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

Deletes itself 1 IoCs

pid	Process
2008	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2184	biudfw.exe

Loads dropped DLL 1 IoCs

pid	Process
2044	a8d0b692500c8214020385b27086b0dab3548756a01e348117f83c6e7d2e269b.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 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	a8d0b692500c8214020385b27086b0dab3548756a01e348117f83c6e7d2e269b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	biudfw.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2044 wrote to memory of 2184	2044	a8d0b692500c8214020385b27086b0dab3548756a01e348117f83c6e7d2e269b.exe	30
PID 2044 wrote to memory of 2184	2044	a8d0b692500c8214020385b27086b0dab3548756a01e348117f83c6e7d2e269b.exe	30
PID 2044 wrote to memory of 2184	2044	a8d0b692500c8214020385b27086b0dab3548756a01e348117f83c6e7d2e269b.exe	30
PID 2044 wrote to memory of 2184	2044	a8d0b692500c8214020385b27086b0dab3548756a01e348117f83c6e7d2e269b.exe	30
PID 2044 wrote to memory of 2008	2044	a8d0b692500c8214020385b27086b0dab3548756a01e348117f83c6e7d2e269b.exe	31
PID 2044 wrote to memory of 2008	2044	a8d0b692500c8214020385b27086b0dab3548756a01e348117f83c6e7d2e269b.exe	31
PID 2044 wrote to memory of 2008	2044	a8d0b692500c8214020385b27086b0dab3548756a01e348117f83c6e7d2e269b.exe	31
PID 2044 wrote to memory of 2008	2044	a8d0b692500c8214020385b27086b0dab3548756a01e348117f83c6e7d2e269b.exe	31

C:\Users\Admin\AppData\Local\Temp\a8d0b692500c8214020385b27086b0dab3548756a01e348117f83c6e7d2e269b.exe
"C:\Users\Admin\AppData\Local\Temp\a8d0b692500c8214020385b27086b0dab3548756a01e348117f83c6e7d2e269b.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2044
- 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:2184
- 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:2008

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

Filesize
57KB

MD5
b4e02875e1cc933d62cd589a8a4f9ae4

SHA1
8b7418954e25cf9c9f6ac125fc2deb50f02edd64

SHA256
4363a608cdc0e800d406538f0c172964403aa58fae831a2d1a2f40ec52855679

SHA512
231a6c4d78192ad03caccc2660e4b397ab5a6649f68a7304436addc023ec02b66a91cff42946ff4966522bc29d5d6a1db1314abeaa402767a0fbfcc29819fd3f

Download Submit
memory/2044-0-0x0000000000070000-0x0000000000098000-memory.dmp

Filesize
160KB

Download
memory/2044-7-0x00000000005D0000-0x00000000005F8000-memory.dmp

Filesize
160KB

Download
memory/2044-18-0x0000000000070000-0x0000000000098000-memory.dmp

Filesize
160KB

Download
memory/2184-16-0x0000000000C80000-0x0000000000CA8000-memory.dmp

Filesize
160KB

Download
memory/2184-21-0x0000000000C80000-0x0000000000CA8000-memory.dmp

Filesize
160KB

Download
memory/2184-23-0x0000000000C80000-0x0000000000CA8000-memory.dmp

Filesize
160KB

Download
memory/2184-29-0x0000000000C80000-0x0000000000CA8000-memory.dmp

Filesize
160KB

Download

Analysis

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