dridex | 751aa86b8a60dc64d572b01838e96f9b360f53cb6ec1ccbe50f8fb8a2980c0ce

Analysis

max time kernel
151s
max time network
45s
platform
windows7_x64
resource
win7-20220414-en
submitted
17-04-2022 16:34

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General

Target

751aa86b8a60dc64d572b01838e96f9b360f53cb6ec1ccbe50f8fb8a2980c0ce.dll
Size

969KB
MD5

62b5ce1d64dcb1b9f0c825ba62996856
SHA1

5e7eea97f2c31a0ef3b2feb5c9de45a3869f63c0
SHA256

751aa86b8a60dc64d572b01838e96f9b360f53cb6ec1ccbe50f8fb8a2980c0ce
SHA512

fe1698172d163b1c1efe802ec0d573a492aa2c1cbb15b60d2c9b69ca0158205812d875180866e4cff8570dff45663eb85457fb0e48bbec99bbc8c570af87c7e3

Score

10^/10

dridex botnet evasion payload persistence trojan

Malware Config

Signatures

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

Dridex Shellcode 1 IoCs

Detects Dridex Payload shellcode injected in Explorer process.

botnet payload

Processes:

resource	yara_rule
behavioral1/memory/1232-59-0x00000000029E0000-0x00000000029E1000-memory.dmp	dridex_stager_shellcode

Executes dropped EXE 3 IoCs

Processes:

mspaint.exeRDVGHelper.exeiexpress.exe

pid process

1272 mspaint.exe
1440 RDVGHelper.exe
1660 iexpress.exe
Loads dropped DLL 7 IoCs

Processes:

mspaint.exeRDVGHelper.exeiexpress.exe

pid process

1232
1272 mspaint.exe
1232
1440 RDVGHelper.exe
1232
1660 iexpress.exe
1232

pid	process
1272	mspaint.exe
1440	RDVGHelper.exe
1660	iexpress.exe

pid	process
1232
1272	mspaint.exe
1232
1440	RDVGHelper.exe
1232
1660	iexpress.exe
1232

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run\Evgmngveltmlhb = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\BudIm2DFl9\\RDVGHelper.exe"

Checks whether UAC is enabled 1 TTPs 4 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

rundll32.exemspaint.exeRDVGHelper.exeiexpress.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	mspaint.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	RDVGHelper.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	iexpress.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

rundll32.exemspaint.exe

pid	process
1048	rundll32.exe
1048	rundll32.exe
1048	rundll32.exe
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1272	mspaint.exe
1272	mspaint.exe
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232
1232

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

description	pid	target process
PID 1232 wrote to memory of 580	1232	mspaint.exe
PID 1232 wrote to memory of 580	1232	mspaint.exe
PID 1232 wrote to memory of 580	1232	mspaint.exe
PID 1232 wrote to memory of 1272	1232	mspaint.exe
PID 1232 wrote to memory of 1272	1232	mspaint.exe
PID 1232 wrote to memory of 1272	1232	mspaint.exe
PID 1232 wrote to memory of 1228	1232	RDVGHelper.exe
PID 1232 wrote to memory of 1228	1232	RDVGHelper.exe
PID 1232 wrote to memory of 1228	1232	RDVGHelper.exe
PID 1232 wrote to memory of 1440	1232	RDVGHelper.exe
PID 1232 wrote to memory of 1440	1232	RDVGHelper.exe
PID 1232 wrote to memory of 1440	1232	RDVGHelper.exe
PID 1232 wrote to memory of 520	1232	iexpress.exe
PID 1232 wrote to memory of 520	1232	iexpress.exe
PID 1232 wrote to memory of 520	1232	iexpress.exe
PID 1232 wrote to memory of 1660	1232	iexpress.exe
PID 1232 wrote to memory of 1660	1232	iexpress.exe
PID 1232 wrote to memory of 1660	1232	iexpress.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\751aa86b8a60dc64d572b01838e96f9b360f53cb6ec1ccbe50f8fb8a2980c0ce.dll,#1
1⤵
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
PID:1048

C:\Windows\system32\mspaint.exe
C:\Windows\system32\mspaint.exe
1⤵
PID:580

C:\Users\Admin\AppData\Local\tkdfz23n4\mspaint.exe
C:\Users\Admin\AppData\Local\tkdfz23n4\mspaint.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
PID:1272

C:\Windows\system32\RDVGHelper.exe
C:\Windows\system32\RDVGHelper.exe
1⤵
PID:1228

C:\Users\Admin\AppData\Local\DTN\RDVGHelper.exe
C:\Users\Admin\AppData\Local\DTN\RDVGHelper.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:1440

C:\Windows\system32\iexpress.exe
C:\Windows\system32\iexpress.exe
1⤵
PID:520

C:\Users\Admin\AppData\Local\Fjrh\iexpress.exe
C:\Users\Admin\AppData\Local\Fjrh\iexpress.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
PID:1660

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\DTN\RDVGHelper.exe
Filesize
93KB

MD5
53fda4af81e7c4895357a50e848b7cfe

SHA1
01fb2d0210f1c47aaf684e31a9fb78f89bba9c0f

SHA256
62ab8c2c5b5bd84fd07e96b6a3b87a4ea56946107ed9b7f8076580ae1fefd038

SHA512
dbbda90a57d27160c5a3a5e4e94cfc43b1663fcbfe424fdec851e52356f61492bdcf677c46be8aa4e8ccc8be7c389b6aa7bbbce8447e1fae32f03e5e409f4051

Download Submit
C:\Users\Admin\AppData\Local\DTN\dwmapi.dll
Filesize
971KB

MD5
9dd39bf7d96ff19760e45a9076490cc9

SHA1
162ec133203021f93310a2b669d62fbc2126e2d8

SHA256
b6f8373c51ab2b958b7cb6e92e3a072a0d4e255d467bd4ee290042c89c4b454e

SHA512
5e934f6ca071425e79bf6495e204c613adb30aa6785adc4d5896c90015b2e93b4ce2b62867105201a07cfb7f1a8190aceade535d643a2d283db5534c24248221

Download Submit
C:\Users\Admin\AppData\Local\Fjrh\VERSION.dll
Filesize
970KB

MD5
87a935f379e06f1f5ee419ebcc3d62af

SHA1
fc578491744a2a560cdf648019d8bf2be57d8d67

SHA256
fbdb82aa505b01bd916c800a666da166516cb1116cd89cba42cfa32ad3398f38

SHA512
91b7f5202c7c5415ef8941e53321ebea87b1f518545677fe56da7f2384307b41bbdd0e68d3655abeb6e71382fa12ff8ce96a00a4be0469040fbf6f0ff49c293b

Download Submit
C:\Users\Admin\AppData\Local\Fjrh\iexpress.exe
Filesize
163KB

MD5
46fd16f9b1924a2ea8cd5c6716cc654f

SHA1
99284bc91cf829e9602b4b95811c1d72977700b6

SHA256
9f993a1f6a133fa8375eab99bf1710471dd13ef177ef713acf8921fb4ff565a3

SHA512
52c91043f514f3f8ce07f8e60357786eb7236fcf6cdcccca0dd76000b9a23d6b138cebcdec53b01823cb2313ec850fc7bece326ec01d44ed33f4052b789b7629

Download Submit
C:\Users\Admin\AppData\Local\tkdfz23n4\VERSION.dll
Filesize
970KB

MD5
3f21e93c9d84164de12f575c4d037543

SHA1
a5505604beac6cdfd3f467b03bcfaf56ce2ea0e5

SHA256
d89ca878bd32da341716b3a6ec98fbb725f510ba6f886aa3fb809ad7a4a414c0

SHA512
93dca310b8e7020680b59dccb5edd1768a882ccfbc9697cb00a02454276da377827f2426df3066cdc65a60b14af4f2127134a3f8c504c1a601e88e841ea0495d

Download Submit
C:\Users\Admin\AppData\Local\tkdfz23n4\mspaint.exe
Filesize
6.4MB

MD5
458f4590f80563eb2a0a72709bfc2bd9

SHA1
3f97dc3bd1467c710c6a8d26b97bb6cf47deb4c6

SHA256
ff923c051ae380bf30d749ebe9cf310ccab6572d84eb81b76fb1012bcbdf557f

SHA512
e34500658dbe105a704fff6988b75d13aa9931adfd585b8ce1f023c61abd573d58067ee1f43e80076729ba99c9a00c17eb8cfcfac9c3d271d76bd251ccab1681

Download Submit
\Users\Admin\AppData\Local\DTN\RDVGHelper.exe
Filesize
93KB

MD5
53fda4af81e7c4895357a50e848b7cfe

SHA1
01fb2d0210f1c47aaf684e31a9fb78f89bba9c0f

SHA256
62ab8c2c5b5bd84fd07e96b6a3b87a4ea56946107ed9b7f8076580ae1fefd038

SHA512
dbbda90a57d27160c5a3a5e4e94cfc43b1663fcbfe424fdec851e52356f61492bdcf677c46be8aa4e8ccc8be7c389b6aa7bbbce8447e1fae32f03e5e409f4051

Download Submit
\Users\Admin\AppData\Local\DTN\dwmapi.dll
Filesize
971KB

MD5
9dd39bf7d96ff19760e45a9076490cc9

SHA1
162ec133203021f93310a2b669d62fbc2126e2d8

SHA256
b6f8373c51ab2b958b7cb6e92e3a072a0d4e255d467bd4ee290042c89c4b454e

SHA512
5e934f6ca071425e79bf6495e204c613adb30aa6785adc4d5896c90015b2e93b4ce2b62867105201a07cfb7f1a8190aceade535d643a2d283db5534c24248221

Download Submit
\Users\Admin\AppData\Local\Fjrh\VERSION.dll
Filesize
970KB

MD5
87a935f379e06f1f5ee419ebcc3d62af

SHA1
fc578491744a2a560cdf648019d8bf2be57d8d67

SHA256
fbdb82aa505b01bd916c800a666da166516cb1116cd89cba42cfa32ad3398f38

SHA512
91b7f5202c7c5415ef8941e53321ebea87b1f518545677fe56da7f2384307b41bbdd0e68d3655abeb6e71382fa12ff8ce96a00a4be0469040fbf6f0ff49c293b

Download Submit
\Users\Admin\AppData\Local\Fjrh\iexpress.exe
Filesize
163KB

MD5
46fd16f9b1924a2ea8cd5c6716cc654f

SHA1
99284bc91cf829e9602b4b95811c1d72977700b6

SHA256
9f993a1f6a133fa8375eab99bf1710471dd13ef177ef713acf8921fb4ff565a3

SHA512
52c91043f514f3f8ce07f8e60357786eb7236fcf6cdcccca0dd76000b9a23d6b138cebcdec53b01823cb2313ec850fc7bece326ec01d44ed33f4052b789b7629

Download Submit
\Users\Admin\AppData\Local\tkdfz23n4\VERSION.dll
Filesize
970KB

MD5
3f21e93c9d84164de12f575c4d037543

SHA1
a5505604beac6cdfd3f467b03bcfaf56ce2ea0e5

SHA256
d89ca878bd32da341716b3a6ec98fbb725f510ba6f886aa3fb809ad7a4a414c0

SHA512
93dca310b8e7020680b59dccb5edd1768a882ccfbc9697cb00a02454276da377827f2426df3066cdc65a60b14af4f2127134a3f8c504c1a601e88e841ea0495d

Download Submit
\Users\Admin\AppData\Local\tkdfz23n4\mspaint.exe
Filesize
6.4MB

MD5
458f4590f80563eb2a0a72709bfc2bd9

SHA1
3f97dc3bd1467c710c6a8d26b97bb6cf47deb4c6

SHA256
ff923c051ae380bf30d749ebe9cf310ccab6572d84eb81b76fb1012bcbdf557f

SHA512
e34500658dbe105a704fff6988b75d13aa9931adfd585b8ce1f023c61abd573d58067ee1f43e80076729ba99c9a00c17eb8cfcfac9c3d271d76bd251ccab1681

Download Submit
\Users\Admin\AppData\Roaming\Macromedia\Flash Player\macromedia.com\2K9uy\iexpress.exe
Filesize
163KB

MD5
46fd16f9b1924a2ea8cd5c6716cc654f

SHA1
99284bc91cf829e9602b4b95811c1d72977700b6

SHA256
9f993a1f6a133fa8375eab99bf1710471dd13ef177ef713acf8921fb4ff565a3

SHA512
52c91043f514f3f8ce07f8e60357786eb7236fcf6cdcccca0dd76000b9a23d6b138cebcdec53b01823cb2313ec850fc7bece326ec01d44ed33f4052b789b7629

Download Submit
memory/1048-54-0x0000000140000000-0x00000001400FA000-memory.dmp

Filesize
1000KB

Download
memory/1048-58-0x0000000000290000-0x0000000000297000-memory.dmp

Filesize
28KB

Download
memory/1232-64-0x0000000140000000-0x00000001400FA000-memory.dmp

Filesize
1000KB

Download
memory/1232-79-0x0000000001DD0000-0x0000000001DD7000-memory.dmp

Filesize
28KB

Download
memory/1232-60-0x0000000140000000-0x00000001400FA000-memory.dmp

Filesize
1000KB

Download
memory/1232-80-0x00000000779A0000-0x00000000779A2000-memory.dmp

Filesize
8KB

Download
memory/1232-66-0x0000000140000000-0x00000001400FA000-memory.dmp

Filesize
1000KB

Download
memory/1232-65-0x0000000140000000-0x00000001400FA000-memory.dmp

Filesize
1000KB

Download
memory/1232-63-0x0000000140000000-0x00000001400FA000-memory.dmp

Filesize
1000KB

Download
memory/1232-62-0x0000000140000000-0x00000001400FA000-memory.dmp

Filesize
1000KB

Download
memory/1232-59-0x00000000029E0000-0x00000000029E1000-memory.dmp

Filesize
4KB

Download
memory/1232-61-0x0000000140000000-0x00000001400FA000-memory.dmp

Filesize
1000KB

Download
memory/1232-67-0x0000000140000000-0x00000001400FA000-memory.dmp

Filesize
1000KB

Download
memory/1232-68-0x0000000140000000-0x00000001400FA000-memory.dmp

Filesize
1000KB

Download
memory/1232-70-0x0000000140000000-0x00000001400FA000-memory.dmp

Filesize
1000KB

Download
memory/1232-69-0x0000000140000000-0x00000001400FA000-memory.dmp

Filesize
1000KB

Download
memory/1272-84-0x000007FEFC041000-0x000007FEFC043000-memory.dmp

Filesize
8KB

Download
memory/1272-91-0x0000000000190000-0x0000000000197000-memory.dmp

Filesize
28KB

Download
memory/1272-87-0x0000000140000000-0x00000001400FB000-memory.dmp

Filesize
1004KB

Download
memory/1272-82-0x0000000000000000-mapping.dmp

Download
memory/1440-101-0x0000000000170000-0x0000000000177000-memory.dmp

Filesize
28KB

Download
memory/1440-93-0x0000000000000000-mapping.dmp

Download
memory/1660-103-0x0000000000000000-mapping.dmp

Download
memory/1660-111-0x0000000000270000-0x0000000000277000-memory.dmp

Filesize
28KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads