metamorpherrat | c2ebaf85b5517f549c31c00ef85ebcc6a03d6e24b87cc0e1fcd5c0aaf48ce934

Analysis

max time kernel
119s
max time network
120s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
17/09/2024, 14:58

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General

Target
c2ebaf85b5517f549c31c00ef85ebcc6a03d6e24b87cc0e1fcd5c0aaf48ce934N.exe
Size 78KB
Sample240917-schzbaygmc
SHA256 c2ebaf85b5517f549c31c00ef85ebcc6a03d6e24b87cc0e1fcd5c0aaf48ce934
MD5 3ae6e9574bef9d224a3c6eeff82420e0
SHA1 3d676355040ebf07bde3fff551f8c161689dc182
SHA512 7a719f5e68a703c679c1b01fd025e81d299f8fbc3fd6388f83fc804c84390b42eea13b9300d6fdc7ea6886f95b7f6ce5ad4923ff3a7c036a6d40a0a29566a38d
SSDEEP 1536:CWV5jVXT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQtC6m9/xm1jz:CWV5jVSyRxvhTzXPvCbW2UO9/2
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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	c2ebaf85b5517f549c31c00ef85ebcc6a03d6e24b87cc0e1fcd5c0aaf48ce934N.exe

Executes dropped EXE 1 IoCs

pid	Process
2784	tmp84DF.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-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\aspnet_state_perf = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.Web.exe\""	tmp84DF.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	cvtres.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmp84DF.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c2ebaf85b5517f549c31c00ef85ebcc6a03d6e24b87cc0e1fcd5c0aaf48ce934N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	940	c2ebaf85b5517f549c31c00ef85ebcc6a03d6e24b87cc0e1fcd5c0aaf48ce934N.exe
Token: SeDebugPrivilege	2784	tmp84DF.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 940 wrote to memory of 2516	940	c2ebaf85b5517f549c31c00ef85ebcc6a03d6e24b87cc0e1fcd5c0aaf48ce934N.exe	82
PID 940 wrote to memory of 2516	940	c2ebaf85b5517f549c31c00ef85ebcc6a03d6e24b87cc0e1fcd5c0aaf48ce934N.exe	82
PID 940 wrote to memory of 2516	940	c2ebaf85b5517f549c31c00ef85ebcc6a03d6e24b87cc0e1fcd5c0aaf48ce934N.exe	82
PID 2516 wrote to memory of 1148	2516	vbc.exe	84
PID 2516 wrote to memory of 1148	2516	vbc.exe	84
PID 2516 wrote to memory of 1148	2516	vbc.exe	84
PID 940 wrote to memory of 2784	940	c2ebaf85b5517f549c31c00ef85ebcc6a03d6e24b87cc0e1fcd5c0aaf48ce934N.exe	85
PID 940 wrote to memory of 2784	940	c2ebaf85b5517f549c31c00ef85ebcc6a03d6e24b87cc0e1fcd5c0aaf48ce934N.exe	85
PID 940 wrote to memory of 2784	940	c2ebaf85b5517f549c31c00ef85ebcc6a03d6e24b87cc0e1fcd5c0aaf48ce934N.exe	85

C:\Users\Admin\AppData\Local\Temp\c2ebaf85b5517f549c31c00ef85ebcc6a03d6e24b87cc0e1fcd5c0aaf48ce934N.exe
"C:\Users\Admin\AppData\Local\Temp\c2ebaf85b5517f549c31c00ef85ebcc6a03d6e24b87cc0e1fcd5c0aaf48ce934N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:940
- 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\mxr7gw57.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2516
- - 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\RES8618.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc6488B0C128224A7F953C73443AB03061.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1148
- C:\Users\Admin\AppData\Local\Temp\tmp84DF.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp84DF.tmp.exe" C:\Users\Admin\AppData\Local\Temp\c2ebaf85b5517f549c31c00ef85ebcc6a03d6e24b87cc0e1fcd5c0aaf48ce934N.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2784

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

RES8618.tmp

Path C:\Users\Admin\AppData\Local\Temp\RES8618.tmp
Size 1KB
SHA256 8497136ba27fff731f395da121c0bc1d6b4352e02d9814026f5056c78a6665a5
MD5 21213f7b5571d29ce85780f875ee065f
SHA1 4b0f55542e53cb05e70857c3d9a60eab3610ddc9
SHA512 6ac05d2a4a42e65e676698f719c4cf95e509c29b7eec0e45f05384e9c6ba149d222f3da24c7da98a9d43d1e062d3870ac38d3f93889a36131ceaaa3f9f481dc6
MD5 SHA1 SHA512

