cfc3039b9b5e96d5a4f7517d1700d9890c7194a79da7e7797228383fbc6f9273

General

Target

cfc3039b9b5e96d5a4f7517d1700d9890c7194a79da7e7797228383fbc6f9273N.exe
Size

78KB
MD5

e540f17e1c5e251de213b4792563d540
SHA1

65352545fa9c111451f20a1e06aa7f7987c2cfdd
SHA256

cfc3039b9b5e96d5a4f7517d1700d9890c7194a79da7e7797228383fbc6f9273
SHA512

7d395c7ef97692ac7cc9acaca4a4d14139d754452e9a940cf05dfe3c828f11c24a8df7fdf9107bbd3c73e2113a41a5c8c544339a0db911fe73accf934fa3be37
SSDEEP

1536:4PWV5jAXT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQty6A9/o01Gt:4PWV5j4SyRxvhTzXPvCbW2UI9/M

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2908	tmpB0F7.tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
1988	cfc3039b9b5e96d5a4f7517d1700d9890c7194a79da7e7797228383fbc6f9273N.exe
1988	cfc3039b9b5e96d5a4f7517d1700d9890c7194a79da7e7797228383fbc6f9273N.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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\aspnet_state_perf = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.Web.exe\""	tmpB0F7.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	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cvtres.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmpB0F7.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cfc3039b9b5e96d5a4f7517d1700d9890c7194a79da7e7797228383fbc6f9273N.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1988	cfc3039b9b5e96d5a4f7517d1700d9890c7194a79da7e7797228383fbc6f9273N.exe
Token: SeDebugPrivilege	2908	tmpB0F7.tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1988 wrote to memory of 2676	1988	cfc3039b9b5e96d5a4f7517d1700d9890c7194a79da7e7797228383fbc6f9273N.exe	30
PID 1988 wrote to memory of 2676	1988	cfc3039b9b5e96d5a4f7517d1700d9890c7194a79da7e7797228383fbc6f9273N.exe	30
PID 1988 wrote to memory of 2676	1988	cfc3039b9b5e96d5a4f7517d1700d9890c7194a79da7e7797228383fbc6f9273N.exe	30
PID 1988 wrote to memory of 2676	1988	cfc3039b9b5e96d5a4f7517d1700d9890c7194a79da7e7797228383fbc6f9273N.exe	30
PID 2676 wrote to memory of 2260	2676	vbc.exe	32
PID 2676 wrote to memory of 2260	2676	vbc.exe	32
PID 2676 wrote to memory of 2260	2676	vbc.exe	32
PID 2676 wrote to memory of 2260	2676	vbc.exe	32
PID 1988 wrote to memory of 2908	1988	cfc3039b9b5e96d5a4f7517d1700d9890c7194a79da7e7797228383fbc6f9273N.exe	33
PID 1988 wrote to memory of 2908	1988	cfc3039b9b5e96d5a4f7517d1700d9890c7194a79da7e7797228383fbc6f9273N.exe	33
PID 1988 wrote to memory of 2908	1988	cfc3039b9b5e96d5a4f7517d1700d9890c7194a79da7e7797228383fbc6f9273N.exe	33
PID 1988 wrote to memory of 2908	1988	cfc3039b9b5e96d5a4f7517d1700d9890c7194a79da7e7797228383fbc6f9273N.exe	33

C:\Users\Admin\AppData\Local\Temp\cfc3039b9b5e96d5a4f7517d1700d9890c7194a79da7e7797228383fbc6f9273N.exe
"C:\Users\Admin\AppData\Local\Temp\cfc3039b9b5e96d5a4f7517d1700d9890c7194a79da7e7797228383fbc6f9273N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1988
- 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\fm1il-9v.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2676
- - 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\RESB1E2.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcB1E1.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2260
- C:\Users\Admin\AppData\Local\Temp\tmpB0F7.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpB0F7.tmp.exe" C:\Users\Admin\AppData\Local\Temp\cfc3039b9b5e96d5a4f7517d1700d9890c7194a79da7e7797228383fbc6f9273N.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2908

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

System Information Discovery

1

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\RESB1E2.tmp

Filesize
1KB

MD5
e2c8770c59d5492a2427380646ceda79

SHA1
81b8adf66681172b43a09600cd61e9db5f241f45

SHA256
30384cec70a915bbc42d7d6bd4d432044b2ef45eb532ab6f06885a1f957a6c4a

SHA512
f9b1609d18b756b06f83653c666f505c481f1e94c6bbd9d95e64d752115640e6c4de74b0055fa13d47816aa4d570a7965670a0d37f2b5dd1f440799213a7ae37

Download Submit
C:\Users\Admin\AppData\Local\Temp\fm1il-9v.0.vb

Filesize
14KB

MD5
d3642107c9a363b465bc85e99ff9c9cc

SHA1
797cfb65f03e3f5e76a1c624a546f4348c8fade8

SHA256
7ae04ebf2221aa96caed0ef209cd887a497a291be1fda71d8603475ea8e21b34

SHA512
b4ee06e5d658dbc40ff3ab530c89db1e62f8a4544c1f5a98a88e0524386bbe0bd75e369d2538fea3c8ae83f52df3bfad17a8c5b49a9913ecac9cb8f39b2b5aa5

Download Submit
C:\Users\Admin\AppData\Local\Temp\fm1il-9v.cmdline

Filesize
266B

MD5
ba5b62437bfe86425140af8df66eaaf9

SHA1
d09c5fab698bfa74dcd0a548b68a5e7c8375ccf7

SHA256
d53f40f22c6a0a3c2bea1a1da25c3ca27b09df989c05329d4d5fd0397535d8bf

SHA512
320838a55c950f907a138c1c1fc0fa1e954b0e7aaa977cded41c5c1f3245ac8425d36d05814316e4fd37c470705b1d0ffc0b86e9cd56ad3b181b9d5f737e4840

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpB0F7.tmp.exe

Filesize
78KB

MD5
691fe39384325e38aba2915c07a10dae

SHA1
012d8dbdc9ff76e2387c2c93e6601e52739e718f

SHA256
da8003da76aaaaa72946ba23ce819b2e416fd91e0680e5d663e1a14548c015f9

SHA512
54d9d27b0be31aa35dc7627e63eadf08f4e67ceb41dbbd168cfd2af659cbc7f67be9c46c8cf40176486d6a26204944ee8d5e2fd65fa498b29e01a747123152c2

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcB1E1.tmp

Filesize
660B

MD5
d48192a3b5ef49ada9940edb50fbb867

SHA1
cbd29b91dacd5e35dcafcae20691ee0339878fd2

SHA256
929c86767012b1b371a052c4285c2780a356fdc63839ebcfb758b7e0324f98d3

SHA512
34bdfcbb9d51a9ff602e8f9575a64ec9009c2be2603f7526f314a168a66f434b5d0994f44eb2aea2b57f51a9c79dfade60d0d94628947b9e5eccf8764e4a62d2

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

Filesize
62KB

MD5
8fd8e054ba10661e530e54511658ac20

SHA1
72911622012ddf68f95c1e1424894ecb4442e6fd

SHA256
822d92b6f2bd74ba785aa1555b5963c9d7736be1a41241927343dff1caf538d7

SHA512
c14d729a30b055df18cfac5258c30574ca93bd05fb9a86b4be47ed041c7a4ceefa636bf1c2dd0ccd4c922eda785ce80127374fb70f965c1cf7cd323da5c1b24c

Download Submit
memory/1988-0-0x0000000074531000-0x0000000074532000-memory.dmp

Filesize
4KB

Download
memory/1988-1-0x0000000074530000-0x0000000074ADB000-memory.dmp

Filesize
5.7MB

Download
memory/1988-2-0x0000000074530000-0x0000000074ADB000-memory.dmp

Filesize
5.7MB

Download
memory/1988-24-0x0000000074530000-0x0000000074ADB000-memory.dmp

Filesize
5.7MB

Download
memory/2676-8-0x0000000074530000-0x0000000074ADB000-memory.dmp

Filesize
5.7MB

Download
memory/2676-18-0x0000000074530000-0x0000000074ADB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads