c899ef4ca4d00a1f74ea670d589fa9426bceae11bc14b268b695034226022ba6

General

Target

c899ef4ca4d00a1f74ea670d589fa9426bceae11bc14b268b695034226022ba6N.exe
Size

78KB
MD5

970c82b0bcea5031ceb690f522bfd8e0
SHA1

f33c8f7c04118929b458c076f33d0db114a8c885
SHA256

c899ef4ca4d00a1f74ea670d589fa9426bceae11bc14b268b695034226022ba6
SHA512

43e9b54de9748cf207bd47ef6e3051aace1ae80c23f36cd1f18f7e6c9624e5d07b8ef24d33f3a36525f5e4b5826e49f61240de09667987e6427972bfd030b7da
SSDEEP

1536:FPCHFo6M7t4XT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQtl9/Y15M:FPCHFonhASyRxvhTzXPvCbW2Ul9/r

Score

7^/10

discovery persistence

Malware Config

Signatures

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	c899ef4ca4d00a1f74ea670d589fa9426bceae11bc14b268b695034226022ba6N.exe

Executes dropped EXE 1 IoCs

pid	Process
4856	tmpB71B.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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\aspnet_state_perf = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.Web.exe\""	tmpB71B.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	c899ef4ca4d00a1f74ea670d589fa9426bceae11bc14b268b695034226022ba6N.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	tmpB71B.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1780	c899ef4ca4d00a1f74ea670d589fa9426bceae11bc14b268b695034226022ba6N.exe
Token: SeDebugPrivilege	4856	tmpB71B.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1780 wrote to memory of 880	1780	c899ef4ca4d00a1f74ea670d589fa9426bceae11bc14b268b695034226022ba6N.exe	84
PID 1780 wrote to memory of 880	1780	c899ef4ca4d00a1f74ea670d589fa9426bceae11bc14b268b695034226022ba6N.exe	84
PID 1780 wrote to memory of 880	1780	c899ef4ca4d00a1f74ea670d589fa9426bceae11bc14b268b695034226022ba6N.exe	84
PID 880 wrote to memory of 2796	880	vbc.exe	87
PID 880 wrote to memory of 2796	880	vbc.exe	87
PID 880 wrote to memory of 2796	880	vbc.exe	87
PID 1780 wrote to memory of 4856	1780	c899ef4ca4d00a1f74ea670d589fa9426bceae11bc14b268b695034226022ba6N.exe	90
PID 1780 wrote to memory of 4856	1780	c899ef4ca4d00a1f74ea670d589fa9426bceae11bc14b268b695034226022ba6N.exe	90
PID 1780 wrote to memory of 4856	1780	c899ef4ca4d00a1f74ea670d589fa9426bceae11bc14b268b695034226022ba6N.exe	90

C:\Users\Admin\AppData\Local\Temp\c899ef4ca4d00a1f74ea670d589fa9426bceae11bc14b268b695034226022ba6N.exe
"C:\Users\Admin\AppData\Local\Temp\c899ef4ca4d00a1f74ea670d589fa9426bceae11bc14b268b695034226022ba6N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1780
- 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\1z2ywwa-.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:880
- - 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\RESB873.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcD0702877D41B4941BB86CC4763ACCD3A.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2796
- C:\Users\Admin\AppData\Local\Temp\tmpB71B.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpB71B.tmp.exe" C:\Users\Admin\AppData\Local\Temp\c899ef4ca4d00a1f74ea670d589fa9426bceae11bc14b268b695034226022ba6N.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4856

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\1z2ywwa-.0.vb

Filesize
15KB

MD5
a2f8a5dc6ed2f7a9e6d8c2237a1fba49

SHA1
9960f8b3ce95d0c0b73297cb040a590a1f1ec783

SHA256
1a7193065ccf188cbcb6839eb7a364e86bd2d059f32e59813dee5dafd523e971

SHA512
dd331939a1664013dcccc968bf09abf809ca9fe96cb92726e1268d585c0a23c4c6dd0ba621810f973c1c2300bdbb3fb799f8cf9c9cbcf28f4a635f40bd6b98cd

Download Submit
C:\Users\Admin\AppData\Local\Temp\1z2ywwa-.cmdline

Filesize
266B

MD5
9a3f1070ebbef45137d2030e6ab4c92f

SHA1
e1791e8687588e33761da54360f5bb9dc791e30f

SHA256
ea8d28c6673bf691df108f935628793bcd1eec89a6c53816de544f18e3354b27

SHA512
211be2999c40952ab2cfbdd0c19c261db27b34553a98fe18feb1addf498ae3c46f257a0a23148835ac21cb285130fc332c928e058c5b8b802da1bc1ddacaa14b

Download Submit
C:\Users\Admin\AppData\Local\Temp\RESB873.tmp

Filesize
1KB

MD5
7a507ce50f2086d645eaa4c1b68aa98a

SHA1
f587eb7ff5237d0ca25230622ed2205b1eb33106

SHA256
8c44892d88c6a1cb31b0908af47e46f086b1c09193b31d029e293cc16221f6af

SHA512
cdfe3f31c5c794415ad83488292950770aa7f8cb76ba1c636261125070b5f4531da7de071cd9207ed500ff69950166b1b6634c5cb5d47e788b3fa02e624fbdd6

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpB71B.tmp.exe

Filesize
78KB

MD5
30b66d6d35fdeba6deb58142e36e204d

SHA1
1ebe641f55c2d6d510c3bf27043a99b2d57dec9e

SHA256
5cb56862cede57f5ee5763d78636caa3d2d8dcfcb02a5ae315ce7c6306b9cef1

SHA512
75cd21f2bc5da028f168c8d3d7f38146845744282c81d34049e740194e4bead9620692145870cf7b7ffc41842d39a077a1179555cd2e1ea075065daebb63aa69

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcD0702877D41B4941BB86CC4763ACCD3A.TMP

Filesize
660B

MD5
5e1f2a72c200c982a65a5698104c0170

SHA1
e048c67a1eb8347ba97f1932470e147996a5cb98

SHA256
fcfa4c94188902a0e747b877f98f225f58b0616d8b73bbe5622ec066748a56f9

SHA512
c2853c704e1facc8d8a621e3b36897fd493b2e5448352726e920433e849a9676f65d44cd5b8551e1df14275d36807d92e509129934e4e63c7a3ea39b69084fc3

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

Filesize
62KB

MD5
8fd8e054ba10661e530e54511658ac20

SHA1
72911622012ddf68f95c1e1424894ecb4442e6fd

SHA256
822d92b6f2bd74ba785aa1555b5963c9d7736be1a41241927343dff1caf538d7

SHA512
c14d729a30b055df18cfac5258c30574ca93bd05fb9a86b4be47ed041c7a4ceefa636bf1c2dd0ccd4c922eda785ce80127374fb70f965c1cf7cd323da5c1b24c

Download Submit
memory/880-18-0x0000000075280000-0x0000000075831000-memory.dmp

Filesize
5.7MB

Download
memory/880-9-0x0000000075280000-0x0000000075831000-memory.dmp

Filesize
5.7MB

Download
memory/1780-22-0x0000000075280000-0x0000000075831000-memory.dmp

Filesize
5.7MB

Download
memory/1780-0-0x0000000075282000-0x0000000075283000-memory.dmp

Filesize
4KB

Download
memory/1780-1-0x0000000075280000-0x0000000075831000-memory.dmp

Filesize
5.7MB

Download
memory/1780-2-0x0000000075280000-0x0000000075831000-memory.dmp

Filesize
5.7MB

Download
memory/4856-23-0x0000000075280000-0x0000000075831000-memory.dmp

Filesize
5.7MB

Download
memory/4856-24-0x0000000075280000-0x0000000075831000-memory.dmp

Filesize
5.7MB

Download
memory/4856-26-0x0000000075280000-0x0000000075831000-memory.dmp

Filesize
5.7MB

Download
memory/4856-27-0x0000000075280000-0x0000000075831000-memory.dmp

Filesize
5.7MB

Download
memory/4856-28-0x0000000075280000-0x0000000075831000-memory.dmp

Filesize
5.7MB

Download
memory/4856-29-0x0000000075280000-0x0000000075831000-memory.dmp

Filesize
5.7MB

Download
memory/4856-30-0x0000000075280000-0x0000000075831000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads