urelas | bd6338278e91a2f1c3ee4857c69899640d897a120ae9764759fc9ad2c8b9b78d

General

Target

808c54e52e59237255aff6d34511a760N.exe
Size

558KB
MD5

808c54e52e59237255aff6d34511a760
SHA1

b3676f18e81917f753e202e483c0b9fb8533d2ec
SHA256

bd6338278e91a2f1c3ee4857c69899640d897a120ae9764759fc9ad2c8b9b78d
SHA512

da396174fb2ddeb2d6b04120cb5f34d09acb75a056a048a387f6e718ff98edf9f060567b219123aef4518a5baedf9d3e6fdc8a7afe8ffbeefb9d6f934e3749e0
SSDEEP

12288:zccNvdRExZGe+Q1nSoS++43x+l7QLiaEy9:znPfQp9L3olqF9

Score

10^/10

urelas discovery trojan upx

Malware Config

Extracted

Family

urelas

C2

1.234.83.146

133.242.129.155

218.54.31.226

218.54.31.165

Signatures

Urelas
Urelas is a trojan targeting card games.
trojan urelas

Checks computer location settings 2 TTPs 2 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-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	808c54e52e59237255aff6d34511a760N.exe
Key value queried	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	qobuv.exe

Executes dropped EXE 2 IoCs

pid	Process
3232	qobuv.exe
1992	rusum.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/696-0-0x0000000000400000-0x00000000004B6000-memory.dmp	upx
behavioral2/files/0x00090000000234be-6.dat	upx
behavioral2/memory/3232-11-0x0000000000400000-0x00000000004B6000-memory.dmp	upx
behavioral2/memory/696-14-0x0000000000400000-0x00000000004B6000-memory.dmp	upx
behavioral2/memory/3232-17-0x0000000000400000-0x00000000004B6000-memory.dmp	upx
behavioral2/memory/3232-26-0x0000000000400000-0x00000000004B6000-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 4 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	808c54e52e59237255aff6d34511a760N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	qobuv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rusum.exe

Suspicious behavior: EnumeratesProcesses 48 IoCs

pid	Process
1992	rusum.exe
1992	rusum.exe
1992	rusum.exe
1992	rusum.exe
1992	rusum.exe
1992	rusum.exe
1992	rusum.exe
1992	rusum.exe
1992	rusum.exe
1992	rusum.exe
1992	rusum.exe
1992	rusum.exe
1992	rusum.exe
1992	rusum.exe
1992	rusum.exe
1992	rusum.exe
1992	rusum.exe
1992	rusum.exe
1992	rusum.exe
1992	rusum.exe
1992	rusum.exe
1992	rusum.exe
1992	rusum.exe
1992	rusum.exe
1992	rusum.exe
1992	rusum.exe
1992	rusum.exe
1992	rusum.exe
1992	rusum.exe
1992	rusum.exe
1992	rusum.exe
1992	rusum.exe
1992	rusum.exe
1992	rusum.exe
1992	rusum.exe
1992	rusum.exe
1992	rusum.exe
1992	rusum.exe
1992	rusum.exe
1992	rusum.exe
1992	rusum.exe
1992	rusum.exe
1992	rusum.exe
1992	rusum.exe
1992	rusum.exe
1992	rusum.exe
1992	rusum.exe
1992	rusum.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 696 wrote to memory of 3232	696	808c54e52e59237255aff6d34511a760N.exe	86
PID 696 wrote to memory of 3232	696	808c54e52e59237255aff6d34511a760N.exe	86
PID 696 wrote to memory of 3232	696	808c54e52e59237255aff6d34511a760N.exe	86
PID 696 wrote to memory of 216	696	808c54e52e59237255aff6d34511a760N.exe	87
PID 696 wrote to memory of 216	696	808c54e52e59237255aff6d34511a760N.exe	87
PID 696 wrote to memory of 216	696	808c54e52e59237255aff6d34511a760N.exe	87
PID 3232 wrote to memory of 1992	3232	qobuv.exe	93
PID 3232 wrote to memory of 1992	3232	qobuv.exe	93
PID 3232 wrote to memory of 1992	3232	qobuv.exe	93

C:\Users\Admin\AppData\Local\Temp\808c54e52e59237255aff6d34511a760N.exe
"C:\Users\Admin\AppData\Local\Temp\808c54e52e59237255aff6d34511a760N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:696
- C:\Users\Admin\AppData\Local\Temp\qobuv.exe
  "C:\Users\Admin\AppData\Local\Temp\qobuv.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3232
- - C:\Users\Admin\AppData\Local\Temp\rusum.exe
    "C:\Users\Admin\AppData\Local\Temp\rusum.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    PID:1992
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\_uinsey.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  PID:216

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\_uinsey.bat

Filesize
278B

MD5
b04098617867c9bef45e960e20db46be

SHA1
60c9312e22d0d96a506eb0b5dde890bc7118f04a

SHA256
99c9f776d3efb8b852b3c6648bbb53dc6e0b5d40d0fb81630d24f893cef57a81

SHA512
342737c82e83b704a4319fc08b77eb4b91061e14da674a6ed16d46d8164841161bf40dd83820210dc10209ae0ce6d98e3712874f8af434e452c58d39bc19d9c1

Download Submit
C:\Users\Admin\AppData\Local\Temp\golfinfo.ini

Filesize
512B

MD5
1f8d7c4bfb95580df2e0c19daab9f99d

SHA1
b277bd8580b404e19ac5888fae386627529d604a

SHA256
a2b7ff16e62c2fce6e18215af485cb6061f98640b202d8635ef29249c505cea8

SHA512
dd28543ba767459517f140c00b04a7d40c0d4c275c5a30a5b563e9e2db1c9c357c01567d3bb27f23026e4d386bef29507f4c322e5c9f5d0cb817147294d857a4

Download Submit
C:\Users\Admin\AppData\Local\Temp\qobuv.exe

Filesize
558KB

MD5
c245b3e9514fdbd11352c9b4dcb968de

SHA1
8798d2e78d43a3a4b79c57deef5d78e359edf7a8

SHA256
d73aebb4cce9e4cc89affd6b531eaedb90a9cdbdc68379bbaba2992fd9bf320e

SHA512
4c9a1cae5bc746a8bb70ccdb434de26be490b3c43a58bdcdd6e420a8a56ba0c077f26020e6da7a9ab5823f9f9d62721eba1039da6b6639ce578318b5ff3fb5a9

Download Submit
C:\Users\Admin\AppData\Local\Temp\rusum.exe

Filesize
194KB

MD5
664fa9b8a801fdca79f78e5cb73a2f14

SHA1
a8ae4e67a862d165d2ce3a55a00cae30773f1353

SHA256
07129a2feba13cb8ec96be5eda062d4e509848d4219065d9e976298fc8dc79a8

SHA512
967d2839dabada2b9cb2a4609bd30ca2f12421926532a669128b054c64d300338b3f726cc0bfc76b2c3b0a4817feaecea81b52e75d7e86591c3da683d390144b

Download Submit
memory/696-0-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/696-14-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/1992-28-0x00000000001D0000-0x00000000001D2000-memory.dmp

Filesize
8KB

Download
memory/1992-27-0x0000000000400000-0x0000000000494000-memory.dmp

Filesize
592KB

Download
memory/1992-30-0x0000000000400000-0x0000000000494000-memory.dmp

Filesize
592KB

Download
memory/1992-31-0x0000000000400000-0x0000000000494000-memory.dmp

Filesize
592KB

Download
memory/3232-17-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/3232-26-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download
memory/3232-11-0x0000000000400000-0x00000000004B6000-memory.dmp

Filesize
728KB

Download

Analysis

Sharing