dridex | 86f53c137a1123fb819fd6595d67495d145ca2441634b4360a37cb313eacb454

Analysis

max time kernel
38s
max time network
111s
platform
windows10_x64
resource
win10v20210410
submitted
15-04-2021 13:05

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General

Target

Dridex/DridexLoader.bin.exe.c26203af4b3e9c81a9e634178b603601.exe
Size

212KB
MD5

c26203af4b3e9c81a9e634178b603601
SHA1

5e41cbc4d7a1afdf05f441086c2caf45a44bac9e
SHA256

7b8fc6e62ef39770587a056af9709cb38f052aad5d815f808346494b7a3d00c5
SHA512

bb5aeb995d7b9b2b532812be0da4644db5f3d22635c37d7154ba39691f3561da574597618e7359b9a45b3bb906ec0b8b0104cbc05689455c952e995759e188b6

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
behavioral6/memory/500-114-0x00000000012C0000-0x00000000012F6000-memory.dmp	dridex_ldr
behavioral6/memory/340-122-0x0000000000400000-0x0000000000436000-memory.dmp	dridex_ldr

Deletes itself 1 IoCs

pid	Process
340	svchost.exe

Discovers systems in the same network 1 TTPs 1 IoCs

discovery

Remote System Discovery

T1018

pid	Process
3720	net.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
500	DridexLoader.bin.exe.c26203af4b3e9c81a9e634178b603601.exe
500	DridexLoader.bin.exe.c26203af4b3e9c81a9e634178b603601.exe
500	DridexLoader.bin.exe.c26203af4b3e9c81a9e634178b603601.exe
500	DridexLoader.bin.exe.c26203af4b3e9c81a9e634178b603601.exe
340	svchost.exe
340	svchost.exe
340	svchost.exe
340	svchost.exe

Suspicious use of AdjustPrivilegeToken 28 IoCs

description	pid	Process
Token: SeRestorePrivilege	500	DridexLoader.bin.exe.c26203af4b3e9c81a9e634178b603601.exe
Token: SeDebugPrivilege	744	whoami.exe
Token: SeDebugPrivilege	744	whoami.exe
Token: SeDebugPrivilege	744	whoami.exe
Token: SeDebugPrivilege	744	whoami.exe
Token: SeDebugPrivilege	744	whoami.exe
Token: SeDebugPrivilege	744	whoami.exe
Token: SeDebugPrivilege	744	whoami.exe
Token: SeDebugPrivilege	744	whoami.exe
Token: SeDebugPrivilege	744	whoami.exe
Token: SeDebugPrivilege	744	whoami.exe
Token: SeDebugPrivilege	744	whoami.exe
Token: SeDebugPrivilege	744	whoami.exe
Token: SeDebugPrivilege	744	whoami.exe
Token: SeDebugPrivilege	744	whoami.exe
Token: SeDebugPrivilege	744	whoami.exe
Token: SeDebugPrivilege	744	whoami.exe
Token: SeDebugPrivilege	744	whoami.exe
Token: SeDebugPrivilege	744	whoami.exe
Token: SeDebugPrivilege	744	whoami.exe
Token: SeDebugPrivilege	744	whoami.exe
Token: SeDebugPrivilege	744	whoami.exe
Token: SeDebugPrivilege	744	whoami.exe
Token: SeDebugPrivilege	744	whoami.exe
Token: SeDebugPrivilege	744	whoami.exe
Token: SeDebugPrivilege	744	whoami.exe
Token: SeDebugPrivilege	744	whoami.exe
Token: SeDebugPrivilege	744	whoami.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 500 wrote to memory of 340	500	DridexLoader.bin.exe.c26203af4b3e9c81a9e634178b603601.exe	73
PID 500 wrote to memory of 340	500	DridexLoader.bin.exe.c26203af4b3e9c81a9e634178b603601.exe	73
PID 500 wrote to memory of 340	500	DridexLoader.bin.exe.c26203af4b3e9c81a9e634178b603601.exe	73
PID 500 wrote to memory of 340	500	DridexLoader.bin.exe.c26203af4b3e9c81a9e634178b603601.exe	73
PID 340 wrote to memory of 744	340	svchost.exe	79
PID 340 wrote to memory of 744	340	svchost.exe	79
PID 340 wrote to memory of 744	340	svchost.exe	79
PID 340 wrote to memory of 3720	340	svchost.exe	81
PID 340 wrote to memory of 3720	340	svchost.exe	81
PID 340 wrote to memory of 3720	340	svchost.exe	81

C:\Users\Admin\AppData\Local\Temp\Dridex\DridexLoader.bin.exe.c26203af4b3e9c81a9e634178b603601.exe
"C:\Users\Admin\AppData\Local\Temp\Dridex\DridexLoader.bin.exe.c26203af4b3e9c81a9e634178b603601.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:500
- C:\Windows\SysWOW64\svchost.exe
  C:\Windows\system32\svchost.exe "C:\Users\Admin\AppData\Local\Temp\Dridex\DridexLoader.bin.exe.c26203af4b3e9c81a9e634178b603601.exe"
  2⤵
  - Deletes itself
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:340
- - C:\Windows\SysWOW64\whoami.exe
    C:\Windows\system32\whoami.exe /all
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:744
- - C:\Windows\SysWOW64\net.exe
    C:\Windows\system32\net.exe view
    3⤵
    - Discovers systems in the same network
    PID:3720

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/340-118-0x0000000004BE0000-0x0000000004BE1000-memory.dmp

Filesize
4KB

Download
memory/340-120-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/340-119-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/340-121-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/340-122-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/340-126-0x0000000003020000-0x00000000030CE000-memory.dmp

Filesize
696KB

Download
memory/500-114-0x00000000012C0000-0x00000000012F6000-memory.dmp

Filesize
216KB

Download
memory/500-117-0x0000000001210000-0x00000000012BE000-memory.dmp

Filesize
696KB

Download