urelas | c58a54e493ed28635efc5218a3830a3ce759603e7e9ab3a15b625b51281179ee

General

Target

c58a54e493ed28635efc5218a3830a3ce759603e7e9ab3a15b625b51281179eeN.exe
Size

169KB
MD5

547433b1c994e7537f4849297fcca790
SHA1

d7c44fbca8f6516b04243c11936ad08a4067cdaf
SHA256

c58a54e493ed28635efc5218a3830a3ce759603e7e9ab3a15b625b51281179ee
SHA512

6ecc131cbef5c3af4022e7cbf01e951f7bcb6808445e88c5f2f5b5d1bc9e57784dfe2b6487d90b6b9ace6b5482822c0514ee82b383eddf980fbebaa7408dc78d
SSDEEP

3072:yp56zRJ83+OJ7NoGvdwWy6k04yW/KR0Yx4BXPC:yOzRWu27dlOd5/YWVK

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
2648	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
1664	biudfw.exe

Loads dropped DLL 1 IoCs

pid	Process
2172	c58a54e493ed28635efc5218a3830a3ce759603e7e9ab3a15b625b51281179eeN.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	c58a54e493ed28635efc5218a3830a3ce759603e7e9ab3a15b625b51281179eeN.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 2172 wrote to memory of 1664	2172	c58a54e493ed28635efc5218a3830a3ce759603e7e9ab3a15b625b51281179eeN.exe	29
PID 2172 wrote to memory of 1664	2172	c58a54e493ed28635efc5218a3830a3ce759603e7e9ab3a15b625b51281179eeN.exe	29
PID 2172 wrote to memory of 1664	2172	c58a54e493ed28635efc5218a3830a3ce759603e7e9ab3a15b625b51281179eeN.exe	29
PID 2172 wrote to memory of 1664	2172	c58a54e493ed28635efc5218a3830a3ce759603e7e9ab3a15b625b51281179eeN.exe	29
PID 2172 wrote to memory of 2648	2172	c58a54e493ed28635efc5218a3830a3ce759603e7e9ab3a15b625b51281179eeN.exe	30
PID 2172 wrote to memory of 2648	2172	c58a54e493ed28635efc5218a3830a3ce759603e7e9ab3a15b625b51281179eeN.exe	30
PID 2172 wrote to memory of 2648	2172	c58a54e493ed28635efc5218a3830a3ce759603e7e9ab3a15b625b51281179eeN.exe	30
PID 2172 wrote to memory of 2648	2172	c58a54e493ed28635efc5218a3830a3ce759603e7e9ab3a15b625b51281179eeN.exe	30

C:\Users\Admin\AppData\Local\Temp\c58a54e493ed28635efc5218a3830a3ce759603e7e9ab3a15b625b51281179eeN.exe
"C:\Users\Admin\AppData\Local\Temp\c58a54e493ed28635efc5218a3830a3ce759603e7e9ab3a15b625b51281179eeN.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2172
- 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:1664
- 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:2648

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\biudfw.exe

Filesize
169KB

MD5
8d09ea4f866065b68ce0dff43dd3eb42

SHA1
bceef0ea07693fe2a2313c7a5ac5a210fb364192

SHA256
eba4dc76ab9b00f5477235688f50db9304b3e2e70bde11348be0cd786412e528

SHA512
55aabbc1c1a62a17026a8b195f97c38436bbf81dbe00deddf3c8f06110a6ecaa773819fa2f0d08f9352969fdf96832aa4704d6a3b6128b6dfad3361c56492292

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

Filesize
512B

MD5
ac5e84ed8031d66a9fcd5e472ba8091b

SHA1
06303add604104d6abbb69458f89773c066b470c

SHA256
3a3cfa6f4786dab0ac8bc76204948f32a3a2cbd094922f87c251ec80d22baae5

SHA512
7bf829102a70a1304dae435b8ae3c9ef9a925af7e995fe381d80730f4f702e1fd2a0a1b6a3a4b4667925f5bb95c897166a8fc0f52d3171d9cdba0bf09b53f152

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

Filesize
340B

MD5
545c61b864f4e47ae8805a5e0584ccd2

SHA1
9b1c6cbdd7724d70f56c44a9246cfa40636c2200

SHA256
1283afe8f96a4f3a6cb1addf857e99bb3d01cc5b32289fb6ff681d62783a9164

SHA512
dcfa377eb78d33df344a5f28b0194a24eea091e6dbf436d3c8258e24021b1719bf72402b235848695568f2ea59f20321e4c96fe3d0484a64e4aa3f767edf8f12

Download Submit
memory/1664-10-0x0000000000B70000-0x0000000000B9B000-memory.dmp

Filesize
172KB

Download
memory/1664-21-0x0000000000B70000-0x0000000000B9B000-memory.dmp

Filesize
172KB

Download
memory/1664-22-0x0000000000B70000-0x0000000000B9B000-memory.dmp

Filesize
172KB

Download
memory/2172-0-0x0000000000BA0000-0x0000000000BCB000-memory.dmp

Filesize
172KB

Download
memory/2172-6-0x0000000000B70000-0x0000000000B9B000-memory.dmp

Filesize
172KB

Download
memory/2172-18-0x0000000000BA0000-0x0000000000BCB000-memory.dmp

Filesize
172KB

Download

Analysis

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