metamorpherrat | 8b4293300d07b8d98286171703a109be5bdb665dee347645605063ce4628ed1a

General

Target

8b4293300d07b8d98286171703a109be5bdb665dee347645605063ce4628ed1aN.exe
Size

78KB
MD5

e2979c4c2b3e7c1035a2161052d9bc50
SHA1

c55b932857c6e78702bd5e01638ec48e1349905c
SHA256

8b4293300d07b8d98286171703a109be5bdb665dee347645605063ce4628ed1a
SHA512

1b584fc91c10bb604eb79d86374b6091a914b6f0eeb9412c69de9ae9206f6b97096e3f9d0a28f5f89360a97b52dd9600fcc6c61f5308b58eeb12b79c972d00e8
SSDEEP

1536:eHFo6M7t4XT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQtRH9/g10t:eHFonhASyRxvhTzXPvCbW2URH9/1

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-1-5-21-2170637797-568393320-3232933035-1000\Control Panel\International\Geo\Nation	8b4293300d07b8d98286171703a109be5bdb665dee347645605063ce4628ed1aN.exe

Deletes itself 1 IoCs

pid	Process
1312	tmp4ACF.tmp.exe

Executes dropped EXE 1 IoCs

pid	Process
1312	tmp4ACF.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-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\aspnet_state_perf = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.Web.exe\""	tmp4ACF.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	cvtres.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmp4ACF.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8b4293300d07b8d98286171703a109be5bdb665dee347645605063ce4628ed1aN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4856	8b4293300d07b8d98286171703a109be5bdb665dee347645605063ce4628ed1aN.exe
Token: SeDebugPrivilege	1312	tmp4ACF.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4856 wrote to memory of 3088	4856	8b4293300d07b8d98286171703a109be5bdb665dee347645605063ce4628ed1aN.exe	89
PID 4856 wrote to memory of 3088	4856	8b4293300d07b8d98286171703a109be5bdb665dee347645605063ce4628ed1aN.exe	89
PID 4856 wrote to memory of 3088	4856	8b4293300d07b8d98286171703a109be5bdb665dee347645605063ce4628ed1aN.exe	89
PID 3088 wrote to memory of 1104	3088	vbc.exe	91
PID 3088 wrote to memory of 1104	3088	vbc.exe	91
PID 3088 wrote to memory of 1104	3088	vbc.exe	91
PID 4856 wrote to memory of 1312	4856	8b4293300d07b8d98286171703a109be5bdb665dee347645605063ce4628ed1aN.exe	92
PID 4856 wrote to memory of 1312	4856	8b4293300d07b8d98286171703a109be5bdb665dee347645605063ce4628ed1aN.exe	92
PID 4856 wrote to memory of 1312	4856	8b4293300d07b8d98286171703a109be5bdb665dee347645605063ce4628ed1aN.exe	92

C:\Users\Admin\AppData\Local\Temp\8b4293300d07b8d98286171703a109be5bdb665dee347645605063ce4628ed1aN.exe
"C:\Users\Admin\AppData\Local\Temp\8b4293300d07b8d98286171703a109be5bdb665dee347645605063ce4628ed1aN.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4856
- 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\a71lxnqq.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3088
- - 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\RES4CA4.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc6C0FABD0360E4C1B8D68F449D6B72C87.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1104
- C:\Users\Admin\AppData\Local\Temp\tmp4ACF.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp4ACF.tmp.exe" C:\Users\Admin\AppData\Local\Temp\8b4293300d07b8d98286171703a109be5bdb665dee347645605063ce4628ed1aN.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1312

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=1296,i,1602949858158667699,12464335823361976127,262144 --variations-seed-version --mojo-platform-channel-handle=4296 /prefetch:8
1⤵
PID:3428

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scripting

1

T1064

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

Scripting

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\RES4CA4.tmp

Filesize
1KB

MD5
310396df26b931f8ab75d50ebdd6a953

SHA1
8354408f57c6309381f4c0a4fdfa2e0eb4bd99da

SHA256
6e9084e952b277e20d20d786da4e48de5b4b27a9d1e7708274e4cef45dfe9a77

SHA512
e84fe040c3f2fb4740cd35d0ceff27d9d1508502178072b10bad88a892ec5b8b406563ff4fc9c51027533c3dfbcb80a4ff8e70fce76691daa805b2c6a87d0204

Download Submit
C:\Users\Admin\AppData\Local\Temp\a71lxnqq.0.vb

Filesize
15KB

MD5
7355d73b8bcbfe373a94d55bdeeeeaa5

SHA1
0b582184f7908b7a929a99c797e450d08309760b

SHA256
6bf8eff4bff5596fc021d3385fcd2fc2f95d0fff4195f51ed0e89bd8d93214e0

SHA512
78cfb9cf6b8ba360acf3d313b7fe49f52eddd63f31bba349e1c591fcfa623f62e98b8a3cc18b7628f82fe4b8e54aa9e6310a22f043763c0c5bfdce9cf75d14b5

Download Submit
C:\Users\Admin\AppData\Local\Temp\a71lxnqq.cmdline

Filesize
266B

MD5
8f6b66de3edb3a07852271f860382471

SHA1
3baed0254b5285f1251cf0ea4247b69973461ae7

SHA256
6cd8926169239677a9569065eb07403ef3965dbafeb8854f7345ebe088917aac

SHA512
094c073e3207f4f7c913fdd3074c610f945a870a7079e91c03562fbb9186b532392222cea285e3628476e4a2c68232d4bb45ac1d5aa7e70c80343b3b1216f708

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp4ACF.tmp.exe

Filesize
78KB

MD5
0613c21325d8e789265eec6638f09a5b

SHA1
cf461ab1e6bccd6212aec52ac7cc1352df680974

SHA256
54ecf811a417da2da09b5ca9b67569933128be96db82c5f5274822504e4b1d21

SHA512
bc93ac1e409c8b083f11dcb8bfb636af21cc363f1623f36e5e70236aabf43ccffed3af7d2a677e12395f121debf1c6f43d374e5f265f7a12b6bcb4dd2fd7b3b0

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbc6C0FABD0360E4C1B8D68F449D6B72C87.TMP

Filesize
660B

MD5
6a76bdacf323fb4cf428ec942192f07a

SHA1
5c912c052cfd11ac02e1d09cdbee1e5b3adfeadb

SHA256
b863805d79b1cdcd2c4dbf4f68db64ac316f4bbdf2b02da1aaa73021b28dc880

SHA512
b7fb220d3cb395d89873570816a72c0e5f7e9ee0e69d3baa692d6ca18bd7a7e7fe4487fecbf21be2b1fa68d3c3b68d0a0faff748d50be637e59185d88b3b16ee

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

Filesize
62KB

MD5
8fd8e054ba10661e530e54511658ac20

SHA1
72911622012ddf68f95c1e1424894ecb4442e6fd

SHA256
822d92b6f2bd74ba785aa1555b5963c9d7736be1a41241927343dff1caf538d7

SHA512
c14d729a30b055df18cfac5258c30574ca93bd05fb9a86b4be47ed041c7a4ceefa636bf1c2dd0ccd4c922eda785ce80127374fb70f965c1cf7cd323da5c1b24c

Download Submit
memory/1312-22-0x0000000075440000-0x00000000759F1000-memory.dmp

Filesize
5.7MB

Download
memory/1312-24-0x0000000075440000-0x00000000759F1000-memory.dmp

Filesize
5.7MB

Download
memory/1312-26-0x0000000075440000-0x00000000759F1000-memory.dmp

Filesize
5.7MB

Download
memory/1312-27-0x0000000075440000-0x00000000759F1000-memory.dmp

Filesize
5.7MB

Download
memory/1312-28-0x0000000075440000-0x00000000759F1000-memory.dmp

Filesize
5.7MB

Download
memory/3088-18-0x0000000075440000-0x00000000759F1000-memory.dmp

Filesize
5.7MB

Download
memory/3088-9-0x0000000075440000-0x00000000759F1000-memory.dmp

Filesize
5.7MB

Download
memory/4856-2-0x0000000075440000-0x00000000759F1000-memory.dmp

Filesize
5.7MB

Download
memory/4856-0-0x0000000075442000-0x0000000075443000-memory.dmp

Filesize
4KB

Download
memory/4856-1-0x0000000075440000-0x00000000759F1000-memory.dmp

Filesize
5.7MB

Download
memory/4856-23-0x0000000075440000-0x00000000759F1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads