urelas | 33e20f7d792c65ca0dc04f207d350fa255ef3f66d06bcafb6148469f491d133c

General

Target

33e20f7d792c65ca0dc04f207d350fa255ef3f66d06bcafb6148469f491d133c.exe
Size

60KB
MD5

1c10c8d7135d7e25c5cfadbe78fb1481
SHA1

4527a1b89f3283d10079807aec4d51c937aa638f
SHA256

33e20f7d792c65ca0dc04f207d350fa255ef3f66d06bcafb6148469f491d133c
SHA512

95ae6fe3bad2352216db55144b658017d784fa331acb36a81abe8603f7c1023237dbc017f0dcd406d126a9329fdc9cff0824af7233a25caa3d40ea8d4de7fa6d
SSDEEP

768:n5mhew0GpSyMe6hwUkdwJzh+qciaQRENEzxZbARtR06g2wqp4YPeznellmqGwxP0:nK0GjMeQG3iaQREuVZ6ro29p4YxbKdaI

Score

10^/10

urelas discovery trojan

Malware Config

Extracted

Family

urelas

C2

218.54.47.76

218.54.47.77

218.54.47.74

Signatures

Urelas
Urelas is a trojan targeting card games.
trojan urelas
Urelas family
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

Processes:

33e20f7d792c65ca0dc04f207d350fa255ef3f66d06bcafb6148469f491d133c.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	33e20f7d792c65ca0dc04f207d350fa255ef3f66d06bcafb6148469f491d133c.exe

Executes dropped EXE 1 IoCs

Processes:

biudfw.exe

pid process

1576 biudfw.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
1576	biudfw.exe

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

Processes:

biudfw.execmd.exe33e20f7d792c65ca0dc04f207d350fa255ef3f66d06bcafb6148469f491d133c.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	biudfw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	33e20f7d792c65ca0dc04f207d350fa255ef3f66d06bcafb6148469f491d133c.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

33e20f7d792c65ca0dc04f207d350fa255ef3f66d06bcafb6148469f491d133c.exe

description	pid	process	target process
PID 3488 wrote to memory of 1576	3488	33e20f7d792c65ca0dc04f207d350fa255ef3f66d06bcafb6148469f491d133c.exe	biudfw.exe
PID 3488 wrote to memory of 1576	3488	33e20f7d792c65ca0dc04f207d350fa255ef3f66d06bcafb6148469f491d133c.exe	biudfw.exe
PID 3488 wrote to memory of 1576	3488	33e20f7d792c65ca0dc04f207d350fa255ef3f66d06bcafb6148469f491d133c.exe	biudfw.exe
PID 3488 wrote to memory of 2960	3488	33e20f7d792c65ca0dc04f207d350fa255ef3f66d06bcafb6148469f491d133c.exe	cmd.exe
PID 3488 wrote to memory of 2960	3488	33e20f7d792c65ca0dc04f207d350fa255ef3f66d06bcafb6148469f491d133c.exe	cmd.exe
PID 3488 wrote to memory of 2960	3488	33e20f7d792c65ca0dc04f207d350fa255ef3f66d06bcafb6148469f491d133c.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\33e20f7d792c65ca0dc04f207d350fa255ef3f66d06bcafb6148469f491d133c.exe
"C:\Users\Admin\AppData\Local\Temp\33e20f7d792c65ca0dc04f207d350fa255ef3f66d06bcafb6148469f491d133c.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3488
- C:\Users\Admin\AppData\Local\Temp\biudfw.exe
  "C:\Users\Admin\AppData\Local\Temp\biudfw.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1576
- 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:2960

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

C:\Users\Admin\AppData\Local\Temp\biudfw.exe

Filesize
60KB

MD5
86f685220206f6c681c3033ba1a2678b

SHA1
50d7b17316932928fb787d733fc097b60e899ff3

SHA256
b97a596d2ac05f8eef53a6933bc45256e0d054c73bd6dc1334e44548ab8bb938

SHA512
96f672c4cf3448c254ac8b5a0aa7825b9ff3c2e9e759578d4d3330b2b1f1b663f78a2f6c367d4f8d451642482b1c5ab2f69ed5c1d6205b9160c82dfc077206f7

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

Filesize
512B

MD5
55e10a9af74d3f3fa5ae3cb7ff5ad9d4

SHA1
449221fd8d7196a54de2bd583625d8d1b64db56a

SHA256
a945a44cfe50423c01f26a16445ed177a347052e791364a9cb7de6bcaa18f3c1

SHA512
4af5ba74467b4c61302ea9571f19346c05f911843f2c6153fcd9a7340f9bc6e1f8867cdb72ec7ba0dc4930199aa5c302711ad5da9fd35241839418f6e70a515a

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

Filesize
338B

MD5
c2e03550356357f905c1408e4d1b35de

SHA1
965e6d104dff5b99ec1dd1064e6c97e56b06dfe7

SHA256
bddb1a06f3c1c69ae02b19c8d367cc6b4d1852238700381d2a2ac7f15707f721

SHA512
85e92dd118d5e849b2027d8922ddd4fb81cb4a1fbad944ebed518c83c0f45e43a344b1e1568fd42fe5f6eaf2fb2bead5bf67c1474fe3df19405106fd2d4d0216

Download Submit
memory/1576-10-0x0000000000950000-0x0000000000985000-memory.dmp

Filesize
212KB

Download
memory/1576-17-0x0000000000950000-0x0000000000985000-memory.dmp

Filesize
212KB

Download
memory/1576-19-0x0000000000950000-0x0000000000985000-memory.dmp

Filesize
212KB

Download
memory/1576-26-0x0000000000950000-0x0000000000985000-memory.dmp

Filesize
212KB

Download
memory/3488-0-0x00000000008E0000-0x0000000000915000-memory.dmp

Filesize
212KB

Download
memory/3488-14-0x00000000008E0000-0x0000000000915000-memory.dmp

Filesize
212KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads