urelas | 02991152e889974570fc095dbc1fbdb9b6bfc06c9bde74ed2f1c8d97c1404c9b

General

Target

NEAS.634553c3552a5cf504088f62339f89f0_JC.exe
Size

464KB
MD5

634553c3552a5cf504088f62339f89f0
SHA1

dff328fd46ccaa0a941735555b41e6657a01aa9e
SHA256

02991152e889974570fc095dbc1fbdb9b6bfc06c9bde74ed2f1c8d97c1404c9b
SHA512

6876b4b84dba225dfc2714a00545daa173752d7d1a785b790492b4bef0e82054a799cf69afaecf7aac553193a14df23982c7cb26a0d5e76c2f483bd40079050f
SSDEEP

6144:k9H4y9VOpL/DeRRoSGFPRuDYBzFrY5dRA2AkCMnZi6c/2AS9kFwJARejm7I:kZF9VOpnqoSG1EcBhs9xAkLZMomI

Score

10^/10

urelas trojan upx

Malware Config

Extracted

Family

urelas

C2

121.88.5.183

218.54.30.235

Signatures

Urelas
Urelas is a trojan targeting card games.
trojan urelas

Deletes itself 1 IoCs

pid	Process
2696	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2956	sander.exe

Loads dropped DLL 1 IoCs

pid	Process
2468	NEAS.634553c3552a5cf504088f62339f89f0_JC.exe

UPX packed file 7 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2468-0-0x0000000000400000-0x00000000004A9000-memory.dmp	upx
behavioral1/files/0x0031000000016060-4.dat	upx
behavioral1/files/0x0031000000016060-9.dat	upx
behavioral1/memory/2956-16-0x0000000000400000-0x00000000004A9000-memory.dmp	upx
behavioral1/memory/2468-18-0x0000000000400000-0x00000000004A9000-memory.dmp	upx
behavioral1/memory/2956-21-0x0000000000400000-0x00000000004A9000-memory.dmp	upx
behavioral1/memory/2956-22-0x0000000000400000-0x00000000004A9000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2468 wrote to memory of 2956	2468	NEAS.634553c3552a5cf504088f62339f89f0_JC.exe	28
PID 2468 wrote to memory of 2956	2468	NEAS.634553c3552a5cf504088f62339f89f0_JC.exe	28
PID 2468 wrote to memory of 2956	2468	NEAS.634553c3552a5cf504088f62339f89f0_JC.exe	28
PID 2468 wrote to memory of 2956	2468	NEAS.634553c3552a5cf504088f62339f89f0_JC.exe	28
PID 2468 wrote to memory of 2696	2468	NEAS.634553c3552a5cf504088f62339f89f0_JC.exe	29
PID 2468 wrote to memory of 2696	2468	NEAS.634553c3552a5cf504088f62339f89f0_JC.exe	29
PID 2468 wrote to memory of 2696	2468	NEAS.634553c3552a5cf504088f62339f89f0_JC.exe	29
PID 2468 wrote to memory of 2696	2468	NEAS.634553c3552a5cf504088f62339f89f0_JC.exe	29

C:\Users\Admin\AppData\Local\Temp\NEAS.634553c3552a5cf504088f62339f89f0_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.634553c3552a5cf504088f62339f89f0_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2468
- C:\Users\Admin\AppData\Local\Temp\sander.exe
  "C:\Users\Admin\AppData\Local\Temp\sander.exe"
  2⤵
  - Executes dropped EXE
  PID:2956
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\_sannuyex.bat" "
  2⤵
  - Deletes itself
  PID:2696

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\_sannuyex.bat

Filesize
293B

MD5
7e36639bc30041095470dd7551201397

SHA1
54f96768d53904630c95cf73ddcd71b6a49196b9

SHA256
a072ba8d2e54316385090f97c7d97f0e3d2a732123c4cf67d2dde8c621d9b896

SHA512
a6f29e1af54e6f8ddb8d933ede0ab13efe4eadb9915dbbc777dc8cc6568b9995900fa325ced3e8eea27d0c05605a3672988ef2f0a64d64e6043200024d6e6851

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

Filesize
293B

MD5
7e36639bc30041095470dd7551201397

SHA1
54f96768d53904630c95cf73ddcd71b6a49196b9

SHA256
a072ba8d2e54316385090f97c7d97f0e3d2a732123c4cf67d2dde8c621d9b896

SHA512
a6f29e1af54e6f8ddb8d933ede0ab13efe4eadb9915dbbc777dc8cc6568b9995900fa325ced3e8eea27d0c05605a3672988ef2f0a64d64e6043200024d6e6851

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

Filesize
512B

MD5
178eba193b631d7b0653896453b678b2

SHA1
8878cae8fb5417248da5800e4d85b00149160404

SHA256
8c7800dfaf639b17e6b682b6fa2365275e6f80d07e6aa6bb56b676669d0e9db5

SHA512
936f9ec171c7ad5aa63c6691d9ea109a3f1ef31fe00bc26fe5afa8ae0ee21b5d3f65e873a242e7986f98bcb9abc82911dbf34bb907ed7a4973e959b7e90c69d5

Download Submit
C:\Users\Admin\AppData\Local\Temp\sander.exe

Filesize
464KB

MD5
68dbb097c0c8abc781a3ed36a44334e7

SHA1
cfbb9e93052146c5bec04932d5f5697caf5bf229

SHA256
51141f265f9c0988decfaa77d93f8bdb32c4fc0b4bf00be8c360a8a17da30955

SHA512
44d1b8594a4bab040eb6ae631f00d43c1053f5e4eac819b5af800f805bc132265486dc8673728a73e9ea2238b4a59292b95301c7d218ebc77cb40bc940983bb7

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

Filesize
464KB

MD5
68dbb097c0c8abc781a3ed36a44334e7

SHA1
cfbb9e93052146c5bec04932d5f5697caf5bf229

SHA256
51141f265f9c0988decfaa77d93f8bdb32c4fc0b4bf00be8c360a8a17da30955

SHA512
44d1b8594a4bab040eb6ae631f00d43c1053f5e4eac819b5af800f805bc132265486dc8673728a73e9ea2238b4a59292b95301c7d218ebc77cb40bc940983bb7

Download Submit
memory/2468-0-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/2468-8-0x0000000002880000-0x0000000002929000-memory.dmp

Filesize
676KB

Download
memory/2468-18-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/2956-16-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/2956-21-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download
memory/2956-22-0x0000000000400000-0x00000000004A9000-memory.dmp

Filesize
676KB

Download

Analysis

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