urelas | 543d1bd632ab7ebd394dfb729608bdde88c914135aa0da53233533dbff6feb1b

General

Target

543d1bd632ab7ebd394dfb729608bdde88c914135aa0da53233533dbff6feb1bN.exe
Size

57KB
MD5

a855c4e7f2e17073e06cdcf5f837aa40
SHA1

d499a6142283a15dd7a81360bf65d3528b7f99c0
SHA256

543d1bd632ab7ebd394dfb729608bdde88c914135aa0da53233533dbff6feb1b
SHA512

6f400de71df204507a18970b64fcae5b4d7db2a03425a68eebd6ca10358bb4e61398d9f4cc6b47cfe3c49aecbcceaa68629b08e681a38526e2b7e630000d982a
SSDEEP

1536:amZ+4hcuX5uZ79jmvFQTXnz9yQ/PFBhl1k:amZ+luXwy2f9LDhDk

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
1976	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2588	biudfw.exe

Loads dropped DLL 1 IoCs

pid	Process
2084	543d1bd632ab7ebd394dfb729608bdde88c914135aa0da53233533dbff6feb1bN.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	biudfw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	543d1bd632ab7ebd394dfb729608bdde88c914135aa0da53233533dbff6feb1bN.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2084 wrote to memory of 2588	2084	543d1bd632ab7ebd394dfb729608bdde88c914135aa0da53233533dbff6feb1bN.exe	31
PID 2084 wrote to memory of 2588	2084	543d1bd632ab7ebd394dfb729608bdde88c914135aa0da53233533dbff6feb1bN.exe	31
PID 2084 wrote to memory of 2588	2084	543d1bd632ab7ebd394dfb729608bdde88c914135aa0da53233533dbff6feb1bN.exe	31
PID 2084 wrote to memory of 2588	2084	543d1bd632ab7ebd394dfb729608bdde88c914135aa0da53233533dbff6feb1bN.exe	31
PID 2084 wrote to memory of 1976	2084	543d1bd632ab7ebd394dfb729608bdde88c914135aa0da53233533dbff6feb1bN.exe	32
PID 2084 wrote to memory of 1976	2084	543d1bd632ab7ebd394dfb729608bdde88c914135aa0da53233533dbff6feb1bN.exe	32
PID 2084 wrote to memory of 1976	2084	543d1bd632ab7ebd394dfb729608bdde88c914135aa0da53233533dbff6feb1bN.exe	32
PID 2084 wrote to memory of 1976	2084	543d1bd632ab7ebd394dfb729608bdde88c914135aa0da53233533dbff6feb1bN.exe	32

C:\Users\Admin\AppData\Local\Temp\543d1bd632ab7ebd394dfb729608bdde88c914135aa0da53233533dbff6feb1bN.exe
"C:\Users\Admin\AppData\Local\Temp\543d1bd632ab7ebd394dfb729608bdde88c914135aa0da53233533dbff6feb1bN.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2084
- 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:2588
- 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:1976

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\golfinfo.ini

Filesize
512B

MD5
26625b4ca7658f7ba4dc7d982782323c

SHA1
574aa314998c39e683675ccf457b0305341a4aaf

SHA256
c494e0ffeee72023dac244366c08072f677ba328ba805f9e480abc2824e99283

SHA512
5a9af4c6be10240dec0d33b37bc6f6836f1db5d0a2a9dd158d63848a8a97dad68e2d9217aca2b2d1cf122d9534aba0d23b247f6686c4ff934bd7035a927d9b9d

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

Filesize
340B

MD5
6b236f6b5cb7fe21df9fe0a21bbc3b47

SHA1
48671334c3ceb0c23ca6e6aef0f06272f991cad6

SHA256
dc2cba10a7ba8fed367f16025a2ed1e51d25c6070e39c2f13a74fb07dc2c1300

SHA512
ff1d16881563876b0242ba82071017233f2b9d64a916d68abc201736664ebb701a9c19b781289f4867944b248f605a95070741780b0510b34952eac172fec378

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

Filesize
57KB

MD5
71e3169eab4c8b6bb2096ddd4e7c3a34

SHA1
d70ec0a05bee9426c05a34ed39bf94b52e8c7255

SHA256
b9d1c1b538c86d0ff8e76d293d6778173bf15275a3c1f9ce6345292fe4fa703d

SHA512
21de3cac302ced64a312a737f4989906949f8d823f88f0a57d2c0576aac76c9e3673948bb15fa8fdc324acec6856e22487628b52c05ed73b7ee6a475a716079b

Download Submit
memory/2084-0-0x00000000011D0000-0x0000000001202000-memory.dmp

Filesize
200KB

Download
memory/2084-6-0x0000000000A10000-0x0000000000A42000-memory.dmp

Filesize
200KB

Download
memory/2084-18-0x00000000011D0000-0x0000000001202000-memory.dmp

Filesize
200KB

Download
memory/2588-21-0x0000000000BD0000-0x0000000000C02000-memory.dmp

Filesize
200KB

Download
memory/2588-23-0x0000000000BD0000-0x0000000000C02000-memory.dmp

Filesize
200KB

Download
memory/2588-30-0x0000000000BD0000-0x0000000000C02000-memory.dmp

Filesize
200KB

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Analysis

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