urelas | e3dcdc96b8c4965c23b60d3aa9fab42b8493b6a5ffbaaefdb35d2218d2108b3a

General

Target

e3dcdc96b8c4965c23b60d3aa9fab42b8493b6a5ffbaaefdb35d2218d2108b3aN.exe
Size

69KB
MD5

b2c1bddf5d65b19256c9d964710062f0
SHA1

dbe208ef560ee7c139850060e7e4d3bc4cb01f8b
SHA256

e3dcdc96b8c4965c23b60d3aa9fab42b8493b6a5ffbaaefdb35d2218d2108b3a
SHA512

eed640c3281596ff8cfadad0653e4be1cccb57170a54f73b227e8f02f622246cf7279488976e5c4347b70a9bb1d9cacbb2904207a53c550187374007deaaa189
SSDEEP

1536:04/WgLAjdZsp+uChoLnDeoqYAJjvLFymnHsPeOtx:l//AjMp+u2onejH2Pea

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
1308	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2268	biudfw.exe

Loads dropped DLL 1 IoCs

pid	Process
2384	e3dcdc96b8c4965c23b60d3aa9fab42b8493b6a5ffbaaefdb35d2218d2108b3aN.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	e3dcdc96b8c4965c23b60d3aa9fab42b8493b6a5ffbaaefdb35d2218d2108b3aN.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 2384 wrote to memory of 2268	2384	e3dcdc96b8c4965c23b60d3aa9fab42b8493b6a5ffbaaefdb35d2218d2108b3aN.exe	30
PID 2384 wrote to memory of 2268	2384	e3dcdc96b8c4965c23b60d3aa9fab42b8493b6a5ffbaaefdb35d2218d2108b3aN.exe	30
PID 2384 wrote to memory of 2268	2384	e3dcdc96b8c4965c23b60d3aa9fab42b8493b6a5ffbaaefdb35d2218d2108b3aN.exe	30
PID 2384 wrote to memory of 2268	2384	e3dcdc96b8c4965c23b60d3aa9fab42b8493b6a5ffbaaefdb35d2218d2108b3aN.exe	30
PID 2384 wrote to memory of 1308	2384	e3dcdc96b8c4965c23b60d3aa9fab42b8493b6a5ffbaaefdb35d2218d2108b3aN.exe	31
PID 2384 wrote to memory of 1308	2384	e3dcdc96b8c4965c23b60d3aa9fab42b8493b6a5ffbaaefdb35d2218d2108b3aN.exe	31
PID 2384 wrote to memory of 1308	2384	e3dcdc96b8c4965c23b60d3aa9fab42b8493b6a5ffbaaefdb35d2218d2108b3aN.exe	31
PID 2384 wrote to memory of 1308	2384	e3dcdc96b8c4965c23b60d3aa9fab42b8493b6a5ffbaaefdb35d2218d2108b3aN.exe	31

C:\Users\Admin\AppData\Local\Temp\e3dcdc96b8c4965c23b60d3aa9fab42b8493b6a5ffbaaefdb35d2218d2108b3aN.exe
"C:\Users\Admin\AppData\Local\Temp\e3dcdc96b8c4965c23b60d3aa9fab42b8493b6a5ffbaaefdb35d2218d2108b3aN.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2384
- 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:2268
- 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:1308

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
340B

MD5
31e7f85f4eeb16ed0ce1fdaf4dae0418

SHA1
1169cbf553aff5f8544c34a70bac1c623eef47a4

SHA256
6b73096255bbf8b10496a41673059dc4a4d8319f8c6fa6d836e45d8cba0558fc

SHA512
6d84f0c1cb13520e92897fed6d8a47d97cf26bff16d8bbc632dc29d839e57a0607509ed5b12bed6971001edd77406d7edd2ffe35f1f8f39c7e16112c7ddd6d58

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

Filesize
69KB

MD5
bc2354b2c97f307940b9d9b1365faf9d

SHA1
0f83fc84010a96304d868bb4492fd5dc4b461fe8

SHA256
f660a3c864c4f0d76a54b6389a5f575a3659e0f140da623ffb8fb9099c54e33e

SHA512
a6943196a02f31dbcd6047e403c54f77fa5cc64b25fec9ce5f3eb9ea05fae200d65bb8b48839e4228c8db8ee665d56629ce5852343e225408e88c5fa6d532e1e

Download Submit
memory/2268-19-0x00000000001E0000-0x0000000000208000-memory.dmp

Filesize
160KB

Download
memory/2268-22-0x00000000001E0000-0x0000000000208000-memory.dmp

Filesize
160KB

Download
memory/2268-24-0x00000000001E0000-0x0000000000208000-memory.dmp

Filesize
160KB

Download
memory/2268-30-0x00000000001E0000-0x0000000000208000-memory.dmp

Filesize
160KB

Download
memory/2384-0-0x0000000001210000-0x0000000001238000-memory.dmp

Filesize
160KB

Download
memory/2384-18-0x0000000001210000-0x0000000001238000-memory.dmp

Filesize
160KB

Download
memory/2384-16-0x0000000000920000-0x0000000000948000-memory.dmp

Filesize
160KB

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Analysis

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