urelas | 1b0c8f1346f68ff4d3d2552fa7ee96ae015c3ffb457f1dadf2a4f7f38a539fc9

General

Target

1b0c8f1346f68ff4d3d2552fa7ee96ae015c3ffb457f1dadf2a4f7f38a539fc9.exe
Size

60KB
MD5

d7959c544897d75c1204873d31c0d43b
SHA1

53da6b36adc2f998a94af3d6736a8ae95dca548a
SHA256

1b0c8f1346f68ff4d3d2552fa7ee96ae015c3ffb457f1dadf2a4f7f38a539fc9
SHA512

e7715be8923bc7a3394ab5b73a0901c7de3cdb7924c02ecac2050f8d1c50dd72d471ed43722aa46662a71a6426f5176c604a809a7e13deeceea1cc2e82b66190
SSDEEP

768:n5mhew0GpSyMe6hwUkdwJzh+qciaQRENEzxZbARtR06g2wqp4YPeznellmqGwxPG:nK0GjMeQG3iaQREuVZ6ro29p4YxbKdrD

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
2704	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2820	biudfw.exe

Loads dropped DLL 1 IoCs

pid	Process
2244	1b0c8f1346f68ff4d3d2552fa7ee96ae015c3ffb457f1dadf2a4f7f38a539fc9.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	1b0c8f1346f68ff4d3d2552fa7ee96ae015c3ffb457f1dadf2a4f7f38a539fc9.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 2244 wrote to memory of 2820	2244	1b0c8f1346f68ff4d3d2552fa7ee96ae015c3ffb457f1dadf2a4f7f38a539fc9.exe	30
PID 2244 wrote to memory of 2820	2244	1b0c8f1346f68ff4d3d2552fa7ee96ae015c3ffb457f1dadf2a4f7f38a539fc9.exe	30
PID 2244 wrote to memory of 2820	2244	1b0c8f1346f68ff4d3d2552fa7ee96ae015c3ffb457f1dadf2a4f7f38a539fc9.exe	30
PID 2244 wrote to memory of 2820	2244	1b0c8f1346f68ff4d3d2552fa7ee96ae015c3ffb457f1dadf2a4f7f38a539fc9.exe	30
PID 2244 wrote to memory of 2704	2244	1b0c8f1346f68ff4d3d2552fa7ee96ae015c3ffb457f1dadf2a4f7f38a539fc9.exe	31
PID 2244 wrote to memory of 2704	2244	1b0c8f1346f68ff4d3d2552fa7ee96ae015c3ffb457f1dadf2a4f7f38a539fc9.exe	31
PID 2244 wrote to memory of 2704	2244	1b0c8f1346f68ff4d3d2552fa7ee96ae015c3ffb457f1dadf2a4f7f38a539fc9.exe	31
PID 2244 wrote to memory of 2704	2244	1b0c8f1346f68ff4d3d2552fa7ee96ae015c3ffb457f1dadf2a4f7f38a539fc9.exe	31

C:\Users\Admin\AppData\Local\Temp\1b0c8f1346f68ff4d3d2552fa7ee96ae015c3ffb457f1dadf2a4f7f38a539fc9.exe
"C:\Users\Admin\AppData\Local\Temp\1b0c8f1346f68ff4d3d2552fa7ee96ae015c3ffb457f1dadf2a4f7f38a539fc9.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2244
- 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:2820
- 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:2704

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\golfinfo.ini

Filesize
512B

MD5
55e10a9af74d3f3fa5ae3cb7ff5ad9d4

SHA1
449221fd8d7196a54de2bd583625d8d1b64db56a

SHA256
a945a44cfe50423c01f26a16445ed177a347052e791364a9cb7de6bcaa18f3c1

SHA512
4af5ba74467b4c61302ea9571f19346c05f911843f2c6153fcd9a7340f9bc6e1f8867cdb72ec7ba0dc4930199aa5c302711ad5da9fd35241839418f6e70a515a

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

Filesize
338B

MD5
81d9d1a77acae16e3a1bcfe0b7fc3647

SHA1
5ec7d3a9bd34ebc8d96b985467d0b1b02c86a29f

SHA256
7ba1f60eb04eecfcdca1286c0eafb4e98c9add91afa36808e6538d78a36ed339

SHA512
d8112db8271fbf76fd51d55a63b517de768e106c2b92428af037eadf40f80d8b5deb8a33f257a35be302325fe6267407ddb85b5db1c7af608f1ef7d5d8a1eb70

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

Filesize
60KB

MD5
8ac6b11c83dfe3666b72a9d39d6b82cf

SHA1
aae14f2aa3b403cb558bacc1b83dca5598e1c9f8

SHA256
68a4234c1ab7646405d14152b519516d9e3bd57466b9bd8912b7bbf820ec11c8

SHA512
71653197dcab15f41736e58b850467b135c9212db2e8ed5c85066e3ec5c51a465ed5ba1466f60b00d2aef5c5d410907a4731c463023f9df351b258168c5af0d1

Download Submit
memory/2244-0-0x0000000000EC0000-0x0000000000EF5000-memory.dmp

Filesize
212KB

Download
memory/2244-6-0x0000000000C30000-0x0000000000C65000-memory.dmp

Filesize
212KB

Download
memory/2244-19-0x0000000000EC0000-0x0000000000EF5000-memory.dmp

Filesize
212KB

Download
memory/2820-10-0x0000000000C30000-0x0000000000C65000-memory.dmp

Filesize
212KB

Download
memory/2820-22-0x0000000000C30000-0x0000000000C65000-memory.dmp

Filesize
212KB

Download
memory/2820-24-0x0000000000C30000-0x0000000000C65000-memory.dmp

Filesize
212KB

Download
memory/2820-30-0x0000000000C30000-0x0000000000C65000-memory.dmp

Filesize
212KB

Download

Analysis

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