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

Deletes itself 1 IoCs

pid	Process
2680	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2780	huter.exe

Loads dropped DLL 1 IoCs

pid	Process
2196	291ddaa7ebf60c699a6bb7defd5432527264dbcc5296c446b56daa2c1dd2461cN.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2196-0-0x0000000000400000-0x0000000000431000-memory.dmp	upx
behavioral1/files/0x0027000000019353-4.dat	upx
behavioral1/memory/2780-17-0x0000000000400000-0x0000000000431000-memory.dmp	upx
behavioral1/memory/2196-19-0x0000000000400000-0x0000000000431000-memory.dmp	upx
behavioral1/memory/2780-22-0x0000000000400000-0x0000000000431000-memory.dmp	upx
behavioral1/memory/2780-25-0x0000000000400000-0x0000000000431000-memory.dmp	upx
behavioral1/memory/2780-31-0x0000000000400000-0x0000000000431000-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 8 IoCs

description	pid	Process	procid_target
PID 2196 wrote to memory of 2780	2196	291ddaa7ebf60c699a6bb7defd5432527264dbcc5296c446b56daa2c1dd2461cN.exe	30
PID 2196 wrote to memory of 2780	2196	291ddaa7ebf60c699a6bb7defd5432527264dbcc5296c446b56daa2c1dd2461cN.exe	30
PID 2196 wrote to memory of 2780	2196	291ddaa7ebf60c699a6bb7defd5432527264dbcc5296c446b56daa2c1dd2461cN.exe	30
PID 2196 wrote to memory of 2780	2196	291ddaa7ebf60c699a6bb7defd5432527264dbcc5296c446b56daa2c1dd2461cN.exe	30
PID 2196 wrote to memory of 2680	2196	291ddaa7ebf60c699a6bb7defd5432527264dbcc5296c446b56daa2c1dd2461cN.exe	31
PID 2196 wrote to memory of 2680	2196	291ddaa7ebf60c699a6bb7defd5432527264dbcc5296c446b56daa2c1dd2461cN.exe	31
PID 2196 wrote to memory of 2680	2196	291ddaa7ebf60c699a6bb7defd5432527264dbcc5296c446b56daa2c1dd2461cN.exe	31
PID 2196 wrote to memory of 2680	2196	291ddaa7ebf60c699a6bb7defd5432527264dbcc5296c446b56daa2c1dd2461cN.exe	31

C:\Users\Admin\AppData\Local\Temp\291ddaa7ebf60c699a6bb7defd5432527264dbcc5296c446b56daa2c1dd2461cN.exe
"C:\Users\Admin\AppData\Local\Temp\291ddaa7ebf60c699a6bb7defd5432527264dbcc5296c446b56daa2c1dd2461cN.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2196
- 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:2780
- 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:2680

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

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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\sanfdr.bat

Filesize
340B

MD5
fdf76ac65f8a514822123422998bc707

SHA1
6f925fab2d66600ee8c7e05abe54f94733928fa9

SHA256
c8649f43e8d4373f7aa90fecd207499e52bb3bbb458a72c7fd8b745a09a10eff

SHA512
965f7e840dc29a95f502b5c1eb4d83dc0932f7b121da6687460597781776e5bff4ebe955cc5b3c7bfa745c03abac09db009b9ace307605ea781583fef47d8a1b

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

Filesize
84KB

MD5
8daee3a468e32a8c6d3163fe6e0ea25c

SHA1
8635001f3e9473ca25ade9d81990d2a4bf3c8979

SHA256
1bd7d5a8b6dc6af580d04f874c9b11cba972d35ee1cf1ba0972c8bd30ce51366

SHA512
a5d49ea018c99e1ca572246b1a554a2279940f54062abfd59947a7a1eac2a8cfbeda59a072ef12a05d479b1bd026fadc8a3450c5d3a65665f869931a2100dc7d

Download Submit
memory/2196-0-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2196-16-0x0000000002590000-0x00000000025C1000-memory.dmp

Filesize
196KB

Download
memory/2196-19-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2780-17-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2780-22-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2780-25-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2780-31-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download

Analysis

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