metamorpherrat | a4b7d24e3a26d9b382d93270599e67d986004d274d85e6dd95c046b29a91beba

General

Target

a4b7d24e3a26d9b382d93270599e67d986004d274d85e6dd95c046b29a91bebaN.exe
Size

78KB
MD5

c880c6ce4ebb7d80c8f9d380334aea30
SHA1

fb4e1c560988a663190bede3c3ab0be617de6d34
SHA256

a4b7d24e3a26d9b382d93270599e67d986004d274d85e6dd95c046b29a91beba
SHA512

2c95a6c25e337eb21a5f291119b3eeaaf58940c99534fbf0ad4eae08f0c8ec4643de0f431d6de6c1e21f27999b2b15fd799dbc6854847fa349a37e34437f1217
SSDEEP

1536:XRCHY6M7t/vZv0kH9gDDtWzYCnJPeoYrGQteV9/K1Q+:XRCHYnh/l0Y9MDYrm7eV9/o

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
Metamorpherrat family
metamorpherrat

Executes dropped EXE 1 IoCs

pid	Process
2704	tmp54D4.tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
1924	a4b7d24e3a26d9b382d93270599e67d986004d274d85e6dd95c046b29a91bebaN.exe
1924	a4b7d24e3a26d9b382d93270599e67d986004d274d85e6dd95c046b29a91bebaN.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\peverify = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Microsoft.CSharp.exe\""	tmp54D4.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	a4b7d24e3a26d9b382d93270599e67d986004d274d85e6dd95c046b29a91bebaN.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	tmp54D4.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1924	a4b7d24e3a26d9b382d93270599e67d986004d274d85e6dd95c046b29a91bebaN.exe
Token: SeDebugPrivilege	2704	tmp54D4.tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1924 wrote to memory of 2760	1924	a4b7d24e3a26d9b382d93270599e67d986004d274d85e6dd95c046b29a91bebaN.exe	30
PID 1924 wrote to memory of 2760	1924	a4b7d24e3a26d9b382d93270599e67d986004d274d85e6dd95c046b29a91bebaN.exe	30
PID 1924 wrote to memory of 2760	1924	a4b7d24e3a26d9b382d93270599e67d986004d274d85e6dd95c046b29a91bebaN.exe	30
PID 1924 wrote to memory of 2760	1924	a4b7d24e3a26d9b382d93270599e67d986004d274d85e6dd95c046b29a91bebaN.exe	30
PID 2760 wrote to memory of 2832	2760	vbc.exe	32
PID 2760 wrote to memory of 2832	2760	vbc.exe	32
PID 2760 wrote to memory of 2832	2760	vbc.exe	32
PID 2760 wrote to memory of 2832	2760	vbc.exe	32
PID 1924 wrote to memory of 2704	1924	a4b7d24e3a26d9b382d93270599e67d986004d274d85e6dd95c046b29a91bebaN.exe	33
PID 1924 wrote to memory of 2704	1924	a4b7d24e3a26d9b382d93270599e67d986004d274d85e6dd95c046b29a91bebaN.exe	33
PID 1924 wrote to memory of 2704	1924	a4b7d24e3a26d9b382d93270599e67d986004d274d85e6dd95c046b29a91bebaN.exe	33
PID 1924 wrote to memory of 2704	1924	a4b7d24e3a26d9b382d93270599e67d986004d274d85e6dd95c046b29a91bebaN.exe	33

C:\Users\Admin\AppData\Local\Temp\a4b7d24e3a26d9b382d93270599e67d986004d274d85e6dd95c046b29a91bebaN.exe
"C:\Users\Admin\AppData\Local\Temp\a4b7d24e3a26d9b382d93270599e67d986004d274d85e6dd95c046b29a91bebaN.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1924
- 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\q7ehyduu.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2760
- - 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\RES56D8.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc56D7.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2832
- C:\Users\Admin\AppData\Local\Temp\tmp54D4.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp54D4.tmp.exe" C:\Users\Admin\AppData\Local\Temp\a4b7d24e3a26d9b382d93270599e67d986004d274d85e6dd95c046b29a91bebaN.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2704

