urelas | ab4044f4810ffe851981d6e5d2e9ee27b03bfd166e20c7a5cd74e454021dd5ec

General

Target

ab4044f4810ffe851981d6e5d2e9ee27b03bfd166e20c7a5cd74e454021dd5ecN.exe
Size

136KB
MD5

da2fe9969f2ba1d2773b88a6bb854b00
SHA1

5029bb792b60d969a5a6e75e8edd002c0bbbc9f1
SHA256

ab4044f4810ffe851981d6e5d2e9ee27b03bfd166e20c7a5cd74e454021dd5ec
SHA512

bb74bb5f98dbf0e0e6848b7e4319434507fd5e3475e52df9a4e1cb681951400af651d2d198a9dafe599a678e7c067a41269ea4b3230f75a93e2fa5e1d9eca95f
SSDEEP

1536:P/oEkqfCZ10zcT9Yh8AIXcjyz9cOXfiXGImcatMrsWjcdf6odgR5APfIh:P/5kqCxiXEcO3XfGf2tMUf6odgR5A4h

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
2900	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
372	biudfw.exe

Loads dropped DLL 1 IoCs

pid	Process
2808	ab4044f4810ffe851981d6e5d2e9ee27b03bfd166e20c7a5cd74e454021dd5ecN.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	ab4044f4810ffe851981d6e5d2e9ee27b03bfd166e20c7a5cd74e454021dd5ecN.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2808 wrote to memory of 372	2808	ab4044f4810ffe851981d6e5d2e9ee27b03bfd166e20c7a5cd74e454021dd5ecN.exe	30
PID 2808 wrote to memory of 372	2808	ab4044f4810ffe851981d6e5d2e9ee27b03bfd166e20c7a5cd74e454021dd5ecN.exe	30
PID 2808 wrote to memory of 372	2808	ab4044f4810ffe851981d6e5d2e9ee27b03bfd166e20c7a5cd74e454021dd5ecN.exe	30
PID 2808 wrote to memory of 372	2808	ab4044f4810ffe851981d6e5d2e9ee27b03bfd166e20c7a5cd74e454021dd5ecN.exe	30
PID 2808 wrote to memory of 2900	2808	ab4044f4810ffe851981d6e5d2e9ee27b03bfd166e20c7a5cd74e454021dd5ecN.exe	31
PID 2808 wrote to memory of 2900	2808	ab4044f4810ffe851981d6e5d2e9ee27b03bfd166e20c7a5cd74e454021dd5ecN.exe	31
PID 2808 wrote to memory of 2900	2808	ab4044f4810ffe851981d6e5d2e9ee27b03bfd166e20c7a5cd74e454021dd5ecN.exe	31
PID 2808 wrote to memory of 2900	2808	ab4044f4810ffe851981d6e5d2e9ee27b03bfd166e20c7a5cd74e454021dd5ecN.exe	31

C:\Users\Admin\AppData\Local\Temp\ab4044f4810ffe851981d6e5d2e9ee27b03bfd166e20c7a5cd74e454021dd5ecN.exe
"C:\Users\Admin\AppData\Local\Temp\ab4044f4810ffe851981d6e5d2e9ee27b03bfd166e20c7a5cd74e454021dd5ecN.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2808
- 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:372
- 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:2900

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
a6709a98d02bca4a7a28acd34b19dff7

SHA1
8d3033337da56879feb4a88efe75e8c7a203303e

SHA256
7e10f61899e20ede08faf2500ac46881aaeff68ba3d9e712ebd3c8e277f0eff4

SHA512
9e55cc3ce369cba6bf4f280c431f1c35a4f881de7cd1187b62bd6212a663b5357b61d65aaee0cc1fb8765e5d575584fbd6ff42684aa93ddc19f295b448d50edc

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

Filesize
136KB

MD5
8c4a199906de8d991f8a652dd0add1f0

SHA1
a4eed4d4cf900320be96ab27a8ea1a468179d0d9

SHA256
888af441737013d7c1fe882666d4d9987e55a71efe9e1884ca082d81d01fbb5b

SHA512
df56669bc23874dacc42191acf6ccf41db1ad741410419cc591d05556eef01e75946592ffabbbafb4f5ed1072039eaf4ca4f29e32f5efc614cda39013f9d1208

Download Submit
memory/372-20-0x00000000001D0000-0x00000000001F7000-memory.dmp

Filesize
156KB

Download
memory/372-21-0x00000000001D0000-0x00000000001F7000-memory.dmp

Filesize
156KB

Download
memory/2808-0-0x0000000000850000-0x0000000000877000-memory.dmp

Filesize
156KB

Download
memory/2808-6-0x00000000002F0000-0x0000000000317000-memory.dmp

Filesize
156KB

Download
memory/2808-17-0x0000000000850000-0x0000000000877000-memory.dmp

Filesize
156KB

Download

Analysis

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