urelas | 27de06fca92729ff9bb8b5a9cc97fd677512910a7e2dd1e5462b9de30a8359b1

General

Target
27de06fca92729ff9bb8b5a9cc97fd677512910a7e2dd1e5462b9de30a8359b1.exe
Size 84KB
Sample241007-ydbvaawclf
SHA256 27de06fca92729ff9bb8b5a9cc97fd677512910a7e2dd1e5462b9de30a8359b1
MD5 74bb9261ed7bb36f0d2d0d6ade8b667b
SHA1 2b0b9a34e07cc5baed620b3416e3315e79453e90
SHA512 1edeca41a7fdde7f258d2ef397e16a1689d555beae224e0caace60bc5f2d5d081520cf0b1fea139a1066b51bdc5c933f08897ad73bd0af024b2315b2c67064b2
SSDEEP 1536:Jz+jIHNv+vsFbwW6dk0QeLb4NMHriBRxiDkURu:JznH976dUCnuniDK
MD5 SHA1 SHA512 SSDEEP

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	27de06fca92729ff9bb8b5a9cc97fd677512910a7e2dd1e5462b9de30a8359b1.exe

Executes dropped EXE 1 IoCs

pid	Process
4128	huter.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3620-0-0x0000000000400000-0x0000000000431000-memory.dmp	upx
behavioral2/files/0x000d000000023c66-6.dat	upx
behavioral2/memory/3620-17-0x0000000000400000-0x0000000000431000-memory.dmp	upx
behavioral2/memory/4128-20-0x0000000000400000-0x0000000000431000-memory.dmp	upx
behavioral2/memory/4128-22-0x0000000000400000-0x0000000000431000-memory.dmp	upx
behavioral2/memory/4128-28-0x0000000000400000-0x0000000000431000-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	27de06fca92729ff9bb8b5a9cc97fd677512910a7e2dd1e5462b9de30a8359b1.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 6 IoCs

description	pid	Process	procid_target
PID 3620 wrote to memory of 4128	3620	27de06fca92729ff9bb8b5a9cc97fd677512910a7e2dd1e5462b9de30a8359b1.exe	86
PID 3620 wrote to memory of 4128	3620	27de06fca92729ff9bb8b5a9cc97fd677512910a7e2dd1e5462b9de30a8359b1.exe	86
PID 3620 wrote to memory of 4128	3620	27de06fca92729ff9bb8b5a9cc97fd677512910a7e2dd1e5462b9de30a8359b1.exe	86
PID 3620 wrote to memory of 748	3620	27de06fca92729ff9bb8b5a9cc97fd677512910a7e2dd1e5462b9de30a8359b1.exe	87
PID 3620 wrote to memory of 748	3620	27de06fca92729ff9bb8b5a9cc97fd677512910a7e2dd1e5462b9de30a8359b1.exe	87
PID 3620 wrote to memory of 748	3620	27de06fca92729ff9bb8b5a9cc97fd677512910a7e2dd1e5462b9de30a8359b1.exe	87

C:\Users\Admin\AppData\Local\Temp\27de06fca92729ff9bb8b5a9cc97fd677512910a7e2dd1e5462b9de30a8359b1.exe
"C:\Users\Admin\AppData\Local\Temp\27de06fca92729ff9bb8b5a9cc97fd677512910a7e2dd1e5462b9de30a8359b1.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3620
- 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:4128
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  PID:748

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

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

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 0c6c782e73064aeac8001cd75998541b94fc2ec406cbddddd10a23f24da7627d
MD5 294a9136a801b41b258feb29c08f7be9
SHA1 e9784752a7efdf457a7b2b2f8437adeb11c38d37
SHA512 df206361736fe0443f1b4400151159cd2a41c3fbe6189db61cc198ffa8a359bd31c2b24b3924b288c290f2a9b9e3144d46ba5e61658de1787ca2d7633583a4fd
SSDEEP 1536:Jz+jIHNv+vsFbwW6dk0QeLb4NMHriBRxiDkURho:JznH976dUCnuniD9o
MD5 SHA1 SHA512 SSDEEP

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sanfdr.bat

Path C:\Users\Admin\AppData\Local\Temp\sanfdr.bat
Size 338B
SHA256 8219e7029137248d238defe857458d4ac53194f9f3aa733e6e88654aa66a29ca
MD5 839fcd8ad55c2036ccbc1a03c7dcd838
SHA1 542fa9ba2f7b049ac94617d49aeb0bb97ed01052
SHA512 b89b84296e8b40226b3622a670108689f69f4ecbba9dbe736558f06817f1c44615fe44d043e6a09ecb63bb7fc45cc2e687c27f6193959be84a09203252bac676
MD5 SHA1 SHA512

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memory/3620-0-0x0000000000400000-0x0000000000431000-memory.dmp

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memory/3620-17-0x0000000000400000-0x0000000000431000-memory.dmp

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memory/4128-20-0x0000000000400000-0x0000000000431000-memory.dmp

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memory/4128-22-0x0000000000400000-0x0000000000431000-memory.dmp

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memory/4128-28-0x0000000000400000-0x0000000000431000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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