urelas | a8d0b692500c8214020385b27086b0dab3548756a01e348117f83c6e7d2e269b

General

Target

a8d0b692500c8214020385b27086b0dab3548756a01e348117f83c6e7d2e269b.exe
Size

56KB
MD5

0ca914b7d1899e4fdd4562337b0c3ffe
SHA1

bff97fece966f865b1fc436f7c66ed14b53abfa0
SHA256

a8d0b692500c8214020385b27086b0dab3548756a01e348117f83c6e7d2e269b
SHA512

07a253cbef1889a42ae914528f2c3b223a454b103f26ca57dd53a2da28533b53fbc88165523bbc3635ef06cb5f8fabc053f63a18830a44376d93155171ba3170
SSDEEP

768:OFzZyc8/WgdkRgce6VDpld8uspLqu+X/sqXnDwJb9FZBrXiDgRpzo1YA0ponrPXe:04/WgLAjdZsp+uChoLnDeoqYAJjK9

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

Downloads MZ/PE file 1 IoCs

flow	pid	Process
62	3896	Process not Found

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-1-5-21-1290774215-692483676-1419523182-1000\Control Panel\International\Geo\Nation	a8d0b692500c8214020385b27086b0dab3548756a01e348117f83c6e7d2e269b.exe

Executes dropped EXE 1 IoCs

pid	Process
2196	biudfw.exe

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	a8d0b692500c8214020385b27086b0dab3548756a01e348117f83c6e7d2e269b.exe
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	MicrosoftEdgeUpdate.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2476	MicrosoftEdgeUpdate.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4700 wrote to memory of 2196	4700	a8d0b692500c8214020385b27086b0dab3548756a01e348117f83c6e7d2e269b.exe	89
PID 4700 wrote to memory of 2196	4700	a8d0b692500c8214020385b27086b0dab3548756a01e348117f83c6e7d2e269b.exe	89
PID 4700 wrote to memory of 2196	4700	a8d0b692500c8214020385b27086b0dab3548756a01e348117f83c6e7d2e269b.exe	89
PID 4700 wrote to memory of 2108	4700	a8d0b692500c8214020385b27086b0dab3548756a01e348117f83c6e7d2e269b.exe	90
PID 4700 wrote to memory of 2108	4700	a8d0b692500c8214020385b27086b0dab3548756a01e348117f83c6e7d2e269b.exe	90
PID 4700 wrote to memory of 2108	4700	a8d0b692500c8214020385b27086b0dab3548756a01e348117f83c6e7d2e269b.exe	90

C:\Users\Admin\AppData\Local\Temp\a8d0b692500c8214020385b27086b0dab3548756a01e348117f83c6e7d2e269b.exe
"C:\Users\Admin\AppData\Local\Temp\a8d0b692500c8214020385b27086b0dab3548756a01e348117f83c6e7d2e269b.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4700
- 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:2196
- 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:2108

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIxIiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDQ5MjgiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxNzQzMjM4OTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MTg5NjQ0ODkwIi8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:2476

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

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
56KB

MD5
1ddc05e59e74503fd5259819406c3fa8

SHA1
61ba2b405c9465ca2e38005153577902925c477b

SHA256
9ff7791a25da6c7679a1f9436fe2d2d7dde37e53f09639409c7c609effbd3475

SHA512
0611bd1353d857725155324c24f907bb9661584bf6abc49080af660ecc42d538aa892fa819f882d503d852400150e74c013826453eeca6ea7be45c4b15b23a3e

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

Filesize
512B

MD5
a250860c0687ed9dda488805c025a2d2

SHA1
0c181ed3b46463d35631ca169f0928c33a1da389

SHA256
3947c34dfc780b424a3207c6ebe12f667bcb839733107f7a94fe495ec705cb37

SHA512
0286fcd24203ef574c9fc37200e4b0e65d58296162aa89b5424ab48b814bd237e609ab7eaf42a69bdad2ab6414bfbbfaec4757e28b29c69752e0e65a653f665a

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

Filesize
338B

MD5
8928619c0cf3bd6318a8e770a313d4c4

SHA1
fc64c9361f4593c77d8df9cc7b637bbf567cb10c

SHA256
0f72b7e6ab7cc3b9577a21c2070a790140ff57676033ad3a11ac72c78e8f6e6a

SHA512
828ddbdfc545918964b2638107e9c0bb173dff506667075ce924f7b6b2a3cf43ebb27ce9432c693b67ea87b73b44a715e41ada58c0960996ac742518c40f9ee1

Download Submit
memory/2196-13-0x0000000000800000-0x0000000000828000-memory.dmp

Filesize
160KB

Download
memory/2196-20-0x0000000000800000-0x0000000000828000-memory.dmp

Filesize
160KB

Download
memory/2196-22-0x0000000000800000-0x0000000000828000-memory.dmp

Filesize
160KB

Download
memory/2196-29-0x0000000000800000-0x0000000000828000-memory.dmp

Filesize
160KB

Download
memory/4700-0-0x0000000000880000-0x00000000008A8000-memory.dmp

Filesize
160KB

Download
memory/4700-17-0x0000000000880000-0x00000000008A8000-memory.dmp

Filesize
160KB

Download

Analysis

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