urelas | dc35f69980630f102803b43f0387f9d4f3e0ad22aad91046e1ad30fbcf5808d1

General

Target

dc35f69980630f102803b43f0387f9d4f3e0ad22aad91046e1ad30fbcf5808d1.exe
Size

87KB
MD5

0e2ef98225649ddb1f8b2f46d3d7be9c
SHA1

977e54e4677fdfa0051893f8b9959fb922d5a9a1
SHA256

dc35f69980630f102803b43f0387f9d4f3e0ad22aad91046e1ad30fbcf5808d1
SHA512

e9603015d410e1d77354c1e8162ca2706546da5915e775bad6740b95e63638a5009e6c7119f19e62f23d937dd3099370763df67d8035c899eb805762e3010d81
SSDEEP

1536:Jz+jIHNv+vsFbwW6dk0QeLb4NMHriBRxiDkURFH0tHEe:JznH976dUCnuniDd0REe

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

Deletes itself 1 IoCs

pid	Process
1480	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2104	huter.exe

Loads dropped DLL 1 IoCs

pid	Process
2292	dc35f69980630f102803b43f0387f9d4f3e0ad22aad91046e1ad30fbcf5808d1.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2292-0-0x0000000000400000-0x0000000000431000-memory.dmp	upx
behavioral1/files/0x000f000000018683-4.dat	upx
behavioral1/memory/2292-16-0x0000000000400000-0x0000000000431000-memory.dmp	upx
behavioral1/memory/2104-19-0x0000000000400000-0x0000000000431000-memory.dmp	upx
behavioral1/memory/2104-21-0x0000000000400000-0x0000000000431000-memory.dmp	upx
behavioral1/memory/2104-27-0x0000000000400000-0x0000000000431000-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	dc35f69980630f102803b43f0387f9d4f3e0ad22aad91046e1ad30fbcf5808d1.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 2292 wrote to memory of 2104	2292	dc35f69980630f102803b43f0387f9d4f3e0ad22aad91046e1ad30fbcf5808d1.exe	31
PID 2292 wrote to memory of 2104	2292	dc35f69980630f102803b43f0387f9d4f3e0ad22aad91046e1ad30fbcf5808d1.exe	31
PID 2292 wrote to memory of 2104	2292	dc35f69980630f102803b43f0387f9d4f3e0ad22aad91046e1ad30fbcf5808d1.exe	31
PID 2292 wrote to memory of 2104	2292	dc35f69980630f102803b43f0387f9d4f3e0ad22aad91046e1ad30fbcf5808d1.exe	31
PID 2292 wrote to memory of 1480	2292	dc35f69980630f102803b43f0387f9d4f3e0ad22aad91046e1ad30fbcf5808d1.exe	32
PID 2292 wrote to memory of 1480	2292	dc35f69980630f102803b43f0387f9d4f3e0ad22aad91046e1ad30fbcf5808d1.exe	32
PID 2292 wrote to memory of 1480	2292	dc35f69980630f102803b43f0387f9d4f3e0ad22aad91046e1ad30fbcf5808d1.exe	32
PID 2292 wrote to memory of 1480	2292	dc35f69980630f102803b43f0387f9d4f3e0ad22aad91046e1ad30fbcf5808d1.exe	32

C:\Users\Admin\AppData\Local\Temp\dc35f69980630f102803b43f0387f9d4f3e0ad22aad91046e1ad30fbcf5808d1.exe
"C:\Users\Admin\AppData\Local\Temp\dc35f69980630f102803b43f0387f9d4f3e0ad22aad91046e1ad30fbcf5808d1.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2292
- 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:2104
- 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:1480

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
338B

MD5
88fd44f98c02eeefca1bdedba4cd417c

SHA1
0afb67a72f82bb94ea350f8d66a1790583fdc715

SHA256
374f59ef614cf479cdfbf97bad2533cd081978b3d319e231ffa70d5332e0d2b6

SHA512
35dd141d3c8803d0c93e7d34792e6c005099ae0d7fa071a5c4ddc1ef9027df80b0d50a4106946145dbef067a5ea770998435c1dbfdc9d5033f5164447cd0de7e

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

Filesize
87KB

MD5
b20b7f07d51bfef9aca62bc7a9c91ae8

SHA1
25c24fa3d73645f70431d5441e17712255148750

SHA256
2fa74e1bb556a0bd57bcc431b437d61095e873391e6559e30817997d7b1fa523

SHA512
f2e5dcfc0e854411e558573d60f624a9880df04b01eab3de596705f3628d1408e76ec54983fd6e36eb9da7e9526bb340e15854d3ba8364e035dc6952c0a2bc9f

Download Submit
memory/2104-19-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2104-21-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2104-27-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2292-0-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2292-16-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download

Analysis

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