urelas | 512b4841312b0df1fbbfacb0340330de82f46ea4e1e92d7dc89871f138ec5892

General

Target

512b4841312b0df1fbbfacb0340330de82f46ea4e1e92d7dc89871f138ec5892N.exe
Size

140KB
MD5

cd314479dfad507b53e41939db3c2da0
SHA1

d536934b9eec4baacb72dac49cf9bb8ab29127a3
SHA256

512b4841312b0df1fbbfacb0340330de82f46ea4e1e92d7dc89871f138ec5892
SHA512

7728722fd804d690941c0dc129a2c940f8c92035d079985b5eedba06d9a2d2c6c95d7b59c055c0e057d6160a43a801c7f0e6c4c8ce38c6f9ea6ddc8a76f29f30
SSDEEP

1536:P/oEkqfCZ10zcT9Yh8AIXcjyz9cOXfiXGImcatMrsWjcdf6odgR5APfI4:P/5kqCxiXEcO3XfGf2tMUf6odgR5A44

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
1828	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2512	biudfw.exe

Loads dropped DLL 1 IoCs

pid	Process
1268	512b4841312b0df1fbbfacb0340330de82f46ea4e1e92d7dc89871f138ec5892N.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	512b4841312b0df1fbbfacb0340330de82f46ea4e1e92d7dc89871f138ec5892N.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 1268 wrote to memory of 2512	1268	512b4841312b0df1fbbfacb0340330de82f46ea4e1e92d7dc89871f138ec5892N.exe	31
PID 1268 wrote to memory of 2512	1268	512b4841312b0df1fbbfacb0340330de82f46ea4e1e92d7dc89871f138ec5892N.exe	31
PID 1268 wrote to memory of 2512	1268	512b4841312b0df1fbbfacb0340330de82f46ea4e1e92d7dc89871f138ec5892N.exe	31
PID 1268 wrote to memory of 2512	1268	512b4841312b0df1fbbfacb0340330de82f46ea4e1e92d7dc89871f138ec5892N.exe	31
PID 1268 wrote to memory of 1828	1268	512b4841312b0df1fbbfacb0340330de82f46ea4e1e92d7dc89871f138ec5892N.exe	32
PID 1268 wrote to memory of 1828	1268	512b4841312b0df1fbbfacb0340330de82f46ea4e1e92d7dc89871f138ec5892N.exe	32
PID 1268 wrote to memory of 1828	1268	512b4841312b0df1fbbfacb0340330de82f46ea4e1e92d7dc89871f138ec5892N.exe	32
PID 1268 wrote to memory of 1828	1268	512b4841312b0df1fbbfacb0340330de82f46ea4e1e92d7dc89871f138ec5892N.exe	32

C:\Users\Admin\AppData\Local\Temp\512b4841312b0df1fbbfacb0340330de82f46ea4e1e92d7dc89871f138ec5892N.exe
"C:\Users\Admin\AppData\Local\Temp\512b4841312b0df1fbbfacb0340330de82f46ea4e1e92d7dc89871f138ec5892N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1268
- 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:2512
- 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:1828

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
0ecda9ecaa423d5a8481985b7d3d5a77

SHA1
ecc237c20c234cf9c0e20b39a39ab27244dc7971

SHA256
caed69520592602de846673610507a47e22e0fb108e8e88ba1a85b314607f0a9

SHA512
82ce4bfc411781d187b6151383064f18e22b37f5f03d783476fed1c8ba74ee38dc74b16badf96961e22d6b63ae31425ae785c17fa3bd5d767ae3b0bd9652fe3a

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

Filesize
340B

MD5
406d69d196b1c132724ca1576ae4154e

SHA1
a687093a09a7184dc51111828b2ba5e37d7d27dd

SHA256
a7115287e50807adad33a39db73a11e7faf5e62aeda9b6c38c071a852daad3a0

SHA512
16be5940cf964b0c22a0e2ddc9895a3b1cb4ee2abf64defebc41c9c448bc92bc56c1f230d89ae3b82482cea2c1797fe5f5ad7ac0bbd2fd0aca5c96995e13bfd3

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

Filesize
140KB

MD5
5db5826877cdd8145afafe420b5ac75a

SHA1
f2b1e9a3b805c55009911619e924d1a347fa0331

SHA256
36c8252ba686893b2b521a86ebfa02062c8261cd23cc775935e2639bb3727dda

SHA512
bda651adec7adcf48ffbc36b9f35da426261cbf5bc349895ea7bc3b621c1580bbdab421e8fdb51a59a3b7c4b40d7d623d8dc52dcf21bfb52dfff6f81b77d5b3b

Download Submit
memory/1268-0-0x0000000000F70000-0x0000000000F97000-memory.dmp

Filesize
156KB

Download
memory/1268-6-0x0000000000B60000-0x0000000000B87000-memory.dmp

Filesize
156KB

Download
memory/1268-17-0x0000000000F70000-0x0000000000F97000-memory.dmp

Filesize
156KB

Download
memory/2512-20-0x00000000002D0000-0x00000000002F7000-memory.dmp

Filesize
156KB

Download
memory/2512-21-0x00000000002D0000-0x00000000002F7000-memory.dmp

Filesize
156KB

Download

Analysis

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