urelas | 291ddaa7ebf60c699a6bb7defd5432527264dbcc5296c446b56daa2c1dd2461c

General

Target

291ddaa7ebf60c699a6bb7defd5432527264dbcc5296c446b56daa2c1dd2461cN.exe
Size

84KB
MD5

9e0b1bc3cb1a86149116309059eb8e70
SHA1

797b5f675679fbf3ce52de42618e09aab34bcaba
SHA256

291ddaa7ebf60c699a6bb7defd5432527264dbcc5296c446b56daa2c1dd2461c
SHA512

83651cbb519810673c4c4fd3110ab6656555705fc83332a155ba0f4b80cd9b3f57e606c62381ac1774fa415fa7060bdc46ece9e70b2e7d98960db369cfb7b10f
SSDEEP

1536:Jz+jIHNv+vsFbwW6dk0QeLb4NMHriBRxiDkURRH:JznH976dUCnuniD1H

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

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-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	291ddaa7ebf60c699a6bb7defd5432527264dbcc5296c446b56daa2c1dd2461cN.exe

Executes dropped EXE 1 IoCs

pid	Process
3140	huter.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4624-0-0x0000000000400000-0x0000000000431000-memory.dmp	upx
behavioral2/files/0x00070000000234a8-6.dat	upx
behavioral2/memory/3140-15-0x0000000000400000-0x0000000000431000-memory.dmp	upx
behavioral2/memory/4624-18-0x0000000000400000-0x0000000000431000-memory.dmp	upx
behavioral2/memory/3140-22-0x0000000000400000-0x0000000000431000-memory.dmp	upx
behavioral2/memory/3140-24-0x0000000000400000-0x0000000000431000-memory.dmp	upx
behavioral2/memory/3140-31-0x0000000000400000-0x0000000000431000-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	291ddaa7ebf60c699a6bb7defd5432527264dbcc5296c446b56daa2c1dd2461cN.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 4624 wrote to memory of 3140	4624	291ddaa7ebf60c699a6bb7defd5432527264dbcc5296c446b56daa2c1dd2461cN.exe	82
PID 4624 wrote to memory of 3140	4624	291ddaa7ebf60c699a6bb7defd5432527264dbcc5296c446b56daa2c1dd2461cN.exe	82
PID 4624 wrote to memory of 3140	4624	291ddaa7ebf60c699a6bb7defd5432527264dbcc5296c446b56daa2c1dd2461cN.exe	82
PID 4624 wrote to memory of 2276	4624	291ddaa7ebf60c699a6bb7defd5432527264dbcc5296c446b56daa2c1dd2461cN.exe	83
PID 4624 wrote to memory of 2276	4624	291ddaa7ebf60c699a6bb7defd5432527264dbcc5296c446b56daa2c1dd2461cN.exe	83
PID 4624 wrote to memory of 2276	4624	291ddaa7ebf60c699a6bb7defd5432527264dbcc5296c446b56daa2c1dd2461cN.exe	83

C:\Users\Admin\AppData\Local\Temp\291ddaa7ebf60c699a6bb7defd5432527264dbcc5296c446b56daa2c1dd2461cN.exe
"C:\Users\Admin\AppData\Local\Temp\291ddaa7ebf60c699a6bb7defd5432527264dbcc5296c446b56daa2c1dd2461cN.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4624
- 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:3140
- 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:2276

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

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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
84KB

MD5
5907a95d982d450ceaf64a3acfede84f

SHA1
064b37d5eeb4a3ab6db44e0be3e2356b80d5b83a

SHA256
fe9d7b2e4b27514b1d065984bb0b3f63c3968b89c4d6131881a69bfaff2ae51f

SHA512
5847d9b9718d3ab06fe3ad139a5d40bb6a42849b4c174467e14c45fd4ef34239f7802c7741c2cd714e2461649ab1096c1826d6cbe658eef18de97f0ca6ab88c8

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

Filesize
340B

MD5
fdf76ac65f8a514822123422998bc707

SHA1
6f925fab2d66600ee8c7e05abe54f94733928fa9

SHA256
c8649f43e8d4373f7aa90fecd207499e52bb3bbb458a72c7fd8b745a09a10eff

SHA512
965f7e840dc29a95f502b5c1eb4d83dc0932f7b121da6687460597781776e5bff4ebe955cc5b3c7bfa745c03abac09db009b9ace307605ea781583fef47d8a1b

Download Submit
memory/3140-15-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/3140-22-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/3140-24-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/3140-31-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/4624-0-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/4624-18-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download

Analysis

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