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\RES56D8.tmp

Filesize
1KB

MD5
f89de6adc7bc78e39c3f8eec79c8ecff

SHA1
453ae676a337b6f5345c1c343addab11f1b1bbef

SHA256
2cf1a66ba314335a57f3d1ad9c200172251d2ea9b04c1181cf7d274f2d9678d1

SHA512
1c6d44dde0899018668eda4bbfa9e9f060c6c70aac569d13c0ca56d1687ff3922f9b4f683284b964b3e7a38e9604ad2d7669db939852df85c1af6742c4bed453

Download Submit
C:\Users\Admin\AppData\Local\Temp\q7ehyduu.0.vb

Filesize
15KB

MD5
074c0b6737db70d1aa58126f311d9202

SHA1
cdb324f3fe51458e77b0949c0dd7a806c3c414ea

SHA256
2bce0d7297b624faa90275eb758d371ac05478d104ea5fe73d3e8fa792ee6e68

SHA512
ebc861a0a91b2ab348d7e61d5b805cb71afbe6c529b1fe7f5f35746d8b21d0f4ddc9536f52e9828126dec1e7052fce10017640a0345de8a1ff4c49d9153b2669

Download Submit
C:\Users\Admin\AppData\Local\Temp\q7ehyduu.cmdline

Filesize
266B

MD5
049367ccdbcbe9481b47d83aeb931583

SHA1
80a7828a046feb77ea34aeaf18e2380ea52b461a

SHA256
2340d4ca8b8a39e99d0745ac4ccd2b8e334c23d9450b1913ff8ad897e5b7e87d

SHA512
6193672573a24b1e39419a74927155052429448e40277cab9cc5616ebfc84b911154fed89d908a36e051f7c70588852e264b49c907705c8c802657d6fa94e4d0

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp54D4.tmp.exe

Filesize
78KB

MD5
c0781ad1d79dfa2f2321fc677e839373

SHA1
fd249db23bf4811b70787cd7e912578a151a5056

SHA256
0aa20d8064d4c91c9c652d499f1e16d79d25b43d00c8bef53bdfd6632fcc4b6f

SHA512
f8c3cf65c08670a702b1258b31ba9e5acb77d7827238c0db6d89be36b9338eb764db94ceed35601db7f92ff7ed9a6af5222c327446370d32d7396910c188c7be

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbc56D7.tmp

Filesize
660B

MD5
12e7b475a49a4b15c185f127ffeaf4da

SHA1
a9bac12d073024154a83f08ec8dcc5e642132dc2

SHA256
76e5e0aae85b4f0ae2db19db247ace893a751e186843008876def01f12fcc49a

SHA512
01351412a8d769c93415497d21827dfa0707444c9743db07feceeed20d3095960a07dcf9519bc8ce57fe42d980e679ae8c3c1e04d1255e3466434a0d499622d6

Download Submit
C:\Users\Admin\AppData\Local\Temp\zCom.resources

Filesize
62KB

MD5
8b25b4d931908b4c77ce6c3d5b9a2910

SHA1
88b65fd9733484c8f8147dad9d0896918c7e37c7

SHA256
79c261ab6b394ee23ab0fd0af48bcd96f914c6bb88b36b6815b6bbf787ecd56e

SHA512
6d954066cec5eca118601f2f848f5c9deebe3761ac285c6d45041df22e4bc4e9e2fd98c1aa4fbb6b9c735151bf8d5fffa5acddf7060a4cf3cb7e09271a4a926d

Download Submit
memory/1924-0-0x0000000074561000-0x0000000074562000-memory.dmp

Filesize
4KB

Download
memory/1924-1-0x0000000074560000-0x0000000074B0B000-memory.dmp

Filesize
5.7MB

Download
memory/1924-3-0x0000000074560000-0x0000000074B0B000-memory.dmp

Filesize
5.7MB

Download
memory/1924-24-0x0000000074560000-0x0000000074B0B000-memory.dmp

Filesize
5.7MB

Download
memory/2760-8-0x0000000074560000-0x0000000074B0B000-memory.dmp

Filesize
5.7MB

Download
memory/2760-18-0x0000000074560000-0x0000000074B0B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads