a6dc10c08ecaf40db65fdcdfc4839f487257f3bf9db44cfca62d9fa76f49f611

General

Target

a6dc10c08ecaf40db65fdcdfc4839f487257f3bf9db44cfca62d9fa76f49f611N.exe
Size

78KB
MD5

864d51ebd98fba435ff1c57c5696c760
SHA1

9420d56ef6166d7ab5306904e580d31d68d6aee0
SHA256

a6dc10c08ecaf40db65fdcdfc4839f487257f3bf9db44cfca62d9fa76f49f611
SHA512

3e8afbacf784128e168e3929f4f4a937276dd3e7098f46e2c44ff73b1232ef8b65ed0567285f65fb64b297549f9247deaf5234b3df0f4fbb9ea522f3294ebe72
SSDEEP

1536:bmCHHuaJtZAlGmWw644txVILJtcfJuovFdPKmNqOqD70Gou2P2oYe9QtLa9/J1zk:KCH/3ZAtWDDILJLovbicqOq3o+nLa9/c

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

pid	Process
2976	tmp950F.tmp.exe

Executes dropped EXE 1 IoCs

pid	Process
2976	tmp950F.tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
1288	a6dc10c08ecaf40db65fdcdfc4839f487257f3bf9db44cfca62d9fa76f49f611N.exe
1288	a6dc10c08ecaf40db65fdcdfc4839f487257f3bf9db44cfca62d9fa76f49f611N.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-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\caspol.exe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\InstallMembership.exe\""	tmp950F.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	a6dc10c08ecaf40db65fdcdfc4839f487257f3bf9db44cfca62d9fa76f49f611N.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	tmp950F.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1288	a6dc10c08ecaf40db65fdcdfc4839f487257f3bf9db44cfca62d9fa76f49f611N.exe
Token: SeDebugPrivilege	2976	tmp950F.tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1288 wrote to memory of 2136	1288	a6dc10c08ecaf40db65fdcdfc4839f487257f3bf9db44cfca62d9fa76f49f611N.exe	28
PID 1288 wrote to memory of 2136	1288	a6dc10c08ecaf40db65fdcdfc4839f487257f3bf9db44cfca62d9fa76f49f611N.exe	28
PID 1288 wrote to memory of 2136	1288	a6dc10c08ecaf40db65fdcdfc4839f487257f3bf9db44cfca62d9fa76f49f611N.exe	28
PID 1288 wrote to memory of 2136	1288	a6dc10c08ecaf40db65fdcdfc4839f487257f3bf9db44cfca62d9fa76f49f611N.exe	28
PID 2136 wrote to memory of 1696	2136	vbc.exe	30
PID 2136 wrote to memory of 1696	2136	vbc.exe	30
PID 2136 wrote to memory of 1696	2136	vbc.exe	30
PID 2136 wrote to memory of 1696	2136	vbc.exe	30
PID 1288 wrote to memory of 2976	1288	a6dc10c08ecaf40db65fdcdfc4839f487257f3bf9db44cfca62d9fa76f49f611N.exe	31
PID 1288 wrote to memory of 2976	1288	a6dc10c08ecaf40db65fdcdfc4839f487257f3bf9db44cfca62d9fa76f49f611N.exe	31
PID 1288 wrote to memory of 2976	1288	a6dc10c08ecaf40db65fdcdfc4839f487257f3bf9db44cfca62d9fa76f49f611N.exe	31
PID 1288 wrote to memory of 2976	1288	a6dc10c08ecaf40db65fdcdfc4839f487257f3bf9db44cfca62d9fa76f49f611N.exe	31

C:\Users\Admin\AppData\Local\Temp\a6dc10c08ecaf40db65fdcdfc4839f487257f3bf9db44cfca62d9fa76f49f611N.exe
"C:\Users\Admin\AppData\Local\Temp\a6dc10c08ecaf40db65fdcdfc4839f487257f3bf9db44cfca62d9fa76f49f611N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1288
- 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\guw-ka-b.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2136
- - 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\RES9619.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc9618.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1696
- C:\Users\Admin\AppData\Local\Temp\tmp950F.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp950F.tmp.exe" C:\Users\Admin\AppData\Local\Temp\a6dc10c08ecaf40db65fdcdfc4839f487257f3bf9db44cfca62d9fa76f49f611N.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2976

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\RES9619.tmp

Filesize
1KB

MD5
d855964020eb973535f3895aee9fc6bf

SHA1
585c1d1005ea5cbfa1889f9fff4ba839a3509121

SHA256
696ec40c7515217e3ba6bdf1d790416624df576ce755c0d9fa1346f3638b4298

SHA512
2ab212badea32b29719e70540b95a12c253672680e5c329bb86058715d7d73eee3aa7b8ce670ebf3303b85632b8710a2931710d00865de1138c6be53251051b2

Download Submit
C:\Users\Admin\AppData\Local\Temp\guw-ka-b.0.vb

Filesize
15KB

MD5
cba3f77ab449e6b693d81d1a9737c927

SHA1
36534d2876329b03244828be38527f5f99bf623d

SHA256
82902d9a3084dc33586d124fcb6f902739c5db7e4f6f295df9f90d423483fb58

SHA512
96663e186df9d99d3f0595dd4d0f9bb801e7f7ddaeaad8ffc3b418b6f27b209f44ebeed10c9ec884394cc99ef35e043bd1d9a4f4cb3f17a7ba963f1ef96cc77f

Download Submit
C:\Users\Admin\AppData\Local\Temp\guw-ka-b.cmdline

Filesize
266B

MD5
ecc8fb6f6654345549dadd518f4eb3c6

SHA1
b8da19245ff194f6e007dcf304d0c247f007086d

SHA256
d2586e9ffea00346cc92227eaecae62a3e6eb151e5fd63a08ff47598f87cdc87

SHA512
3fa0c76359da3570e48ac33b93d01705eeb87681fb79cf95011c94678b133f9ef36cf0f78a4f84a4c559fd4f19b6e64b51e4f7247bc978f605f3eeff2cf262de

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp950F.tmp.exe

Filesize
78KB

MD5
b799331cfa209305d39983e0e5ce4618

SHA1
2c6f46f2e7dbe9f9db3d9d67cf86cbddfdc68d51

SHA256
3312641bb3b619958312f5ff841bd59e7efab4319344c4722ee952a3cec351f4

SHA512
473a2a43d2e449902a7b463dd262a4b2f0543cea21aab60cb47bd7415d119c316f8e75ce8576abc1d160bc2f42093acc923b4b6d2f72f89ddc5e39806401a319

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbc9618.tmp

Filesize
660B

MD5
d492c2c6d76ca0c6bdc507b4a5674649

SHA1
a23d56c838c52e0a2b2174dd87e4301ccdb59c03

SHA256
7c5b931dcfdca1bff35f11ed78dd60003c9907f4ce9b8fefbb0a5a4dfe85491b

SHA512
2bed33b033ca0a8f7d76d29eb6df37e28979f40787e440aaa55ea11d0cf09718eb171a1d307f62961cf80b4585d550f75d946b74a47448020f81289faeabe34f

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

Filesize
62KB

MD5
a26b0f78faa3881bb6307a944b096e91

SHA1
42b01830723bf07d14f3086fa83c4f74f5649368

SHA256
b43ecda931e7af03f0768c905ed9fa82c03e41e566b1dff9960afc6b91ae5ab5

SHA512
a0e9c2814fca6bcf87e779592c005d7a8eef058a61f5a5443f7cf8d97e2316d0cde91ed51270bbcc23ccf68c7fc4a321a5a95a4eed75cb8d8a45cb3aa725fb9c

Download Submit
memory/1288-0-0x00000000740B1000-0x00000000740B2000-memory.dmp

Filesize
4KB

Download
memory/1288-1-0x00000000740B0000-0x000000007465B000-memory.dmp

Filesize
5.7MB

Download
memory/1288-2-0x00000000740B0000-0x000000007465B000-memory.dmp

Filesize
5.7MB

Download
memory/1288-23-0x00000000740B0000-0x000000007465B000-memory.dmp

Filesize
5.7MB

Download
memory/2136-8-0x00000000740B0000-0x000000007465B000-memory.dmp

Filesize
5.7MB

Download
memory/2136-18-0x00000000740B0000-0x000000007465B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads