icedid | f5c3bc03dc3e7149e72828e94fbf85d530da390af10bbd73a76ca1e8c9af3c9c

General

Target

prescribe -010.20.2020.doc
Size

102KB
MD5

21d971c4dae25216e0caf51431072a7a
SHA1

e46920935500cdfc1d64597806a0cd9485a8435a
SHA256

f5c3bc03dc3e7149e72828e94fbf85d530da390af10bbd73a76ca1e8c9af3c9c
SHA512

367645cf23115f631b97585c6583fa185b39d3c6a773ce2a68cc5599a2d8db31c09e5b393161f38573c1d01e6e84203750aa406b536536fed81b9cd98861cb38

Score

10^/10

icedid 1949629567 banker trojan

Malware Config

Extracted

Family

icedid

Campaign

1949629567

Signatures

IcedID, BokBot
IcedID is a banking trojan capable of stealing credentials.
trojan banker icedid

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

regsvr32.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process	1928	3932	regsvr32.exe	WINWORD.EXE

Downloads MZ/PE file
Loads dropped DLL 1 IoCs

Processes:

regsvr32.exe

pid process

2068 regsvr32.exe

pid	process
2068	regsvr32.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

WINWORD.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WINWORD.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

WINWORD.EXE

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE

Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.

Processes:

description flow ioc

HTTP User-Agent header 12 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

3932 WINWORD.EXE
3932 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

regsvr32.exe

pid process

2068 regsvr32.exe
2068 regsvr32.exe

description	flow	ioc
HTTP User-Agent header	12	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

pid	process
2068	regsvr32.exe
2068	regsvr32.exe

Suspicious use of SetWindowsHookEx 18 IoCs

Processes:

WINWORD.EXE

pid	process
3932	WINWORD.EXE
3932	WINWORD.EXE
3932	WINWORD.EXE
3932	WINWORD.EXE
3932	WINWORD.EXE
3932	WINWORD.EXE
3932	WINWORD.EXE
3932	WINWORD.EXE
3932	WINWORD.EXE
3932	WINWORD.EXE
3932	WINWORD.EXE
3932	WINWORD.EXE
3932	WINWORD.EXE
3932	WINWORD.EXE
3932	WINWORD.EXE
3932	WINWORD.EXE
3932	WINWORD.EXE
3932	WINWORD.EXE

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

WINWORD.EXEregsvr32.exe

description	pid	process	target process
PID 3932 wrote to memory of 1928	3932	WINWORD.EXE	regsvr32.exe
PID 3932 wrote to memory of 1928	3932	WINWORD.EXE	regsvr32.exe
PID 1928 wrote to memory of 2068	1928	regsvr32.exe	regsvr32.exe
PID 1928 wrote to memory of 2068	1928	regsvr32.exe	regsvr32.exe
PID 1928 wrote to memory of 2068	1928	regsvr32.exe	regsvr32.exe

C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\prescribe -010.20.2020.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3932

C:\Windows\SYSTEM32\regsvr32.exe
regsvr32 c:\users\public\AyXhs.txt
2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:1928

C:\Windows\SysWOW64\regsvr32.exe
c:\users\public\AyXhs.txt
3⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:2068

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

\??\c:\users\public\AyXhs.txt
MD5
1b0ca6184defbc15627a0233f402f57c

SHA1
d33d98464d9a1d7f3051d34c2c455890a08e23e8

SHA256
beff786906f6aed7f4ed19ff0eb000a6522583bf8c9672be6a29bcb3e67ad826

SHA512
4cb26b92dc5024a296657cd54965e160e5b7d0dcba8b88b94872be01ae87d612997030069273aad9c91633057544a298e3d08b71c26b88da1e979edadb6c4233

Download Submit
\Users\Public\AyXhs.txt
MD5
1b0ca6184defbc15627a0233f402f57c

SHA1
d33d98464d9a1d7f3051d34c2c455890a08e23e8

SHA256
beff786906f6aed7f4ed19ff0eb000a6522583bf8c9672be6a29bcb3e67ad826

SHA512
4cb26b92dc5024a296657cd54965e160e5b7d0dcba8b88b94872be01ae87d612997030069273aad9c91633057544a298e3d08b71c26b88da1e979edadb6c4233

Download Submit
memory/1928-4-0x0000000000000000-mapping.dmp

Download
memory/2068-6-0x0000000000000000-mapping.dmp

Download
memory/3932-0-0x00007FF928580000-0x00007FF928C46000-memory.dmp

Filesize
6.8MB

Download
memory/3932-1-0x0000025583FFF000-0x0000025584027000-memory.dmp

Filesize
160KB

Download
memory/3932-2-0x0000025583FFF000-0x0000025584027000-memory.dmp

Filesize
160KB

Download
memory/3932-3-0x0000025583FFF000-0x0000025584027000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads