urelas | 628d5d1ab84f1eaf84655b74ef0ab85665db21a6a92967d406e8f92ea1381a60

General

Target

628d5d1ab84f1eaf84655b74ef0ab85665db21a6a92967d406e8f92ea1381a60N.exe
Size

84KB
MD5

0c46795984dbfd99d89fdba302f43100
SHA1

f170a5f3930f8ea14bcf08a63089a59752aa07de
SHA256

628d5d1ab84f1eaf84655b74ef0ab85665db21a6a92967d406e8f92ea1381a60
SHA512

b3bf3806b95c9c73f1f502b55630ccd79ec3680ff6fa87229e0c3fb97aee443ba257259a690844c9ef0d2ddd64cb60773517c6d79021193b0f75279d14977fea
SSDEEP

1536:Jz+jIHNv+vsFbwW6dk0QeLb4NMHriBRxiDkURRd:JznH976dUCnuniD1d

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
2360	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2884	huter.exe

Loads dropped DLL 1 IoCs

pid	Process
2240	628d5d1ab84f1eaf84655b74ef0ab85665db21a6a92967d406e8f92ea1381a60N.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2240-0-0x0000000000400000-0x0000000000431000-memory.dmp	upx
behavioral1/files/0x0009000000015d05-4.dat	upx
behavioral1/memory/2240-17-0x0000000000400000-0x0000000000431000-memory.dmp	upx
behavioral1/memory/2884-20-0x0000000000400000-0x0000000000431000-memory.dmp	upx
behavioral1/memory/2884-22-0x0000000000400000-0x0000000000431000-memory.dmp	upx
behavioral1/memory/2884-29-0x0000000000400000-0x0000000000431000-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	628d5d1ab84f1eaf84655b74ef0ab85665db21a6a92967d406e8f92ea1381a60N.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 2240 wrote to memory of 2884	2240	628d5d1ab84f1eaf84655b74ef0ab85665db21a6a92967d406e8f92ea1381a60N.exe	28
PID 2240 wrote to memory of 2884	2240	628d5d1ab84f1eaf84655b74ef0ab85665db21a6a92967d406e8f92ea1381a60N.exe	28
PID 2240 wrote to memory of 2884	2240	628d5d1ab84f1eaf84655b74ef0ab85665db21a6a92967d406e8f92ea1381a60N.exe	28
PID 2240 wrote to memory of 2884	2240	628d5d1ab84f1eaf84655b74ef0ab85665db21a6a92967d406e8f92ea1381a60N.exe	28
PID 2240 wrote to memory of 2360	2240	628d5d1ab84f1eaf84655b74ef0ab85665db21a6a92967d406e8f92ea1381a60N.exe	29
PID 2240 wrote to memory of 2360	2240	628d5d1ab84f1eaf84655b74ef0ab85665db21a6a92967d406e8f92ea1381a60N.exe	29
PID 2240 wrote to memory of 2360	2240	628d5d1ab84f1eaf84655b74ef0ab85665db21a6a92967d406e8f92ea1381a60N.exe	29
PID 2240 wrote to memory of 2360	2240	628d5d1ab84f1eaf84655b74ef0ab85665db21a6a92967d406e8f92ea1381a60N.exe	29

C:\Users\Admin\AppData\Local\Temp\628d5d1ab84f1eaf84655b74ef0ab85665db21a6a92967d406e8f92ea1381a60N.exe
"C:\Users\Admin\AppData\Local\Temp\628d5d1ab84f1eaf84655b74ef0ab85665db21a6a92967d406e8f92ea1381a60N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2240
- 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:2884
- 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:2360

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
a01dba4c45102fc15292fd5591166536

SHA1
d96191c30e0f09439d8547f4ededbf6726ccd54b

SHA256
cc2f9d3db04690b746c18d40c70f8dbc9ca18520b68619d9ccaeac500af98904

SHA512
277a86f44c2648668205cd6c3c9f83feef147a5ad10839a130713eee9c931c26088d4dd95798b1d0e69f3439239abdee79d37656ad3963147a878a9433d60d32

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

Filesize
340B

MD5
aa135cb582e31b3e87e0ff67698a0c58

SHA1
3b390269f68ee9c9ba45db9cc7f3c2e06056eb49

SHA256
5fa0c3110f72ab794d82449f83f594a66960fd846bc18a623ceb0dfd628e87f2

SHA512
03f2d71f943d4d5f958ee02d071166ff745e8873d27842e8365c8a0688d0b5fb46a6121e3cde4fe861ea8acab2c8ba6edd56043e880032498a1458d3a249a316

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

Filesize
84KB

MD5
903141d79d0cf943d5ce95e8f99d02cf

SHA1
60d9eda9085132e3b6fec15f070ee93ddd42c2df

SHA256
18ff0770fc88b4a42a5c5d3fb7c452dba8a66a5762ff57687d7958e5cf0cfff5

SHA512
db2d7acd98434a33a51f5745396302687e235f1f38f74ff187008ec0b10cfc325ed43d8cc1db704c94fa143816ad200f9b7e7fffe9bcaaaca5e5e5a3c8e4f865

Download Submit
memory/2240-0-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2240-17-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2884-20-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2884-22-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2884-29-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download

Analysis

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