urelas | a7db9518da51a49ecbb9e7960f4137faca815e2c31d667ed2592625ce66b0312

General

Target

a7db9518da51a49ecbb9e7960f4137faca815e2c31d667ed2592625ce66b0312N.exe
Size

141KB
MD5

fecb25b3d5eb1a48e524807cab3ec700
SHA1

412895faca98f025f4841f34f386d73e8cf170b5
SHA256

a7db9518da51a49ecbb9e7960f4137faca815e2c31d667ed2592625ce66b0312
SHA512

1ed4522d1c7c0ddd7d37357b86ab2869a588824ad5b3147f4679683e86d4ad0f7ae6ab1e73a253e2eb70594ec0e097ad4d85f5bf71a69b89e4671ddc2937ed81
SSDEEP

1536:P/oEkqfCZ10zcT9Yh8AIXcjyz9cOXfiXGImcatMrsWjcdf6odgR5APfIYs:P/5kqCxiXEcO3XfGf2tMUf6odgR5A4Ys

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
2768	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2796	biudfw.exe

Loads dropped DLL 1 IoCs

pid	Process
2272	a7db9518da51a49ecbb9e7960f4137faca815e2c31d667ed2592625ce66b0312N.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	a7db9518da51a49ecbb9e7960f4137faca815e2c31d667ed2592625ce66b0312N.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 2272 wrote to memory of 2796	2272	a7db9518da51a49ecbb9e7960f4137faca815e2c31d667ed2592625ce66b0312N.exe	31
PID 2272 wrote to memory of 2796	2272	a7db9518da51a49ecbb9e7960f4137faca815e2c31d667ed2592625ce66b0312N.exe	31
PID 2272 wrote to memory of 2796	2272	a7db9518da51a49ecbb9e7960f4137faca815e2c31d667ed2592625ce66b0312N.exe	31
PID 2272 wrote to memory of 2796	2272	a7db9518da51a49ecbb9e7960f4137faca815e2c31d667ed2592625ce66b0312N.exe	31
PID 2272 wrote to memory of 2768	2272	a7db9518da51a49ecbb9e7960f4137faca815e2c31d667ed2592625ce66b0312N.exe	32
PID 2272 wrote to memory of 2768	2272	a7db9518da51a49ecbb9e7960f4137faca815e2c31d667ed2592625ce66b0312N.exe	32
PID 2272 wrote to memory of 2768	2272	a7db9518da51a49ecbb9e7960f4137faca815e2c31d667ed2592625ce66b0312N.exe	32
PID 2272 wrote to memory of 2768	2272	a7db9518da51a49ecbb9e7960f4137faca815e2c31d667ed2592625ce66b0312N.exe	32

C:\Users\Admin\AppData\Local\Temp\a7db9518da51a49ecbb9e7960f4137faca815e2c31d667ed2592625ce66b0312N.exe
"C:\Users\Admin\AppData\Local\Temp\a7db9518da51a49ecbb9e7960f4137faca815e2c31d667ed2592625ce66b0312N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2272
- 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:2796
- 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:2768

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\biudfw.exe

Filesize
141KB

MD5
60c1772b91183b4494f09c0d38364b10

SHA1
c44e1b02f60037f7ce3311a2768d53d6c464f264

SHA256
091ae9feab462bb880b8ba13773ba2e8034e9d1c0078ac22fafb94c97e13305b

SHA512
896c4d32618c0bc80ef3649377472ef9a936f375e6baf679a12d5a2790fe201de0a2673bb35bf7adaba85f10d144e3689eed9a3c17806a3cf5a1509dd4946623

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

Filesize
512B

MD5
0ecda9ecaa423d5a8481985b7d3d5a77

SHA1
ecc237c20c234cf9c0e20b39a39ab27244dc7971

SHA256
caed69520592602de846673610507a47e22e0fb108e8e88ba1a85b314607f0a9

SHA512
82ce4bfc411781d187b6151383064f18e22b37f5f03d783476fed1c8ba74ee38dc74b16badf96961e22d6b63ae31425ae785c17fa3bd5d767ae3b0bd9652fe3a

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

Filesize
340B

MD5
7deffd8d0ebafce17a2ae0f361319fb8

SHA1
4fecab27f8edce650e396aebdc7f73be5a7d2c38

SHA256
917912ff4c712a334cfd568bdda422a9b734784b9ee1f9ff8aa35759f49b8f81

SHA512
94ea8802cfd119c4fbdc62d49d87df195bda5308417a6451b7a25ec4105f493dd54e0ea5a16a37e5c0a761f7fa2f7c89e541706c30f9ef16590f4e906770bcda

Download Submit
memory/2272-0-0x0000000000150000-0x0000000000177000-memory.dmp

Filesize
156KB

Download
memory/2272-10-0x0000000000450000-0x0000000000477000-memory.dmp

Filesize
156KB

Download
memory/2272-18-0x0000000000150000-0x0000000000177000-memory.dmp

Filesize
156KB

Download
memory/2796-11-0x00000000001D0000-0x00000000001F7000-memory.dmp

Filesize
156KB

Download
memory/2796-21-0x00000000001D0000-0x00000000001F7000-memory.dmp

Filesize
156KB

Download
memory/2796-22-0x00000000001D0000-0x00000000001F7000-memory.dmp

Filesize
156KB

Download

Analysis

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