metamorpherrat | 6cffad9f751ff707de710be4b98f8c5b7af93961e09187e50caab6fdea59d038

Analysis

max time kernel
119s
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
18/09/2024, 13:46

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General

Target
6cffad9f751ff707de710be4b98f8c5b7af93961e09187e50caab6fdea59d038N.exe
Size 78KB
Sample240918-q262bsvdpr
SHA256 6cffad9f751ff707de710be4b98f8c5b7af93961e09187e50caab6fdea59d038
MD5 6c3538f20f62c8730a7235bb1dcc5840
SHA1 5a29b3d12eca2bc70f6c8c644bf5604bc4b66682
SHA512 4ef144932922de5ab7f83af26575f0b2fb2c6d2158d8b8e63012e73ff08375a603bffb5a57a200bc9e36b57e142e31978b00cad21557872e8b795441595c656a
SSDEEP 1536:DPCHY6M7t4XT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQtz9/y1Pu:DPCHYnhASyRxvhTzXPvCbW2Uz9/R
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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	6cffad9f751ff707de710be4b98f8c5b7af93961e09187e50caab6fdea59d038N.exe

Deletes itself 1 IoCs

pid	Process
1528	tmp7B89.tmp.exe

Executes dropped EXE 1 IoCs

pid	Process
1528	tmp7B89.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-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\aspnet_state_perf = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.Web.exe\""	tmp7B89.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	6cffad9f751ff707de710be4b98f8c5b7af93961e09187e50caab6fdea59d038N.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	tmp7B89.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1680	6cffad9f751ff707de710be4b98f8c5b7af93961e09187e50caab6fdea59d038N.exe
Token: SeDebugPrivilege	1528	tmp7B89.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1680 wrote to memory of 5076	1680	6cffad9f751ff707de710be4b98f8c5b7af93961e09187e50caab6fdea59d038N.exe	82
PID 1680 wrote to memory of 5076	1680	6cffad9f751ff707de710be4b98f8c5b7af93961e09187e50caab6fdea59d038N.exe	82
PID 1680 wrote to memory of 5076	1680	6cffad9f751ff707de710be4b98f8c5b7af93961e09187e50caab6fdea59d038N.exe	82
PID 5076 wrote to memory of 4184	5076	vbc.exe	84
PID 5076 wrote to memory of 4184	5076	vbc.exe	84
PID 5076 wrote to memory of 4184	5076	vbc.exe	84
PID 1680 wrote to memory of 1528	1680	6cffad9f751ff707de710be4b98f8c5b7af93961e09187e50caab6fdea59d038N.exe	85
PID 1680 wrote to memory of 1528	1680	6cffad9f751ff707de710be4b98f8c5b7af93961e09187e50caab6fdea59d038N.exe	85
PID 1680 wrote to memory of 1528	1680	6cffad9f751ff707de710be4b98f8c5b7af93961e09187e50caab6fdea59d038N.exe	85

C:\Users\Admin\AppData\Local\Temp\6cffad9f751ff707de710be4b98f8c5b7af93961e09187e50caab6fdea59d038N.exe
"C:\Users\Admin\AppData\Local\Temp\6cffad9f751ff707de710be4b98f8c5b7af93961e09187e50caab6fdea59d038N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1680
- 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\qulgyucr.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5076
- - 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\RES7CA2.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc1466C242D5D44031AB36691BECB1934B.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4184
- C:\Users\Admin\AppData\Local\Temp\tmp7B89.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp7B89.tmp.exe" C:\Users\Admin\AppData\Local\Temp\6cffad9f751ff707de710be4b98f8c5b7af93961e09187e50caab6fdea59d038N.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1528

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

RES7CA2.tmp

Path C:\Users\Admin\AppData\Local\Temp\RES7CA2.tmp
Size 1KB
SHA256 61f488cff64fdf50290485fead34ef2fd6427fdc643522939fe95762a0933511
MD5 2f655699f7d9f6322335f068831e0b60
SHA1 e4090ec39778a095fc97730d0f5449f4970b1dc7
SHA512 589da1e7a5072623a6d58ec8cba03c61c0bb941dd595e1ba34800b62480d49ad516197e6ee59134f8ba6fc2aa320868552be7bbc3d16257c3517010c9f0ff389
MD5 SHA1 SHA512

