urelas | c79133b7e290487acccd44c1ee3c704381fc11725a6a88a00a6a8364a5d17437

General

Target

c79133b7e290487acccd44c1ee3c704381fc11725a6a88a00a6a8364a5d17437.exe
Size

354KB
MD5

6031577dce43b8c21a58863c864ecc02
SHA1

9464dbfea9746226314e01de20ecbd99e6e0d8b9
SHA256

c79133b7e290487acccd44c1ee3c704381fc11725a6a88a00a6a8364a5d17437
SHA512

3e06ad7ea0012693d8f9bad060e07393440a1f2ac848d5712f0739bf8d6c7935d46c97b5e3c3eb831cac8f2057785eb45688bd148ed2991ac8ca8a1c165e95ba
SSDEEP

6144:n1KY1Atydsa9tJKNjyulRZIXE/b3MXyxX5DJ7NfY/E8L+0dHqTxBK8x+7iN3pz:nx+ydx9tSNlTIU/b37dJ75WEe+eKTxB5

Score

10^/10

urelas aspackv2 discovery trojan

Malware Config

Extracted

Family

urelas

C2

121.88.5.183

121.88.5.184

Signatures

Urelas
Urelas is a trojan targeting card games.
trojan urelas
Urelas family
urelas

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral2/files/0x000c000000023b60-10.dat	aspack_v212_v242

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	c79133b7e290487acccd44c1ee3c704381fc11725a6a88a00a6a8364a5d17437.exe

Executes dropped EXE 1 IoCs

pid	Process
3336	sander.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c79133b7e290487acccd44c1ee3c704381fc11725a6a88a00a6a8364a5d17437.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sander.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2100 wrote to memory of 3336	2100	c79133b7e290487acccd44c1ee3c704381fc11725a6a88a00a6a8364a5d17437.exe	88
PID 2100 wrote to memory of 3336	2100	c79133b7e290487acccd44c1ee3c704381fc11725a6a88a00a6a8364a5d17437.exe	88
PID 2100 wrote to memory of 3336	2100	c79133b7e290487acccd44c1ee3c704381fc11725a6a88a00a6a8364a5d17437.exe	88
PID 2100 wrote to memory of 4736	2100	c79133b7e290487acccd44c1ee3c704381fc11725a6a88a00a6a8364a5d17437.exe	89
PID 2100 wrote to memory of 4736	2100	c79133b7e290487acccd44c1ee3c704381fc11725a6a88a00a6a8364a5d17437.exe	89
PID 2100 wrote to memory of 4736	2100	c79133b7e290487acccd44c1ee3c704381fc11725a6a88a00a6a8364a5d17437.exe	89

C:\Users\Admin\AppData\Local\Temp\c79133b7e290487acccd44c1ee3c704381fc11725a6a88a00a6a8364a5d17437.exe
"C:\Users\Admin\AppData\Local\Temp\c79133b7e290487acccd44c1ee3c704381fc11725a6a88a00a6a8364a5d17437.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2100
- C:\Users\Admin\AppData\Local\Temp\sander.exe
  "C:\Users\Admin\AppData\Local\Temp\sander.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3336
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\_sannuyex.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4736

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\_sannuyex.bat

Filesize
341B

MD5
26977b41e36053b5f4a6abdd0981eca3

SHA1
3f10babae7feef7489a4f8095d2cb67f59152551

SHA256
750fc97410174f1c0f068716f2f33732520066be9efc2a2f699cc159f3ddc353

SHA512
6de60c9af408a020bde3912e37bf9d910016a5bd5b4c5b7d70d8fce3c7a03beec450e54c6079dde3d46dad67dc4b45ffb98fc36346a1d861138466b6d7ba925b

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

Filesize
512B

MD5
145cec05d8d704ff7aa3d812b1aff628

SHA1
097ae09965ed3804359803708b8af87b5b90fcbb

SHA256
66c8ae290d7cf992faf67b10d1ef8ad91857f3709f459af69b6a11f521a3aeea

SHA512
1037d7926aec2831c8b084cc19aa38ce91bc8dcff15af731ce0e7cea79fa7806d4d341a9535c39b0ccb8d6f19bc2badf6d20d3b4ab1c931cd5be6994c4323b9d

Download Submit
C:\Users\Admin\AppData\Local\Temp\sander.exe

Filesize
354KB

MD5
d20ffb8a7635050769bbe21b89899399

SHA1
811ae6ae7b34340c8cc4c08a0d534a2a29438f39

SHA256
4d576355a3aa22768cdf14f93fd5718be1544f7b84df5afcdb38d8a069f6a162

SHA512
11cd283a7d3b1d87ad90f2f1d10efe848cbac111bdaf78321193b2ac338367faa34409d8d1bff87f3efb8ef015a0aa97dcc5b26d3bc4f120fd56e85ba5f352f7

Download Submit
memory/2100-1-0x0000000000D30000-0x0000000000DB2000-memory.dmp

Filesize
520KB

Download
memory/2100-3-0x0000000000D30000-0x0000000000DB2000-memory.dmp

Filesize
520KB

Download
memory/2100-2-0x0000000000D30000-0x0000000000DB2000-memory.dmp

Filesize
520KB

Download
memory/2100-4-0x0000000000D30000-0x0000000000DB2000-memory.dmp

Filesize
520KB

Download
memory/2100-23-0x0000000000D30000-0x0000000000DB2000-memory.dmp

Filesize
520KB

Download
memory/2100-0-0x0000000000D30000-0x0000000000DB2000-memory.dmp

Filesize
520KB

Download
memory/3336-21-0x0000000000F20000-0x0000000000FA2000-memory.dmp

Filesize
520KB

Download
memory/3336-18-0x0000000000F20000-0x0000000000FA2000-memory.dmp

Filesize
520KB

Download
memory/3336-17-0x0000000000F20000-0x0000000000FA2000-memory.dmp

Filesize
520KB

Download
memory/3336-16-0x0000000000F20000-0x0000000000FA2000-memory.dmp

Filesize
520KB

Download
memory/3336-20-0x0000000000F20000-0x0000000000FA2000-memory.dmp

Filesize
520KB

Download
memory/3336-26-0x0000000000F20000-0x0000000000FA2000-memory.dmp

Filesize
520KB

Download
memory/3336-32-0x0000000000F20000-0x0000000000FA2000-memory.dmp

Filesize
520KB

Download

Analysis

Sharing