urelas | 6e81f335d58ec557c099f4acd8f15837ba01b677f909589007ab5f88119c805b

General

Target

6e81f335d58ec557c099f4acd8f15837ba01b677f909589007ab5f88119c805bN.exe
Size

80KB
MD5

db2a52f461023dd9a657beb650b2c950
SHA1

9e44b71946374464e3810dc3b3ddf4344cbff1b3
SHA256

6e81f335d58ec557c099f4acd8f15837ba01b677f909589007ab5f88119c805b
SHA512

ebaf3fc456425ca62f467737ca8497cf8e0c7b9481a7e375307971d191206375c674774a0f4b90c28de1d990cedd0efe7b04becc1a184a6358bf0064b5333498
SSDEEP

1536:9HxkDvWdB7O9dKymMyCMGni2Lz1LaRQLDEr4m:9RkjWjK9ABpGzlaRQLe4m

Score

10^/10

urelas discovery trojan upx

Malware Config

Extracted

Family

urelas

C2

218.54.47.77

218.54.47.74

Signatures

Urelas
Urelas is a trojan targeting card games.
trojan urelas

Deletes itself 1 IoCs

pid	Process
2380	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2124	huter.exe

Loads dropped DLL 1 IoCs

pid	Process
2520	6e81f335d58ec557c099f4acd8f15837ba01b677f909589007ab5f88119c805bN.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2520-0-0x0000000000D50000-0x0000000000D81000-memory.dmp	upx
behavioral1/files/0x0009000000016c88-4.dat	upx
behavioral1/memory/2520-8-0x0000000000460000-0x0000000000491000-memory.dmp	upx
behavioral1/memory/2520-18-0x0000000000D50000-0x0000000000D81000-memory.dmp	upx
behavioral1/memory/2124-21-0x0000000000F50000-0x0000000000F81000-memory.dmp	upx
behavioral1/memory/2124-23-0x0000000000F50000-0x0000000000F81000-memory.dmp	upx
behavioral1/memory/2124-26-0x0000000000F50000-0x0000000000F81000-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	6e81f335d58ec557c099f4acd8f15837ba01b677f909589007ab5f88119c805bN.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 11 IoCs

description	pid	Process	procid_target
PID 2520 wrote to memory of 2124	2520	6e81f335d58ec557c099f4acd8f15837ba01b677f909589007ab5f88119c805bN.exe	30
PID 2520 wrote to memory of 2124	2520	6e81f335d58ec557c099f4acd8f15837ba01b677f909589007ab5f88119c805bN.exe	30
PID 2520 wrote to memory of 2124	2520	6e81f335d58ec557c099f4acd8f15837ba01b677f909589007ab5f88119c805bN.exe	30
PID 2520 wrote to memory of 2124	2520	6e81f335d58ec557c099f4acd8f15837ba01b677f909589007ab5f88119c805bN.exe	30
PID 2520 wrote to memory of 2124	2520	6e81f335d58ec557c099f4acd8f15837ba01b677f909589007ab5f88119c805bN.exe	30
PID 2520 wrote to memory of 2124	2520	6e81f335d58ec557c099f4acd8f15837ba01b677f909589007ab5f88119c805bN.exe	30
PID 2520 wrote to memory of 2124	2520	6e81f335d58ec557c099f4acd8f15837ba01b677f909589007ab5f88119c805bN.exe	30
PID 2520 wrote to memory of 2380	2520	6e81f335d58ec557c099f4acd8f15837ba01b677f909589007ab5f88119c805bN.exe	31
PID 2520 wrote to memory of 2380	2520	6e81f335d58ec557c099f4acd8f15837ba01b677f909589007ab5f88119c805bN.exe	31
PID 2520 wrote to memory of 2380	2520	6e81f335d58ec557c099f4acd8f15837ba01b677f909589007ab5f88119c805bN.exe	31
PID 2520 wrote to memory of 2380	2520	6e81f335d58ec557c099f4acd8f15837ba01b677f909589007ab5f88119c805bN.exe	31

C:\Users\Admin\AppData\Local\Temp\6e81f335d58ec557c099f4acd8f15837ba01b677f909589007ab5f88119c805bN.exe
"C:\Users\Admin\AppData\Local\Temp\6e81f335d58ec557c099f4acd8f15837ba01b677f909589007ab5f88119c805bN.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2520
- 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:2124
- 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:2380

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
55d2fdd1432483e3ba86ebeccfe130b6

SHA1
7280b14d708800fd15303b2caa8628a0fbd7aa08

SHA256
5cfd1668ec0e5f3b5f8d04e54091d6f173bede6e6f9bb418819fd550095139fb

SHA512
36fd81128552356672b52936699c5e6362268c8131857e778e02a6862600c4feb20d13063d5f838e0887cb5083c648d39fe07faffba18c26387760752f9dd1f3

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

Filesize
340B

MD5
31cc99df17d6a9cb62d5e247013c9584

SHA1
8e3c1fca4dd257e4c6ec9e86adcb76ad9ffb2117

SHA256
4570bf04272a8bcea981bde57d2ff74425235e390b2b16f7a0491bd6cc18520d

SHA512
928ed2e117d9554fe3b5e16e3b38e299058f453482adfd65d78325462cc7c73f805dc1b86ad04f18163fe6d94f83a5f945ff9a17f48d9202671debee7c9b92f4

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

Filesize
80KB

MD5
9f8abef917c9b5d453bf9a73e3bdd6e0

SHA1
e96927c340b1d3d5fea60b2bfa4b9db42232dc5e

SHA256
8310f63687fb2684710d739a3b56fb3af6452de4a532c6dcf169b8708261e73d

SHA512
233d48de20ee91ca253ad8670d67bd88ccd262ddc3ae0554df9bafe15f24e02be5ecefc36c5e06ddc28c4f10769f9f043c66b8684c4d35ae78b68eb55a02afe6

Download Submit
memory/2124-21-0x0000000000F50000-0x0000000000F81000-memory.dmp

Filesize
196KB

Download
memory/2124-23-0x0000000000F50000-0x0000000000F81000-memory.dmp

Filesize
196KB

Download
memory/2124-26-0x0000000000F50000-0x0000000000F81000-memory.dmp

Filesize
196KB

Download
memory/2520-0-0x0000000000D50000-0x0000000000D81000-memory.dmp

Filesize
196KB

Download
memory/2520-8-0x0000000000460000-0x0000000000491000-memory.dmp

Filesize
196KB

Download
memory/2520-18-0x0000000000D50000-0x0000000000D81000-memory.dmp

Filesize
196KB

Download

Analysis

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