urelas | 649ff02ce6096376f2f60efb4f07450c9b8cc78313f4e41f9e662467d115ad39

General

Target

f6e5af41d6a583140527a15a22b3d68c_JaffaCakes118.exe
Size

59KB
MD5

f6e5af41d6a583140527a15a22b3d68c
SHA1

f36b1e2527a4d9f03ac1be6a1be9b14e72efdc26
SHA256

649ff02ce6096376f2f60efb4f07450c9b8cc78313f4e41f9e662467d115ad39
SHA512

f33c3729144f3512bcfec8c57db882bd65f26c8de1e07c3f446603b67851e5b946950dd13303ec7d3b360180a4481e5c0420c67e9f700c02188373fcf5f1f867
SSDEEP

768:n5mhew0GpSyMe6hwUkdwJzh+qciaQRENEzxZbARtR06g2wqp4YPeznellmqGwxPu:nK0GjMeQG3iaQREuVZ6ro29p4YxbKdt

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
2276	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
1900	biudfw.exe

Loads dropped DLL 1 IoCs

pid	Process
2268	f6e5af41d6a583140527a15a22b3d68c_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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f6e5af41d6a583140527a15a22b3d68c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	biudfw.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2268 wrote to memory of 1900	2268	f6e5af41d6a583140527a15a22b3d68c_JaffaCakes118.exe	30
PID 2268 wrote to memory of 1900	2268	f6e5af41d6a583140527a15a22b3d68c_JaffaCakes118.exe	30
PID 2268 wrote to memory of 1900	2268	f6e5af41d6a583140527a15a22b3d68c_JaffaCakes118.exe	30
PID 2268 wrote to memory of 1900	2268	f6e5af41d6a583140527a15a22b3d68c_JaffaCakes118.exe	30
PID 2268 wrote to memory of 2276	2268	f6e5af41d6a583140527a15a22b3d68c_JaffaCakes118.exe	31
PID 2268 wrote to memory of 2276	2268	f6e5af41d6a583140527a15a22b3d68c_JaffaCakes118.exe	31
PID 2268 wrote to memory of 2276	2268	f6e5af41d6a583140527a15a22b3d68c_JaffaCakes118.exe	31
PID 2268 wrote to memory of 2276	2268	f6e5af41d6a583140527a15a22b3d68c_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\f6e5af41d6a583140527a15a22b3d68c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f6e5af41d6a583140527a15a22b3d68c_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2268
- 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:1900
- 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:2276

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
408ff3e8db285f08e104abaa4d7c6420

SHA1
eedae51dd4e8f29ca066846ece65993301fbe709

SHA256
e5122ee2fb3ff46a227a1e239c1650f58f4882eba1cf88d95a58370133281063

SHA512
1e2bc3069acf1156cbfe7676d0515ede11e2d5a28ece4de8b34f1cfaa1a082f219087dfc8da2a2483dc1b174216c9e95ac154c9a08eba0fe695ebc62618ba59d

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

Filesize
59KB

MD5
b0e9825e00b8ae3c4f6fad1e08992076

SHA1
6a5c6dbaada4b6907265cd6eabd9db99a230cb70

SHA256
1d1381149e3a4e09f6781346396393fb91772ae6be605f605b991bd9fb3df991

SHA512
88648887cb614b295ad0896bfcd0e1657b2977660034e0d6a42ad1f7f88705cec6f2af27903cdf9247b0958dea98f0dffec22d9126a7938c6ff62a40b7e840e9

Download Submit
memory/1900-10-0x00000000003A0000-0x00000000003D5000-memory.dmp

Filesize
212KB

Download
memory/1900-22-0x00000000003A0000-0x00000000003D5000-memory.dmp

Filesize
212KB

Download
memory/1900-24-0x00000000003A0000-0x00000000003D5000-memory.dmp

Filesize
212KB

Download
memory/1900-30-0x00000000003A0000-0x00000000003D5000-memory.dmp

Filesize
212KB

Download
memory/2268-0-0x0000000000860000-0x0000000000895000-memory.dmp

Filesize
212KB

Download
memory/2268-8-0x0000000000550000-0x0000000000585000-memory.dmp

Filesize
212KB

Download
memory/2268-19-0x0000000000860000-0x0000000000895000-memory.dmp

Filesize
212KB

Download

Analysis

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