6bd38f47b71191879891504ab7b86d9e5143786d99ffe4c3abed3f7485140dc1

General

Target

8553676d1da9152c3b3a17856adec220N.exe
Size

78KB
MD5

8553676d1da9152c3b3a17856adec220
SHA1

03775a964f734f4d99a4bf5db7b479e360d386c7
SHA256

6bd38f47b71191879891504ab7b86d9e5143786d99ffe4c3abed3f7485140dc1
SHA512

67dc0a08d96c7ab4f829b7ea03c5736efd0dcc51c26fcdcb499187d3b6873f78dcecf16c331048d12ae77686fc51878b78e41e2d263dce859d89be8328119b90
SSDEEP

1536:XORWV5jPvZv0kH9gDDtWzYCnJPeoYrGQtN6i9/a1HJ:+RWV5jPl0Y9MDYrm799/i

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2640	tmp1999.tmp.exe

Loads dropped DLL 2 IoCs

pid	Process
2500	8553676d1da9152c3b3a17856adec220N.exe
2500	8553676d1da9152c3b3a17856adec220N.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\peverify = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Microsoft.CSharp.exe\""	tmp1999.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	cvtres.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmp1999.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8553676d1da9152c3b3a17856adec220N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2500	8553676d1da9152c3b3a17856adec220N.exe
Token: SeDebugPrivilege	2640	tmp1999.tmp.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2500 wrote to memory of 2152	2500	8553676d1da9152c3b3a17856adec220N.exe	31
PID 2500 wrote to memory of 2152	2500	8553676d1da9152c3b3a17856adec220N.exe	31
PID 2500 wrote to memory of 2152	2500	8553676d1da9152c3b3a17856adec220N.exe	31
PID 2500 wrote to memory of 2152	2500	8553676d1da9152c3b3a17856adec220N.exe	31
PID 2152 wrote to memory of 2816	2152	vbc.exe	33
PID 2152 wrote to memory of 2816	2152	vbc.exe	33
PID 2152 wrote to memory of 2816	2152	vbc.exe	33
PID 2152 wrote to memory of 2816	2152	vbc.exe	33
PID 2500 wrote to memory of 2640	2500	8553676d1da9152c3b3a17856adec220N.exe	34
PID 2500 wrote to memory of 2640	2500	8553676d1da9152c3b3a17856adec220N.exe	34
PID 2500 wrote to memory of 2640	2500	8553676d1da9152c3b3a17856adec220N.exe	34
PID 2500 wrote to memory of 2640	2500	8553676d1da9152c3b3a17856adec220N.exe	34

C:\Users\Admin\AppData\Local\Temp\8553676d1da9152c3b3a17856adec220N.exe
"C:\Users\Admin\AppData\Local\Temp\8553676d1da9152c3b3a17856adec220N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2500
- 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\8j-rbgjr.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2152
- - 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\RES1A65.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc1A64.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2816
- C:\Users\Admin\AppData\Local\Temp\tmp1999.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp1999.tmp.exe" C:\Users\Admin\AppData\Local\Temp\8553676d1da9152c3b3a17856adec220N.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2640

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scripting

1

T1064

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

Scripting

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\8j-rbgjr.0.vb

Filesize
14KB

MD5
2bf213698bd79e51b2d6daf2d2058592

SHA1
5fa5b4f2b1d85ee1b5c1a6dfdaaaf19b70f8e9e0

SHA256
a78a2df9e5e38b9adf659f8edad072fec3a6fd459c52df886468f5be39c145a8

SHA512
8ed7427dc03ef55782f6249ad432e504c3498f8c58047892bd198b68c9492e1c297c15f25f264ffddb794bf3b45a3cab3f77a0bd78fb60fd3e17915c91b829fc

Download Submit
C:\Users\Admin\AppData\Local\Temp\8j-rbgjr.cmdline

Filesize
266B

MD5
d6989abad0d79b561b3b149ac11ee185

SHA1
ac5b5bd3a941b4822a37fe3b6e49569765740f8d

SHA256
8eb446b064240fae0958095d0c28757754869baadf1d65b0eed02dd346823652

SHA512
19a6ce6f260bb80eafda815db49df862a73d68782485349b3c8cda5ef0dddfd3b62b037b88ff372f27884a1e61489d55b12203df83b1fe674ac716b7deecde50

Download Submit
C:\Users\Admin\AppData\Local\Temp\RES1A65.tmp

Filesize
1KB

MD5
85866d139d38dc66c3d5bd2ee90a843c

SHA1
8d3964f2ae2d03ddfc8aa5d328fb4a96d04f66f4

SHA256
5196912aa0dd7a6dd6661a0acd47cd09ee88ce0babefcf3f059626976a2b12b4

SHA512
1fbf0f2a6e96e834109832f4f60b8f300460f43a819225c1684ec6f81687080c6f5e6f616b022ddd6c483bc695fdac5329a479ee4763f6421570f57c0fdb7765

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp1999.tmp.exe

Filesize
78KB

MD5
a8fb1bd2090434fee0693eb03f5609ff

SHA1
cbf4428cfb5adb36b0b93501435000b21c4e939b

SHA256
542349f9a53e6133534fbcfddcf1fe9d24940489ada163b491747a724d967e9b

SHA512
669759fa63f1a0a0e66dd0e7a78ef73dc2428cfb3c88a70c044e4751d8aed46c3c8160c828fc93aabe22f78a8c0f1e5ef547cd69d69f5b80ee8f80888c6271d5

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbc1A64.tmp

Filesize
660B

MD5
3d82592c425f7e70e4ab12cd0a5bbc89

SHA1
be3ac0877e6e480b06757651449600c67b9151e8

SHA256
62d6180118742f508b1ed147f36c6452b81de9a6ce035a7ad49919cf7f5c06f8

SHA512
47b2db587250bc6006cda0699a27a448121c9f3ff08fbecf85a8bd5046fc137d2874a62a66391b6156e72fedf60be8a464b3f4a63e434fe069eef77c8ccf01d6

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

Filesize
62KB

MD5
8b25b4d931908b4c77ce6c3d5b9a2910

SHA1
88b65fd9733484c8f8147dad9d0896918c7e37c7

SHA256
79c261ab6b394ee23ab0fd0af48bcd96f914c6bb88b36b6815b6bbf787ecd56e

SHA512
6d954066cec5eca118601f2f848f5c9deebe3761ac285c6d45041df22e4bc4e9e2fd98c1aa4fbb6b9c735151bf8d5fffa5acddf7060a4cf3cb7e09271a4a926d

Download Submit
memory/2152-8-0x0000000074B40000-0x00000000750EB000-memory.dmp

Filesize
5.7MB

Download
memory/2152-18-0x0000000074B40000-0x00000000750EB000-memory.dmp

Filesize
5.7MB

Download
memory/2500-0-0x0000000074B41000-0x0000000074B42000-memory.dmp

Filesize
4KB

Download
memory/2500-1-0x0000000074B40000-0x00000000750EB000-memory.dmp

Filesize
5.7MB

Download
memory/2500-2-0x0000000074B40000-0x00000000750EB000-memory.dmp

Filesize
5.7MB

Download
memory/2500-24-0x0000000074B40000-0x00000000750EB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads