urelas | b64420898566616070012c2e72fd072df364c9a2b07436cd0af220ea9ce42589

General

Target

b64420898566616070012c2e72fd072df364c9a2b07436cd0af220ea9ce42589.exe
Size

57KB
MD5

e69151a20a6162cfa8d39298e24541e6
SHA1

6827b959dbfb0dde179dbb9882c016ebea836875
SHA256

b64420898566616070012c2e72fd072df364c9a2b07436cd0af220ea9ce42589
SHA512

222584518403ef7257b21d982c15df68673299211b0737c3d05a5ae55377ce57c4888c5b68eb8b0f4ec6bb47766c457e655fa0af7bed127a998e0bda63dbaa08
SSDEEP

1536:amZ+4hcuX5uZ79jmvFQTXnz9yQ/PFBhl1Lgu:amZ+luXwy2f9LDhDLgu

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
3032	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
1708	biudfw.exe

Loads dropped DLL 1 IoCs

pid	Process
2308	b64420898566616070012c2e72fd072df364c9a2b07436cd0af220ea9ce42589.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	b64420898566616070012c2e72fd072df364c9a2b07436cd0af220ea9ce42589.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 2308 wrote to memory of 1708	2308	b64420898566616070012c2e72fd072df364c9a2b07436cd0af220ea9ce42589.exe	30
PID 2308 wrote to memory of 1708	2308	b64420898566616070012c2e72fd072df364c9a2b07436cd0af220ea9ce42589.exe	30
PID 2308 wrote to memory of 1708	2308	b64420898566616070012c2e72fd072df364c9a2b07436cd0af220ea9ce42589.exe	30
PID 2308 wrote to memory of 1708	2308	b64420898566616070012c2e72fd072df364c9a2b07436cd0af220ea9ce42589.exe	30
PID 2308 wrote to memory of 3032	2308	b64420898566616070012c2e72fd072df364c9a2b07436cd0af220ea9ce42589.exe	31
PID 2308 wrote to memory of 3032	2308	b64420898566616070012c2e72fd072df364c9a2b07436cd0af220ea9ce42589.exe	31
PID 2308 wrote to memory of 3032	2308	b64420898566616070012c2e72fd072df364c9a2b07436cd0af220ea9ce42589.exe	31
PID 2308 wrote to memory of 3032	2308	b64420898566616070012c2e72fd072df364c9a2b07436cd0af220ea9ce42589.exe	31

C:\Users\Admin\AppData\Local\Temp\b64420898566616070012c2e72fd072df364c9a2b07436cd0af220ea9ce42589.exe
"C:\Users\Admin\AppData\Local\Temp\b64420898566616070012c2e72fd072df364c9a2b07436cd0af220ea9ce42589.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2308
- 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:1708
- 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:3032

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\golfinfo.ini

Filesize
512B

MD5
26625b4ca7658f7ba4dc7d982782323c

SHA1
574aa314998c39e683675ccf457b0305341a4aaf

SHA256
c494e0ffeee72023dac244366c08072f677ba328ba805f9e480abc2824e99283

SHA512
5a9af4c6be10240dec0d33b37bc6f6836f1db5d0a2a9dd158d63848a8a97dad68e2d9217aca2b2d1cf122d9534aba0d23b247f6686c4ff934bd7035a927d9b9d

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

Filesize
338B

MD5
7710a86811024b11cd9765d97ec4780c

SHA1
31d6e2f4ce2494122ff3c099bd527a4b2511f9a5

SHA256
bac9009e842eedadb77136eb89379750282856bfa123e3073785c3e966e9d502

SHA512
18af323fcd2e05c628a5e05df2e3c02f526a5768a6b0459812c2036ce762baffbdbba2d8c54fa6ee8c979fc0c4c08c3f4f196eae30f8210842827263fc8deda0

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

Filesize
57KB

MD5
486f7c0abf0041c9d6e87bbe03278741

SHA1
8411551f44abb342cf6cd3019c02f86166abb00c

SHA256
6d898ad2db9add06e1cdfc23eecfefcbc8a2eec8aa71fc0d5ef18792d0c33f10

SHA512
22aab1c43b4f6399fc4ac28f65ff3ae547cc41dae9fb58bc3a4486ca36410cc0eebe714bc4ac878d1e95347d8a3f5df60ae87ffa30b8f01d5fdd45aa0db5dd80

Download Submit
memory/1708-16-0x0000000000E70000-0x0000000000EA2000-memory.dmp

Filesize
200KB

Download
memory/1708-21-0x0000000000E70000-0x0000000000EA2000-memory.dmp

Filesize
200KB

Download
memory/1708-23-0x0000000000E70000-0x0000000000EA2000-memory.dmp

Filesize
200KB

Download
memory/1708-30-0x0000000000E70000-0x0000000000EA2000-memory.dmp

Filesize
200KB

Download
memory/2308-0-0x00000000008D0000-0x0000000000902000-memory.dmp

Filesize
200KB

Download
memory/2308-8-0x0000000000840000-0x0000000000872000-memory.dmp

Filesize
200KB

Download
memory/2308-18-0x00000000008D0000-0x0000000000902000-memory.dmp

Filesize
200KB

Download

Analysis

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