dridex | 86f53c137a1123fb819fd6595d67495d145ca2441634b4360a37cb313eacb454

Analysis

max time kernel
54s
max time network
44s
platform
windows7_x64
resource
win7v20210408
submitted
15-04-2021 13:05

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General

Target

Dridex/DridexDroppedVBS.925da3a10f7dde802c8d87047b14fda6.exe
Size

140KB
MD5

925da3a10f7dde802c8d87047b14fda6
SHA1

1fc59fbf692f690b9fe82cfafc9dcbd5aac31a68
SHA256

c94fe7b646b681ac85756b4ce7f85f4745a7b505f1a2215ba8b58375238bad10
SHA512

82588188de13f34cd751da7409f780c4fc5814da780fe8cad1fa73370414fb24b9822fc56f1f162d0db4a5c27159c225bc4d4fb061a87cb3c0d89b067353a478

Score

10^/10

dridex botnet loader

Malware Config

Signatures

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

Dridex Loader 2 IoCs

Detects Dridex both x86 and x64 loader in memory.

botnet loader

resource	yara_rule
behavioral3/memory/1840-60-0x0000000000F30000-0x0000000000F54000-memory.dmp	dridex_ldr
behavioral3/memory/1956-69-0x0000000000170000-0x0000000000194000-memory.dmp	dridex_ldr

Deletes itself 1 IoCs

pid	Process
1956	svchost.exe

Discovers systems in the same network 1 TTPs 1 IoCs

discovery

Remote System Discovery

T1018

pid	Process
288	net.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1840	DridexDroppedVBS.925da3a10f7dde802c8d87047b14fda6.exe
1840	DridexDroppedVBS.925da3a10f7dde802c8d87047b14fda6.exe
1956	svchost.exe
1956	svchost.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

description	pid	Process
Token: SeShutdownPrivilege	1840	DridexDroppedVBS.925da3a10f7dde802c8d87047b14fda6.exe
Token: SeShutdownPrivilege	1956	svchost.exe
Token: SeDebugPrivilege	1800	whoami.exe
Token: SeDebugPrivilege	1800	whoami.exe
Token: SeDebugPrivilege	1800	whoami.exe
Token: SeDebugPrivilege	1800	whoami.exe
Token: SeDebugPrivilege	1800	whoami.exe
Token: SeDebugPrivilege	1800	whoami.exe
Token: SeDebugPrivilege	1800	whoami.exe
Token: SeDebugPrivilege	1800	whoami.exe
Token: SeDebugPrivilege	1800	whoami.exe
Token: SeDebugPrivilege	1800	whoami.exe
Token: SeDebugPrivilege	1800	whoami.exe
Token: SeDebugPrivilege	1800	whoami.exe
Token: SeDebugPrivilege	1800	whoami.exe
Token: SeDebugPrivilege	1800	whoami.exe
Token: SeDebugPrivilege	1800	whoami.exe
Token: SeDebugPrivilege	1800	whoami.exe
Token: SeDebugPrivilege	1800	whoami.exe
Token: SeDebugPrivilege	1800	whoami.exe
Token: SeDebugPrivilege	1800	whoami.exe
Token: SeDebugPrivilege	1800	whoami.exe
Token: SeDebugPrivilege	1800	whoami.exe
Token: SeDebugPrivilege	1800	whoami.exe
Token: SeDebugPrivilege	1800	whoami.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1840 wrote to memory of 1956	1840	DridexDroppedVBS.925da3a10f7dde802c8d87047b14fda6.exe	27
PID 1840 wrote to memory of 1956	1840	DridexDroppedVBS.925da3a10f7dde802c8d87047b14fda6.exe	27
PID 1840 wrote to memory of 1956	1840	DridexDroppedVBS.925da3a10f7dde802c8d87047b14fda6.exe	27
PID 1840 wrote to memory of 1956	1840	DridexDroppedVBS.925da3a10f7dde802c8d87047b14fda6.exe	27
PID 1840 wrote to memory of 1956	1840	DridexDroppedVBS.925da3a10f7dde802c8d87047b14fda6.exe	27
PID 1956 wrote to memory of 1800	1956	svchost.exe	31
PID 1956 wrote to memory of 1800	1956	svchost.exe	31
PID 1956 wrote to memory of 1800	1956	svchost.exe	31
PID 1956 wrote to memory of 1800	1956	svchost.exe	31
PID 1956 wrote to memory of 288	1956	svchost.exe	33
PID 1956 wrote to memory of 288	1956	svchost.exe	33
PID 1956 wrote to memory of 288	1956	svchost.exe	33
PID 1956 wrote to memory of 288	1956	svchost.exe	33

C:\Users\Admin\AppData\Local\Temp\Dridex\DridexDroppedVBS.925da3a10f7dde802c8d87047b14fda6.exe
"C:\Users\Admin\AppData\Local\Temp\Dridex\DridexDroppedVBS.925da3a10f7dde802c8d87047b14fda6.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1840
- C:\Windows\SysWOW64\svchost.exe
  C:\Windows\system32\svchost.exe "C:\Users\Admin\AppData\Local\Temp\Dridex\DridexDroppedVBS.925da3a10f7dde802c8d87047b14fda6.exe"
  2⤵
  - Deletes itself
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1956
- - C:\Windows\SysWOW64\whoami.exe
    C:\Windows\system32\whoami.exe /all
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:1800
- - C:\Windows\SysWOW64\net.exe
    C:\Windows\system32\net.exe view
    3⤵
    - Discovers systems in the same network
    PID:288

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Remote System Discovery

T1018

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1840-60-0x0000000000F30000-0x0000000000F54000-memory.dmp

Filesize
144KB

Download
memory/1840-62-0x00000000757C1000-0x00000000757C3000-memory.dmp

Filesize
8KB

Download
memory/1840-63-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1956-65-0x00000000000B0000-0x00000000000B1000-memory.dmp

Filesize
4KB

Download
memory/1956-66-0x0000000000170000-0x0000000000194000-memory.dmp

Filesize
144KB

Download
memory/1956-68-0x0000000000170000-0x0000000000194000-memory.dmp

Filesize
144KB

Download
memory/1956-67-0x0000000000170000-0x0000000000194000-memory.dmp

Filesize
144KB

Download
memory/1956-69-0x0000000000170000-0x0000000000194000-memory.dmp

Filesize
144KB

Download