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mxr7gw57.0.vb

Path C:\Users\Admin\AppData\Local\Temp\mxr7gw57.0.vb
Size 14KB
SHA256 5764356edbc6768720798035852add783be74820fdceb50be21f4aa0812fdc69
MD5 373587fadccf4f725666e13102b93d40
SHA1 ec31a6a19baf9c9f6a6233f3da0c3cd7eb05329b
SHA512 aa80e698e43c8f392c4f7c0069caa92226a656257bdacbd0db192a52a2cc8504a362d2cc5c4f98e8bfc14e0c1ddb753d746b1c91bd50ea78bd6ceb560a854956
SSDEEP 384:rBtGNANMfN3pNvgckFz2/NiNrcHb4E6NUzN7QPSN7eP:dtaoA3jYiurcHQUhE+m
MD5 SHA1 SHA512 SSDEEP

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mxr7gw57.cmdline

Path C:\Users\Admin\AppData\Local\Temp\mxr7gw57.cmdline
Size 266B
SHA256 26e4550e8ccdd9dd7d04328d026a6eeae78db7cfb5b616b5c2bb30bfcebac578
MD5 5ccf3bbc16685cea69d3870d6e35c5fe
SHA1 cb73ff95b28297e8b70eec3fd9454fa97a582e54
SHA512 ddd3018c055eb3cbe9b935f5172a6ce1361c2774779f49f58abf668eb7f8c3f2291ace6f4f17b90482a2edd25953f3710bb03c9b219816135183987da2806763
MD5 SHA1 SHA512

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tmp84DF.tmp.exe

Path C:\Users\Admin\AppData\Local\Temp\tmp84DF.tmp.exe
Size 78KB
SHA256 77ad3dc6df0b8b679495caec9260cea113e7e56a29fa3c1af64c0f6c83cbf20e
MD5 dad0de3603d3440dfb5e5ed411c8ce4e
SHA1 13d885fc76a9960c1386056996a0c7a9f48338eb
SHA512 b9518d77ca4517a6580d6287dd9e1712fa78c5bde23cf2ebb1122535af7ad3d6575086d9641fc8351379b3380bd904e47017d69c76ec012c5f9b3113ff723cf1
SSDEEP 1536:rPCHFo6M7t4XT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQtz9/g1fQ:rPCHFonhASyRxvhTzXPvCbW2Uz9/p
MD5 SHA1 SHA512 SSDEEP

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vbc6488B0C128224A7F953C73443AB03061.TMP

Path C:\Users\Admin\AppData\Local\Temp\vbc6488B0C128224A7F953C73443AB03061.TMP
Size 660B
SHA256 cc29d0887b6894057b1f63a45caecb46bbf3a12b9d78ce5cbd2aece32d4cd444
MD5 b94b8d58c3f51de04e77b683b67ac039
SHA1 027cb73d63c718c1335261b01dec1b6e0092030a
SHA512 a7c477d81028f43b36d76f8df0d2d7edee5d26b35f44365a859d7e38ad2aad69d51e89ba9f98ca1530b6f06bfb57f345445c6af328e0e9e580941351c5e79767
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/940-1-0x00000000754B0000-0x0000000075A61000-memory.dmp

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memory/940-2-0x00000000754B0000-0x0000000075A61000-memory.dmp

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memory/940-0-0x00000000754B2000-0x00000000754B3000-memory.dmp

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memory/940-22-0x00000000754B0000-0x0000000075A61000-memory.dmp

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memory/2516-9-0x00000000754B0000-0x0000000075A61000-memory.dmp

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memory/2516-18-0x00000000754B0000-0x0000000075A61000-memory.dmp

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memory/2784-23-0x00000000754B0000-0x0000000075A61000-memory.dmp

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memory/2784-24-0x00000000754B0000-0x0000000075A61000-memory.dmp

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memory/2784-26-0x00000000754B0000-0x0000000075A61000-memory.dmp

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memory/2784-27-0x00000000754B0000-0x0000000075A61000-memory.dmp

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memory/2784-28-0x00000000754B0000-0x0000000075A61000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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