f5cc521574d00c38ce2f211e49c2cacd36a177b04a0cadc0d65c8d2ec9ba71f2

General

Target

f5cc521574d00c38ce2f211e49c2cacd36a177b04a0cadc0d65c8d2ec9ba71f2N.exe
Size

78KB
MD5

769bedaefa73efbdbb4a456f208a4250
SHA1

345afffc48e5dcd99c97e6781d19bd679b033304
SHA256

f5cc521574d00c38ce2f211e49c2cacd36a177b04a0cadc0d65c8d2ec9ba71f2
SHA512

4e726cd3e0954ca61314f5b12105da94eefb5d130fa5e0444a2d824968e9c164aa31aba29f8083bf174f4b3b8c3e71ca5b0f49ab4f1ee72db2d7381c24ddc676
SSDEEP

1536:rBWV58UAlGmWw644txVILJtcfJuovFdPKmNqOqD70Gou2P2oYe9Qtt60m9/E1qv:tWV58UAtWDDILJLovbicqOq3o+nE9/l

Score

7^/10

discovery persistence

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	f5cc521574d00c38ce2f211e49c2cacd36a177b04a0cadc0d65c8d2ec9ba71f2N.exe

Executes dropped EXE 1 IoCs

pid	Process
5016	tmpB91E.tmp.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\caspol.exe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\InstallMembership.exe\""	tmpB91E.tmp.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 4 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	f5cc521574d00c38ce2f211e49c2cacd36a177b04a0cadc0d65c8d2ec9ba71f2N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cvtres.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmpB91E.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4904	f5cc521574d00c38ce2f211e49c2cacd36a177b04a0cadc0d65c8d2ec9ba71f2N.exe
Token: SeDebugPrivilege	5016	tmpB91E.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4904 wrote to memory of 2568	4904	f5cc521574d00c38ce2f211e49c2cacd36a177b04a0cadc0d65c8d2ec9ba71f2N.exe	82
PID 4904 wrote to memory of 2568	4904	f5cc521574d00c38ce2f211e49c2cacd36a177b04a0cadc0d65c8d2ec9ba71f2N.exe	82
PID 4904 wrote to memory of 2568	4904	f5cc521574d00c38ce2f211e49c2cacd36a177b04a0cadc0d65c8d2ec9ba71f2N.exe	82
PID 2568 wrote to memory of 4836	2568	vbc.exe	84
PID 2568 wrote to memory of 4836	2568	vbc.exe	84
PID 2568 wrote to memory of 4836	2568	vbc.exe	84
PID 4904 wrote to memory of 5016	4904	f5cc521574d00c38ce2f211e49c2cacd36a177b04a0cadc0d65c8d2ec9ba71f2N.exe	85
PID 4904 wrote to memory of 5016	4904	f5cc521574d00c38ce2f211e49c2cacd36a177b04a0cadc0d65c8d2ec9ba71f2N.exe	85
PID 4904 wrote to memory of 5016	4904	f5cc521574d00c38ce2f211e49c2cacd36a177b04a0cadc0d65c8d2ec9ba71f2N.exe	85

C:\Users\Admin\AppData\Local\Temp\f5cc521574d00c38ce2f211e49c2cacd36a177b04a0cadc0d65c8d2ec9ba71f2N.exe
"C:\Users\Admin\AppData\Local\Temp\f5cc521574d00c38ce2f211e49c2cacd36a177b04a0cadc0d65c8d2ec9ba71f2N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4904
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /noconfig @"C:\Users\Admin\AppData\Local\Temp\hfwzlc-v.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2568
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
    C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESBA67.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc334B18CDE19D4066B1E37FEF1ECD2E0.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4836
- C:\Users\Admin\AppData\Local\Temp\tmpB91E.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpB91E.tmp.exe" C:\Users\Admin\AppData\Local\Temp\f5cc521574d00c38ce2f211e49c2cacd36a177b04a0cadc0d65c8d2ec9ba71f2N.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:5016

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\RESBA67.tmp

Filesize
1KB

MD5
667c1feb93bdc832a52e0710b17ef8a0

SHA1
4e709f98b7ea74064f94dec94a9b5941eb75a3ed

SHA256
1953ff6c1197bf490c08ded0f1f30b9e24af406c9f47fbc19a261488dd742bb7

SHA512
901fbe705057f8c81a21947550a598df08833290b836bf1b1b755a34a15cc8bb72f7812b4317b16cdfff5415e03ca4976de292b6f9ac238ba6727edacfc06bdb

