urelas | 40586f51fcf0e13d5e1aa63c90d49a7a6897b09a7f953b009c4d9dd6b1c2e122

General

Target

40586f51fcf0e13d5e1aa63c90d49a7a6897b09a7f953b009c4d9dd6b1c2e122N.exe
Size

86KB
MD5

6a371073e771186db2b34be18992dad0
SHA1

3eba0c0fc3ad23ad3f33c9e23d027e10f6a783c8
SHA256

40586f51fcf0e13d5e1aa63c90d49a7a6897b09a7f953b009c4d9dd6b1c2e122
SHA512

e4c13515a66ab36c8b8fb2a75910d3c020db5d09c36b1d6319337a368a404e059b6305e9102be91692677a999af285d8f3e7f8fc5f22278f38078f98bdc6ab78
SSDEEP

1536:Jz+jIHNv+vsFbwW6dk0QeLb4NMHriBRxiDkURFH0tHk:JznH976dUCnuniDd0Rk

Score

10^/10

urelas discovery trojan upx

Malware Config

Extracted

Family

urelas

C2

112.175.88.207

112.175.88.208

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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	40586f51fcf0e13d5e1aa63c90d49a7a6897b09a7f953b009c4d9dd6b1c2e122N.exe

Executes dropped EXE 1 IoCs

pid	Process
4240	huter.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2456-0-0x0000000000400000-0x0000000000431000-memory.dmp	upx
behavioral2/files/0x0007000000023ca1-6.dat	upx
behavioral2/memory/2456-17-0x0000000000400000-0x0000000000431000-memory.dmp	upx
behavioral2/memory/4240-20-0x0000000000400000-0x0000000000431000-memory.dmp	upx
behavioral2/memory/4240-22-0x0000000000400000-0x0000000000431000-memory.dmp	upx
behavioral2/memory/4240-28-0x0000000000400000-0x0000000000431000-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	40586f51fcf0e13d5e1aa63c90d49a7a6897b09a7f953b009c4d9dd6b1c2e122N.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 2456 wrote to memory of 4240	2456	40586f51fcf0e13d5e1aa63c90d49a7a6897b09a7f953b009c4d9dd6b1c2e122N.exe	84
PID 2456 wrote to memory of 4240	2456	40586f51fcf0e13d5e1aa63c90d49a7a6897b09a7f953b009c4d9dd6b1c2e122N.exe	84
PID 2456 wrote to memory of 4240	2456	40586f51fcf0e13d5e1aa63c90d49a7a6897b09a7f953b009c4d9dd6b1c2e122N.exe	84
PID 2456 wrote to memory of 5064	2456	40586f51fcf0e13d5e1aa63c90d49a7a6897b09a7f953b009c4d9dd6b1c2e122N.exe	85
PID 2456 wrote to memory of 5064	2456	40586f51fcf0e13d5e1aa63c90d49a7a6897b09a7f953b009c4d9dd6b1c2e122N.exe	85
PID 2456 wrote to memory of 5064	2456	40586f51fcf0e13d5e1aa63c90d49a7a6897b09a7f953b009c4d9dd6b1c2e122N.exe	85

C:\Users\Admin\AppData\Local\Temp\40586f51fcf0e13d5e1aa63c90d49a7a6897b09a7f953b009c4d9dd6b1c2e122N.exe
"C:\Users\Admin\AppData\Local\Temp\40586f51fcf0e13d5e1aa63c90d49a7a6897b09a7f953b009c4d9dd6b1c2e122N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2456
- 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:4240
- 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:5064

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
a01dba4c45102fc15292fd5591166536

SHA1
d96191c30e0f09439d8547f4ededbf6726ccd54b

SHA256
cc2f9d3db04690b746c18d40c70f8dbc9ca18520b68619d9ccaeac500af98904

SHA512
277a86f44c2648668205cd6c3c9f83feef147a5ad10839a130713eee9c931c26088d4dd95798b1d0e69f3439239abdee79d37656ad3963147a878a9433d60d32

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

Filesize
86KB

MD5
bfb12277942c82bbb8266bc9ba9612d3

SHA1
3d5ceefb190fa38c6db4dcf877575ac3f0ad5107

SHA256
c0ae935e5443b79fd337fd20db2124d378b280b68972e97cbf29e8ac0e78bc18

SHA512
4a80a812e3cc48da79c4a51b6ebe6632e462e44201e951f86c9d549b64964612b259962d29b8f8d7ce9797c5e769138364c5e8adadf5346bb09892bfe426c081

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

Filesize
340B

MD5
77e7b9b46f1072518c10c47008b945c9

SHA1
d419dff02b22ce61f8a653088dbaf2f7b18c76fb

SHA256
7a7ea9584b4443510beef3d7af17788ddce27497126172220d1b31d879b970a5

SHA512
8878b3f27b701fa332a87268837144fcd92c6775ffa4ca849047a8490db10f467694b62f5d8c06ca311857bc83fd0c50689929c218efc445efe0a17ee9722dfd

Download Submit
memory/2456-0-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2456-17-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/4240-20-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/4240-22-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/4240-28-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download

Analysis

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