cf01ff76c1e9f05f683f1d95527926b613fba28624360ba03b5f042c0346460a

General

Target

Start11v2-setup.exe
Size

48.7MB
MD5

67339d3878b0390dab5c52e16a328cf5
SHA1

87eb6da8c5375fb1002fa06d39ea34c91dbb3ff3
SHA256

cf01ff76c1e9f05f683f1d95527926b613fba28624360ba03b5f042c0346460a
SHA512

1fa821797c6650053f6ffb0504a42b1f8af33e8b6bc08f07e42dc157fb5815110b97d43a41276ab7ee210652b80382cc93652d5b459b616de88b1c4e46ce7652
SSDEEP

1572864:QGRnm/K7j/QLcvj1Po1DhW7bs5tbbsOG4PBF:QSnmuoIvjFUW/IbfF

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0006000000023214-5.dat	upx
behavioral2/memory/4372-12-0x0000000000D20000-0x0000000001108000-memory.dmp	upx
behavioral2/memory/4372-91-0x0000000000D20000-0x0000000001108000-memory.dmp	upx
behavioral2/memory/4372-93-0x0000000000D20000-0x0000000001108000-memory.dmp	upx

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation	Start11v2-setup.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation	irsetup.exe

Executes dropped EXE 2 IoCs

pid	Process
4372	irsetup.exe
3208	GetMachineSID.exe

Loads dropped DLL 2 IoCs

pid	Process
4372	irsetup.exe
4372	irsetup.exe

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

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4372	irsetup.exe
4372	irsetup.exe
4372	irsetup.exe
3208	GetMachineSID.exe
4372	irsetup.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 488 wrote to memory of 4372	488	Start11v2-setup.exe	88
PID 488 wrote to memory of 4372	488	Start11v2-setup.exe	88
PID 488 wrote to memory of 4372	488	Start11v2-setup.exe	88
PID 4372 wrote to memory of 1160	4372	irsetup.exe	90
PID 4372 wrote to memory of 1160	4372	irsetup.exe	90
PID 4372 wrote to memory of 1160	4372	irsetup.exe	90
PID 4372 wrote to memory of 3208	4372	irsetup.exe	92
PID 4372 wrote to memory of 3208	4372	irsetup.exe	92
PID 4372 wrote to memory of 3208	4372	irsetup.exe	92

C:\Users\Admin\AppData\Local\Temp\Start11v2-setup.exe
"C:\Users\Admin\AppData\Local\Temp\Start11v2-setup.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:488
- C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\irsetup.exe
  "C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\irsetup.exe" __IRAOFF:1936418 "__IRAFN:C:\Users\Admin\AppData\Local\Temp\Start11v2-setup.exe" "__IRCT:3" "__IRTSS:0" "__IRSID:S-1-5-21-1497073144-2389943819-3385106915-1000"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4372
- - C:\Windows\SysWOW64\reg.exe
    "C:\Windows\system32\reg.exe" export HKLM\Software\Stardock C:\Users\Admin\AppData\Local\Temp\registry_export.txt /y /reg:32
    3⤵
    PID:1160
- - C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\GetMachineSID.exe
    "C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\GetMachineSID.exe" C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\GetMachineSID.tmp
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetWindowsHookEx
    PID:3208

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\Encoding.lmd

Filesize
393KB

MD5
6eec47ab86d212fe3ed0f56985c8e817

SHA1
06da90bcc06c73ce2c7e112818af65f66fcae6c3

SHA256
d0b2fa60e707982899ecd8c4dc462721c82491245b26721a7c0e840c5f557aed

SHA512
36d6ef8a3fecb2c423079cadbfcbe2b044095f641c9a6ce0f9d0e96c6400f00a089aa26cc9d361bfdbcfdc3a8487d18d64956b36f39320648d1ddb565221a9cb

Download Submit
C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\GetMachineSID.exe

Filesize
58KB

MD5
55bbf335f75f2a2fe0a5daf603964d41

SHA1
f1b9686e8a9f10682722fc5e08c02c016b597804

SHA256
723adae0e69127a6bfbc65c5ef552a351264205ea5e2bc3b80e505feaa5d0e43

SHA512
af49055234cb4a0ddbc68212db094c7a7a1058ccf6a1a5830238fe3ff96fa35390d242322436839d6d7e419bd9e4ad8962e213222470625cffb46423dec44db6

Download Submit
C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\GetMachineSID.tmp

Filesize
41B

MD5
6faa3ebdb1674cb7efc564c28d504779

SHA1
3a7e070d3bb674179c4d113d574d79bcd639515f

SHA256
76627ea5f075d5e96e708b08659f3d2cca0d47ed87cf831ebbce664eda6f7d3c

SHA512
2e482b9319bc7b6a01ac07926d261851c0a8062da5271ec87ee3cc98563075a2c83be51fb7b6ab84a3dae08719781b94d01b59157bbf0906ffa60cc4ba3dcc94

Download Submit
C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\eula.txt

Filesize
22KB

MD5
1345eca97d4afbfce7519c90b5312ab1

SHA1
6bbf9ae942e0e066b9039d8f437ae364a3887b64

SHA256
ee0c0b950573ae14eb006168a7c42b1c2bc1edf9223c9acc560db13bc63900e1

SHA512
8c48526f2aa7b066dbfa15434fd6c1a555544d100cd30c6ea92021a65f21a2a20ea1c0f5cf1f37b3d1cd564f30c4999ce83d269ab729822904102a27cd40795e

Download Submit
C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\irsetup.exe

Filesize
1.3MB

MD5
68ac216f38a5f7c823712c216ca4b060

SHA1
f6ad96e91103c40eb33fd3f1324d99093e5d014e

SHA256
748d48d246526e2a79edcde87255ffa5387e3bcc94f6ca5e59589e07e683cd80

SHA512
9b7dce4ed6e2caee1cdb33e490e7062344d95d27ba48e96f66094a3413da27fb32680dd2e9a5b2091489780929c27fe36914210793fbef81dfb5b4fb1a9b469b

Download Submit
C:\Users\Admin\AppData\Local\Temp\_ir_sf_temp_0\lua5.1.dll

Filesize
326KB

MD5
80d93d38badecdd2b134fe4699721223

SHA1
e829e58091bae93bc64e0c6f9f0bac999cfda23d

SHA256
c572a6103af1526f97e708a229a532fd02100a52b949f721052107f1f55e0c59

SHA512
9f28073cc186b55ef64661c2e4f6fe1c112785a262b9d8e9a431703fdb1000f1d8cc0b2a3c153c822cfd48782ae945742ccb07beae4d6388d5d0b4df03103bd4

Download Submit
C:\Users\Admin\AppData\Local\Temp\registry_export.txt

Filesize
474B

MD5
c6247e9f51d328f2d7d1bcf2dde15ae9

SHA1
66428b3d3a9789b980c7a820fb72ffb31e200f8b

SHA256
8540a5e828472342d208efce8a59cb130f735331eaaac4dda3a5ba8b4dbc17fd

SHA512
e093d2d3c1826afcac9158e9b5c98faa03c3a1d5642ea4f97cd93a8755d3f5be594651f3c9fbddd4df07850c13158fc84bc7541ebb84a501086f3916244523fc

Download Submit
memory/4372-48-0x00000000035E0000-0x00000000035E3000-memory.dmp

Filesize
12KB

Download
memory/4372-46-0x0000000010000000-0x0000000010144000-memory.dmp

Filesize
1.3MB

Download
memory/4372-12-0x0000000000D20000-0x0000000001108000-memory.dmp

Filesize
3.9MB

Download
memory/4372-91-0x0000000000D20000-0x0000000001108000-memory.dmp

Filesize
3.9MB

Download
memory/4372-92-0x0000000010000000-0x0000000010144000-memory.dmp

Filesize
1.3MB

Download
memory/4372-93-0x0000000000D20000-0x0000000001108000-memory.dmp

Filesize
3.9MB

Download
memory/4372-96-0x0000000010000000-0x0000000010144000-memory.dmp

Filesize
1.3MB

Download
memory/4372-98-0x0000000010000000-0x0000000010144000-memory.dmp

Filesize
1.3MB

Download
memory/4372-118-0x0000000010000000-0x0000000010144000-memory.dmp

Filesize
1.3MB

Download

Analysis

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