urelas | b1ace616ae27168e69369b45784be144abb938d3cbf8028a2e9e6658c57e1288

General

Target

b1ace616ae27168e69369b45784be144abb938d3cbf8028a2e9e6658c57e1288N.exe
Size

76KB
MD5

8bc441c464c88333f3f2a1624dd5f7f0
SHA1

aff58bccefb687bee5faab52a6ce376a7c0d0cc9
SHA256

b1ace616ae27168e69369b45784be144abb938d3cbf8028a2e9e6658c57e1288
SHA512

5249183ef816da1963b4b040f61f4a23b31af74bb5d4115649a2e23648d43fcc39da6e5680fcaf8ba95d97ffc74d638f714b63aafff5ec26be129cc2dac2815d
SSDEEP

1536:9HxkDvWdB7O9dKymMyCMGni2Lz1LaRQLDET:9RkjWjK9ABpGzlaRQL4

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
Urelas family
urelas

Deletes itself 1 IoCs

pid	Process
2396	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2308	huter.exe

Loads dropped DLL 1 IoCs

pid	Process
2572	b1ace616ae27168e69369b45784be144abb938d3cbf8028a2e9e6658c57e1288N.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2572-0-0x0000000000F60000-0x0000000000F91000-memory.dmp	upx
behavioral1/files/0x0009000000016e1d-4.dat	upx
behavioral1/memory/2308-10-0x0000000000BC0000-0x0000000000BF1000-memory.dmp	upx
behavioral1/memory/2572-19-0x0000000000F60000-0x0000000000F91000-memory.dmp	upx
behavioral1/memory/2308-22-0x0000000000BC0000-0x0000000000BF1000-memory.dmp	upx
behavioral1/memory/2308-25-0x0000000000BC0000-0x0000000000BF1000-memory.dmp	upx
behavioral1/memory/2308-27-0x0000000000BC0000-0x0000000000BF1000-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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b1ace616ae27168e69369b45784be144abb938d3cbf8028a2e9e6658c57e1288N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	huter.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2572 wrote to memory of 2308	2572	b1ace616ae27168e69369b45784be144abb938d3cbf8028a2e9e6658c57e1288N.exe	30
PID 2572 wrote to memory of 2308	2572	b1ace616ae27168e69369b45784be144abb938d3cbf8028a2e9e6658c57e1288N.exe	30
PID 2572 wrote to memory of 2308	2572	b1ace616ae27168e69369b45784be144abb938d3cbf8028a2e9e6658c57e1288N.exe	30
PID 2572 wrote to memory of 2308	2572	b1ace616ae27168e69369b45784be144abb938d3cbf8028a2e9e6658c57e1288N.exe	30
PID 2572 wrote to memory of 2308	2572	b1ace616ae27168e69369b45784be144abb938d3cbf8028a2e9e6658c57e1288N.exe	30
PID 2572 wrote to memory of 2308	2572	b1ace616ae27168e69369b45784be144abb938d3cbf8028a2e9e6658c57e1288N.exe	30
PID 2572 wrote to memory of 2308	2572	b1ace616ae27168e69369b45784be144abb938d3cbf8028a2e9e6658c57e1288N.exe	30
PID 2572 wrote to memory of 2396	2572	b1ace616ae27168e69369b45784be144abb938d3cbf8028a2e9e6658c57e1288N.exe	31
PID 2572 wrote to memory of 2396	2572	b1ace616ae27168e69369b45784be144abb938d3cbf8028a2e9e6658c57e1288N.exe	31
PID 2572 wrote to memory of 2396	2572	b1ace616ae27168e69369b45784be144abb938d3cbf8028a2e9e6658c57e1288N.exe	31
PID 2572 wrote to memory of 2396	2572	b1ace616ae27168e69369b45784be144abb938d3cbf8028a2e9e6658c57e1288N.exe	31

C:\Users\Admin\AppData\Local\Temp\b1ace616ae27168e69369b45784be144abb938d3cbf8028a2e9e6658c57e1288N.exe
"C:\Users\Admin\AppData\Local\Temp\b1ace616ae27168e69369b45784be144abb938d3cbf8028a2e9e6658c57e1288N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2572
- 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:2308
- 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:2396

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

Replay Monitor

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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
3062b252e4fd4556b1de2c6a0d07a0a3

SHA1
d2b622eb6047efc46e20a35365f12572176f11d1

SHA256
aa8f70ec7727d683376167d22a01015c211776cdc698a534e1d9fadb762b74cb

SHA512
483c61f9cd1970dd3bc275cec6b87b03bfa931be449d8e6ddd00be62906616f93788cd23268293aa5f74e33096fd130dda396830a740da35a94d2d9ba25c01fc

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

Filesize
76KB

MD5
0718c3260774ac62e1ffb882a8bd95ef

SHA1
8550498c4a30d6198715e4c776b9762f50edccc5

SHA256
7cad7e1d1c632488ca55f73fb415597ed4b8bf323069576887d808c9f79ccf21

SHA512
6b2eafb1e2015f9aebef8bf070049e4e673fe00ef89590ee71afe22f3d0964308972217a024d97afcb3b4872c3276052e822e3586fa91e82f9b1017ba0227df6

Download Submit
memory/2308-10-0x0000000000BC0000-0x0000000000BF1000-memory.dmp

Filesize
196KB

Download
memory/2308-22-0x0000000000BC0000-0x0000000000BF1000-memory.dmp

Filesize
196KB

Download
memory/2308-25-0x0000000000BC0000-0x0000000000BF1000-memory.dmp

Filesize
196KB

Download
memory/2308-27-0x0000000000BC0000-0x0000000000BF1000-memory.dmp

Filesize
196KB

Download
memory/2572-0-0x0000000000F60000-0x0000000000F91000-memory.dmp

Filesize
196KB

Download
memory/2572-9-0x0000000000460000-0x0000000000491000-memory.dmp

Filesize
196KB

Download
memory/2572-19-0x0000000000F60000-0x0000000000F91000-memory.dmp

Filesize
196KB

Download

Analysis

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