metamorpherrat | 4b36950ef3ea99e4d25421c16f2860c1ea8fb898e74a378aa67dbb25120d1919

General

Target

4b36950ef3ea99e4d25421c16f2860c1ea8fb898e74a378aa67dbb25120d1919.exe
Size

78KB
MD5

3682d0e08952bd54fa17a1fca835727e
SHA1

e3ea814f3be54232c1ca53ebca6a710de7b4708d
SHA256

4b36950ef3ea99e4d25421c16f2860c1ea8fb898e74a378aa67dbb25120d1919
SHA512

b22f55673c20afa9a52dee71469cea1d63b33627475fb18b9dca6dfb600810cec5a6bc9d6d9d45d71a4a688750732d4d1de0fd5eb69441c5f3d9e63c8a6b475a
SSDEEP

1536:tc58pXT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQt96R9/41Shz:tc58ZSyRxvhTzXPvCbW2Ui9/jz

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

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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	4b36950ef3ea99e4d25421c16f2860c1ea8fb898e74a378aa67dbb25120d1919.exe

Deletes itself 1 IoCs

pid	Process
684	tmpAAB7.tmp.exe

Executes dropped EXE 1 IoCs

pid	Process
684	tmpAAB7.tmp.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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\aspnet_state_perf = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.Web.exe\""	tmpAAB7.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	4b36950ef3ea99e4d25421c16f2860c1ea8fb898e74a378aa67dbb25120d1919.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	tmpAAB7.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3656	4b36950ef3ea99e4d25421c16f2860c1ea8fb898e74a378aa67dbb25120d1919.exe
Token: SeDebugPrivilege	684	tmpAAB7.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3656 wrote to memory of 3248	3656	4b36950ef3ea99e4d25421c16f2860c1ea8fb898e74a378aa67dbb25120d1919.exe	85
PID 3656 wrote to memory of 3248	3656	4b36950ef3ea99e4d25421c16f2860c1ea8fb898e74a378aa67dbb25120d1919.exe	85
PID 3656 wrote to memory of 3248	3656	4b36950ef3ea99e4d25421c16f2860c1ea8fb898e74a378aa67dbb25120d1919.exe	85
PID 3248 wrote to memory of 3992	3248	vbc.exe	87
PID 3248 wrote to memory of 3992	3248	vbc.exe	87
PID 3248 wrote to memory of 3992	3248	vbc.exe	87
PID 3656 wrote to memory of 684	3656	4b36950ef3ea99e4d25421c16f2860c1ea8fb898e74a378aa67dbb25120d1919.exe	88
PID 3656 wrote to memory of 684	3656	4b36950ef3ea99e4d25421c16f2860c1ea8fb898e74a378aa67dbb25120d1919.exe	88
PID 3656 wrote to memory of 684	3656	4b36950ef3ea99e4d25421c16f2860c1ea8fb898e74a378aa67dbb25120d1919.exe	88

C:\Users\Admin\AppData\Local\Temp\4b36950ef3ea99e4d25421c16f2860c1ea8fb898e74a378aa67dbb25120d1919.exe
"C:\Users\Admin\AppData\Local\Temp\4b36950ef3ea99e4d25421c16f2860c1ea8fb898e74a378aa67dbb25120d1919.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3656
- 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\hljobohg.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3248
- - 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\RESAB92.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc4C42D7413E21457DB2DC1BAA353851.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3992
- C:\Users\Admin\AppData\Local\Temp\tmpAAB7.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpAAB7.tmp.exe" C:\Users\Admin\AppData\Local\Temp\4b36950ef3ea99e4d25421c16f2860c1ea8fb898e74a378aa67dbb25120d1919.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:684

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

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\RESAB92.tmp

Filesize
1KB

MD5
7c7bc583f19be3fc321698332285e9bb

SHA1
6952ef88befdcf3f47f66581dfd346a5dd308ef7

SHA256
9af61d3b51f80d31226a3aef8fe48446fcf7e06fb42e7e25b24685025547f404

SHA512
86db0609d58645469aefbe1649c105f08da17ea2520a92e98918920b743afd8291ee70c619b75a1afd44d4bd058bebf777d4f6edce6bd541c36a155a879c36c0

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

Filesize
14KB

MD5
8b1351e590ec74dc9be4151d451e862a

SHA1
c9400c9637186bbdabab2c345ff0c0d1298e9e45

SHA256
488a2a4fa799e8d036d48e74c95d4d6b0b05d9afe258078724b109ff763e01ff

SHA512
3134f474b6100c40d59de0a0a810f113a71f6750a907cdc7bbbdea94c7de6ea9e5de0736ed17872e36951a01a0548066bb070fd463cfab744e555058e89e6ddf

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

Filesize
266B

MD5
7acef9c502271231ee274cc4755b8cb7

SHA1
d174e43b28ff30e1abb1e367c6619dbccafd9120

SHA256
4b2c9f1b6f5694801f200f94f4b454988f7d02c5ec7e8d07711d1e27d807cd92

SHA512
b3959617a212d6ce9ab3f7806102d04b5bf2dea61d4e7487733b9263a5efc77f2a58811bd950f378cdde08aa4fbbab5332800a59e7004ab93a53fad0ade1000c

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpAAB7.tmp.exe

Filesize
78KB

MD5
0c8a07e16dd23654149d6ab3cd8660d2

SHA1
77642bda801fe1ca460c4847ef2e4b734077e7b6

SHA256
9996f3244e27ea8379c0fec3114c8232607c10d0e4e8ad9d687a4cd0df97581a

SHA512
de566861bb477bf67b661ae995cfea570d85e33d10d3357e19ba8e044abd191503f456c9b8729122a8b54bf8de27f88f2527771a5b65aa0ccd7179efc6b3a38f

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbc4C42D7413E21457DB2DC1BAA353851.TMP

Filesize
660B

MD5
599981c335fdd834762f687863263d97

SHA1
d37628237b0e0a0e96be0df077e227ce73b4c6ef

SHA256
46d98160811857cca9a3ff9800369e578efd8f7a5631edb016a9de6fb920ed63

SHA512
0ff2a7af65aa8c692b74fca7080c028bd09f4ccc1b07e91ec2163f888b671dd1903174b719fb992408774c2df9f85c576e7c7f32815845af284f8e1a0c591a15

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

Filesize
62KB

MD5
8fd8e054ba10661e530e54511658ac20

SHA1
72911622012ddf68f95c1e1424894ecb4442e6fd

SHA256
822d92b6f2bd74ba785aa1555b5963c9d7736be1a41241927343dff1caf538d7

SHA512
c14d729a30b055df18cfac5258c30574ca93bd05fb9a86b4be47ed041c7a4ceefa636bf1c2dd0ccd4c922eda785ce80127374fb70f965c1cf7cd323da5c1b24c

Download Submit
memory/684-23-0x0000000074E60000-0x0000000075411000-memory.dmp

Filesize
5.7MB

Download
memory/684-28-0x0000000074E60000-0x0000000075411000-memory.dmp

Filesize
5.7MB

Download
memory/684-27-0x0000000074E60000-0x0000000075411000-memory.dmp

Filesize
5.7MB

Download
memory/684-26-0x0000000074E60000-0x0000000075411000-memory.dmp

Filesize
5.7MB

Download
memory/684-24-0x0000000074E60000-0x0000000075411000-memory.dmp

Filesize
5.7MB

Download
memory/3248-8-0x0000000074E60000-0x0000000075411000-memory.dmp

Filesize
5.7MB

Download
memory/3248-18-0x0000000074E60000-0x0000000075411000-memory.dmp

Filesize
5.7MB

Download
memory/3656-22-0x0000000074E60000-0x0000000075411000-memory.dmp

Filesize
5.7MB

Download
memory/3656-0-0x0000000074E62000-0x0000000074E63000-memory.dmp

Filesize
4KB

Download
memory/3656-2-0x0000000074E60000-0x0000000075411000-memory.dmp

Filesize
5.7MB

Download
memory/3656-1-0x0000000074E60000-0x0000000075411000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads