urelas | aaf3d9743acc80b01be76644bee8c2f8862c8779752e9f2619b9ea60731cc79e

General

Target

aaf3d9743acc80b01be76644bee8c2f8862c8779752e9f2619b9ea60731cc79e.exe
Size

60KB
MD5

53b683df4a39a374ad1dc4dac7c309cf
SHA1

54039858b84d2709b51652132d51ff0a43c5614e
SHA256

aaf3d9743acc80b01be76644bee8c2f8862c8779752e9f2619b9ea60731cc79e
SHA512

36fc17df508f63929ee56e2e625240c6014886a6dca0e59a901daafa068554454bb0d96abdd8a5adc3672fb4790900058d3e7d65a856f1a4247d04bfb99359a8
SSDEEP

768:n5mhew0GpSyMe6hwUkdwJzh+qciaQRENEzxZbARtR06g2wqp4YPeznellmqGwxPn:nK0GjMeQG3iaQREuVZ6ro29p4YxbKd5U

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:

aaf3d9743acc80b01be76644bee8c2f8862c8779752e9f2619b9ea60731cc79e.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	aaf3d9743acc80b01be76644bee8c2f8862c8779752e9f2619b9ea60731cc79e.exe

Executes dropped EXE 1 IoCs

Processes:

biudfw.exe

pid process

1612 biudfw.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
1612	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:

aaf3d9743acc80b01be76644bee8c2f8862c8779752e9f2619b9ea60731cc79e.exebiudfw.execmd.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aaf3d9743acc80b01be76644bee8c2f8862c8779752e9f2619b9ea60731cc79e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	biudfw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

aaf3d9743acc80b01be76644bee8c2f8862c8779752e9f2619b9ea60731cc79e.exe

description	pid	process	target process
PID 4440 wrote to memory of 1612	4440	aaf3d9743acc80b01be76644bee8c2f8862c8779752e9f2619b9ea60731cc79e.exe	biudfw.exe
PID 4440 wrote to memory of 1612	4440	aaf3d9743acc80b01be76644bee8c2f8862c8779752e9f2619b9ea60731cc79e.exe	biudfw.exe
PID 4440 wrote to memory of 1612	4440	aaf3d9743acc80b01be76644bee8c2f8862c8779752e9f2619b9ea60731cc79e.exe	biudfw.exe
PID 4440 wrote to memory of 3236	4440	aaf3d9743acc80b01be76644bee8c2f8862c8779752e9f2619b9ea60731cc79e.exe	cmd.exe
PID 4440 wrote to memory of 3236	4440	aaf3d9743acc80b01be76644bee8c2f8862c8779752e9f2619b9ea60731cc79e.exe	cmd.exe
PID 4440 wrote to memory of 3236	4440	aaf3d9743acc80b01be76644bee8c2f8862c8779752e9f2619b9ea60731cc79e.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\aaf3d9743acc80b01be76644bee8c2f8862c8779752e9f2619b9ea60731cc79e.exe
"C:\Users\Admin\AppData\Local\Temp\aaf3d9743acc80b01be76644bee8c2f8862c8779752e9f2619b9ea60731cc79e.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4440
- 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:1612
- 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:3236

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
355e10e8c001ffb20fabdd951341b39d

SHA1
38aca9fd8702196fd3099403dc16d8640de66f47

SHA256
ff951229980931f3258b4dbdf61dc8cfa5d02c85fe66598af7f599d4fe8caa4b

SHA512
43741c5a9d6afdcf836e0272f0dcfffd4b383651d789f4b8cc767408fd134f4dd55f2acdd2e8ea87d9a60ddc4b237745d0e165b91776b100d1e6d123b1569973

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
fcef283922ae34634d894852b925a9ab

SHA1
e4cd4a4eb8d4236159e9370769f14654d4229b4c

SHA256
aa4cf57939d1b21227b7727daa2f0442924c5b929d56da3090eb3d4b0804312a

SHA512
ac7bb5659b1174c4e8b3ab3a5e2af7937936801e63efd1f77bcc61526064a5a9b7b32ba0615aca2bc40921586a5d575a1f5acb1c5480f6b674ae76805f12e176

Download Submit
memory/1612-10-0x0000000000F60000-0x0000000000F95000-memory.dmp

Filesize
212KB

Download
memory/1612-18-0x0000000000F60000-0x0000000000F95000-memory.dmp

Filesize
212KB

Download
memory/1612-20-0x0000000000F60000-0x0000000000F95000-memory.dmp

Filesize
212KB

Download
memory/1612-26-0x0000000000F60000-0x0000000000F95000-memory.dmp

Filesize
212KB

Download
memory/4440-0-0x0000000000BD0000-0x0000000000C05000-memory.dmp

Filesize
212KB

Download
memory/4440-15-0x0000000000BD0000-0x0000000000C05000-memory.dmp

Filesize
212KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads