urelas | b8cddc5134178bcf00f7e32c8d8229002fcf3bc6a5c689f42c76ab24577f14c5

General

Target

b8cddc5134178bcf00f7e32c8d8229002fcf3bc6a5c689f42c76ab24577f14c5.exe
Size

55KB
MD5

2560434d7a5b2647f07593ad6d8a6d10
SHA1

13dda438bf017484aac809ee7887039bf8d2fffa
SHA256

b8cddc5134178bcf00f7e32c8d8229002fcf3bc6a5c689f42c76ab24577f14c5
SHA512

bed17b60f905fa66383eef0f08de030707d70e1b4e0884f36ce0ff9f0e6e61c1819817517009167c1e8cd65c045185b77b0f4028b1bfb824f7ab954099f379f8
SSDEEP

1536:qw788avzI+on+TqOK0cHMqtzMLvWsrupwnTf1GqT7O:qwda7KVr0cHneunw1O

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
2140	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2716	biudfw.exe

Loads dropped DLL 1 IoCs

pid	Process
2540	b8cddc5134178bcf00f7e32c8d8229002fcf3bc6a5c689f42c76ab24577f14c5.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	b8cddc5134178bcf00f7e32c8d8229002fcf3bc6a5c689f42c76ab24577f14c5.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2540 wrote to memory of 2716	2540	b8cddc5134178bcf00f7e32c8d8229002fcf3bc6a5c689f42c76ab24577f14c5.exe	29
PID 2540 wrote to memory of 2716	2540	b8cddc5134178bcf00f7e32c8d8229002fcf3bc6a5c689f42c76ab24577f14c5.exe	29
PID 2540 wrote to memory of 2716	2540	b8cddc5134178bcf00f7e32c8d8229002fcf3bc6a5c689f42c76ab24577f14c5.exe	29
PID 2540 wrote to memory of 2716	2540	b8cddc5134178bcf00f7e32c8d8229002fcf3bc6a5c689f42c76ab24577f14c5.exe	29
PID 2540 wrote to memory of 2140	2540	b8cddc5134178bcf00f7e32c8d8229002fcf3bc6a5c689f42c76ab24577f14c5.exe	30
PID 2540 wrote to memory of 2140	2540	b8cddc5134178bcf00f7e32c8d8229002fcf3bc6a5c689f42c76ab24577f14c5.exe	30
PID 2540 wrote to memory of 2140	2540	b8cddc5134178bcf00f7e32c8d8229002fcf3bc6a5c689f42c76ab24577f14c5.exe	30
PID 2540 wrote to memory of 2140	2540	b8cddc5134178bcf00f7e32c8d8229002fcf3bc6a5c689f42c76ab24577f14c5.exe	30

C:\Users\Admin\AppData\Local\Temp\b8cddc5134178bcf00f7e32c8d8229002fcf3bc6a5c689f42c76ab24577f14c5.exe
"C:\Users\Admin\AppData\Local\Temp\b8cddc5134178bcf00f7e32c8d8229002fcf3bc6a5c689f42c76ab24577f14c5.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2540
- 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:2716
- 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:2140

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\biudfw.exe

Filesize
55KB

MD5
3e9d0b83e7f26079080a23f8e480a0e1

SHA1
799384a6e3881d63ceac572633f6765c812a398e

SHA256
ce2a89e85e4ea2ca528b823f39ec92183bbb455887eec4e1cad30517df484a7e

SHA512
c1d0299033c830dc478a2c822f6908b09f505239cca29b56bd74ae9b2ed7b1105f666a6aa54c14b3cf2d1245268200cc4e7d7ca0ff579256c499f6ad99ed17b3

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

Filesize
512B

MD5
0750e4580a3e9076e82bdc6ad33ba927

SHA1
b1e526b3833feda0e3b0738c6865fdac6360bf07

SHA256
74428e568204ea0d1c31570864cb96b1c2b672880f7575220957bf5fc2b24d89

SHA512
303b2cb8e644b336d7bf0892eadc84b414afdc41216719721aa0cf27fc18ecea1a2e943f07813c41d55c4166e489f89ec61a4fcead679ed3de8b323ecb42a8d9

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

Filesize
338B

MD5
d0b4f2db811e1169aa7c386c9dc5fa2e

SHA1
9e5da6d8cfeba6483091ba7d3cdd8aab1c2f6350

SHA256
97a4ab24c203cd1215e1bb90f66ab350d7d22d86d04eb5b3c3ce7bc2feef036e

SHA512
01c56906ae3458ef0d16c4a322fa12a1197db0c44c1b3c185dfd4cece0d1c7660b858533360d9aa73ec43a55500fd18d38bd5360bf031a8a2be5ddccfd4d727c

Download Submit
memory/2540-0-0x0000000000F40000-0x0000000000F71000-memory.dmp

Filesize
196KB

Download
memory/2540-16-0x00000000008A0000-0x00000000008D1000-memory.dmp

Filesize
196KB

Download
memory/2540-19-0x0000000000F40000-0x0000000000F71000-memory.dmp

Filesize
196KB

Download
memory/2716-17-0x0000000000C00000-0x0000000000C31000-memory.dmp

Filesize
196KB

Download
memory/2716-22-0x0000000000C00000-0x0000000000C31000-memory.dmp

Filesize
196KB

Download
memory/2716-25-0x0000000000C00000-0x0000000000C31000-memory.dmp

Filesize
196KB

Download
memory/2716-31-0x0000000000C00000-0x0000000000C31000-memory.dmp

Filesize
196KB

Download

Analysis

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