Download Submit
C:\Users\Admin\AppData\Local\Temp\hfwzlc-v.0.vb

Filesize
14KB

MD5
7ab432dd2348e17357ddc0dd53977d84

SHA1
1e0479ff182c25b8c15011d681b23ad09eff379c

SHA256
ed9dbb4c94b97b67e58e38195fb998ce4ffd3cc41c480c0b5ff7dddf864490f8

SHA512
f66ca09b50d3ee2b82d557e7329ee5fed1a57b697f7798ed13e55a19cf82ef555b5881b0dcdb1c126d2262d1edd41279c6d6dae904f3cacc6bf17fe3324faefb

Download Submit
C:\Users\Admin\AppData\Local\Temp\hfwzlc-v.cmdline

Filesize
266B

MD5
fb11a5d89ce5494cb7b8b449822a81a9

SHA1
dbf4e92e315e99f5d1e3fe3fd5731c31d5c6d89a

SHA256
e2919f0d4b218c155ab91cfffcc2e93a4352c2a99842f76fe01b18382af18566

SHA512
da14f1ee10024c17216efb5489c3ca59a64379ec593c2527a3d7255194347f034998000e152a3b9597d0ac20d45dfffed44d18c9f6fc469708004c90dca05b14

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpB91E.tmp.exe

Filesize
78KB

MD5
60e6f3804fc8f605b1d8f7a29c9ae8d2

SHA1
bcae475dc265144de2c03fb9a626a082ce99d24f

SHA256
eab6c8ca1933dbda715f21322dc8233513538f70805377aad38dd9d05f68f13f

SHA512
fd7491a4df463b2d7fb66c1bac8113da89987929d1b4084d2b737f9da96f344ad63df6a990ccad5191cb1db6784ab0ccdcdb6db1646562996d4803d86d4b2a6f

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbc334B18CDE19D4066B1E37FEF1ECD2E0.TMP

Filesize
660B

MD5
fabc32497fc0eae4f2fe44ba421d1ef7

SHA1
120342f353ae6d7cfebcccd18b8779878a0e72cf

SHA256
6e0d39f3d0e764f3305d7fab4ae353a8f13b1d01b3b7ba9e39d4693619d40876

SHA512
d0ed7fb5537203e74adb0ec94faf4b1d80bd45bc425fd4461fe60f9c220574cda75ff07f4cc7e3a1bef49716577a8575eef76d04ce387110e410fad1fecc2624

Download Submit
C:\Users\Admin\AppData\Local\Temp\zCom.resources

Filesize
62KB

MD5
a26b0f78faa3881bb6307a944b096e91

SHA1
42b01830723bf07d14f3086fa83c4f74f5649368

SHA256
b43ecda931e7af03f0768c905ed9fa82c03e41e566b1dff9960afc6b91ae5ab5

SHA512
a0e9c2814fca6bcf87e779592c005d7a8eef058a61f5a5443f7cf8d97e2316d0cde91ed51270bbcc23ccf68c7fc4a321a5a95a4eed75cb8d8a45cb3aa725fb9c

Download Submit
memory/2568-8-0x0000000075540000-0x0000000075AF1000-memory.dmp

Filesize
5.7MB

Download
memory/2568-18-0x0000000075540000-0x0000000075AF1000-memory.dmp

Filesize
5.7MB

Download
memory/4904-0-0x0000000075542000-0x0000000075543000-memory.dmp

Filesize
4KB

Download
memory/4904-2-0x0000000075540000-0x0000000075AF1000-memory.dmp

Filesize
5.7MB

Download
memory/4904-1-0x0000000075540000-0x0000000075AF1000-memory.dmp

Filesize
5.7MB

Download
memory/4904-22-0x0000000075540000-0x0000000075AF1000-memory.dmp

Filesize
5.7MB

Download
memory/5016-23-0x0000000075540000-0x0000000075AF1000-memory.dmp

Filesize
5.7MB

Download
memory/5016-24-0x0000000075540000-0x0000000075AF1000-memory.dmp

Filesize
5.7MB

Download
memory/5016-25-0x0000000075540000-0x0000000075AF1000-memory.dmp

Filesize
5.7MB

Download
memory/5016-26-0x0000000075540000-0x0000000075AF1000-memory.dmp

Filesize
5.7MB

Download
memory/5016-27-0x0000000075540000-0x0000000075AF1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads