urelas | b22bf08f465cc3e0c83b82cd1c6da2ad5328f47497a329723bafe0deab19e5b9

General

Target

b22bf08f465cc3e0c83b82cd1c6da2ad5328f47497a329723bafe0deab19e5b9.exe
Size

79KB
MD5

f2d18b99ca55a93a8b5b5da1c43505d8
SHA1

479f3db10a181e7a1c2ea2fe8ca498154f96fce6
SHA256

b22bf08f465cc3e0c83b82cd1c6da2ad5328f47497a329723bafe0deab19e5b9
SHA512

a7842595a86b1d0e7a79e044148b72bddd31103bf739b93f5e889c111dcf30df4339e11b6ba641a4d5df1e0b0704774e341c1453d20ded9901e5426f04c23540
SSDEEP

1536:9HxkDvWdB7O9dKymMyCMGni2Lz1LaRQLDErn:9RkjWjK9ABpGzlaRQLen

Score

10^/10

urelas discovery trojan upx

Malware Config

Extracted

Family

urelas

C2

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	b22bf08f465cc3e0c83b82cd1c6da2ad5328f47497a329723bafe0deab19e5b9.exe

Executes dropped EXE 1 IoCs

pid	Process
1452	huter.exe

UPX packed file 7 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3668-0-0x0000000000140000-0x0000000000171000-memory.dmp	upx
behavioral2/files/0x000a000000023b75-6.dat	upx
behavioral2/memory/1452-14-0x0000000000280000-0x00000000002B1000-memory.dmp	upx
behavioral2/memory/3668-18-0x0000000000140000-0x0000000000171000-memory.dmp	upx
behavioral2/memory/1452-21-0x0000000000280000-0x00000000002B1000-memory.dmp	upx
behavioral2/memory/1452-23-0x0000000000280000-0x00000000002B1000-memory.dmp	upx
behavioral2/memory/1452-25-0x0000000000280000-0x00000000002B1000-memory.dmp	upx

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	b22bf08f465cc3e0c83b82cd1c6da2ad5328f47497a329723bafe0deab19e5b9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	huter.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3668 wrote to memory of 1452	3668	b22bf08f465cc3e0c83b82cd1c6da2ad5328f47497a329723bafe0deab19e5b9.exe	83
PID 3668 wrote to memory of 1452	3668	b22bf08f465cc3e0c83b82cd1c6da2ad5328f47497a329723bafe0deab19e5b9.exe	83
PID 3668 wrote to memory of 1452	3668	b22bf08f465cc3e0c83b82cd1c6da2ad5328f47497a329723bafe0deab19e5b9.exe	83
PID 3668 wrote to memory of 4100	3668	b22bf08f465cc3e0c83b82cd1c6da2ad5328f47497a329723bafe0deab19e5b9.exe	84
PID 3668 wrote to memory of 4100	3668	b22bf08f465cc3e0c83b82cd1c6da2ad5328f47497a329723bafe0deab19e5b9.exe	84
PID 3668 wrote to memory of 4100	3668	b22bf08f465cc3e0c83b82cd1c6da2ad5328f47497a329723bafe0deab19e5b9.exe	84

C:\Users\Admin\AppData\Local\Temp\b22bf08f465cc3e0c83b82cd1c6da2ad5328f47497a329723bafe0deab19e5b9.exe
"C:\Users\Admin\AppData\Local\Temp\b22bf08f465cc3e0c83b82cd1c6da2ad5328f47497a329723bafe0deab19e5b9.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3668
- C:\Users\Admin\AppData\Local\Temp\huter.exe
  "C:\Users\Admin\AppData\Local\Temp\huter.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1452
- 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:4100

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

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Downloads

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

Filesize
512B

MD5
55d2fdd1432483e3ba86ebeccfe130b6

SHA1
7280b14d708800fd15303b2caa8628a0fbd7aa08

SHA256
5cfd1668ec0e5f3b5f8d04e54091d6f173bede6e6f9bb418819fd550095139fb

SHA512
36fd81128552356672b52936699c5e6362268c8131857e778e02a6862600c4feb20d13063d5f838e0887cb5083c648d39fe07faffba18c26387760752f9dd1f3

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

Filesize
79KB

MD5
f0823e9a64c5fe70daa6f71cd8956ef9

SHA1
ace0cd339bf0ea4f8ea621f61e12527bd86c7062

SHA256
567592c28fb195986d56a7005bd2a858e7d68b7d91a6b33604efd1663fb4c353

SHA512
5311c877bda1ae7e5b5878d4b1eb216d42c69c95b1d9dbb6bcbb9f03e6b4fe3adb91824cc34e0954cc6a111583d1b750401581e6eba0e5791ba56bab8bd5ffde

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

Filesize
338B

MD5
a71039a1780588d38f739eb00843864f

SHA1
99772b007a9a71b6e07e87f7c53bd3c5cd7cf66e

SHA256
dac2f14c9842eb111154590aea05738d4a193e9a2be5961d11a7d7d8d017db66

SHA512
6f891be3cf567f97222519960d40f69c138bd89df8633aead19e07bbc4a1c11f4b6e67f34c84ed4b9188b948ead9870aced3838a0be236c88c80b2d76b206d3c

Download Submit
memory/1452-14-0x0000000000280000-0x00000000002B1000-memory.dmp

Filesize
196KB

Download
memory/1452-21-0x0000000000280000-0x00000000002B1000-memory.dmp

Filesize
196KB

Download
memory/1452-23-0x0000000000280000-0x00000000002B1000-memory.dmp

Filesize
196KB

Download
memory/1452-25-0x0000000000280000-0x00000000002B1000-memory.dmp

Filesize
196KB

Download
memory/3668-0-0x0000000000140000-0x0000000000171000-memory.dmp

Filesize
196KB

Download
memory/3668-18-0x0000000000140000-0x0000000000171000-memory.dmp

Filesize
196KB

Download

Analysis

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