urelas | 55e1755918b13926b86e119a2458060f3274e55a546ad9f4de0e6a51d4ce269b

General

Target

55e1755918b13926b86e119a2458060f3274e55a546ad9f4de0e6a51d4ce269bN.exe
Size

80KB
MD5

676ab0111fac160545f4a721c50cda50
SHA1

8e8550c8fd776e49c668011275fe553324d66633
SHA256

55e1755918b13926b86e119a2458060f3274e55a546ad9f4de0e6a51d4ce269b
SHA512

d2103e405811321d638e24cfc4c054cd4543538041d282f3a2157635b369845f8f43e2485c940303f78307a10ef05eaaac8768b62ac35edf8dae478359897641
SSDEEP

1536:9HxkDvWdB7O9dKymMyCMGni2Lz1LaRQLDEC:9RkjWjK9ABpGzlaRQLL

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

Deletes itself 1 IoCs

pid	Process
2148	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2716	huter.exe

Loads dropped DLL 1 IoCs

pid	Process
2408	55e1755918b13926b86e119a2458060f3274e55a546ad9f4de0e6a51d4ce269bN.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2408-0-0x0000000000C70000-0x0000000000CA1000-memory.dmp	upx
behavioral1/files/0x0009000000016ccc-4.dat	upx
behavioral1/memory/2716-16-0x0000000001110000-0x0000000001141000-memory.dmp	upx
behavioral1/memory/2408-19-0x0000000000C70000-0x0000000000CA1000-memory.dmp	upx
behavioral1/memory/2716-22-0x0000000001110000-0x0000000001141000-memory.dmp	upx
behavioral1/memory/2716-25-0x0000000001110000-0x0000000001141000-memory.dmp	upx
behavioral1/memory/2716-27-0x0000000001110000-0x0000000001141000-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	55e1755918b13926b86e119a2458060f3274e55a546ad9f4de0e6a51d4ce269bN.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 11 IoCs

description	pid	Process	procid_target
PID 2408 wrote to memory of 2716	2408	55e1755918b13926b86e119a2458060f3274e55a546ad9f4de0e6a51d4ce269bN.exe	30
PID 2408 wrote to memory of 2716	2408	55e1755918b13926b86e119a2458060f3274e55a546ad9f4de0e6a51d4ce269bN.exe	30
PID 2408 wrote to memory of 2716	2408	55e1755918b13926b86e119a2458060f3274e55a546ad9f4de0e6a51d4ce269bN.exe	30
PID 2408 wrote to memory of 2716	2408	55e1755918b13926b86e119a2458060f3274e55a546ad9f4de0e6a51d4ce269bN.exe	30
PID 2408 wrote to memory of 2716	2408	55e1755918b13926b86e119a2458060f3274e55a546ad9f4de0e6a51d4ce269bN.exe	30
PID 2408 wrote to memory of 2716	2408	55e1755918b13926b86e119a2458060f3274e55a546ad9f4de0e6a51d4ce269bN.exe	30
PID 2408 wrote to memory of 2716	2408	55e1755918b13926b86e119a2458060f3274e55a546ad9f4de0e6a51d4ce269bN.exe	30
PID 2408 wrote to memory of 2148	2408	55e1755918b13926b86e119a2458060f3274e55a546ad9f4de0e6a51d4ce269bN.exe	31
PID 2408 wrote to memory of 2148	2408	55e1755918b13926b86e119a2458060f3274e55a546ad9f4de0e6a51d4ce269bN.exe	31
PID 2408 wrote to memory of 2148	2408	55e1755918b13926b86e119a2458060f3274e55a546ad9f4de0e6a51d4ce269bN.exe	31
PID 2408 wrote to memory of 2148	2408	55e1755918b13926b86e119a2458060f3274e55a546ad9f4de0e6a51d4ce269bN.exe	31

C:\Users\Admin\AppData\Local\Temp\55e1755918b13926b86e119a2458060f3274e55a546ad9f4de0e6a51d4ce269bN.exe
"C:\Users\Admin\AppData\Local\Temp\55e1755918b13926b86e119a2458060f3274e55a546ad9f4de0e6a51d4ce269bN.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2408
- 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:2716
- 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:2148

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
55d2fdd1432483e3ba86ebeccfe130b6

SHA1
7280b14d708800fd15303b2caa8628a0fbd7aa08

SHA256
5cfd1668ec0e5f3b5f8d04e54091d6f173bede6e6f9bb418819fd550095139fb

SHA512
36fd81128552356672b52936699c5e6362268c8131857e778e02a6862600c4feb20d13063d5f838e0887cb5083c648d39fe07faffba18c26387760752f9dd1f3

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

Filesize
340B

MD5
ab1282bd01be2b0c36c6e1361b6f1287

SHA1
25fd2bd66dea23d8d708943dd77480720ec79148

SHA256
cc339aab0e09dc54f76e8be88f5ec1fdf7593db9df85def2aaa74e063a1d89aa

SHA512
22ba4c6013c7f09ff84ad30a920df2098e62a0a90fbc9b210d51d48a32676057fd066577c6c32fdba4c10510697163a8b536145c587a3a9cc58cd4050884029f

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

Filesize
80KB

MD5
371fd3fbba8a0b4736ef4ae5b53af037

SHA1
751bbc8990b5827544839711447e21db03368c3d

SHA256
75081154a0d60f48a09220882eecb2e496834676355a5006153c3f46f3df7f64

SHA512
13930c95d7eeb06187fe5b48fc36874858c79747dfd9a7bd4762227ca3d57c1be0cc6b2b0c5642c4d4163c50a3cb0ee054ec822dfddb6b1242731d99d59eb7dc

Download Submit
memory/2408-0-0x0000000000C70000-0x0000000000CA1000-memory.dmp

Filesize
196KB

Download
memory/2408-15-0x0000000000C10000-0x0000000000C41000-memory.dmp

Filesize
196KB

Download
memory/2408-19-0x0000000000C70000-0x0000000000CA1000-memory.dmp

Filesize
196KB

Download
memory/2716-16-0x0000000001110000-0x0000000001141000-memory.dmp

Filesize
196KB

Download
memory/2716-22-0x0000000001110000-0x0000000001141000-memory.dmp

Filesize
196KB

Download
memory/2716-25-0x0000000001110000-0x0000000001141000-memory.dmp

Filesize
196KB

Download
memory/2716-27-0x0000000001110000-0x0000000001141000-memory.dmp

Filesize
196KB

Download

Analysis

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