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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

b8cddc5134178bcf00f7e32c8d8229002fcf3bc6a5c689f42c76ab24577f14c5.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	b8cddc5134178bcf00f7e32c8d8229002fcf3bc6a5c689f42c76ab24577f14c5.exe

Executes dropped EXE 1 IoCs

Processes:

biudfw.exe

pid	Process
2424	biudfw.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

Processes:

b8cddc5134178bcf00f7e32c8d8229002fcf3bc6a5c689f42c76ab24577f14c5.exebiudfw.execmd.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b8cddc5134178bcf00f7e32c8d8229002fcf3bc6a5c689f42c76ab24577f14c5.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 6 IoCs

Processes:

b8cddc5134178bcf00f7e32c8d8229002fcf3bc6a5c689f42c76ab24577f14c5.exe

description	pid	Process	procid_target
PID 216 wrote to memory of 2424	216	b8cddc5134178bcf00f7e32c8d8229002fcf3bc6a5c689f42c76ab24577f14c5.exe	84
PID 216 wrote to memory of 2424	216	b8cddc5134178bcf00f7e32c8d8229002fcf3bc6a5c689f42c76ab24577f14c5.exe	84
PID 216 wrote to memory of 2424	216	b8cddc5134178bcf00f7e32c8d8229002fcf3bc6a5c689f42c76ab24577f14c5.exe	84
PID 216 wrote to memory of 820	216	b8cddc5134178bcf00f7e32c8d8229002fcf3bc6a5c689f42c76ab24577f14c5.exe	85
PID 216 wrote to memory of 820	216	b8cddc5134178bcf00f7e32c8d8229002fcf3bc6a5c689f42c76ab24577f14c5.exe	85
PID 216 wrote to memory of 820	216	b8cddc5134178bcf00f7e32c8d8229002fcf3bc6a5c689f42c76ab24577f14c5.exe	85

C:\Users\Admin\AppData\Local\Temp\b8cddc5134178bcf00f7e32c8d8229002fcf3bc6a5c689f42c76ab24577f14c5.exe
"C:\Users\Admin\AppData\Local\Temp\b8cddc5134178bcf00f7e32c8d8229002fcf3bc6a5c689f42c76ab24577f14c5.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:216
- 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:2424
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  PID:820

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

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
55KB

MD5
134ae3a2ce6fe87b0395f471ed6d8667

SHA1
97bd926226fe3e576d50e0c44f400f13bdfd83a7

SHA256
fee0f3ec02d335017cc7791ebf003a05850da9a7d7e29e1bcfd147be02183b63

SHA512
5bb2843b777241c391243dc0b66e48fa0f7cd4acf53475fb84e7b56998b39f2076c691523d7ed340e276c6600ea7e8aa5ba54f7db1c397f2c4b738173a445535

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/216-0-0x00000000009B0000-0x00000000009E1000-memory.dmp

Filesize
196KB

Download
memory/216-17-0x00000000009B0000-0x00000000009E1000-memory.dmp

Filesize
196KB

Download
memory/2424-15-0x0000000000BC0000-0x0000000000BF1000-memory.dmp

Filesize
196KB

Download
memory/2424-20-0x0000000000BC0000-0x0000000000BF1000-memory.dmp

Filesize
196KB

Download
memory/2424-22-0x0000000000BC0000-0x0000000000BF1000-memory.dmp

Filesize
196KB

Download
memory/2424-29-0x0000000000BC0000-0x0000000000BF1000-memory.dmp

Filesize
196KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads