urelas | 4b977cf4a8537225d40489ef6b86464943d0c6e21bfacb1713022d0dcdae3f6f

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-12-2024 05:13

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General

Target

c6112938a6260ef29476f72e3c472760_JaffaCakes118.exe
Size

156KB
MD5

c6112938a6260ef29476f72e3c472760
SHA1

4fd2916d27c822c7b1104d32c53fc453eee2d2b6
SHA256

4b977cf4a8537225d40489ef6b86464943d0c6e21bfacb1713022d0dcdae3f6f
SHA512

5c75ec2483cb3fb0c5018ad1ead40ca742f7c0dce8db3063c58e101e57b7396ef5af852da61425066266f1fc3174344efd86ca851724deb2d0773bda84f0e979
SSDEEP

1536:yXZ56F5r5JZJWEtVpFqN9BBKweuVHZJ71/j+suPG0Hc18yPsWjcdWny6k04yW/Xh:yp56zRJ83+OJ7NoGvdwWy6k04yW/KNg

Score

10^/10

urelas discovery trojan

Malware Config

Extracted

Family

urelas

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
972	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2472	biudfw.exe

Loads dropped DLL 1 IoCs

pid	Process
276	c6112938a6260ef29476f72e3c472760_JaffaCakes118.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	c6112938a6260ef29476f72e3c472760_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 276 wrote to memory of 2472	276	c6112938a6260ef29476f72e3c472760_JaffaCakes118.exe	31
PID 276 wrote to memory of 2472	276	c6112938a6260ef29476f72e3c472760_JaffaCakes118.exe	31
PID 276 wrote to memory of 2472	276	c6112938a6260ef29476f72e3c472760_JaffaCakes118.exe	31
PID 276 wrote to memory of 2472	276	c6112938a6260ef29476f72e3c472760_JaffaCakes118.exe	31
PID 276 wrote to memory of 972	276	c6112938a6260ef29476f72e3c472760_JaffaCakes118.exe	32
PID 276 wrote to memory of 972	276	c6112938a6260ef29476f72e3c472760_JaffaCakes118.exe	32
PID 276 wrote to memory of 972	276	c6112938a6260ef29476f72e3c472760_JaffaCakes118.exe	32
PID 276 wrote to memory of 972	276	c6112938a6260ef29476f72e3c472760_JaffaCakes118.exe	32

C:\Users\Admin\AppData\Local\Temp\c6112938a6260ef29476f72e3c472760_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c6112938a6260ef29476f72e3c472760_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:276
- 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:2472
- 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:972

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
512B

MD5
ac5e84ed8031d66a9fcd5e472ba8091b

SHA1
06303add604104d6abbb69458f89773c066b470c

SHA256
3a3cfa6f4786dab0ac8bc76204948f32a3a2cbd094922f87c251ec80d22baae5

SHA512
7bf829102a70a1304dae435b8ae3c9ef9a925af7e995fe381d80730f4f702e1fd2a0a1b6a3a4b4667925f5bb95c897166a8fc0f52d3171d9cdba0bf09b53f152

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

Filesize
302B

MD5
1a2201de7be1353d06d70e27177e1c25

SHA1
ce7b7ce76c37afd841e57d48541c3b17f44d35ca

SHA256
dafcee6ee31b22518b5e45351d256f301fde068a505c60f71b918bbded3abc50

SHA512
2783af927a721cf30753c6a83b0c29e2d9ad519a1d3288fcb6786ccc92489a49577b35f34fbbc8ca3a9a3e7c3bbff6ebb583d53b9af1bf0a2fc1655056f82a29

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

Filesize
156KB

MD5
2062408e35ea707078e2392dfd788995

SHA1
833eacb2ceb4fc706a793f9553c93fbb5f3c67e9

SHA256
94b005532d6d40cc7b1675831554a3b5b238b039bb6674fbf9744bbc1a409e8b

SHA512
1b718706dece198bfe328f46c84f9684547851a8c6ebdbff762ea2526b78afc9f21f2a789e07a9f88cc511c99c750d832f443c8971b1a8a5e7154f7d7ef72d7f

Download Submit
memory/276-0-0x0000000000CC0000-0x0000000000CEB000-memory.dmp

Filesize
172KB

Download
memory/276-6-0x0000000000290000-0x00000000002BB000-memory.dmp

Filesize
172KB

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memory/276-18-0x0000000000CC0000-0x0000000000CEB000-memory.dmp

Filesize
172KB

Download
memory/2472-10-0x0000000000CB0000-0x0000000000CDB000-memory.dmp

Filesize
172KB

Download
memory/2472-21-0x0000000000CB0000-0x0000000000CDB000-memory.dmp

Filesize
172KB

Download
memory/2472-22-0x0000000000CB0000-0x0000000000CDB000-memory.dmp

Filesize
172KB

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