7cff549b9b283c2124a963526762625ac3a476ced39bab1afb2cf1accd3249d0

General

Target

tmp.exe
Size

652KB
MD5

5dfc3eefe1c51312d0020910020c4025
SHA1

8e6ab92a5d138b3f997ee0a12bb2438e82236760
SHA256

7cff549b9b283c2124a963526762625ac3a476ced39bab1afb2cf1accd3249d0
SHA512

6be0d92564a380dff41d2960d32e17fe81c0340dbb09a1207a109fa0f584a75e066bbc3a26f5d53f4a62037fd09938a3729d2f595100c7b26bacea38e5e4a6cd

Score

7^/10

bootkit persistence spyware stealer

Malware Config

Signatures

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1067

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	tmp.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 4 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Internet Explorer\Main	tmp.exe
Key created	\REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Internet Explorer\DOMStorage\msn.com	tmp.exe
Key created	\REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Internet Explorer\DOMStorage	tmp.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Internet Explorer\DOMStorage\msn.com\NumberOfSubdomains = "1"	tmp.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436	tmp.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436\Blob = 04000000010000001000000079e4a9840d7d3a96d7c04fe2434c892e0f0000000100000014000000b34ddd372ed92e8f2abfbb9e20a9d31f204f194b090000000100000034000000303206082b0601050507030106082b0601050507030206082b0601050507030406082b0601050507030306082b0601050507030814000000010000001400000003de503556d14cbb66f0a3e21b1bc397b23dd1550b00000001000000120000004400690067006900430065007200740000001d000000010000001000000059779e39e21a2e3dfced6857ed5c5fd9030000000100000014000000a8985d3a65e5e5c4b2d7d66d40c6dd2fb19c54361900000001000000100000000f3a0527d242de2dc98e5cfcb1e991ee2000000001000000b3030000308203af30820297a0030201020210083be056904246b1a1756ac95991c74a300d06092a864886f70d01010505003061310b300906035504061302555331153013060355040a130c446967694365727420496e6331193017060355040b13107777772e64696769636572742e636f6d3120301e06035504031317446967694365727420476c6f62616c20526f6f74204341301e170d3036313131303030303030305a170d3331313131303030303030305a3061310b300906035504061302555331153013060355040a130c446967694365727420496e6331193017060355040b13107777772e64696769636572742e636f6d3120301e06035504031317446967694365727420476c6f62616c20526f6f7420434130820122300d06092a864886f70d01010105000382010f003082010a0282010100e23be11172dea8a4d3a357aa50a28f0b7790c9a2a5ee12ce965b010920cc0193a74e30b753f743c46900579de28d22dd870640008109cece1b83bfdfcd3b7146e2d666c705b37627168f7b9e1e957deeb748a308dad6af7a0c3906657f4a5d1fbc17f8abbeee28d7747f7a78995985686e5c23324bbf4ec0e85a6de370bf7710bffc01f685d9a844105832a97518d5d1a2be47e2276af49a33f84908608bd45fb43a84bfa1aa4a4c7d3ecf4f5f6c765ea04b37919edc22e66dce141a8e6acbfecdb3146417c75b299e32bff2eefad30b42d4abb74132da0cd4eff881d5bb8d583fb51be84928a270da3104ddf7b216f24c0a4e07a8ed4a3d5eb57fa390c3af270203010001a3633061300e0603551d0f0101ff040403020186300f0603551d130101ff040530030101ff301d0603551d0e0416041403de503556d14cbb66f0a3e21b1bc397b23dd155301f0603551d2304183016801403de503556d14cbb66f0a3e21b1bc397b23dd155300d06092a864886f70d01010505000382010100cb9c37aa4813120afadd449c4f52b0f4dfae04f5797908a32418fc4b2b84c02db9d5c7fef4c11f58cbb86d9c7a74e79829ab11b5e370a0a1cd4c8899938c9170e2ab0f1cbe93a9ff63d5e40760d3a3bf9d5b09f1d58ee353f48e63fa3fa7dbb466df6266d6d16e418df22db5ea774a9f9d58e22b59c04023ed2d2882453e7954922698e08048a837eff0d6796016deace80ecd6eac4417382f49dae1453e2ab93653cf3a5006f72ee8c457496c612118d504ad783c2c3a806ba7ebaf1514e9d889c1b9386ce2916c8aff64b977255730c01b24a3e1dce9df477cb5b424080530ec2dbd0bbf45bf50b9a9f3eb980112adc888c698345f8d0a3cc6e9d595956dde	tmp.exe

Suspicious behavior: EnumeratesProcesses 26 IoCs

pid	Process
1940	tmp.exe
1940	tmp.exe
1940	tmp.exe
1940	tmp.exe
1940	tmp.exe
1940	tmp.exe
1940	tmp.exe
1940	tmp.exe
1940	tmp.exe
1940	tmp.exe
1940	tmp.exe
1940	tmp.exe
1940	tmp.exe
1940	tmp.exe
1940	tmp.exe
1940	tmp.exe
1940	tmp.exe
1940	tmp.exe
1940	tmp.exe
1940	tmp.exe
1940	tmp.exe
1940	tmp.exe
1940	tmp.exe
1940	tmp.exe
1940	tmp.exe
1940	tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	1940	tmp.exe
Token: SeIncBasePriorityPrivilege	1940	tmp.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1940	tmp.exe
1940	tmp.exe
1940	tmp.exe
1940	tmp.exe

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Writes to the Master Boot Record (MBR)
- Modifies Internet Explorer settings
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1940

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Bootkit

1

T1067

Privilege Escalation

Defense Evasion

Install Root Certificate

Modify Registry

Credential Access

Credentials in Files

1

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/1940-54-0x0000000076A01000-0x0000000076A03000-memory.dmp

Filesize
8KB

Download
memory/1940-56-0x000000000937D000-0x000000000937E000-memory.dmp

Filesize
4KB

Download
memory/1940-57-0x0000000009385000-0x0000000009386000-memory.dmp

Filesize
4KB

Download
memory/1940-55-0x00000000065B4000-0x00000000065B5000-memory.dmp

Filesize
4KB

Download
memory/1940-65-0x000000000BDD3000-0x000000000BDD4000-memory.dmp

Filesize
4KB

Download
memory/1940-64-0x000000000BDD4000-0x000000000BDD5000-memory.dmp

Filesize
4KB

Download
memory/1940-63-0x000000000ACD5000-0x000000000ACD6000-memory.dmp

Filesize
4KB

Download
memory/1940-66-0x000000000BDDF000-0x000000000BDE0000-memory.dmp

Filesize
4KB

Download
memory/1940-62-0x000000000ACD1000-0x000000000ACD2000-memory.dmp

Filesize
4KB

Download
memory/1940-61-0x000000000ACCD000-0x000000000ACCE000-memory.dmp

Filesize
4KB

Download
memory/1940-60-0x000000000ACCB000-0x000000000ACCC000-memory.dmp

Filesize
4KB

Download
memory/1940-59-0x000000000ACCC000-0x000000000ACCD000-memory.dmp

Filesize
4KB

Download
memory/1940-58-0x000000000ACC2000-0x000000000ACC3000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads