metamorpherrat | a9ef922ff710081e2554ed94730b8dc620b7aae384d275e27e7024ce02e91610

General

Target

a9ef922ff710081e2554ed94730b8dc620b7aae384d275e27e7024ce02e91610N.exe
Size

78KB
MD5

3d2f979953107bd80d5a53b523e4fde0
SHA1

ddc2fb5add85c6742d37c887949755fff808a9b9
SHA256

a9ef922ff710081e2554ed94730b8dc620b7aae384d275e27e7024ce02e91610
SHA512

44663882d6e3d15e495ea1bf90eb157a50cd3e6da6611cbc57dce9a963bdf7b5367b17e6734ecd54f5b8cb8b5cd01cd8e98a00c4a51df8e5e5ce50a4e861c498
SSDEEP

1536:myV5jSNpJywt04wbje3IgTazcoOEEQLwdCRoaeuProYMHQti67F9/g1Jv:DV5jS7JywQjDgTLopLwdCFJzDF9/U

Score

10^/10

metamorpherrat discovery 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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	a9ef922ff710081e2554ed94730b8dc620b7aae384d275e27e7024ce02e91610N.exe

Executes dropped EXE 1 IoCs

pid	Process
880	tmp9673.tmp.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059
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	tmp9673.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a9ef922ff710081e2554ed94730b8dc620b7aae384d275e27e7024ce02e91610N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3948	a9ef922ff710081e2554ed94730b8dc620b7aae384d275e27e7024ce02e91610N.exe
Token: SeDebugPrivilege	880	tmp9673.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3948 wrote to memory of 1388	3948	a9ef922ff710081e2554ed94730b8dc620b7aae384d275e27e7024ce02e91610N.exe	84
PID 3948 wrote to memory of 1388	3948	a9ef922ff710081e2554ed94730b8dc620b7aae384d275e27e7024ce02e91610N.exe	84
PID 3948 wrote to memory of 1388	3948	a9ef922ff710081e2554ed94730b8dc620b7aae384d275e27e7024ce02e91610N.exe	84
PID 1388 wrote to memory of 684	1388	vbc.exe	87
PID 1388 wrote to memory of 684	1388	vbc.exe	87
PID 1388 wrote to memory of 684	1388	vbc.exe	87
PID 3948 wrote to memory of 880	3948	a9ef922ff710081e2554ed94730b8dc620b7aae384d275e27e7024ce02e91610N.exe	89
PID 3948 wrote to memory of 880	3948	a9ef922ff710081e2554ed94730b8dc620b7aae384d275e27e7024ce02e91610N.exe	89
PID 3948 wrote to memory of 880	3948	a9ef922ff710081e2554ed94730b8dc620b7aae384d275e27e7024ce02e91610N.exe	89

C:\Users\Admin\AppData\Local\Temp\a9ef922ff710081e2554ed94730b8dc620b7aae384d275e27e7024ce02e91610N.exe
"C:\Users\Admin\AppData\Local\Temp\a9ef922ff710081e2554ed94730b8dc620b7aae384d275e27e7024ce02e91610N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3948
- 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\tvoafhxh.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1388
- - 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\RES9971.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcFA871294945D42F09243BB83F34CB41.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:684
- C:\Users\Admin\AppData\Local\Temp\tmp9673.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp9673.tmp.exe" C:\Users\Admin\AppData\Local\Temp\a9ef922ff710081e2554ed94730b8dc620b7aae384d275e27e7024ce02e91610N.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:880

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Persistence

Privilege Escalation

Defense Evasion

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\RES9971.tmp

Filesize
1KB

MD5
7fc5e9c152680051be42bd385b7db7c2

SHA1
5ba0f5aee8f85faac15901f2b033c628f546330b

SHA256
8ee8ae13edcdef0c831b251c618a8187ce010951fd80a7f14f0e8bf9e2c20b50

SHA512
20d617db0f853b46dd6be14234d4435ff63861f91bd3316f9ac1d7b3ca0109a470bbe0a4ddcc9b3551b521cdd2c6c026b3c61b3769ee4004994c2920ecf38263

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp9673.tmp.exe

Filesize
78KB

MD5
0a8e9c04e85feb903410ef04ddf827e4

SHA1
e51b7211eb6c3a8add9a3a1921d9bfd8ceb6d411

SHA256
62d3ca83336ff51c16f3eab110638b0cfe9b3f163ff644a6c2340342cd72b877

SHA512
bd8f1413cf368758677bd7c18450423bdca41ac001c9b9af640856000118a76cd47454574957e5b6dc8e73fef664e1a4a92caa2128802d9e6a6424082d724083

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

Filesize
14KB

MD5
a9d508d47fc1c635714583b8970acaac

SHA1
eb725106ef27b9552aa5bbc3f3dbc662ff8ce739

SHA256
fa5d6bd9d81f7a0de2ea010f8529a3aeb9ff8ec19b7fdad414837f66defd79df

SHA512
d3183b04735624b8f7150a5135f63a0047bdbc2102812941409149306e9366a847cfe98b30be556c13c950654e61ba75009462332220e60fe7b214106561f8dc

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

Filesize
266B

MD5
ba846d150ae8cca2bf3b195a3b5ffb67

SHA1
61cff4ec966423e9b5eac003a58fc85df1c4f7e5

SHA256
5a9d63c947c2845ac43e1ada1373c059f3ae4a1e82d68b861b682d4b86644d9f

SHA512
ed931fb5ffb8e043b94079b81034e4741bbe0017b22b0e331e8a309724e58b57da5ffd14fae880552776c0ed698bcae5ab3a7fd7af241975d9afdb10d3009888

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcFA871294945D42F09243BB83F34CB41.TMP

Filesize
660B

MD5
b5d5c857925109f37981d21bf66ab2c6

SHA1
39c759750d0ed72e1a200a4a21146ea5d20f56e8

SHA256
efc31147b10f26f2ebab39b478ae6b8a2a836e7ebdec38998e316efb6b16ac68

SHA512
a8484ed80ece00ff8ffb8aa9e76d314e2ca0ddc7d6399c9bd0540a05a821ced0441316a2f8cd2e06074ea790b5f989b23823c9aff977428db9196d00cf934724

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

Filesize
62KB

MD5
484967ab9def8ff17dd55476ca137721

SHA1
a84012f673fe1ac9041e7827cc3de4b20a1194e2

SHA256
9c0a54047f133cf4e3e4444aa57cc576c566218217ea02ad7c04a408ad01791b

SHA512
1e9a0cc800543dada73e551ee714001c4d6c57a595ea2986a4dd8889d1dffd1557735580c694e5feb0b7c27c1a4b3e71a95fab8baf80839f42f80e2109cbe2d7

Download Submit
memory/880-23-0x0000000074A70000-0x0000000075021000-memory.dmp

Filesize
5.7MB

Download
memory/880-24-0x0000000074A70000-0x0000000075021000-memory.dmp

Filesize
5.7MB

Download
memory/880-25-0x0000000074A70000-0x0000000075021000-memory.dmp

Filesize
5.7MB

Download
memory/880-26-0x0000000074A70000-0x0000000075021000-memory.dmp

Filesize
5.7MB

Download
memory/880-27-0x0000000074A70000-0x0000000075021000-memory.dmp

Filesize
5.7MB

Download
memory/880-28-0x0000000074A70000-0x0000000075021000-memory.dmp

Filesize
5.7MB

Download
memory/1388-9-0x0000000074A70000-0x0000000075021000-memory.dmp

Filesize
5.7MB

Download
memory/1388-18-0x0000000074A70000-0x0000000075021000-memory.dmp

Filesize
5.7MB

Download
memory/3948-2-0x0000000074A70000-0x0000000075021000-memory.dmp

Filesize
5.7MB

Download
memory/3948-1-0x0000000074A70000-0x0000000075021000-memory.dmp

Filesize
5.7MB

Download
memory/3948-22-0x0000000074A70000-0x0000000075021000-memory.dmp

Filesize
5.7MB

Download
memory/3948-0-0x0000000074A72000-0x0000000074A73000-memory.dmp

Filesize
4KB

Download

Analysis

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