metamorpherrat | b8ffb1799aa10698175f88696c3f2f5c438f4dc8b90ed3d50829488f49647eee

Analysis

max time kernel
120s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
30/07/2024, 20:52

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General

Target
0a500f8367b3a1c85661b7eead026340N.exe
Size 78KB
Sample240730-zn13layarn
SHA256 b8ffb1799aa10698175f88696c3f2f5c438f4dc8b90ed3d50829488f49647eee
MD5 0a500f8367b3a1c85661b7eead026340
SHA1 efcf095462306e7064c4901761456d66fcdc4b8a
SHA512 9bd37f60ef9d8a1e732a70d833e3cef2616422a93639ca0eaf5d2b8d44f3d262b2a774aa1fecf7f769d34d4c42ec5ae901590e181c138ec60dabc309ddb9e395
SSDEEP 1536:EWV5jSAXT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQtC6sM9/T1uw:EWV5jS4SyRxvhTzXPvCbW2UH9/l
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-1-5-21-2077438316-259605770-1264560426-1000\Control Panel\International\Geo\Nation	0a500f8367b3a1c85661b7eead026340N.exe

Deletes itself 1 IoCs

pid	Process
924	tmpA0D4.tmp.exe

Executes dropped EXE 1 IoCs

pid	Process
924	tmpA0D4.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-1-5-21-2077438316-259605770-1264560426-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\aspnet_state_perf = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.Web.exe\""	tmpA0D4.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	0a500f8367b3a1c85661b7eead026340N.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	tmpA0D4.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2084	0a500f8367b3a1c85661b7eead026340N.exe
Token: SeDebugPrivilege	924	tmpA0D4.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2084 wrote to memory of 3032	2084	0a500f8367b3a1c85661b7eead026340N.exe	83
PID 2084 wrote to memory of 3032	2084	0a500f8367b3a1c85661b7eead026340N.exe	83
PID 2084 wrote to memory of 3032	2084	0a500f8367b3a1c85661b7eead026340N.exe	83
PID 3032 wrote to memory of 3724	3032	vbc.exe	86
PID 3032 wrote to memory of 3724	3032	vbc.exe	86
PID 3032 wrote to memory of 3724	3032	vbc.exe	86
PID 2084 wrote to memory of 924	2084	0a500f8367b3a1c85661b7eead026340N.exe	87
PID 2084 wrote to memory of 924	2084	0a500f8367b3a1c85661b7eead026340N.exe	87
PID 2084 wrote to memory of 924	2084	0a500f8367b3a1c85661b7eead026340N.exe	87

C:\Users\Admin\AppData\Local\Temp\0a500f8367b3a1c85661b7eead026340N.exe
"C:\Users\Admin\AppData\Local\Temp\0a500f8367b3a1c85661b7eead026340N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2084
- 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\dhqrsw6t.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3032
- - 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\RESA21C.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc51B4E74BE1B344D89C7D48BDD026C5A4.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3724
- C:\Users\Admin\AppData\Local\Temp\tmpA0D4.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpA0D4.tmp.exe" C:\Users\Admin\AppData\Local\Temp\0a500f8367b3a1c85661b7eead026340N.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:924

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

RESA21C.tmp

Path C:\Users\Admin\AppData\Local\Temp\RESA21C.tmp
Size 1KB
SHA256 078c0c515db2de13c30f56e519e588244ab6fa820d217a3f811936a1a978220f
MD5 d57fb8c0619adb406bd418b7c8302e72
SHA1 d2de1949252af460d7f56532ca8a11ad0c13dd70
SHA512 d2ed88ad07ff0c4da34428f6c3349933ef5514437181239a513b129eaf3147c3b74201d8a45c5b9715409e705282956b0e75bf55d0a739d95093289c23fad246
MD5 SHA1 SHA512

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dhqrsw6t.0.vb

Path C:\Users\Admin\AppData\Local\Temp\dhqrsw6t.0.vb
Size 14KB
SHA256 d746c3b6688373585542de01c57cc34ff6fa6164d8dc71ffbaaf10387f356b5e
MD5 6dd30c988152f6dd501f8f5c5b9332a7
SHA1 bd74917c194e753b9b25213938703126f07984fb
SHA512 a7cdf9543c962b0fcdb0d377d785929fd58e4823d45ed516b716a3cce3dc6e2bc5abce948626f78347d48bb8bb36b221ad5db921aac8870f85840aa9302b0241
SSDEEP 384:rBCN1ShdNfsV66NjNEgckFzKcNlN7srcHb4E6NUzN7QPSN7eP:dOohPfsV6mxDs8XAcHQUhE+m
MD5 SHA1 SHA512 SSDEEP

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dhqrsw6t.cmdline

Path C:\Users\Admin\AppData\Local\Temp\dhqrsw6t.cmdline
Size 266B
SHA256 8a9496eac763e0622e4afd8bbb53e2aa4135e134da5e22dfbe8ba518d3380cc6
MD5 23af96dcb7b5c02ee527cca7981c57e2
SHA1 07c4f3543d34d87ff6b0d93ca7f716c829249008
SHA512 655795a5efc15ab220cb2197ba64b4a2ef767f0514fbaf8dc5c4bedbeb41d39df480525c2bbb2c59c2a157128fa13ccc183a3e59560c7e7cf2b332eff8f40b1a
MD5 SHA1 SHA512

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tmpA0D4.tmp.exe

Path C:\Users\Admin\AppData\Local\Temp\tmpA0D4.tmp.exe
Size 78KB
SHA256 152f99c5c09fecec27224708d5144d388fc7c173d142809b0862587cd591c896
MD5 bc6ab77dc059b6c349e49c824aaeada5
SHA1 141a8c465d23fb8d1aa92e1084adf135d51af170
SHA512 b26a8434e83d3696cf6bc4216676ef08a25b0f4e3d72f05b092e23739885c9ec8f88877cd0089e22de580bdeccbcfb8b72ee405f37a2f86faeb3225a72283dd8
SSDEEP 1536:wPCHY6M7t4XT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQt69/A1Dt:wPCHYnhASyRxvhTzXPvCbW2U69/E
MD5 SHA1 SHA512 SSDEEP

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vbc51B4E74BE1B344D89C7D48BDD026C5A4.TMP

Path C:\Users\Admin\AppData\Local\Temp\vbc51B4E74BE1B344D89C7D48BDD026C5A4.TMP
Size 660B
SHA256 e7582328614754d10aee20e0cf451076c41c20a04df1b10d084e6a55c5240f95
MD5 cfd993230ed84d7e27f97fcb4f694948
SHA1 4c0e458dd731d803895dec9a997b4f8d38a5e776
SHA512 e88e668e4d786561953a8ccb504b36773b91f5ca715a2c885b51f046ffe0164080df561f60d3f411a99078c4cac36956602b288620596dc5b726c4699c881062
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/924-23-0x00000000749D0000-0x0000000074F81000-memory.dmp

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memory/924-24-0x00000000749D0000-0x0000000074F81000-memory.dmp

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memory/924-26-0x00000000749D0000-0x0000000074F81000-memory.dmp

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memory/924-27-0x00000000749D0000-0x0000000074F81000-memory.dmp

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memory/924-28-0x00000000749D0000-0x0000000074F81000-memory.dmp

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memory/2084-2-0x00000000749D0000-0x0000000074F81000-memory.dmp

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memory/2084-0-0x00000000749D2000-0x00000000749D3000-memory.dmp

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memory/2084-1-0x00000000749D0000-0x0000000074F81000-memory.dmp

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memory/2084-22-0x00000000749D0000-0x0000000074F81000-memory.dmp

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memory/3032-9-0x00000000749D0000-0x0000000074F81000-memory.dmp

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memory/3032-18-0x00000000749D0000-0x0000000074F81000-memory.dmp

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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