urelas | 4c596693a9ef3552bc3a6ab872cec32e4904f6d30e6dfc84713ec0eb21c84f87

General

Target

4c596693a9ef3552bc3a6ab872cec32e4904f6d30e6dfc84713ec0eb21c84f87.exe
Size

109KB
MD5

0d98dfa5f54bc8fb3c6587860609bf98
SHA1

0d2f67f748e69ee62bee2f77ffc40ed984788305
SHA256

4c596693a9ef3552bc3a6ab872cec32e4904f6d30e6dfc84713ec0eb21c84f87
SHA512

42460ee0c20a6a9e0f8ebf716318fd91f077e75016d9475680a736b23ee7bad2010f86f941e476160003fd482d0efd8356adfc5734aa92232727fb7084b3828b
SSDEEP

1536:3JoHHwAnTtIBcNCk+syhonfC3GNKcK7+sWjcd8sWL64TGFjI9g:4tCc+/h0fmSid81L64TGVI9g

Score

10^/10

urelas discovery trojan

Malware Config

Extracted

Family

urelas

C2

218.54.47.76

218.54.47.77

218.54.47.74

Signatures

Urelas
Urelas is a trojan targeting card games.
trojan urelas
Urelas family
urelas

Deletes itself 1 IoCs

pid	Process
3000	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2844	biudfw.exe

Loads dropped DLL 1 IoCs

pid	Process
2892	4c596693a9ef3552bc3a6ab872cec32e4904f6d30e6dfc84713ec0eb21c84f87.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 3 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4c596693a9ef3552bc3a6ab872cec32e4904f6d30e6dfc84713ec0eb21c84f87.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	biudfw.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2892 wrote to memory of 2844	2892	4c596693a9ef3552bc3a6ab872cec32e4904f6d30e6dfc84713ec0eb21c84f87.exe	30
PID 2892 wrote to memory of 2844	2892	4c596693a9ef3552bc3a6ab872cec32e4904f6d30e6dfc84713ec0eb21c84f87.exe	30
PID 2892 wrote to memory of 2844	2892	4c596693a9ef3552bc3a6ab872cec32e4904f6d30e6dfc84713ec0eb21c84f87.exe	30
PID 2892 wrote to memory of 2844	2892	4c596693a9ef3552bc3a6ab872cec32e4904f6d30e6dfc84713ec0eb21c84f87.exe	30
PID 2892 wrote to memory of 3000	2892	4c596693a9ef3552bc3a6ab872cec32e4904f6d30e6dfc84713ec0eb21c84f87.exe	31
PID 2892 wrote to memory of 3000	2892	4c596693a9ef3552bc3a6ab872cec32e4904f6d30e6dfc84713ec0eb21c84f87.exe	31
PID 2892 wrote to memory of 3000	2892	4c596693a9ef3552bc3a6ab872cec32e4904f6d30e6dfc84713ec0eb21c84f87.exe	31
PID 2892 wrote to memory of 3000	2892	4c596693a9ef3552bc3a6ab872cec32e4904f6d30e6dfc84713ec0eb21c84f87.exe	31

C:\Users\Admin\AppData\Local\Temp\4c596693a9ef3552bc3a6ab872cec32e4904f6d30e6dfc84713ec0eb21c84f87.exe
"C:\Users\Admin\AppData\Local\Temp\4c596693a9ef3552bc3a6ab872cec32e4904f6d30e6dfc84713ec0eb21c84f87.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2892
- C:\Users\Admin\AppData\Local\Temp\biudfw.exe
  "C:\Users\Admin\AppData\Local\Temp\biudfw.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2844
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3000

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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\golfinfo.ini

Filesize
512B

MD5
429d29b7501cff75ffd4e7af0b24db41

SHA1
53808fde744d4d65aa2f4c48e8644a65f81be038

SHA256
8076fa1dc4b0ecf16960cc5c92abd9dc5c4542fb7ff92073e8b6a24ba1eea1c7

SHA512
83516d410586a6224af7cfc232b65d36a0e74e8c75264c737c20a9956aec011f1bd6343ad5b573219804cc8f76697a98b287d7117669e9375947fcfe49bd4e07

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

Filesize
338B

MD5
57b7110fe53331ea1f6bf56bbfcac5bc

SHA1
da240e91fc97aa28f3700354f303d1a3f88ea7b0

SHA256
710f16b1727ed7d25b68984d385bd3ab4629aa4f27d8956550088a1827e76861

SHA512
831efd6c353dc7ecc134dc67de5196638197c02d6702891fd9501fba1bc74117830db44b48047491bfdf2d09ac229ef7a59ee232714b3e63294b5da008306883

Download Submit
\Users\Admin\AppData\Local\Temp\biudfw.exe

Filesize
109KB

MD5
67192e7d49cd1d3242d715700bd38c5f

SHA1
f5675fe41c6dcb88994a93ac2eb2c1e5e4940d5d

SHA256
52845bd255cb9493f2f07c5dfb264ccfc6fa3c089ee582785fe8d8dd1bd4db3e

SHA512
ddefee3d9269b3da84551e4eea2be35c2c6798799fd4469d93ad6640cd81b21dc3a2db9dcf758184335a204be1ea4eaebd47ba1c288396e2d4fe7b6c2e1e4850

Download Submit
memory/2844-20-0x0000000000060000-0x0000000000084000-memory.dmp

Filesize
144KB

Download
memory/2844-21-0x0000000000060000-0x0000000000084000-memory.dmp

Filesize
144KB

Download
memory/2892-0-0x0000000000880000-0x00000000008A4000-memory.dmp

Filesize
144KB

Download
memory/2892-6-0x0000000001D90000-0x0000000001DB4000-memory.dmp

Filesize
144KB

Download
memory/2892-17-0x0000000000880000-0x00000000008A4000-memory.dmp

Filesize
144KB

Download

Analysis

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