urelas | 65ec89c1a3d0dd1eb56584da3b23dc7d998fbd6cbf84024ccaa3b8a4a7491f64

General

Target

65ec89c1a3d0dd1eb56584da3b23dc7d998fbd6cbf84024ccaa3b8a4a7491f64.exe
Size

86KB
MD5

0f957791f816c83fe6136f901453c813
SHA1

b018af5b6a6f1b5e28ec20f46829f5c4d7f81407
SHA256

65ec89c1a3d0dd1eb56584da3b23dc7d998fbd6cbf84024ccaa3b8a4a7491f64
SHA512

6b7d7a872cc3186421390597c5439219ae047c27bddd7d11abaa7a6455cde5aa6ea1548f0e4837e429a4ff8956035fc63676a99a3d79817819163435e404e296
SSDEEP

1536:Jz+jIHNv+vsFbwW6dk0QeLb4NMHriBRxiDkURFH0tHY:JznH976dUCnuniDd0RY

Score

10^/10

urelas discovery trojan upx

Malware Config

Extracted

Family

urelas

C2

112.175.88.207

112.175.88.208

Signatures

Urelas
Urelas is a trojan targeting card games.
trojan urelas
Urelas family
urelas

Deletes itself 1 IoCs

pid	Process
2796	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
1192	huter.exe

Loads dropped DLL 1 IoCs

pid	Process
3020	65ec89c1a3d0dd1eb56584da3b23dc7d998fbd6cbf84024ccaa3b8a4a7491f64.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3020-0-0x0000000000400000-0x0000000000431000-memory.dmp	upx
behavioral1/files/0x00290000000150a7-4.dat	upx
behavioral1/memory/3020-17-0x0000000000400000-0x0000000000431000-memory.dmp	upx
behavioral1/memory/1192-20-0x0000000000400000-0x0000000000431000-memory.dmp	upx
behavioral1/memory/1192-23-0x0000000000400000-0x0000000000431000-memory.dmp	upx
behavioral1/memory/1192-30-0x0000000000400000-0x0000000000431000-memory.dmp	upx

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	huter.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	65ec89c1a3d0dd1eb56584da3b23dc7d998fbd6cbf84024ccaa3b8a4a7491f64.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3020 wrote to memory of 1192	3020	65ec89c1a3d0dd1eb56584da3b23dc7d998fbd6cbf84024ccaa3b8a4a7491f64.exe	30
PID 3020 wrote to memory of 1192	3020	65ec89c1a3d0dd1eb56584da3b23dc7d998fbd6cbf84024ccaa3b8a4a7491f64.exe	30
PID 3020 wrote to memory of 1192	3020	65ec89c1a3d0dd1eb56584da3b23dc7d998fbd6cbf84024ccaa3b8a4a7491f64.exe	30
PID 3020 wrote to memory of 1192	3020	65ec89c1a3d0dd1eb56584da3b23dc7d998fbd6cbf84024ccaa3b8a4a7491f64.exe	30
PID 3020 wrote to memory of 2796	3020	65ec89c1a3d0dd1eb56584da3b23dc7d998fbd6cbf84024ccaa3b8a4a7491f64.exe	31
PID 3020 wrote to memory of 2796	3020	65ec89c1a3d0dd1eb56584da3b23dc7d998fbd6cbf84024ccaa3b8a4a7491f64.exe	31
PID 3020 wrote to memory of 2796	3020	65ec89c1a3d0dd1eb56584da3b23dc7d998fbd6cbf84024ccaa3b8a4a7491f64.exe	31
PID 3020 wrote to memory of 2796	3020	65ec89c1a3d0dd1eb56584da3b23dc7d998fbd6cbf84024ccaa3b8a4a7491f64.exe	31

C:\Users\Admin\AppData\Local\Temp\65ec89c1a3d0dd1eb56584da3b23dc7d998fbd6cbf84024ccaa3b8a4a7491f64.exe
"C:\Users\Admin\AppData\Local\Temp\65ec89c1a3d0dd1eb56584da3b23dc7d998fbd6cbf84024ccaa3b8a4a7491f64.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3020
- C:\Users\Admin\AppData\Local\Temp\huter.exe
  "C:\Users\Admin\AppData\Local\Temp\huter.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:1192
- 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:2796

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
a01dba4c45102fc15292fd5591166536

SHA1
d96191c30e0f09439d8547f4ededbf6726ccd54b

SHA256
cc2f9d3db04690b746c18d40c70f8dbc9ca18520b68619d9ccaeac500af98904

SHA512
277a86f44c2648668205cd6c3c9f83feef147a5ad10839a130713eee9c931c26088d4dd95798b1d0e69f3439239abdee79d37656ad3963147a878a9433d60d32

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

Filesize
338B

MD5
ae2478478143e888f8013caa4ca84556

SHA1
22a007752466b7c751189fe1b8de201de6a37fa4

SHA256
9abf386f46ab4999bf95310c6eb9999ec59bcbb959c51d692e668ec43cb99182

SHA512
c4a5e45434eb4583f9e1eb14b886434c2eaddb57034d2514904a1e92d5d5c84cd5603c9226a5c095b71a5e1338291b6a187727397a12bbc88c6ad3abcf626473

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

Filesize
86KB

MD5
67077a99104c53a94af30cb229702680

SHA1
c70d7b93338f80bbc7b64f96ed9dae67b7d5af15

SHA256
9a7469c4b04e53eaa0692b78251a07efc65f275efd28d7f51dde0207a198d340

SHA512
fb7b9d3a480161605708a1ed95cd8c15e0fbcfe16e606b238898f160392fd01d559e7614dc9b45774e8dd6e637f048035884e51c8a30edc1f7f4cb0bd523868b

Download Submit
memory/1192-20-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/1192-23-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/1192-30-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/3020-0-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/3020-17-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/3020-16-0x0000000001D40000-0x0000000001D71000-memory.dmp

Filesize
196KB

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Analysis

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