urelas | f4786e7798b9892b94c17a722e8cbad7b7e7c4f01cd3fbdcd9026e96fb08ad74

General

Target

f4786e7798b9892b94c17a722e8cbad7b7e7c4f01cd3fbdcd9026e96fb08ad74.exe
Size

57KB
MD5

0c9d084f48790cd9660075fdc56f7732
SHA1

ecece09cfe9436e1b340996b701eb91a32ed6a44
SHA256

f4786e7798b9892b94c17a722e8cbad7b7e7c4f01cd3fbdcd9026e96fb08ad74
SHA512

1d606a852dd0ce55b154e36d602deb616e1ebc63a6fe27b825ec43afd81cee779ac16f5574d809289634e00056e5b4b757dd2ed5af572cf64f15f648893c2574
SSDEEP

1536:amZ+4hcuX5uZ79jmvFQTXnz9yQ/PFBhl1l0:amZ+luXwy2f9LDhDl0

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
1748	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
496	biudfw.exe

Loads dropped DLL 1 IoCs

pid	Process
1884	f4786e7798b9892b94c17a722e8cbad7b7e7c4f01cd3fbdcd9026e96fb08ad74.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	biudfw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f4786e7798b9892b94c17a722e8cbad7b7e7c4f01cd3fbdcd9026e96fb08ad74.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1884 wrote to memory of 496	1884	f4786e7798b9892b94c17a722e8cbad7b7e7c4f01cd3fbdcd9026e96fb08ad74.exe	30
PID 1884 wrote to memory of 496	1884	f4786e7798b9892b94c17a722e8cbad7b7e7c4f01cd3fbdcd9026e96fb08ad74.exe	30
PID 1884 wrote to memory of 496	1884	f4786e7798b9892b94c17a722e8cbad7b7e7c4f01cd3fbdcd9026e96fb08ad74.exe	30
PID 1884 wrote to memory of 496	1884	f4786e7798b9892b94c17a722e8cbad7b7e7c4f01cd3fbdcd9026e96fb08ad74.exe	30
PID 1884 wrote to memory of 1748	1884	f4786e7798b9892b94c17a722e8cbad7b7e7c4f01cd3fbdcd9026e96fb08ad74.exe	31
PID 1884 wrote to memory of 1748	1884	f4786e7798b9892b94c17a722e8cbad7b7e7c4f01cd3fbdcd9026e96fb08ad74.exe	31
PID 1884 wrote to memory of 1748	1884	f4786e7798b9892b94c17a722e8cbad7b7e7c4f01cd3fbdcd9026e96fb08ad74.exe	31
PID 1884 wrote to memory of 1748	1884	f4786e7798b9892b94c17a722e8cbad7b7e7c4f01cd3fbdcd9026e96fb08ad74.exe	31

C:\Users\Admin\AppData\Local\Temp\f4786e7798b9892b94c17a722e8cbad7b7e7c4f01cd3fbdcd9026e96fb08ad74.exe
"C:\Users\Admin\AppData\Local\Temp\f4786e7798b9892b94c17a722e8cbad7b7e7c4f01cd3fbdcd9026e96fb08ad74.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1884
- 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:496
- 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:1748

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
26625b4ca7658f7ba4dc7d982782323c

SHA1
574aa314998c39e683675ccf457b0305341a4aaf

SHA256
c494e0ffeee72023dac244366c08072f677ba328ba805f9e480abc2824e99283

SHA512
5a9af4c6be10240dec0d33b37bc6f6836f1db5d0a2a9dd158d63848a8a97dad68e2d9217aca2b2d1cf122d9534aba0d23b247f6686c4ff934bd7035a927d9b9d

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

Filesize
338B

MD5
d412511bcc2bfae7feabc48b59456e51

SHA1
5fc46be325a08424aa470a6806ecebcb3764f2aa

SHA256
78b86889f58aa4cdfc4d87a70baa2c6afb73a4ba03c89b0d4f55dd97c6e39aa2

SHA512
2794b4663469b37ae890fcd676c61f4748fc86ebed7b5067c20a74b278a93e21eb8a1ee11a38c4767695bbff744615b1a95e913d6d333441cb14ce45853ba21c

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

Filesize
57KB

MD5
5e67bdd18868a6c5d81b366f3dff85c5

SHA1
a9cea44a10c62c7f41bce838472f78ac8567e3bd

SHA256
1838ee10b36d525e796510dfbe282a384b4ff7630df5105ef2cb6906fcd43edd

SHA512
a761c21c39492153bcb3440fdcb0881f6d75014aa5c73b4f23094dc6f6ad86bb423368b7bb16f0e19a110c00b0a7e430122ac2dc7c7797a8e533cfe572d5a6b2

Download Submit
memory/496-19-0x0000000000390000-0x00000000003C2000-memory.dmp

Filesize
200KB

Download
memory/496-22-0x0000000000390000-0x00000000003C2000-memory.dmp

Filesize
200KB

Download
memory/496-25-0x0000000000390000-0x00000000003C2000-memory.dmp

Filesize
200KB

Download
memory/496-32-0x0000000000390000-0x00000000003C2000-memory.dmp

Filesize
200KB

Download
memory/1884-0-0x0000000001270000-0x00000000012A2000-memory.dmp

Filesize
200KB

Download
memory/1884-18-0x0000000000500000-0x0000000000532000-memory.dmp

Filesize
200KB

Download
memory/1884-17-0x0000000001270000-0x00000000012A2000-memory.dmp

Filesize
200KB

Download

Analysis

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