urelas | 95072f918a1dec0c6ba1773aedaacd96edbdfbf8424521fc293a411c4eafda13

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
02/08/2024, 07:06

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General

Target
6ef5c7686f846713cf3bf4f5341b7290N.exe
Size 84KB
Sample240802-hxcypasdkn
SHA256 95072f918a1dec0c6ba1773aedaacd96edbdfbf8424521fc293a411c4eafda13
MD5 6ef5c7686f846713cf3bf4f5341b7290
SHA1 d7b6bb52bf09d815b982d338cec6af24570cd6de
SHA512 b2148606ed4e0d54286dcae945597674e3cde8c6c1b6cc8668d76576c0bd6417960d46376cb73ffa3c38c32d3e9a1ddea3a62ac38a0c3712aef092a60b0bb877
SSDEEP 1536:Jz+jIHNv+vsFbwW6dk0QeLb4NMHriBRxiDkURB:JznH976dUCnuniDF
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

urelas discovery trojan upx

Malware Config

Extracted

Family

urelas

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
2788	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2900	huter.exe

Loads dropped DLL 1 IoCs

pid	Process
2752	6ef5c7686f846713cf3bf4f5341b7290N.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2752-0-0x0000000000400000-0x0000000000431000-memory.dmp	upx
behavioral1/files/0x0030000000016108-8.dat	upx
behavioral1/memory/2752-18-0x0000000000400000-0x0000000000431000-memory.dmp	upx
behavioral1/memory/2900-21-0x0000000000400000-0x0000000000431000-memory.dmp	upx
behavioral1/memory/2900-23-0x0000000000400000-0x0000000000431000-memory.dmp	upx
behavioral1/memory/2900-30-0x0000000000400000-0x0000000000431000-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	6ef5c7686f846713cf3bf4f5341b7290N.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 2752 wrote to memory of 2900	2752	6ef5c7686f846713cf3bf4f5341b7290N.exe	30
PID 2752 wrote to memory of 2900	2752	6ef5c7686f846713cf3bf4f5341b7290N.exe	30
PID 2752 wrote to memory of 2900	2752	6ef5c7686f846713cf3bf4f5341b7290N.exe	30
PID 2752 wrote to memory of 2900	2752	6ef5c7686f846713cf3bf4f5341b7290N.exe	30
PID 2752 wrote to memory of 2788	2752	6ef5c7686f846713cf3bf4f5341b7290N.exe	31
PID 2752 wrote to memory of 2788	2752	6ef5c7686f846713cf3bf4f5341b7290N.exe	31
PID 2752 wrote to memory of 2788	2752	6ef5c7686f846713cf3bf4f5341b7290N.exe	31
PID 2752 wrote to memory of 2788	2752	6ef5c7686f846713cf3bf4f5341b7290N.exe	31

C:\Users\Admin\AppData\Local\Temp\6ef5c7686f846713cf3bf4f5341b7290N.exe
"C:\Users\Admin\AppData\Local\Temp\6ef5c7686f846713cf3bf4f5341b7290N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2752
- 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:2900
- 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:2788

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

golfinfo.ini

Path C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
Size 512B
SHA256 cc2f9d3db04690b746c18d40c70f8dbc9ca18520b68619d9ccaeac500af98904
MD5 a01dba4c45102fc15292fd5591166536
SHA1 d96191c30e0f09439d8547f4ededbf6726ccd54b
SHA512 277a86f44c2648668205cd6c3c9f83feef147a5ad10839a130713eee9c931c26088d4dd95798b1d0e69f3439239abdee79d37656ad3963147a878a9433d60d32
MD5 SHA1 SHA512

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huter.exe

Path C:\Users\Admin\AppData\Local\Temp\huter.exe
Size 84KB
SHA256 12fc526921cefce00be572c045fa0a1377663f2b48b3fa262c6c3ef1d274f2c2
MD5 60cf922a163899216c71cb6671525210
SHA1 65159c7c66fd7bdc96811961599de3848c802f23
SHA512 999a2c64def9a8e411d69b8b49063f35ed40f7f005bd27e80e12aa057b5e1be1e61c142634bd9849663963e128cc1a6ecd7a0a69904974bc42c63fedef205bca
SSDEEP 1536:Jz+jIHNv+vsFbwW6dk0QeLb4NMHriBRxiDkURv:JznH976dUCnuniDD
MD5 SHA1 SHA512 SSDEEP

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sanfdr.bat

Path C:\Users\Admin\AppData\Local\Temp\sanfdr.bat
Size 276B
SHA256 a497b25f6270e7c3ed67b03733f0a6cbde1b1bdde933830bce90d693d28108b5
MD5 52a8d37b2f16c12286da42527120cfac
SHA1 7eae68723bbaa15629517ef30af4756552b4266e
SHA512 1574dc20d585bf76899258865da7da16278bbddb402b6031035b294fa2cf49e23fa2992bd9d706165fa65dda5271d2af588ef7ff664b7c03856cc0be522fcd02
MD5 SHA1 SHA512

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memory/2752-0-0x0000000000400000-0x0000000000431000-memory.dmp

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memory/2752-9-0x00000000025D0000-0x0000000002601000-memory.dmp

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memory/2752-18-0x0000000000400000-0x0000000000431000-memory.dmp

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memory/2900-21-0x0000000000400000-0x0000000000431000-memory.dmp

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memory/2900-23-0x0000000000400000-0x0000000000431000-memory.dmp

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memory/2900-30-0x0000000000400000-0x0000000000431000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads