dridex | efbf22652aa42b6b3bad6d39387e537f09a1bb1ec34f319da1f25f2e388d5925

Analysis

max time kernel
28s
max time network
30s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
10-03-2023 11:30

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General

Target

cd32a737fcba8198d43fed5a68348f983f7713f79574a710deb7759e5a1301eb.exe
Size

159KB
MD5

72fe19810a9089cd1ec3ac5ddda22d3f
SHA1

cecbd09b389a6f4e3ac7a81a9280e1893a6066ae
SHA256

cd32a737fcba8198d43fed5a68348f983f7713f79574a710deb7759e5a1301eb
SHA512

619fbdec0c6639ad0a15ac27a5de41fc302d671740f3b0f19be362a2110355c51f93898ed408b337f73623b1210ed0dd4585acfd6603b9ce767faeb84d1b40f6
SSDEEP

3072:LjM4omazat8Sm0JjICd0BKTGAu+vEegNgbRvFcka8rKVO3gFtvlpb/:LjM4oFMYCyoqAuOEuV9cz8rKO4V

Score

10^/10

dridex botnet evasion trojan

Malware Config

Extracted

Family

dridex

185.206.146.88:443

5.44.45.177:443

185.16.41.224:443

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex
Deletes itself 1 IoCs

Processes:

msra.exe

pid process

1252 msra.exe

pid	process
1252	msra.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

cd32a737fcba8198d43fed5a68348f983f7713f79574a710deb7759e5a1301eb.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	cd32a737fcba8198d43fed5a68348f983f7713f79574a710deb7759e5a1301eb.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

cd32a737fcba8198d43fed5a68348f983f7713f79574a710deb7759e5a1301eb.exemsra.exe

pid	process
924	cd32a737fcba8198d43fed5a68348f983f7713f79574a710deb7759e5a1301eb.exe
924	cd32a737fcba8198d43fed5a68348f983f7713f79574a710deb7759e5a1301eb.exe
1252	msra.exe
1252	msra.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

cd32a737fcba8198d43fed5a68348f983f7713f79574a710deb7759e5a1301eb.exe

description pid process

Token: SeRestorePrivilege 924 cd32a737fcba8198d43fed5a68348f983f7713f79574a710deb7759e5a1301eb.exe

description	pid	process
Token: SeRestorePrivilege	924	cd32a737fcba8198d43fed5a68348f983f7713f79574a710deb7759e5a1301eb.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

cd32a737fcba8198d43fed5a68348f983f7713f79574a710deb7759e5a1301eb.exe

description	pid	process	target process
PID 924 wrote to memory of 1252	924	cd32a737fcba8198d43fed5a68348f983f7713f79574a710deb7759e5a1301eb.exe	msra.exe
PID 924 wrote to memory of 1252	924	cd32a737fcba8198d43fed5a68348f983f7713f79574a710deb7759e5a1301eb.exe	msra.exe
PID 924 wrote to memory of 1252	924	cd32a737fcba8198d43fed5a68348f983f7713f79574a710deb7759e5a1301eb.exe	msra.exe
PID 924 wrote to memory of 1252	924	cd32a737fcba8198d43fed5a68348f983f7713f79574a710deb7759e5a1301eb.exe	msra.exe
PID 924 wrote to memory of 1252	924	cd32a737fcba8198d43fed5a68348f983f7713f79574a710deb7759e5a1301eb.exe	msra.exe

C:\Users\Admin\AppData\Local\Temp\cd32a737fcba8198d43fed5a68348f983f7713f79574a710deb7759e5a1301eb.exe
"C:\Users\Admin\AppData\Local\Temp\cd32a737fcba8198d43fed5a68348f983f7713f79574a710deb7759e5a1301eb.exe"
1⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:924

C:\Windows\SysWOW64\msra.exe
C:\Windows\SysWOW64\msra.exe "C:\Users\Admin\AppData\Local\Temp\cd32a737fcba8198d43fed5a68348f983f7713f79574a710deb7759e5a1301eb.exe"
2⤵
- Deletes itself
- Suspicious behavior: EnumeratesProcesses
PID:1252

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/924-54-0x0000000000350000-0x000000000037C000-memory.dmp

Filesize
176KB

Download
memory/924-55-0x00000000000A0000-0x00000000000BA000-memory.dmp

Filesize
104KB

Download
memory/924-58-0x0000000000350000-0x000000000037C000-memory.dmp

Filesize
176KB

Download
memory/1252-56-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/1252-61-0x00000000001F0000-0x000000000021C000-memory.dmp

Filesize
176KB

Download
memory/1252-59-0x00000000001F0000-0x000000000021C000-memory.dmp

Filesize
176KB

Download
memory/1252-60-0x00000000001F0000-0x000000000021C000-memory.dmp

Filesize
176KB

Download
memory/1252-62-0x00000000001F0000-0x000000000021C000-memory.dmp

Filesize
176KB

Download
memory/1252-63-0x00000000001F0000-0x000000000021C000-memory.dmp

Filesize
176KB

Download
memory/1252-64-0x00000000001F0000-0x000000000021C000-memory.dmp

Filesize
176KB

Download
memory/1252-70-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download