urelas | a3f416e56091e44f9ae67b9fe9e906bf814c4a7b08bc2d2393df77ab89eafadf

General

Target

a3f416e56091e44f9ae67b9fe9e906bf814c4a7b08bc2d2393df77ab89eafadfN.exe
Size

60KB
MD5

3a9d1312d8b678aab7ca27dbbb851620
SHA1

d2df98549bcf20190b4a06da0c4f5c629a1c1f20
SHA256

a3f416e56091e44f9ae67b9fe9e906bf814c4a7b08bc2d2393df77ab89eafadf
SHA512

f0d3e1a58993e99359ec6f69a4734ea25977401cad7456d1b4c658188508269fe6b5c86974a0131fd77c35d9d24053a0b749dabc6982fc7ad9cf4d5ca81bc3e0
SSDEEP

768:jb4zb59Yix/RoyH+5flZirYqc97vFvrpaZG3DHvTdA9GgnOuS5Z3WXcKIZx5uYjm:jbQx5oPsr2vFxDPhAvzgdWLIZ7vGH

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

Deletes itself 1 IoCs

pid	Process
2352	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2152	biudfw.exe

Loads dropped DLL 1 IoCs

pid	Process
1744	a3f416e56091e44f9ae67b9fe9e906bf814c4a7b08bc2d2393df77ab89eafadfN.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	a3f416e56091e44f9ae67b9fe9e906bf814c4a7b08bc2d2393df77ab89eafadfN.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 8 IoCs

description	pid	Process	procid_target
PID 1744 wrote to memory of 2152	1744	a3f416e56091e44f9ae67b9fe9e906bf814c4a7b08bc2d2393df77ab89eafadfN.exe	29
PID 1744 wrote to memory of 2152	1744	a3f416e56091e44f9ae67b9fe9e906bf814c4a7b08bc2d2393df77ab89eafadfN.exe	29
PID 1744 wrote to memory of 2152	1744	a3f416e56091e44f9ae67b9fe9e906bf814c4a7b08bc2d2393df77ab89eafadfN.exe	29
PID 1744 wrote to memory of 2152	1744	a3f416e56091e44f9ae67b9fe9e906bf814c4a7b08bc2d2393df77ab89eafadfN.exe	29
PID 1744 wrote to memory of 2352	1744	a3f416e56091e44f9ae67b9fe9e906bf814c4a7b08bc2d2393df77ab89eafadfN.exe	30
PID 1744 wrote to memory of 2352	1744	a3f416e56091e44f9ae67b9fe9e906bf814c4a7b08bc2d2393df77ab89eafadfN.exe	30
PID 1744 wrote to memory of 2352	1744	a3f416e56091e44f9ae67b9fe9e906bf814c4a7b08bc2d2393df77ab89eafadfN.exe	30
PID 1744 wrote to memory of 2352	1744	a3f416e56091e44f9ae67b9fe9e906bf814c4a7b08bc2d2393df77ab89eafadfN.exe	30

C:\Users\Admin\AppData\Local\Temp\a3f416e56091e44f9ae67b9fe9e906bf814c4a7b08bc2d2393df77ab89eafadfN.exe
"C:\Users\Admin\AppData\Local\Temp\a3f416e56091e44f9ae67b9fe9e906bf814c4a7b08bc2d2393df77ab89eafadfN.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1744
- 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:2152
- 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:2352

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
f02bf69ff6351970bce3b50742a769ed

SHA1
577db2279b6489628583d770f441f3316ff2a560

SHA256
df6e69fc42308fb3e8b6ec778c1ba6afa4ec11d0414c86299df8b573a51f13c0

SHA512
42a7fc0af80713ece991b51ce908444414162de5cb704d1e538794db7fca217fe3d9bfde19d7661f62ccd1d8ec3de362675094f364daf48624ace9e9e2239979

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

Filesize
340B

MD5
b420cec1ed0b18c1673e3cb4c8091003

SHA1
480e7286c62aa641e6f3baccea849c7c3bccf385

SHA256
ff9240b084d79e1e870bd222475e8a9da2b254a7bc5cf88eb34caa895de7f34b

SHA512
e5901ff6897cba61142b62ed58adb1df1bba8b8ba05b546372180493eae23b4f95ecfe291a5c156610bcda3682444cbef511d55dc9bd1885ada35c5f83ec208f

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

Filesize
60KB

MD5
88a750de3fbcc83ee9a1fa3ecf4e5baa

SHA1
e89e035aeecb53f29b7ae4b04efa48cf11925109

SHA256
45988e504c52f0094f4b8d021e212cf3de6332868723c5f6dab9c8ca77c6bf8d

SHA512
0f7f549ebbe2733d3e8a367a7ac9258e871e069d2093f999b8f84747aaaeb24a6bc1482ba2d6cbf99fd0f2bd3f36c0f2743ad19e3bc6eff266891bd2e17b9243

Download Submit
memory/1744-0-0x0000000000100000-0x0000000000125000-memory.dmp

Filesize
148KB

Download
memory/1744-8-0x0000000000480000-0x00000000004A5000-memory.dmp

Filesize
148KB

Download
memory/1744-19-0x0000000000100000-0x0000000000125000-memory.dmp

Filesize
148KB

Download
memory/2152-17-0x0000000000800000-0x0000000000825000-memory.dmp

Filesize
148KB

Download
memory/2152-22-0x0000000000800000-0x0000000000825000-memory.dmp

Filesize
148KB

Download
memory/2152-24-0x0000000000800000-0x0000000000825000-memory.dmp

Filesize
148KB

Download
memory/2152-31-0x0000000000800000-0x0000000000825000-memory.dmp

Filesize
148KB

Download

Analysis

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