urelas | accf7142aadfa962d7d9b6429c187f947d4dfb18b1efce16ffc7bfd3a783243b

Analysis

max time kernel
90s
max time network
87s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
04/12/2024, 23:26

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General

Target

c4d388d5c665a255bfca5e23cfd64c64_JaffaCakes118.exe
Size

135KB
MD5

c4d388d5c665a255bfca5e23cfd64c64
SHA1

ecea4051eb5b16bd2c9fd38bf63683b670036050
SHA256

accf7142aadfa962d7d9b6429c187f947d4dfb18b1efce16ffc7bfd3a783243b
SHA512

6bb24aafc815062039d7f4a80b2cd5237f07b511d35cb0bc0e5fcbb2e00233c1936fead32cf879b2a9f57d42795dbfb8d1cfaf9a20a00943af1d26427a9b0372
SSDEEP

1536:P/oEkqfCZ10zcT9Yh8AIXcjyz9cOXfiXGImcatMrsWjcdf6odgR5APW:P/5kqCxiXEcO3XfGf2tMUf6odgR5AO

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
2904	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
1620	biudfw.exe

Loads dropped DLL 1 IoCs

pid	Process
2296	c4d388d5c665a255bfca5e23cfd64c64_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	c4d388d5c665a255bfca5e23cfd64c64_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

description	pid	Process	procid_target
PID 2296 wrote to memory of 1620	2296	c4d388d5c665a255bfca5e23cfd64c64_JaffaCakes118.exe	30
PID 2296 wrote to memory of 1620	2296	c4d388d5c665a255bfca5e23cfd64c64_JaffaCakes118.exe	30
PID 2296 wrote to memory of 1620	2296	c4d388d5c665a255bfca5e23cfd64c64_JaffaCakes118.exe	30
PID 2296 wrote to memory of 1620	2296	c4d388d5c665a255bfca5e23cfd64c64_JaffaCakes118.exe	30
PID 2296 wrote to memory of 2904	2296	c4d388d5c665a255bfca5e23cfd64c64_JaffaCakes118.exe	31
PID 2296 wrote to memory of 2904	2296	c4d388d5c665a255bfca5e23cfd64c64_JaffaCakes118.exe	31
PID 2296 wrote to memory of 2904	2296	c4d388d5c665a255bfca5e23cfd64c64_JaffaCakes118.exe	31
PID 2296 wrote to memory of 2904	2296	c4d388d5c665a255bfca5e23cfd64c64_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\c4d388d5c665a255bfca5e23cfd64c64_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c4d388d5c665a255bfca5e23cfd64c64_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2296
- 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:1620
- 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:2904

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

Replay Monitor

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Downloads

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
302B

MD5
3ff7297904c42d484f2cb8967ae6e394

SHA1
f65da51dc90d6dcfbf371de33d2e776e99a36536

SHA256
00fbd9e6d871519842087de759d2a511c8e406cc09759e36339872f764b4cadb

SHA512
a1ad7785ad5c305369c61ae5402ddd1520fc826631bfa2e0f08d421d98df373e2f51ab5a320ad2abec75efe67a9f5ce38a91ef394badb513cc02899514db6249

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

Filesize
136KB

MD5
66b34dafeb2623b8ae8984ff40b8057d

SHA1
b96910354d08746e3af4e24253585f34095d576e

SHA256
4dd6aad9394a24dc36c1f0e660190a07478b2129f8023dc7107d40d45424f991

SHA512
9a5f85aee3fdcff38c30f1171492861a135f9f7fa900627b4c2ec9a7ee59d62926c172e6f3ddeca61d79eb3d786682462c1a6cbd4f9200af13edd8997e59db57

Download Submit
memory/1620-10-0x00000000008B0000-0x00000000008D7000-memory.dmp

Filesize
156KB

Download
memory/1620-21-0x00000000008B0000-0x00000000008D7000-memory.dmp

Filesize
156KB

Download
memory/1620-22-0x00000000008B0000-0x00000000008D7000-memory.dmp

Filesize
156KB

Download
memory/2296-0-0x0000000001130000-0x0000000001157000-memory.dmp

Filesize
156KB

Download
memory/2296-8-0x0000000000310000-0x0000000000337000-memory.dmp

Filesize
156KB

Download
memory/2296-18-0x0000000001130000-0x0000000001157000-memory.dmp

Filesize
156KB

Download