3c5c99d576292d002e5dfdb683c285780c8dd6b6474e0f405b799f6d617962f4

General

Target

3c5c99d576292d002e5dfdb683c285780c8dd6b6474e0f405b799f6d617962f4.exe
Size

78KB
MD5

6374b401c0df839391cf21aa30f7a247
SHA1

9eeeaf015204caafca8273b09fadb663553b7fe7
SHA256

3c5c99d576292d002e5dfdb683c285780c8dd6b6474e0f405b799f6d617962f4
SHA512

5bc6b7bcb28ec9809a6a113ce0f11fd2967ffbcfb819296b068d428d954cc6f6daba853142d3dbcbef13a76d5d3da519695514bbaff69e593a160bdc10a96785
SSDEEP

1536:0WtHFo6rdELT8hn2Ep7WzPdVj6Ju8B3AZ242UdIAkD4x3HT4hPVoYdVQtLc9/w18:0WtHFo8dSE2EwR4uY41HyvYLc9/xH

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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	3c5c99d576292d002e5dfdb683c285780c8dd6b6474e0f405b799f6d617962f4.exe

Executes dropped EXE 1 IoCs

pid	Process
212	tmpA335.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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\mscorsvc = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\sortkey.exe\""	tmpA335.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	tmpA335.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3c5c99d576292d002e5dfdb683c285780c8dd6b6474e0f405b799f6d617962f4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cvtres.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3180	3c5c99d576292d002e5dfdb683c285780c8dd6b6474e0f405b799f6d617962f4.exe
Token: SeDebugPrivilege	212	tmpA335.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3180 wrote to memory of 3924	3180	3c5c99d576292d002e5dfdb683c285780c8dd6b6474e0f405b799f6d617962f4.exe	83
PID 3180 wrote to memory of 3924	3180	3c5c99d576292d002e5dfdb683c285780c8dd6b6474e0f405b799f6d617962f4.exe	83
PID 3180 wrote to memory of 3924	3180	3c5c99d576292d002e5dfdb683c285780c8dd6b6474e0f405b799f6d617962f4.exe	83
PID 3924 wrote to memory of 1056	3924	vbc.exe	85
PID 3924 wrote to memory of 1056	3924	vbc.exe	85
PID 3924 wrote to memory of 1056	3924	vbc.exe	85
PID 3180 wrote to memory of 212	3180	3c5c99d576292d002e5dfdb683c285780c8dd6b6474e0f405b799f6d617962f4.exe	86
PID 3180 wrote to memory of 212	3180	3c5c99d576292d002e5dfdb683c285780c8dd6b6474e0f405b799f6d617962f4.exe	86
PID 3180 wrote to memory of 212	3180	3c5c99d576292d002e5dfdb683c285780c8dd6b6474e0f405b799f6d617962f4.exe	86

C:\Users\Admin\AppData\Local\Temp\3c5c99d576292d002e5dfdb683c285780c8dd6b6474e0f405b799f6d617962f4.exe
"C:\Users\Admin\AppData\Local\Temp\3c5c99d576292d002e5dfdb683c285780c8dd6b6474e0f405b799f6d617962f4.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3180
- 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\sr-vkmrj.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3924
- - 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\RESA49C.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcAC6FF7134D014F0B99E14C5FC4894434.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1056
- C:\Users\Admin\AppData\Local\Temp\tmpA335.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpA335.tmp.exe" C:\Users\Admin\AppData\Local\Temp\3c5c99d576292d002e5dfdb683c285780c8dd6b6474e0f405b799f6d617962f4.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:212

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\RESA49C.tmp

Filesize
1KB

MD5
de45064363189075f793d85b31eab3ba

SHA1
2ffb84ab33a4303dda34cf5969951931f117d7da

SHA256
a04dd1002f1315800ec05198cd339493d503f8562814e0e40fb61bfbdcabcccd

SHA512
5679ea7c0187e00064f9b7c9676fe7cbeaf7d060f7e1f2be546d18ee8cf6a38dcbd21ef031c6fdb4997fedf05a971372130a22b5cf0b56ed6d08a72b6c08596b

Download Submit
C:\Users\Admin\AppData\Local\Temp\sr-vkmrj.0.vb

Filesize
15KB

MD5
53bd433b0d522f336c658444a7398b20

SHA1
bf8f8e873517f1b6897fa058d6d535f868d15fb5

SHA256
6d115a1d9fe1f58b16742db830f086e7f6071156f1f7f86c5ed58d50f116a80d

SHA512
5972b6cbdcdd543b856845bab5185c7052c1c3900337ae68fc8a2b6998b572c6e5cc98847946d15e76ca70d81c5e3fde07cc9d8fdf5a2e4066710d2834ba97f1

Download Submit
C:\Users\Admin\AppData\Local\Temp\sr-vkmrj.cmdline

Filesize
266B

MD5
4e06e3b5b09208cbfafb2defa730a967

SHA1
da5bf653efb3bd3b92dfd4d4fcc607c75e2d8485

SHA256
99df2ebdfe238f7802276aee470d8d3f87babe86e617a6835bad6980ceec02eb

SHA512
747f7ce62b62ede2ff0d06ad8e46c6fa67d61eb3ab522c05fcd5ef81bb7b6bbf9756f5d4bcd4774485c0aa0599607c94c7dee9658900b53c575b84a758eb7c2b

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpA335.tmp.exe

Filesize
78KB

MD5
cb5d1e93842a2abf567de65cce54fb6e

SHA1
488c8e91085946b0e6b1b86607113e99a0a80a5d

SHA256
14752d864170d6097a6b5aaa55d5a47beaae30b21d8be3cab0cb88fa3bc5d50d

SHA512
bd6db4eae8831ddcb364e7885c9d3a616484ce652b78956665b3e8cda0a817cc0319514fde6107eee14927f96ccdc4672596c295309479abb730c9bb27512a97

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcAC6FF7134D014F0B99E14C5FC4894434.TMP

Filesize
660B

MD5
56dc57a2daa7ed585c60f7e9f5501951

SHA1
b6ea53163ab4ac7b54985153debac8b7ba1955ca

SHA256
1da41e59fb9c7c5fa25de3ed4b002bfa3c51537b8ff34e9db9f3f69a4eef9658

SHA512
e47a8924ef4132cdca8362273c6745e9307dd5d1eda6b3ddef2cc3a58ea0b11be9650176b3072ccebb55ae4b65a370da4ad378280c4b71226d5a906a90c84374

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

Filesize
62KB

MD5
6870a276e0bed6dd5394d178156ebad0

SHA1
9b6005e5771bb4afb93a8862b54fe77dc4d203ee

SHA256
69db906941dec2a7f1748ea1d15a058751c77d851ce54ea9e2ebdf1d6c7ed4f4

SHA512
3b6f412d4bdf0939677ab6890a6417da6f737376e13375d2a60871de195aa14344b8340d254b819c850d75a443629cbf26f35533e07aaba9532fdc5284132809

Download Submit
memory/212-25-0x00000000750A0000-0x0000000075651000-memory.dmp

Filesize
5.7MB

Download
memory/212-23-0x00000000750A0000-0x0000000075651000-memory.dmp

Filesize
5.7MB

Download
memory/212-24-0x00000000750A0000-0x0000000075651000-memory.dmp

Filesize
5.7MB

Download
memory/212-27-0x00000000750A0000-0x0000000075651000-memory.dmp

Filesize
5.7MB

Download
memory/212-28-0x00000000750A0000-0x0000000075651000-memory.dmp

Filesize
5.7MB

Download
memory/212-29-0x00000000750A0000-0x0000000075651000-memory.dmp

Filesize
5.7MB

Download
memory/3180-0-0x00000000750A2000-0x00000000750A3000-memory.dmp

Filesize
4KB

Download
memory/3180-22-0x00000000750A0000-0x0000000075651000-memory.dmp

Filesize
5.7MB

Download
memory/3180-1-0x00000000750A0000-0x0000000075651000-memory.dmp

Filesize
5.7MB

Download
memory/3180-2-0x00000000750A0000-0x0000000075651000-memory.dmp

Filesize
5.7MB

Download
memory/3924-18-0x00000000750A0000-0x0000000075651000-memory.dmp

Filesize
5.7MB

Download
memory/3924-9-0x00000000750A0000-0x0000000075651000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads