41905b3045bb9dd6ef81ea2d105f1385bfafdd9057461f0cb17f8b9f4f687b0f

General

Target

41905b3045bb9dd6ef81ea2d105f1385bfafdd9057461f0cb17f8b9f4f687b0fN.exe
Size

78KB
MD5

37329365535ff30d183336f754e687a0
SHA1

3b618edab92651d3c272f789ac3c919d96c962e1
SHA256

41905b3045bb9dd6ef81ea2d105f1385bfafdd9057461f0cb17f8b9f4f687b0f
SHA512

afbb2a0375a7ca7865e8a15b9b59b8ab68e801a693458cd19c401357d14ae98a68e754c5fa546cd4e486c7f1e05a32af3aaf4f98f7a4137f68d0245f9390a3d3
SSDEEP

1536:rCHY6M7t4XT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQte59/z1Hl:rCHYnhASyRxvhTzXPvCbW2Ue59/3

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2664	tmp399.tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
2084	41905b3045bb9dd6ef81ea2d105f1385bfafdd9057461f0cb17f8b9f4f687b0fN.exe
2084	41905b3045bb9dd6ef81ea2d105f1385bfafdd9057461f0cb17f8b9f4f687b0fN.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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\aspnet_state_perf = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.Web.exe\""	tmp399.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	41905b3045bb9dd6ef81ea2d105f1385bfafdd9057461f0cb17f8b9f4f687b0fN.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	tmp399.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2084	41905b3045bb9dd6ef81ea2d105f1385bfafdd9057461f0cb17f8b9f4f687b0fN.exe
Token: SeDebugPrivilege	2664	tmp399.tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2084 wrote to memory of 1056	2084	41905b3045bb9dd6ef81ea2d105f1385bfafdd9057461f0cb17f8b9f4f687b0fN.exe	30
PID 2084 wrote to memory of 1056	2084	41905b3045bb9dd6ef81ea2d105f1385bfafdd9057461f0cb17f8b9f4f687b0fN.exe	30
PID 2084 wrote to memory of 1056	2084	41905b3045bb9dd6ef81ea2d105f1385bfafdd9057461f0cb17f8b9f4f687b0fN.exe	30
PID 2084 wrote to memory of 1056	2084	41905b3045bb9dd6ef81ea2d105f1385bfafdd9057461f0cb17f8b9f4f687b0fN.exe	30
PID 1056 wrote to memory of 2768	1056	vbc.exe	32
PID 1056 wrote to memory of 2768	1056	vbc.exe	32
PID 1056 wrote to memory of 2768	1056	vbc.exe	32
PID 1056 wrote to memory of 2768	1056	vbc.exe	32
PID 2084 wrote to memory of 2664	2084	41905b3045bb9dd6ef81ea2d105f1385bfafdd9057461f0cb17f8b9f4f687b0fN.exe	33
PID 2084 wrote to memory of 2664	2084	41905b3045bb9dd6ef81ea2d105f1385bfafdd9057461f0cb17f8b9f4f687b0fN.exe	33
PID 2084 wrote to memory of 2664	2084	41905b3045bb9dd6ef81ea2d105f1385bfafdd9057461f0cb17f8b9f4f687b0fN.exe	33
PID 2084 wrote to memory of 2664	2084	41905b3045bb9dd6ef81ea2d105f1385bfafdd9057461f0cb17f8b9f4f687b0fN.exe	33

C:\Users\Admin\AppData\Local\Temp\41905b3045bb9dd6ef81ea2d105f1385bfafdd9057461f0cb17f8b9f4f687b0fN.exe
"C:\Users\Admin\AppData\Local\Temp\41905b3045bb9dd6ef81ea2d105f1385bfafdd9057461f0cb17f8b9f4f687b0fN.exe"
1⤵
- Loads dropped DLL
- 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\ef3qtewt.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1056
- - 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\RES455.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc454.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2768
- C:\Users\Admin\AppData\Local\Temp\tmp399.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp399.tmp.exe" C:\Users\Admin\AppData\Local\Temp\41905b3045bb9dd6ef81ea2d105f1385bfafdd9057461f0cb17f8b9f4f687b0fN.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2664

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\RES455.tmp

Filesize
1KB

MD5
5a9ea80cbfa0c2bf10a07f79d1fffeef

SHA1
d4dbeb48a90b3d0ef6c50b85d3df6026084cf974

SHA256
deb2433e1fb3b7d6d53fdd82dcabed50b20d39adab43d6c644853b86d3698add

SHA512
98a06f3204c1bf86882e6473b87d827373f2d6445814a3cebb9fd75ff4fd9f3d6bbe4eff14dd9e78882186ea125222ae32cb118426e99f08bf3b4d10cb5dbba8

Download Submit
C:\Users\Admin\AppData\Local\Temp\ef3qtewt.0.vb

Filesize
15KB

MD5
00663163f58a9dca9b0f23279aaa8abb

SHA1
4a9ca044259eb541c45d48e772d9c064f4662b08

SHA256
468fdcd37a6b56b79498dff88dee25b4545e266240354bab4b985c481aa750f2

SHA512
51bcafeff38030b687ad99480c2da3b97d013208b6bf156004eaf62cf54cff3d7569ada5e9e6b8b433f99ea7f1d5231176bd7d4bb2dfffcd42f9cf7d70e28267

Download Submit
C:\Users\Admin\AppData\Local\Temp\ef3qtewt.cmdline

Filesize
265B

MD5
c8aab61680e6c7713aadda2826a4b248

SHA1
4c20db80b45d60cfea4453d32c88a7d4490398ab

SHA256
7816581a9951b7e96c30cef8c5152b9f4cc7f19526caeb389b9a747fc8611473

SHA512
0d6a17998156b02968c8cfb4a891314b8d56d9ec45927607adaf033c8e3286637b8f509f9eb15ab22af6b7093c951f8903c707a23c7d92fc7bb8e59bade2ba71

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp399.tmp.exe

Filesize
78KB

MD5
63c6ecb52cf2981fe4038fb6d2553f85

SHA1
48f03a2fd0b9582d4e1b2f9f5aaaf60e25446d86

SHA256
9a3e947d74e0d51c39ecbec07bdc57840274bbb1c771897525f1f917108d7ba4

SHA512
d1544d30b6def274a6dca3b0aee10bbc824f6005af8ccf3bc45b7f7729a4d432e012f36c239160e18e48bc94e5f779c0e48691db2c369cb69e7770de64851c3e

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbc454.tmp

Filesize
660B

MD5
269148f2ec9031a6349e320e0150b074

SHA1
6af99312e5344cb3d1fcb8b747baf1947115c562

SHA256
dc72b2a61a5aa213a5ad935477a76b228d68a05a0e87e3de834db5af98534666

SHA512
2a94f8706edc48ce3f524b59165b54df61f486a37f20ad3d9cf419e3a12212deeb5242454a9f5412a9e510b3531217b14f7bbab99ea06ebf983593a222edc8d8

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

Filesize
62KB

MD5
8fd8e054ba10661e530e54511658ac20

SHA1
72911622012ddf68f95c1e1424894ecb4442e6fd

SHA256
822d92b6f2bd74ba785aa1555b5963c9d7736be1a41241927343dff1caf538d7

SHA512
c14d729a30b055df18cfac5258c30574ca93bd05fb9a86b4be47ed041c7a4ceefa636bf1c2dd0ccd4c922eda785ce80127374fb70f965c1cf7cd323da5c1b24c

Download Submit
memory/1056-8-0x0000000074D90000-0x000000007533B000-memory.dmp

Filesize
5.7MB

Download
memory/1056-18-0x0000000074D90000-0x000000007533B000-memory.dmp

Filesize
5.7MB

Download
memory/2084-0-0x0000000074D91000-0x0000000074D92000-memory.dmp

Filesize
4KB

Download
memory/2084-1-0x0000000074D90000-0x000000007533B000-memory.dmp

Filesize
5.7MB

Download
memory/2084-3-0x0000000074D90000-0x000000007533B000-memory.dmp

Filesize
5.7MB

Download
memory/2084-24-0x0000000074D90000-0x000000007533B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads