37d858dec41f772cb738ea43d2757f32331084e8e76c46c4eb475a1b23254317

General

Target

37d858dec41f772cb738ea43d2757f32331084e8e76c46c4eb475a1b23254317.exe
Size

78KB
MD5

94aa56de2a40839fcd86450b31deafac
SHA1

b761513b32928cb7fdcf7877d9add4642ded0a49
SHA256

37d858dec41f772cb738ea43d2757f32331084e8e76c46c4eb475a1b23254317
SHA512

cc89b81449272c58982291e3c13a278b4178d7db441dd38e8ca030b2a282150c73e0d71c4928e1e0ee8fb22203d1dbd2be012a6abf640e8fe8e6c0ddd0f4a705
SSDEEP

1536:C4V5jULT8hn2Ep7WzPdVj6Ju8B3AZ242UdIAkD4x3HT4hPVoYdVQtt6Vs9/e1Wpb:C4V5jiE2EwR4uY41HyvY+s9/Bb

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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	37d858dec41f772cb738ea43d2757f32331084e8e76c46c4eb475a1b23254317.exe

Executes dropped EXE 1 IoCs

pid	Process
3504	tmpAD57.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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\mscorsvc = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\sortkey.exe\""	tmpAD57.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	37d858dec41f772cb738ea43d2757f32331084e8e76c46c4eb475a1b23254317.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	tmpAD57.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3668	37d858dec41f772cb738ea43d2757f32331084e8e76c46c4eb475a1b23254317.exe
Token: SeDebugPrivilege	3504	tmpAD57.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3668 wrote to memory of 3516	3668	37d858dec41f772cb738ea43d2757f32331084e8e76c46c4eb475a1b23254317.exe	83
PID 3668 wrote to memory of 3516	3668	37d858dec41f772cb738ea43d2757f32331084e8e76c46c4eb475a1b23254317.exe	83
PID 3668 wrote to memory of 3516	3668	37d858dec41f772cb738ea43d2757f32331084e8e76c46c4eb475a1b23254317.exe	83
PID 3516 wrote to memory of 1452	3516	vbc.exe	85
PID 3516 wrote to memory of 1452	3516	vbc.exe	85
PID 3516 wrote to memory of 1452	3516	vbc.exe	85
PID 3668 wrote to memory of 3504	3668	37d858dec41f772cb738ea43d2757f32331084e8e76c46c4eb475a1b23254317.exe	86
PID 3668 wrote to memory of 3504	3668	37d858dec41f772cb738ea43d2757f32331084e8e76c46c4eb475a1b23254317.exe	86
PID 3668 wrote to memory of 3504	3668	37d858dec41f772cb738ea43d2757f32331084e8e76c46c4eb475a1b23254317.exe	86

C:\Users\Admin\AppData\Local\Temp\37d858dec41f772cb738ea43d2757f32331084e8e76c46c4eb475a1b23254317.exe
"C:\Users\Admin\AppData\Local\Temp\37d858dec41f772cb738ea43d2757f32331084e8e76c46c4eb475a1b23254317.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3668
- 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\o-vru4fh.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3516
- - 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\RESAFD7.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcF9C53F0225DB495B8A4FB9130C7A697.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1452
- C:\Users\Admin\AppData\Local\Temp\tmpAD57.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpAD57.tmp.exe" C:\Users\Admin\AppData\Local\Temp\37d858dec41f772cb738ea43d2757f32331084e8e76c46c4eb475a1b23254317.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3504

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\RESAFD7.tmp

Filesize
1KB

MD5
656468eb9db842e9d4c58e98c5a8a0f7

SHA1
7ac6a4edac9165f2799c74b758caa5409acd9f19

SHA256
4cf110d4291d0c42f81a31a9cbd2ec0eccdc3cead83d4e42bcf29911352aa975

SHA512
d001acd443a1b1038e15ea56b4bf5d4069d6f36a98a208e63310d54eaac453127f732030fdc7524bb00ea9590445e64ea7d19f76c4f4573db054825b1102956a

Download Submit
C:\Users\Admin\AppData\Local\Temp\o-vru4fh.0.vb

Filesize
14KB

MD5
f1e8a5b55c170f3497b2357a0ee28a1e

SHA1
1a056bd631fda5080cedcddad8173ba93315f93e

SHA256
0e2cb02e82481defdd46952214863f880c6e06eca37ab3d603748cb8d4dc7971

SHA512
01e85d719fcfe7611b27e7d90187465fb955336c61c4130a07f7f7d3e4ee5be712568078a1b99b05bcd17cf1182cdb6d2c7bb52395b672cd9f1d4301f2c5f245

Download Submit
C:\Users\Admin\AppData\Local\Temp\o-vru4fh.cmdline

Filesize
266B

MD5
79d89fa5e9f3e4706e86af4f819f31b6

SHA1
163130a72ed41b2ab936e415489a466d776f0671

SHA256
3d40b1478207a9f372becce48b9de6d1aba2aaba5b593cec138dfd2ab9f442de

SHA512
3493f1612122c803bf9f35c3b503a42a2b107b73f0100d8296bcc5e0f1b6d8e51aa776dcc6d3e61cf683635f24c7369b8a6d4147e060f0179fde8bcba5847a15

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpAD57.tmp.exe

Filesize
78KB

MD5
b02cad98a5639175509ecca2119a4900

SHA1
73b8bbe91a60a4ef35f098fc68311d9aa316b95b

SHA256
64eddf68429ec97f1e4cc406cc881b3b63906dd3223ddce3f98b7c11aa324c3f

SHA512
4e929644ececa484b13ec63754371125dde9a6a05088e9917c1ddbc1e7e4c8771cdc61364fd3935cac82c3ace69a1857c8d6b411086ff1e7e802b405fe4234b5

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcF9C53F0225DB495B8A4FB9130C7A697.TMP

Filesize
660B

MD5
76e7848c5cb28c9e0514d5e4cca7895c

SHA1
8cc61e8ea5da1538895f98caaca364b4ad4f82b5

SHA256
2f669020c8187e11f2529f484e61d6e78a666d8df7c6295fb72438392c456986

SHA512
26f0dc16e30b9aad75802b2dceb8e9821c31eca57055468391448fae449a3994a3bf10969af3f2139436ac9ad2c29dd6cde869d9df852f92988bd7922c96240b

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

Filesize
62KB

MD5
6870a276e0bed6dd5394d178156ebad0

SHA1
9b6005e5771bb4afb93a8862b54fe77dc4d203ee

SHA256
69db906941dec2a7f1748ea1d15a058751c77d851ce54ea9e2ebdf1d6c7ed4f4

SHA512
3b6f412d4bdf0939677ab6890a6417da6f737376e13375d2a60871de195aa14344b8340d254b819c850d75a443629cbf26f35533e07aaba9532fdc5284132809

Download Submit
memory/3504-25-0x0000000074A20000-0x0000000074FD1000-memory.dmp

Filesize
5.7MB

Download
memory/3504-23-0x0000000074A20000-0x0000000074FD1000-memory.dmp

Filesize
5.7MB

Download
memory/3504-24-0x0000000074A20000-0x0000000074FD1000-memory.dmp

Filesize
5.7MB

Download
memory/3504-27-0x0000000074A20000-0x0000000074FD1000-memory.dmp

Filesize
5.7MB

Download
memory/3504-28-0x0000000074A20000-0x0000000074FD1000-memory.dmp

Filesize
5.7MB

Download
memory/3504-29-0x0000000074A20000-0x0000000074FD1000-memory.dmp

Filesize
5.7MB

Download
memory/3516-18-0x0000000074A20000-0x0000000074FD1000-memory.dmp

Filesize
5.7MB

Download
memory/3516-9-0x0000000074A20000-0x0000000074FD1000-memory.dmp

Filesize
5.7MB

Download
memory/3668-0-0x0000000074A22000-0x0000000074A23000-memory.dmp

Filesize
4KB

Download
memory/3668-22-0x0000000074A20000-0x0000000074FD1000-memory.dmp

Filesize
5.7MB

Download
memory/3668-1-0x0000000074A20000-0x0000000074FD1000-memory.dmp

Filesize
5.7MB

Download
memory/3668-2-0x0000000074A20000-0x0000000074FD1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads