dridex | 9a750a11f05a4b835f3f99fdf71ea25c39c66716d5a9e7eef5361820db6ce513

Analysis

max time kernel
30s
max time network
33s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
10-03-2023 11:01

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General

Target

aadb5217c4c9316b90ce4eb5f2b52f72d34d426d66ce00c9addaef1654853acf.exe
Size

158KB
MD5

7239da273d3a3bfd8d169119670bb745
SHA1

f624d419671b8eef94241bd010a1ca0c22950fec
SHA256

aadb5217c4c9316b90ce4eb5f2b52f72d34d426d66ce00c9addaef1654853acf
SHA512

daa0d4e3e6dfe79c14cc7f0995c8601662546e24b8af5963fca1d79bf751f9a4fbc46516a1833335d47845345c21ef8c2fa1b1e9ee878382010fcbbb5e715431
SSDEEP

3072:ikQFgEaZRySp/EkD2ZHZ8ueA6+M4sdSRICtulvlpb/:2gFSSNEkaHZ8v+M4sdOU

Score

10^/10

dridex botnet evasion trojan

Malware Config

Extracted

Family

dridex

5.44.45.177:443

185.16.41.224:443

91.235.129.113:443

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

1948 msra.exe

pid	process
1948	msra.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

aadb5217c4c9316b90ce4eb5f2b52f72d34d426d66ce00c9addaef1654853acf.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	aadb5217c4c9316b90ce4eb5f2b52f72d34d426d66ce00c9addaef1654853acf.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

aadb5217c4c9316b90ce4eb5f2b52f72d34d426d66ce00c9addaef1654853acf.exemsra.exe

pid	process
2036	aadb5217c4c9316b90ce4eb5f2b52f72d34d426d66ce00c9addaef1654853acf.exe
2036	aadb5217c4c9316b90ce4eb5f2b52f72d34d426d66ce00c9addaef1654853acf.exe
1948	msra.exe
1948	msra.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

aadb5217c4c9316b90ce4eb5f2b52f72d34d426d66ce00c9addaef1654853acf.exe

description pid process

Token: SeRestorePrivilege 2036 aadb5217c4c9316b90ce4eb5f2b52f72d34d426d66ce00c9addaef1654853acf.exe

description	pid	process
Token: SeRestorePrivilege	2036	aadb5217c4c9316b90ce4eb5f2b52f72d34d426d66ce00c9addaef1654853acf.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

aadb5217c4c9316b90ce4eb5f2b52f72d34d426d66ce00c9addaef1654853acf.exe

description	pid	process	target process
PID 2036 wrote to memory of 1948	2036	aadb5217c4c9316b90ce4eb5f2b52f72d34d426d66ce00c9addaef1654853acf.exe	msra.exe
PID 2036 wrote to memory of 1948	2036	aadb5217c4c9316b90ce4eb5f2b52f72d34d426d66ce00c9addaef1654853acf.exe	msra.exe
PID 2036 wrote to memory of 1948	2036	aadb5217c4c9316b90ce4eb5f2b52f72d34d426d66ce00c9addaef1654853acf.exe	msra.exe
PID 2036 wrote to memory of 1948	2036	aadb5217c4c9316b90ce4eb5f2b52f72d34d426d66ce00c9addaef1654853acf.exe	msra.exe
PID 2036 wrote to memory of 1948	2036	aadb5217c4c9316b90ce4eb5f2b52f72d34d426d66ce00c9addaef1654853acf.exe	msra.exe

C:\Users\Admin\AppData\Local\Temp\aadb5217c4c9316b90ce4eb5f2b52f72d34d426d66ce00c9addaef1654853acf.exe
"C:\Users\Admin\AppData\Local\Temp\aadb5217c4c9316b90ce4eb5f2b52f72d34d426d66ce00c9addaef1654853acf.exe"
1⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2036

C:\Windows\SysWOW64\msra.exe
C:\Windows\SysWOW64\msra.exe "C:\Users\Admin\AppData\Local\Temp\aadb5217c4c9316b90ce4eb5f2b52f72d34d426d66ce00c9addaef1654853acf.exe"
2⤵
- Deletes itself
- Suspicious behavior: EnumeratesProcesses
PID:1948

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/1948-56-0x00000000001A0000-0x00000000001A1000-memory.dmp

Filesize
4KB

Download
memory/1948-58-0x0000000000240000-0x000000000026C000-memory.dmp

Filesize
176KB

Download
memory/1948-60-0x0000000000240000-0x000000000026C000-memory.dmp

Filesize
176KB

Download
memory/1948-61-0x0000000000240000-0x000000000026C000-memory.dmp

Filesize
176KB

Download
memory/1948-62-0x0000000000240000-0x000000000026C000-memory.dmp

Filesize
176KB

Download
memory/1948-63-0x0000000000240000-0x000000000026C000-memory.dmp

Filesize
176KB

Download
memory/1948-64-0x0000000000240000-0x000000000026C000-memory.dmp

Filesize
176KB

Download
memory/1948-70-0x00000000002C0000-0x00000000002DA000-memory.dmp

Filesize
104KB

Download
memory/2036-54-0x0000000001290000-0x00000000012BC000-memory.dmp

Filesize
176KB

Download
memory/2036-55-0x0000000000250000-0x000000000026A000-memory.dmp

Filesize
104KB

Download
memory/2036-59-0x0000000001290000-0x00000000012BC000-memory.dmp

Filesize
176KB

Download