urelas | df5821beb6f7775c2cf90f09411dbf8bc38346f11b118a42a10d31a5d1591ec1

General

Target

df5821beb6f7775c2cf90f09411dbf8bc38346f11b118a42a10d31a5d1591ec1.exe
Size

67KB
MD5

20fa9fe9bd77569db6756eb0666c7460
SHA1

5324425f6f6ec6d93b7660a1499f2d1085aa0129
SHA256

df5821beb6f7775c2cf90f09411dbf8bc38346f11b118a42a10d31a5d1591ec1
SHA512

58d86059a581e69815b4fa63b67c7ce5b1a15e02039071539abbd4b02d60255d8ac1874e294a18565190cfb4bd50eaf19b4aefedb47dd1e28d910601845bf322
SSDEEP

1536:v6fqsAPQYGmPzmZDDZrV8sMQXGkfn33n7z5WeIuhCarec:yLAYUzmdD0sMQl7d7IuhCaic

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

Deletes itself 1 IoCs

pid	Process
2560	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2548	biudfw.exe

Loads dropped DLL 1 IoCs

pid	Process
2000	df5821beb6f7775c2cf90f09411dbf8bc38346f11b118a42a10d31a5d1591ec1.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	df5821beb6f7775c2cf90f09411dbf8bc38346f11b118a42a10d31a5d1591ec1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	biudfw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2000 wrote to memory of 2548	2000	df5821beb6f7775c2cf90f09411dbf8bc38346f11b118a42a10d31a5d1591ec1.exe	30
PID 2000 wrote to memory of 2548	2000	df5821beb6f7775c2cf90f09411dbf8bc38346f11b118a42a10d31a5d1591ec1.exe	30
PID 2000 wrote to memory of 2548	2000	df5821beb6f7775c2cf90f09411dbf8bc38346f11b118a42a10d31a5d1591ec1.exe	30
PID 2000 wrote to memory of 2548	2000	df5821beb6f7775c2cf90f09411dbf8bc38346f11b118a42a10d31a5d1591ec1.exe	30
PID 2000 wrote to memory of 2560	2000	df5821beb6f7775c2cf90f09411dbf8bc38346f11b118a42a10d31a5d1591ec1.exe	31
PID 2000 wrote to memory of 2560	2000	df5821beb6f7775c2cf90f09411dbf8bc38346f11b118a42a10d31a5d1591ec1.exe	31
PID 2000 wrote to memory of 2560	2000	df5821beb6f7775c2cf90f09411dbf8bc38346f11b118a42a10d31a5d1591ec1.exe	31
PID 2000 wrote to memory of 2560	2000	df5821beb6f7775c2cf90f09411dbf8bc38346f11b118a42a10d31a5d1591ec1.exe	31

C:\Users\Admin\AppData\Local\Temp\df5821beb6f7775c2cf90f09411dbf8bc38346f11b118a42a10d31a5d1591ec1.exe
"C:\Users\Admin\AppData\Local\Temp\df5821beb6f7775c2cf90f09411dbf8bc38346f11b118a42a10d31a5d1591ec1.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2000
- 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:2548
- 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:2560

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
1c9b2720af0ca9528b47898d9c7f4799

SHA1
80495f16e333f54ecc700252323c2a7cb7d751e1

SHA256
d1ea9a17b5a635a121e82e7963d3b134f74050da9debcd40c9622f50c5d38fe5

SHA512
5afe876f2cd887458656b1747bce08d03f26ef286bcc83efa93e0111be856d0564bee4d6ef5637c167626bac121f7371b69c7952502d47784ac9ad568bf53eac

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

Filesize
338B

MD5
2de2a6507b8c279b053fcf5fd2c42989

SHA1
422b4b0e2f2235468290e4046e6e535d3d94a1eb

SHA256
e3ce7eb08743adade301e52c731aa299a69c575a919d97c6972ec25e421aefa0

SHA512
f55f1ce902fac21a9eec3c41a7ea4f7ee42e51aaebb33c3441593c1b58d67ac3a8c0190bc144f3731e1ad06c394da20f6eea7e80b8bcaf57ac1ad524c235a78a

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

Filesize
67KB

MD5
36d4346310add7fa9b1512a6dfd8bcb1

SHA1
f706bbd40d7475c942c53cdcaa00c173650f4f40

SHA256
cc4584903f0cc5fbed5d652d8e67b51ed826972ed6297d7be340099bfd5bbb2f

SHA512
0add0ce5ffd14afb3cda00f7a710676e0bc749ca49ed0a0117efdb7c80779efe24623ff0592318d96e3e8aaf7f156cb1437933edbdc6a892c0859e1baf47370c

Download Submit
memory/2000-0-0x00000000012B0000-0x00000000012D7000-memory.dmp

Filesize
156KB

Download
memory/2000-8-0x0000000000540000-0x0000000000567000-memory.dmp

Filesize
156KB

Download
memory/2000-19-0x00000000012B0000-0x00000000012D7000-memory.dmp

Filesize
156KB

Download
memory/2548-10-0x00000000001A0000-0x00000000001C7000-memory.dmp

Filesize
156KB

Download
memory/2548-22-0x00000000001A0000-0x00000000001C7000-memory.dmp

Filesize
156KB

Download
memory/2548-24-0x00000000001A0000-0x00000000001C7000-memory.dmp

Filesize
156KB

Download
memory/2548-30-0x00000000001A0000-0x00000000001C7000-memory.dmp

Filesize
156KB

Download

Analysis

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