00720cc98eefb3d9f03600abfd3ebe6bc923a4f920d3990e121a957c4f090b93

General

Target

2E55708A4D3F97B3131EE5ADF5C05EFA.exe
Size

68KB
MD5

2e55708a4d3f97b3131ee5adf5c05efa
SHA1

fe58bb9f710c983ecc5b30f653b8ef4ed71311de
SHA256

00720cc98eefb3d9f03600abfd3ebe6bc923a4f920d3990e121a957c4f090b93
SHA512

725d442eda167f3f4cff41b5039201a4d718fd14013f2b13bd3b156f221f2a3e3c5c8806dcc1a5734e292c3904d3d863803f29330cffd562adead3bbbcd3fe7e
SSDEEP

384:XFLkkmlPu9GtKHK3Qh2Klokrb/8Lz53/Afiylab4i7TOTU0lOKV4n6MO:XJLmlmGtKHKtK6krYLVvAfzlY7TOvvG

Score

7^/10

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-1-5-21-3125601242-331447593-1512828465-1000\Control Panel\International\Geo\Nation	2E55708A4D3F97B3131EE5ADF5C05EFA.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Ë®Ó¡±êÇ©ÏµÍ³.lnk	2E55708A4D3F97B3131EE5ADF5C05EFA.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Ë®Ó¡±êÇ©ÏµÍ³.lnk	resvr.exe

Executes dropped EXE 1 IoCs

pid	Process
4220	resvr.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Common Files\Microsoft Shared\Index.dat	2E55708A4D3F97B3131EE5ADF5C05EFA.exe
File created	C:\Program Files (x86)\Common Files\Microsoft Shared\resvr.exe	2E55708A4D3F97B3131EE5ADF5C05EFA.exe
File opened for modification	C:\Program Files (x86)\Common Files\Microsoft Shared\resvr.exe	2E55708A4D3F97B3131EE5ADF5C05EFA.exe
File opened for modification	C:\Program Files (x86)\Common Files\Microsoft Shared\Index.dat	resvr.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	2E55708A4D3F97B3131EE5ADF5C05EFA.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1332 wrote to memory of 4220	1332	2E55708A4D3F97B3131EE5ADF5C05EFA.exe	93
PID 1332 wrote to memory of 4220	1332	2E55708A4D3F97B3131EE5ADF5C05EFA.exe	93
PID 1332 wrote to memory of 4220	1332	2E55708A4D3F97B3131EE5ADF5C05EFA.exe	93
PID 1332 wrote to memory of 4420	1332	2E55708A4D3F97B3131EE5ADF5C05EFA.exe	94
PID 1332 wrote to memory of 4420	1332	2E55708A4D3F97B3131EE5ADF5C05EFA.exe	94
PID 1332 wrote to memory of 4420	1332	2E55708A4D3F97B3131EE5ADF5C05EFA.exe	94

C:\Users\Admin\AppData\Local\Temp\2E55708A4D3F97B3131EE5ADF5C05EFA.exe
"C:\Users\Admin\AppData\Local\Temp\2E55708A4D3F97B3131EE5ADF5C05EFA.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Drops file in Program Files directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1332
- C:\Program Files (x86)\Common Files\Microsoft Shared\resvr.exe
  "C:\Program Files (x86)\Common Files\Microsoft Shared\resvr.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Drops file in Program Files directory
  PID:4220
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\X.bat" "
  2⤵
  PID:4420

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\Common Files\Microsoft Shared\resvr.exe

Filesize
68KB

MD5
2e55708a4d3f97b3131ee5adf5c05efa

SHA1
fe58bb9f710c983ecc5b30f653b8ef4ed71311de

SHA256
00720cc98eefb3d9f03600abfd3ebe6bc923a4f920d3990e121a957c4f090b93

SHA512
725d442eda167f3f4cff41b5039201a4d718fd14013f2b13bd3b156f221f2a3e3c5c8806dcc1a5734e292c3904d3d863803f29330cffd562adead3bbbcd3fe7e

Download Submit
C:\Program Files (x86)\Common Files\Microsoft Shared\resvr.exe

Filesize
68KB

MD5
2e55708a4d3f97b3131ee5adf5c05efa

SHA1
fe58bb9f710c983ecc5b30f653b8ef4ed71311de

SHA256
00720cc98eefb3d9f03600abfd3ebe6bc923a4f920d3990e121a957c4f090b93

SHA512
725d442eda167f3f4cff41b5039201a4d718fd14013f2b13bd3b156f221f2a3e3c5c8806dcc1a5734e292c3904d3d863803f29330cffd562adead3bbbcd3fe7e

Download Submit
C:\Program Files (x86)\Common Files\Microsoft Shared\resvr.exe

Filesize
68KB

MD5
2e55708a4d3f97b3131ee5adf5c05efa

SHA1
fe58bb9f710c983ecc5b30f653b8ef4ed71311de

SHA256
00720cc98eefb3d9f03600abfd3ebe6bc923a4f920d3990e121a957c4f090b93

SHA512
725d442eda167f3f4cff41b5039201a4d718fd14013f2b13bd3b156f221f2a3e3c5c8806dcc1a5734e292c3904d3d863803f29330cffd562adead3bbbcd3fe7e

Download Submit
C:\Users\Admin\AppData\Local\Temp\X.bat

Filesize
210B

MD5
f0f173c12a641c2aaf750095e28b1ac7

SHA1
ae9b4765701b55dab44804a972eead916cec514a

SHA256
d4a3585fa7b212c2c4df3ed66b6711f125606516dba9bdadf7efceea0d278c1e

SHA512
ae1d6606da83ec9308c5be069896e2a05ff933bd85d529cc252bfbd042f42349e5a1d52e1e58f409a1a8d46550ee283f8bbef128227ac664b726389f09ed16f8

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Ë®Ó¡±êÇ©ÏµÍ³.lnk

Filesize
2KB

MD5
067251cef932f8dd6bb417dcdf46079e

SHA1
864dbe4b742fc4d03dc355cb35973c82efb71e1e

SHA256
758e1c7220498beb2d4d1f837f4811a8790f3275a7ee28011bb3b275045a2d90

SHA512
19a4f023cb6a494b016c5d60eb122df3f7e270931293aae90cea2f7935921aaa1330681886270f4a76e65d03327d34ff7f411677a184047c8829fc11d4ee66f5

Download Submit
memory/1332-0-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1332-4-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4220-70-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download

Analysis

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