urelas | 05b595f4eba967c0917e59563f3c4c05a7d1ef128d5f6886c8602dc10cc5f6df

General

Target

79cfacab10ccd2121527062f1a083880_JaffaCakes118.exe
Size

59KB
MD5

79cfacab10ccd2121527062f1a083880
SHA1

92b38d2971f6a90094cd7e6bcc205b8635c30410
SHA256

05b595f4eba967c0917e59563f3c4c05a7d1ef128d5f6886c8602dc10cc5f6df
SHA512

c70b1a74cc93ac61cbbeb2e6d664a0f6a52af16315a24f0829dfdb601350cff92c577dd42c21a4b0bfdf179a8d8761c0dd0d9cf58e6ab89556bf7ce11b8e989a
SSDEEP

768:n5mhew0GpSyMe6hwUkdwJzh+qciaQRENEzxZbARtR06g2wqp4YPeznellmqGwxPJ:nK0GjMeQG3iaQREuVZ6ro29p4YxbKdO

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

Processes:

cmd.exe

pid process

2540 cmd.exe
Executes dropped EXE 1 IoCs

Processes:

biudfw.exe

pid process

3060 biudfw.exe
Loads dropped DLL 1 IoCs

Processes:

79cfacab10ccd2121527062f1a083880_JaffaCakes118.exe

pid process

2420 79cfacab10ccd2121527062f1a083880_JaffaCakes118.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2540	cmd.exe

pid	process
3060	biudfw.exe

pid	process
2420	79cfacab10ccd2121527062f1a083880_JaffaCakes118.exe

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

Processes:

79cfacab10ccd2121527062f1a083880_JaffaCakes118.exebiudfw.execmd.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	79cfacab10ccd2121527062f1a083880_JaffaCakes118.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

Processes:

79cfacab10ccd2121527062f1a083880_JaffaCakes118.exe

description	pid	process	target process
PID 2420 wrote to memory of 3060	2420	79cfacab10ccd2121527062f1a083880_JaffaCakes118.exe	biudfw.exe
PID 2420 wrote to memory of 3060	2420	79cfacab10ccd2121527062f1a083880_JaffaCakes118.exe	biudfw.exe
PID 2420 wrote to memory of 3060	2420	79cfacab10ccd2121527062f1a083880_JaffaCakes118.exe	biudfw.exe
PID 2420 wrote to memory of 3060	2420	79cfacab10ccd2121527062f1a083880_JaffaCakes118.exe	biudfw.exe
PID 2420 wrote to memory of 2540	2420	79cfacab10ccd2121527062f1a083880_JaffaCakes118.exe	cmd.exe
PID 2420 wrote to memory of 2540	2420	79cfacab10ccd2121527062f1a083880_JaffaCakes118.exe	cmd.exe
PID 2420 wrote to memory of 2540	2420	79cfacab10ccd2121527062f1a083880_JaffaCakes118.exe	cmd.exe
PID 2420 wrote to memory of 2540	2420	79cfacab10ccd2121527062f1a083880_JaffaCakes118.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\79cfacab10ccd2121527062f1a083880_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\79cfacab10ccd2121527062f1a083880_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2420
- 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:3060
- 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:2540

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
55e10a9af74d3f3fa5ae3cb7ff5ad9d4

SHA1
449221fd8d7196a54de2bd583625d8d1b64db56a

SHA256
a945a44cfe50423c01f26a16445ed177a347052e791364a9cb7de6bcaa18f3c1

SHA512
4af5ba74467b4c61302ea9571f19346c05f911843f2c6153fcd9a7340f9bc6e1f8867cdb72ec7ba0dc4930199aa5c302711ad5da9fd35241839418f6e70a515a

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

Filesize
302B

MD5
3f6059794d049dba925379be18aaf31a

SHA1
5efcb729f93d21c54f1d220be7aa0290f2c891e6

SHA256
ea934bcdc44ed95b7d9cd093302cb41fcc7defae052b9fd956bdcc31ef8b6961

SHA512
b78523460ab3c9618d8b4077b1fb3dc5a9591ed2a5cf9e9e1f935d06de8650eee4606ac3957ac1f0ee11bc03385aab5d6333276518ae7094bf33ab3cb219b433

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

Filesize
59KB

MD5
d3440fbbf0de0f6f4dca96f7d487789d

SHA1
9787063a7e0ddb7f011b6752de9f7d67332a9f56

SHA256
90ec64753f7058e2a0282f7a06a3d408260bcc0d4e5e9ef879a4ad6ba1ffec82

SHA512
073f2ec4746cfe237880ef7fc6a6f5ad82777f3a8b8a782c491a324239dd999548cfe363a54c57f7272599e31b202a46b0ee08a260fffc24f923e476b6f7575d

Download Submit
memory/2420-0-0x0000000001240000-0x0000000001275000-memory.dmp

Filesize
212KB

Download
memory/2420-10-0x0000000000990000-0x00000000009C5000-memory.dmp

Filesize
212KB

Download
memory/2420-18-0x0000000001240000-0x0000000001275000-memory.dmp

Filesize
212KB

Download
memory/3060-16-0x0000000000D40000-0x0000000000D75000-memory.dmp

Filesize
212KB

Download
memory/3060-21-0x0000000000D40000-0x0000000000D75000-memory.dmp

Filesize
212KB

Download
memory/3060-23-0x0000000000D40000-0x0000000000D75000-memory.dmp

Filesize
212KB

Download
memory/3060-30-0x0000000000D40000-0x0000000000D75000-memory.dmp

Filesize
212KB

Download

Analysis

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