urelas | 2548bd07094d7332d8453d7ec85e27d37f6cdd35756c460a3471899ce759e098

General

Target

2548bd07094d7332d8453d7ec85e27d37f6cdd35756c460a3471899ce759e098.exe
Size

71KB
MD5

5cc35f43952082ee1ba69f43df780768
SHA1

fa6b3e264bada2a2a43257d6618282358e8b59a8
SHA256

2548bd07094d7332d8453d7ec85e27d37f6cdd35756c460a3471899ce759e098
SHA512

91301178d59864d0bffac4ec8352bc127504744c1a7da55ac42cab11e06d362572703ca991e2480fa1348843ea9df68700e2bb30a78c96ff49aaf787298465d3
SSDEEP

1536:v6fqsAPQYGmPzmZDDZrV8sMQXGkfn33n7z5WeIuhCarawE:yLAYUzmdD0sMQl7d7IuhCae7

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

Processes:

cmd.exe

pid process

2664 cmd.exe
Executes dropped EXE 1 IoCs

Processes:

biudfw.exe

pid process

2776 biudfw.exe
Loads dropped DLL 1 IoCs

Processes:

2548bd07094d7332d8453d7ec85e27d37f6cdd35756c460a3471899ce759e098.exe

pid process

2692 2548bd07094d7332d8453d7ec85e27d37f6cdd35756c460a3471899ce759e098.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2664	cmd.exe

pid	process
2776	biudfw.exe

pid	process
2692	2548bd07094d7332d8453d7ec85e27d37f6cdd35756c460a3471899ce759e098.exe

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

Processes:

2548bd07094d7332d8453d7ec85e27d37f6cdd35756c460a3471899ce759e098.exebiudfw.execmd.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2548bd07094d7332d8453d7ec85e27d37f6cdd35756c460a3471899ce759e098.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

Processes:

2548bd07094d7332d8453d7ec85e27d37f6cdd35756c460a3471899ce759e098.exe

description	pid	process	target process
PID 2692 wrote to memory of 2776	2692	2548bd07094d7332d8453d7ec85e27d37f6cdd35756c460a3471899ce759e098.exe	biudfw.exe
PID 2692 wrote to memory of 2776	2692	2548bd07094d7332d8453d7ec85e27d37f6cdd35756c460a3471899ce759e098.exe	biudfw.exe
PID 2692 wrote to memory of 2776	2692	2548bd07094d7332d8453d7ec85e27d37f6cdd35756c460a3471899ce759e098.exe	biudfw.exe
PID 2692 wrote to memory of 2776	2692	2548bd07094d7332d8453d7ec85e27d37f6cdd35756c460a3471899ce759e098.exe	biudfw.exe
PID 2692 wrote to memory of 2664	2692	2548bd07094d7332d8453d7ec85e27d37f6cdd35756c460a3471899ce759e098.exe	cmd.exe
PID 2692 wrote to memory of 2664	2692	2548bd07094d7332d8453d7ec85e27d37f6cdd35756c460a3471899ce759e098.exe	cmd.exe
PID 2692 wrote to memory of 2664	2692	2548bd07094d7332d8453d7ec85e27d37f6cdd35756c460a3471899ce759e098.exe	cmd.exe
PID 2692 wrote to memory of 2664	2692	2548bd07094d7332d8453d7ec85e27d37f6cdd35756c460a3471899ce759e098.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\2548bd07094d7332d8453d7ec85e27d37f6cdd35756c460a3471899ce759e098.exe
"C:\Users\Admin\AppData\Local\Temp\2548bd07094d7332d8453d7ec85e27d37f6cdd35756c460a3471899ce759e098.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2692
- 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:2776
- 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:2664

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
71KB

MD5
78f472eaeb50f7dca0f4f3b89766f9f5

SHA1
b2c01a6d27209eca10e1c42d2e1071b3ab93544d

SHA256
e0d163f11e6007bfc0b5b0a859384ae66fec4beba99d0bcec1d17b933258c4fa

SHA512
d150c11b0a4ce3e9b8ec19999c59d1a382c2eed3c3dfc65073a99da7db16348cd41bc56e11db002fa21277bfab09d7978beb5390f5725734df8683bf3a57127c

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

Filesize
512B

MD5
1c9b2720af0ca9528b47898d9c7f4799

SHA1
80495f16e333f54ecc700252323c2a7cb7d751e1

SHA256
d1ea9a17b5a635a121e82e7963d3b134f74050da9debcd40c9622f50c5d38fe5

SHA512
5afe876f2cd887458656b1747bce08d03f26ef286bcc83efa93e0111be856d0564bee4d6ef5637c167626bac121f7371b69c7952502d47784ac9ad568bf53eac

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

Filesize
338B

MD5
4e1c25cc44014a62266f9dbf9111cafe

SHA1
34981f1ab5d6fc8e6d19bbffb5852a5063440259

SHA256
5dbb70dab74e729a75eb059f55efb1b4f24ce66d1a13a8bdfcb9b32d01ccaa77

SHA512
a3dd8892d913437bdc611273251a4ddc56e625ac2d6b1e63792965d301fe6a50d338dd417d8338604b047cd0e93e2501efb63c71a22be14c782a01c12a342aa4

Download Submit
memory/2692-0-0x00000000013B0000-0x00000000013D7000-memory.dmp

Filesize
156KB

Download
memory/2692-9-0x0000000000DB0000-0x0000000000DD7000-memory.dmp

Filesize
156KB

Download
memory/2692-18-0x00000000013B0000-0x00000000013D7000-memory.dmp

Filesize
156KB

Download
memory/2776-10-0x0000000000080000-0x00000000000A7000-memory.dmp

Filesize
156KB

Download
memory/2776-21-0x0000000000080000-0x00000000000A7000-memory.dmp

Filesize
156KB

Download
memory/2776-23-0x0000000000080000-0x00000000000A7000-memory.dmp

Filesize
156KB

Download
memory/2776-30-0x0000000000080000-0x00000000000A7000-memory.dmp

Filesize
156KB

Download

Analysis

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