to memory of 2248	1740	a2287523477ae7d89d7c4ef21380cfd6031bf94eb068883f842ed37d21acd855.exe	99

C:\Users\Admin\AppData\Local\Temp\a2287523477ae7d89d7c4ef21380cfd6031bf94eb068883f842ed37d21acd855.exe
"C:\Users\Admin\AppData\Local\Temp\a2287523477ae7d89d7c4ef21380cfd6031bf94eb068883f842ed37d21acd855.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1740
- 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\rwdn37p_.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1488
- - 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\RES316B.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc84B62165C00C4CBDA2954B74A2B99581.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3828
- C:\Users\Admin\AppData\Local\Temp\tmp2EFA.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp2EFA.tmp.exe" C:\Users\Admin\AppData\Local\Temp\a2287523477ae7d89d7c4ef21380cfd6031bf94eb068883f842ed37d21acd855.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2248

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=4088,i,1828333185976713750,7918646547767660928,262144 --variations-seed-version --mojo-platform-channel-handle=4388 /prefetch:8
1⤵
PID:4228

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

RES316B.tmp

Path C:\Users\Admin\AppData\Local\Temp\RES316B.tmp
Size 1KB
SHA256 b3ed3f21fc5719b9b5fb1f746cb580fe2f155c9646ea476a7df8587d0d05091b
MD5 42ba0d6809eac1ac93d4af42c54950d9
SHA1 5cbc699a7c584022ae6db5a55dca9ad563b09370
SHA512 34e5685db2f19ceae87141b07e4206e7197a919a8f0ebd51c82d71e7be3c138086ecbb18d2ec6f8bfce6a414756f55a74e863b6f7dd4a71fb75aab2ff574b142
MD5 SHA1 SHA512

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rwdn37p_.0.vb

Path C:\Users\Admin\AppData\Local\Temp\rwdn37p_.0.vb
Size 15KB
SHA256 a8dae9d75e3127df3c452e866c0d181d5a377ba24a15ffc95509c86b03cc59c8
MD5 645a67c3c68aa91caeec561ab987861a
SHA1 cb7eebf13fc4916f46140a3bb1a3746aec8a51de
SHA512 11deca14ca80e98faed5fbc3c8feaf929bd60314286fad6afb1646c0e9aa775a824d7517c5e32b725b147e853225e75a1a1b30aa812bbb20168c2f97d2870ce2
SSDEEP 384:rlNe4NlN0Nz8pNg1iNGcHb2E6NHzN7QXSN7eP:zeAX0QVGcHOHhy+m
MD5 SHA1 SHA512 SSDEEP

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rwdn37p_.cmdline

Path C:\Users\Admin\AppData\Local\Temp\rwdn37p_.cmdline
Size 266B
SHA256 3e3649be6210723731c2365bfd385a074c4ed9b781cc1324ab2a973292171be5
MD5 30f76b7912c983851844d05f46dbed53
SHA1 00bfcf43e58d9afd730a084dbc81c76f7d3a7895
SHA512 49e3a9ee5a2c33a67f58e539a61e2e78d32b0c756847a310c1e27231e2edaf6525289a14ac65c85951e416bacd5596fb2407184bcdca98bd70ef530f8259464b
MD5 SHA1 SHA512

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tmp2EFA.tmp.exe

Path C:\Users\Admin\AppData\Local\Temp\tmp2EFA.tmp.exe
Size 78KB
SHA256 748f13c18564d1cd7bdde9cc2dc81024db984ffdfea5c1b0638a56b4e476a001
MD5 1379c92649b79eaad7a842600639da66
SHA1 c24625e86e2472e38ef48eb6f3a7ffddcf40c257
SHA512 5713b220dc21347b2c33853b2efb5bfbe2832603ebbd4c8378141090d71a3096197e1cdb6776147a8ceeadc686e40bb391c220ed8e3afaa812624acb32ff6f32
SSDEEP 1536:eWV58BXT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQtC6Z9/r1+R:eWV58BSyRxvhTzXPvCbW2UB9/w
MD5 SHA1 SHA512 SSDEEP

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vbc84B62165C00C4CBDA2954B74A2B99581.TMP

Path C:\Users\Admin\AppData\Local\Temp\vbc84B62165C00C4CBDA2954B74A2B99581.TMP
Size 660B
SHA256 45eacaa6d032423b0235ebbd2cce7d50297f30f49eedb8bc5ae487012e7892fa
MD5 a683241c8746ab40a72de2345cc3a91f
SHA1 e7037b5b31d6c579721e7362d0831e6feefbc4e0
SHA512 2f4303073779eb585851fa6899e61beaa824648761d4ef6289a5574afb5efc7fff19b43890ae4bb29d6e01f9a0d7eae8754f130f7dd03c2554231e022afc8578
MD5 SHA1 SHA512

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zCom.resources

Path C:\Users\Admin\AppData\Local\Temp\zCom.resources
Size 62KB
SHA256 822d92b6f2bd74ba785aa1555b5963c9d7736be1a41241927343dff1caf538d7
MD5 8fd8e054ba10661e530e54511658ac20
SHA1 72911622012ddf68f95c1e1424894ecb4442e6fd
SHA512 c14d729a30b055df18cfac5258c30574ca93bd05fb9a86b4be47ed041c7a4ceefa636bf1c2dd0ccd4c922eda785ce80127374fb70f965c1cf7cd323da5c1b24c
SSDEEP 1536:MXT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQtQ:0SyRxvhTzXPvCbW2UQ
MD5 SHA1 SHA512 SSDEEP

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memory/1488-9-0x0000000075180000-0x0000000075731000-memory.dmp

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memory/1488-18-0x0000000075180000-0x0000000075731000-memory.dmp

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memory/1740-2-0x0000000075180000-0x0000000075731000-memory.dmp

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memory/1740-0-0x0000000075182000-0x0000000075183000-memory.dmp

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memory/1740-1-0x0000000075180000-0x0000000075731000-memory.dmp

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memory/1740-22-0x0000000075180000-0x0000000075731000-memory.dmp

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memory/2248-23-0x0000000075180000-0x0000000075731000-memory.dmp

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memory/2248-24-0x0000000075180000-0x0000000075731000-memory.dmp

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memory/2248-26-0x0000000075180000-0x0000000075731000-memory.dmp

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memory/2248-27-0x0000000075180000-0x0000000075731000-memory.dmp

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memory/2248-28-0x0000000075180000-0x0000000075731000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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