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qulgyucr.0.vb

Path C:\Users\Admin\AppData\Local\Temp\qulgyucr.0.vb
Size 15KB
SHA256 2ea8cf97f93666faa309bbf73054aacd1e81b05acdd26171535c2c6b0726f4ec
MD5 0a262c084b94d14632dea4a48f99d47d
SHA1 6b6ace33d96e350349e97ce2bfd59ebf761d8012
SHA512 53df5dc1cad00f2eb3e90e1dcfbd58862453b4d564b637f9771e9c17c836de13b3760e31204ae3aa40b83ff7c96990d7827044a594d563fc657b128120ea93af
SSDEEP 384:ruNzhCNutqNgYNZ6yN78HENVegcHbdE6NUzN7Q3SN7eP:ezhOuU9pfVTcHNUh2+m
MD5 SHA1 SHA512 SSDEEP

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qulgyucr.cmdline

Path C:\Users\Admin\AppData\Local\Temp\qulgyucr.cmdline
Size 266B
SHA256 44efadd0a186806fd6cb5e0d1512476600ddb506696b1bd30c09f1e1721d8279
MD5 fe424b52916962c8121300a5d69ce587
SHA1 763f23776b2c6a41dc06a0ca1ec75ae423056f86
SHA512 2b6f5789a4a3257bc1912454f402d1ce9e2f75b923b08fd4e46ae74a4e5869a2b5cf1f833bd146b336ef737e52c2de77cad9588a646b20c0b4c1060a8d1a4cab
MD5 SHA1 SHA512

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tmp7B89.tmp.exe

Path C:\Users\Admin\AppData\Local\Temp\tmp7B89.tmp.exe
Size 78KB
SHA256 5f7586a8a7f5583a0f253d938cb36ed21e66522b2b59436d8756f84e535be6bc
MD5 6a10a6081651eeee07ba356501645df6
SHA1 b257cd09ab6831e7d051311752c0aa7f95d42a22
SHA512 c6ce6d30572bb68c276d3b0229d7feaf63192d9591ce5bc5a6fd41562cf8a2ef9ed6c9d3c2fa4921a00af94a78428d9373efb389641df3cc8cc1abbd3d5fdac3
SSDEEP 1536:/y5jVXT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQtC6H9/W12R:/y5jVSyRxvhTzXPvCbW2U/9/5
MD5 SHA1 SHA512 SSDEEP

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vbc1466C242D5D44031AB36691BECB1934B.TMP

Path C:\Users\Admin\AppData\Local\Temp\vbc1466C242D5D44031AB36691BECB1934B.TMP
Size 660B
SHA256 5deec4f47bf2f062a0326082164ffbe70ab815b1ed0e412661f10d2e7917ad46
MD5 3a61f7880a1ac1f64628c9a4dda7770d
SHA1 06c5bd4e528f1ebce144ff61ffadbf494dbd7fbc
SHA512 650b693f28df8ca17b88155ccc619e93d3dbf38f7a027e3721754023c1aab6517c1ee8a819ff0d013395b21c3a08139be5cebdd9c74fcaa54befbafef526974b
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/1528-23-0x0000000074930000-0x0000000074EE1000-memory.dmp

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memory/1528-24-0x0000000074930000-0x0000000074EE1000-memory.dmp

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memory/1528-26-0x0000000074930000-0x0000000074EE1000-memory.dmp

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memory/1528-27-0x0000000074930000-0x0000000074EE1000-memory.dmp

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memory/1528-28-0x0000000074930000-0x0000000074EE1000-memory.dmp

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memory/1680-2-0x0000000074930000-0x0000000074EE1000-memory.dmp

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memory/1680-1-0x0000000074930000-0x0000000074EE1000-memory.dmp

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memory/1680-22-0x0000000074930000-0x0000000074EE1000-memory.dmp

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memory/1680-0-0x0000000074932000-0x0000000074933000-memory.dmp

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memory/5076-8-0x0000000074930000-0x0000000074EE1000-memory.dmp

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memory/5076-18-0x0000000074930000-0x0000000074EE1000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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