urelas | 21ba3ef271059a86946a81174690d27a40f8510c39e499b5350b76158aaa71cb

General

Target

21ba3ef271059a86946a81174690d27a40f8510c39e499b5350b76158aaa71cb.exe
Size

86KB
MD5

462b6e2c0308ad8200127dae358c10b1
SHA1

94b1397ef377d8fb0af7a0fda0240e3352ed3847
SHA256

21ba3ef271059a86946a81174690d27a40f8510c39e499b5350b76158aaa71cb
SHA512

892efc16616cd69db6ffa3c825bf2bce63b17d3e5ab5251c537b932497d574a546183d0d0fcfb358ee3cb616c8a4356509e6fdb6dae64cd245eb87014259b691
SSDEEP

1536:Jz+jIHNv+vsFbwW6dk0QeLb4NMHriBRxiDkURFH0tHq:JznH976dUCnuniDd0Rq

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
2264	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
3028	huter.exe

Loads dropped DLL 1 IoCs

pid	Process
2380	21ba3ef271059a86946a81174690d27a40f8510c39e499b5350b76158aaa71cb.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2380-0-0x0000000000400000-0x0000000000431000-memory.dmp	upx
behavioral1/files/0x0009000000016d5e-4.dat	upx
behavioral1/memory/3028-10-0x0000000000400000-0x0000000000431000-memory.dmp	upx
behavioral1/memory/2380-19-0x0000000000400000-0x0000000000431000-memory.dmp	upx
behavioral1/memory/3028-22-0x0000000000400000-0x0000000000431000-memory.dmp	upx
behavioral1/memory/3028-24-0x0000000000400000-0x0000000000431000-memory.dmp	upx
behavioral1/memory/3028-31-0x0000000000400000-0x0000000000431000-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	21ba3ef271059a86946a81174690d27a40f8510c39e499b5350b76158aaa71cb.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 2380 wrote to memory of 3028	2380	21ba3ef271059a86946a81174690d27a40f8510c39e499b5350b76158aaa71cb.exe	31
PID 2380 wrote to memory of 3028	2380	21ba3ef271059a86946a81174690d27a40f8510c39e499b5350b76158aaa71cb.exe	31
PID 2380 wrote to memory of 3028	2380	21ba3ef271059a86946a81174690d27a40f8510c39e499b5350b76158aaa71cb.exe	31
PID 2380 wrote to memory of 3028	2380	21ba3ef271059a86946a81174690d27a40f8510c39e499b5350b76158aaa71cb.exe	31
PID 2380 wrote to memory of 2264	2380	21ba3ef271059a86946a81174690d27a40f8510c39e499b5350b76158aaa71cb.exe	32
PID 2380 wrote to memory of 2264	2380	21ba3ef271059a86946a81174690d27a40f8510c39e499b5350b76158aaa71cb.exe	32
PID 2380 wrote to memory of 2264	2380	21ba3ef271059a86946a81174690d27a40f8510c39e499b5350b76158aaa71cb.exe	32
PID 2380 wrote to memory of 2264	2380	21ba3ef271059a86946a81174690d27a40f8510c39e499b5350b76158aaa71cb.exe	32

C:\Users\Admin\AppData\Local\Temp\21ba3ef271059a86946a81174690d27a40f8510c39e499b5350b76158aaa71cb.exe
"C:\Users\Admin\AppData\Local\Temp\21ba3ef271059a86946a81174690d27a40f8510c39e499b5350b76158aaa71cb.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2380
- 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:3028
- 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:2264

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
338B

MD5
d39ee254926617515150d379430bb2ca

SHA1
7ad5752852a3ca3afbb87644e28c901033ab822a

SHA256
a98a4612d99d181b01514474ab5a51130d6f2770cd1b2edfa03e2e479ac58108

SHA512
d2b4d3bad381df3739fa10536d29854dd98a0ee4ade4825d63918248c366eed5f11a4f4e60039d4fc515415536314b1513c099fb7f806faced30b177a0bcbd8b

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

Filesize
86KB

MD5
6592b6283422eb671ce468feef2178bd

SHA1
13075721b742a5d78ece01a03f985294c160c3d0

SHA256
929f5e4c8e37e2d0c3546c6afcf735ba8682cda7df05018916fc457c42bb6b9a

SHA512
1991d08a85730f42aace2fdce18403582f90dd0eb00e338f120642e28484e2db9663e1ab7ca7dd1a933f5063f6a90465fafa144b8ac1ecd14b33a5c8c44b0b44

Download Submit
memory/2380-0-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2380-7-0x0000000002430000-0x0000000002461000-memory.dmp

Filesize
196KB

Download
memory/2380-19-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/3028-10-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/3028-22-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/3028-24-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/3028-31-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download

Analysis

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