urelas | 348ca2b9fdf2e1d45e0aaa801d10ec52ca1474cf33a85596ec95e93ccb8ebd94

General

Target

348ca2b9fdf2e1d45e0aaa801d10ec52ca1474cf33a85596ec95e93ccb8ebd94.exe
Size

60KB
MD5

a6d15dfbe60459e89608152992c42990
SHA1

41590109cb824e24b15379ec9d2a2e29bad4a5a0
SHA256

348ca2b9fdf2e1d45e0aaa801d10ec52ca1474cf33a85596ec95e93ccb8ebd94
SHA512

37f2ee32de5ac16e4023e4e19cc949c25fe6268cf4fe1f3171ee1959cdaf6c95646df9ae539b60ef25eb2164aad5721bd7845ea0407b8912029f6f34f2d6a2c9
SSDEEP

768:n5mhew0GpSyMe6hwUkdwJzh+qciaQRENEzxZbARtR06g2wqp4YPeznellmqGwxPH:nK0GjMeQG3iaQREuVZ6ro29p4YxbKd9s

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

2820 cmd.exe
Executes dropped EXE 1 IoCs

Processes:

biudfw.exe

pid process

2860 biudfw.exe
Loads dropped DLL 1 IoCs

Processes:

348ca2b9fdf2e1d45e0aaa801d10ec52ca1474cf33a85596ec95e93ccb8ebd94.exe

pid process

2904 348ca2b9fdf2e1d45e0aaa801d10ec52ca1474cf33a85596ec95e93ccb8ebd94.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2820	cmd.exe

pid	process
2860	biudfw.exe

pid	process
2904	348ca2b9fdf2e1d45e0aaa801d10ec52ca1474cf33a85596ec95e93ccb8ebd94.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:

biudfw.execmd.exe348ca2b9fdf2e1d45e0aaa801d10ec52ca1474cf33a85596ec95e93ccb8ebd94.exe

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	348ca2b9fdf2e1d45e0aaa801d10ec52ca1474cf33a85596ec95e93ccb8ebd94.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

348ca2b9fdf2e1d45e0aaa801d10ec52ca1474cf33a85596ec95e93ccb8ebd94.exe

description	pid	process	target process
PID 2904 wrote to memory of 2860	2904	348ca2b9fdf2e1d45e0aaa801d10ec52ca1474cf33a85596ec95e93ccb8ebd94.exe	biudfw.exe
PID 2904 wrote to memory of 2860	2904	348ca2b9fdf2e1d45e0aaa801d10ec52ca1474cf33a85596ec95e93ccb8ebd94.exe	biudfw.exe
PID 2904 wrote to memory of 2860	2904	348ca2b9fdf2e1d45e0aaa801d10ec52ca1474cf33a85596ec95e93ccb8ebd94.exe	biudfw.exe
PID 2904 wrote to memory of 2860	2904	348ca2b9fdf2e1d45e0aaa801d10ec52ca1474cf33a85596ec95e93ccb8ebd94.exe	biudfw.exe
PID 2904 wrote to memory of 2820	2904	348ca2b9fdf2e1d45e0aaa801d10ec52ca1474cf33a85596ec95e93ccb8ebd94.exe	cmd.exe
PID 2904 wrote to memory of 2820	2904	348ca2b9fdf2e1d45e0aaa801d10ec52ca1474cf33a85596ec95e93ccb8ebd94.exe	cmd.exe
PID 2904 wrote to memory of 2820	2904	348ca2b9fdf2e1d45e0aaa801d10ec52ca1474cf33a85596ec95e93ccb8ebd94.exe	cmd.exe
PID 2904 wrote to memory of 2820	2904	348ca2b9fdf2e1d45e0aaa801d10ec52ca1474cf33a85596ec95e93ccb8ebd94.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\348ca2b9fdf2e1d45e0aaa801d10ec52ca1474cf33a85596ec95e93ccb8ebd94.exe
"C:\Users\Admin\AppData\Local\Temp\348ca2b9fdf2e1d45e0aaa801d10ec52ca1474cf33a85596ec95e93ccb8ebd94.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2904
- 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:2860
- 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:2820

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
319bcfe6f741085ab074fb5f124fb1f8

SHA1
0004fa3456ae9d89ced34af6b5e24a479f68cb92

SHA256
3a95dcab194f81c4ec2de039a937f4514ce64d8e531bb1f32f637474937816f8

SHA512
b9b9640b54067655845e006e4f6c7d98b3f7d2f7a0684592b9b801a3d9560d5f8ff7c7ffda2abe09fc26f09810f12ba5cb45ef4e9ae62bf9b206a9bad0999715

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

Filesize
60KB

MD5
62e67a2b23497bca9bf4ae4b24069229

SHA1
db6d473edf04f8a12e378c797e738c1df4c72bf8

SHA256
ae261830f22acb124538714869e347a29e4ccd2e1d6646b70fd72966814c270f

SHA512
a2b20f65d00ea379de0c49e57088ecc80ba8f52ac42766578dc340857c359d86541c070da18b4de17a92049e07b238fa13beb8f2a9b6bf7ae40ac36e09673ff2

Download Submit
memory/2860-10-0x0000000000D50000-0x0000000000D85000-memory.dmp

Filesize
212KB

Download
memory/2860-21-0x0000000000D50000-0x0000000000D85000-memory.dmp

Filesize
212KB

Download
memory/2860-23-0x0000000000D50000-0x0000000000D85000-memory.dmp

Filesize
212KB

Download
memory/2860-30-0x0000000000D50000-0x0000000000D85000-memory.dmp

Filesize
212KB

Download
memory/2904-0-0x0000000000F80000-0x0000000000FB5000-memory.dmp

Filesize
212KB

Download
memory/2904-6-0x0000000000580000-0x00000000005B5000-memory.dmp

Filesize
212KB

Download
memory/2904-18-0x0000000000F80000-0x0000000000FB5000-memory.dmp

Filesize
212KB

Download

Analysis

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