urelas | 3bb9730d1ef76efb2a9d2b60e67b0d55a126bc487a77f339d7503c30f63b0cf2

General

Target

3bb9730d1ef76efb2a9d2b60e67b0d55a126bc487a77f339d7503c30f63b0cf2N.exe
Size

138KB
MD5

6490cbf8f2cbdc24b11a678920398c10
SHA1

b2c744cd46c377932eb1d17c7dd76c9cbc40a207
SHA256

3bb9730d1ef76efb2a9d2b60e67b0d55a126bc487a77f339d7503c30f63b0cf2
SHA512

e5857ead1c45f51d67678b22b599e43c03df8728ef2e9907441b964a6faa08961ba25132e8a03cc60a2e568cbb653339bd2dcc2a84903d62f9d0f09db3a5a12d
SSDEEP

1536:7GnrJLwAXDtIBcUyk+8CooNvy3GNbcq7+sWjcdmx64Tc/qmrk:CtpCP+/oGvWSldmx64Tc/qmA

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
740	biudfw.exe

Loads dropped DLL 1 IoCs

pid	Process
1084	3bb9730d1ef76efb2a9d2b60e67b0d55a126bc487a77f339d7503c30f63b0cf2N.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	3bb9730d1ef76efb2a9d2b60e67b0d55a126bc487a77f339d7503c30f63b0cf2N.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 1084 wrote to memory of 740	1084	3bb9730d1ef76efb2a9d2b60e67b0d55a126bc487a77f339d7503c30f63b0cf2N.exe	30
PID 1084 wrote to memory of 740	1084	3bb9730d1ef76efb2a9d2b60e67b0d55a126bc487a77f339d7503c30f63b0cf2N.exe	30
PID 1084 wrote to memory of 740	1084	3bb9730d1ef76efb2a9d2b60e67b0d55a126bc487a77f339d7503c30f63b0cf2N.exe	30
PID 1084 wrote to memory of 740	1084	3bb9730d1ef76efb2a9d2b60e67b0d55a126bc487a77f339d7503c30f63b0cf2N.exe	30
PID 1084 wrote to memory of 3000	1084	3bb9730d1ef76efb2a9d2b60e67b0d55a126bc487a77f339d7503c30f63b0cf2N.exe	31
PID 1084 wrote to memory of 3000	1084	3bb9730d1ef76efb2a9d2b60e67b0d55a126bc487a77f339d7503c30f63b0cf2N.exe	31
PID 1084 wrote to memory of 3000	1084	3bb9730d1ef76efb2a9d2b60e67b0d55a126bc487a77f339d7503c30f63b0cf2N.exe	31
PID 1084 wrote to memory of 3000	1084	3bb9730d1ef76efb2a9d2b60e67b0d55a126bc487a77f339d7503c30f63b0cf2N.exe	31

C:\Users\Admin\AppData\Local\Temp\3bb9730d1ef76efb2a9d2b60e67b0d55a126bc487a77f339d7503c30f63b0cf2N.exe
"C:\Users\Admin\AppData\Local\Temp\3bb9730d1ef76efb2a9d2b60e67b0d55a126bc487a77f339d7503c30f63b0cf2N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1084
- 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:740
- 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

Loading Replay Monitor...

Downloads

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

Filesize
512B

MD5
7c1d9e0f564b1e893792dcef5f902a27

SHA1
f8ff96c98d41f1ce0a31d78f56796284c5e47e3d

SHA256
c0b7315aed511cab0685b0bbbcfa2cb7f3e9c36e58f6d7f1576fad807800add7

SHA512
ef6a5eccec808909c7317359908b6cb46e8e074aff903114988b00a237180606257545bd36e5cea9521b13ba19923cd768a3d701f7fdf391a4bd41cdec606fba

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

Filesize
340B

MD5
20193d6e5f55580e8f3d7586216d246b

SHA1
54b534eaf699a1575ee60f823469c4a99e7d8c9b

SHA256
66745c9b0a8ae46364319dc7a216609792e754f68b561f92917380b0872862d1

SHA512
15df75cfd706dd76f3022bad0b47077793d9b2ed76f078825d86bcdbde6a455b13aa0841e7ffc7d549feff5147b7c282c8df2f53c253e849da90755eee40d3ca

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

Filesize
138KB

MD5
889b056d1c847a01082077bd2132a471

SHA1
cec4611fb0dc67039581398b4224a3cdcb8430c9

SHA256
de9770ab7b92954326890444ca2eb9efa7d1548d6f09459f37b728e9f365a7e2

SHA512
de2db3b00b87aa67bfde46ef0a09de1fe62a9d206f591deeeb9421056997fce9c8797629b22d07ca6f1e3373abd1cd5f71e9666f281176a85eba215b4dcb4f9f

Download Submit
memory/740-10-0x0000000000CB0000-0x0000000000CD8000-memory.dmp

Filesize
160KB

Download
memory/740-21-0x0000000000CB0000-0x0000000000CD8000-memory.dmp

Filesize
160KB

Download
memory/740-22-0x0000000000CB0000-0x0000000000CD8000-memory.dmp

Filesize
160KB

Download
memory/1084-0-0x0000000000040000-0x0000000000068000-memory.dmp

Filesize
160KB

Download
memory/1084-6-0x00000000002C0000-0x00000000002E8000-memory.dmp

Filesize
160KB

Download
memory/1084-18-0x0000000000040000-0x0000000000068000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing