5c7d774313e58e4e3b93d7860126e9df834ead52e03c696a42c398d6ddd6a039

General

Target

FabFilter_KeyGen.exe
Size

595KB
MD5

4be8f03c51f006a7ca3542e571acb6bb
SHA1

a39d638e5e075f9f44bf0b434ab3a6f5ad53652c
SHA256

5c7d774313e58e4e3b93d7860126e9df834ead52e03c696a42c398d6ddd6a039
SHA512

967870c9eff8bc06233a8abdbd45f65e913f2fe040519dd2a3d3f2b8f867641bade0d1ac9ad1297c9d182067bb9d67634fbe837482f98819fafa872fec257f88
SSDEEP

12288:XYkc9t2Sll/d7jwkELre7lHzVYC3FtQjtyHw2evVF7v:XYkcL5Zkxe79S4taOw2ev37v

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4324	keygen.exe

Loads dropped DLL 3 IoCs

pid	Process
4324	keygen.exe
4324	keygen.exe
4324	keygen.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	FabFilter_KeyGen.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	keygen.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	3128	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	3128	AUDIODG.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2240 wrote to memory of 4324	2240	FabFilter_KeyGen.exe	84
PID 2240 wrote to memory of 4324	2240	FabFilter_KeyGen.exe	84
PID 2240 wrote to memory of 4324	2240	FabFilter_KeyGen.exe	84

C:\Users\Admin\AppData\Local\Temp\FabFilter_KeyGen.exe
"C:\Users\Admin\AppData\Local\Temp\FabFilter_KeyGen.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2240
- C:\Users\Admin\AppData\Local\Temp\keygen.exe
  C:\Users\Admin\AppData\Local\Temp\keygen.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  PID:4324

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x2cc 0x2fc
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3128

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\BASSMOD.DLL

Filesize
33KB

MD5
e4ec57e8508c5c4040383ebe6d367928

SHA1
b22bcce36d9fdeae8ab7a7ecc0b01c8176648d06

SHA256
8ad9e47693e292f381da42ddc13724a3063040e51c26f4ca8e1f8e2f1ddd547f

SHA512
77d5cf66caf06e192e668fae2b2594e60a498e8e0ccef5b09b9710721a4cdb0c852d00c446fd32c5b5c85e739de2e73cb1f1f6044879fe7d237341bbb6f27822

Download Submit
C:\Users\Admin\AppData\Local\Temp\R2RFBFKG.dll

Filesize
91KB

MD5
62695f6fa2a85fc9993f57dfcbdc2749

SHA1
07a9b478df63fba4cf3002974b4cf56b404d0914

SHA256
1ab33027c4965b027298651781a1c780c272818da189e2c3a8101ac578069260

SHA512
69dd0de913629853400106811bffdebd8ec2037c93c9f9820d3f140e84576912de3ab57434086e20cf8698185015c27fa307e06047e2219dcf38a927a36f3c95

Download Submit
C:\Users\Admin\AppData\Local\Temp\bgm.it

Filesize
80KB

MD5
5e3c083251880c635f5ea6a0a6ed8e76

SHA1
e7fb44133e223140057243493159bdce01c5f080

SHA256
9d460a48d7f7f461967c9065182456871606eef1c27f21767335b7d81384e141

SHA512
b4a6a5ad71a13f51989e1fccedb542ab528f6ab9bc3d60a4c93c59e544b8eaa06ca7b9fe79c1d9a5c92b61345c18e38736561cd21426bc9e43ae3a4c59424284

Download Submit
C:\Users\Admin\AppData\Local\Temp\keygen.exe

Filesize
1.0MB

MD5
b9872d9716560f33dfc497b1f9620c16

SHA1
a947972a9dc18d765c8604de03330d4a0d7662d8

SHA256
be0b99fa2979e33afe4fe1b98e616c5f20c577eb2669f1305348769d05712a89

SHA512
bbec5ff507592a33f1aa0219e0ff048ffa05bde41dd1efd9e9d1b58c5f0fe4716165eace96a00715de2a11b1228643a6c5c9f3acef28511758c62a34a4d6db90

Download Submit
memory/4324-20-0x0000000010000000-0x0000000010013000-memory.dmp

Filesize
76KB

Download
memory/4324-23-0x0000000010000000-0x0000000010013000-memory.dmp

Filesize
76KB

Download
memory/4324-14-0x00000000005C0000-0x00000000005DF000-memory.dmp

Filesize
124KB

Download
memory/4324-18-0x0000000010000000-0x0000000010013000-memory.dmp

Filesize
76KB

Download
memory/4324-17-0x0000000010000000-0x0000000010013000-memory.dmp

Filesize
76KB

Download
memory/4324-19-0x0000000010000000-0x0000000010013000-memory.dmp

Filesize
76KB

Download
memory/4324-6-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/4324-21-0x0000000010000000-0x0000000010013000-memory.dmp

Filesize
76KB

Download
memory/4324-22-0x0000000010000000-0x0000000010013000-memory.dmp

Filesize
76KB

Download
memory/4324-11-0x0000000010000000-0x0000000010013000-memory.dmp

Filesize
76KB

Download
memory/4324-24-0x0000000010000000-0x0000000010013000-memory.dmp

Filesize
76KB

Download
memory/4324-25-0x0000000010000000-0x0000000010013000-memory.dmp

Filesize
76KB

Download
memory/4324-26-0x0000000010000000-0x0000000010013000-memory.dmp

Filesize
76KB

Download
memory/4324-27-0x0000000010000000-0x0000000010013000-memory.dmp

Filesize
76KB

Download
memory/4324-28-0x0000000010000000-0x0000000010013000-memory.dmp

Filesize
76KB

Download
memory/4324-29-0x0000000010000000-0x0000000010013000-memory.dmp

Filesize
76KB

Download
memory/4324-30-0x0000000010000000-0x0000000010013000-memory.dmp

Filesize
76KB

Download
memory/4324-31-0x0000000010000000-0x0000000010013000-memory.dmp

Filesize
76KB

Download

Analysis

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